Merge pull request #2 from tom5079/development

Pupil v1.3

app/build.gradle

@@ -9,8 +9,8 @@ android {
         applicationId "xyz.quaver.pupil"
         minSdkVersion 16
         targetSdkVersion 28
-        versionCode 3
-        versionName "1.2"
+        versionCode 4
+        versionName "1.3"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
@@ -40,6 +40,7 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.0.2'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
     implementation "ru.noties.markwon:core:${markwonVersion}"
+    implementation 'com.shawnlin:number-picker:2.4.8'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test.ext:junit:1.1.0'
     androidTestImplementation 'androidx.test:runner:1.1.1'

app/src/androidTest/java/xyz/quaver/pupil/ExampleInstrumentedTest.kt

@@ -4,16 +4,10 @@ import android.graphics.BitmapFactory
 import android.util.Log
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.platform.app.InstrumentationRegistry
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.runBlocking
 import org.junit.Assert.assertEquals
 import org.junit.Test
 import org.junit.runner.RunWith
-import xyz.quaver.hiyobi.getReader
 import java.io.File
-import java.util.*
 
 /**
  * Instrumented test, which will execute on an Android device.

app/src/main/AndroidManifest.xml

@@ -3,8 +3,6 @@
     package="xyz.quaver.pupil">
 
     <uses-permission android:name="android.permission.INTERNET" />
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
-    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES"/>
 
     <application
         android:allowBackup="true"
@@ -25,7 +23,7 @@
                 android:resource="@xml/filepaths"/>
         </provider>
 
-        <activity android:name=".GalleryActivity"
+        <activity android:name=".ReaderActivity"
                   android:configChanges="keyboardHidden|orientation|screenSize"/>
         <activity
             android:name=".SettingsActivity"

app/src/main/java/xyz/quaver/pupil/GalleryActivity.kt

@@ -1,155 +0,0 @@
-package xyz.quaver.pupil
-
-import android.os.Bundle
-import android.util.Log
-import android.view.View
-import android.view.WindowManager
-import androidx.appcompat.app.AppCompatActivity
-import androidx.preference.PreferenceManager
-import kotlinx.android.synthetic.main.activity_gallery.*
-import kotlinx.coroutines.*
-import xyz.quaver.hitomi.Reader
-import xyz.quaver.hitomi.getReader
-import xyz.quaver.hitomi.getReferer
-import xyz.quaver.pupil.adapters.GalleryAdapter
-import java.io.File
-import java.io.FileOutputStream
-import java.net.URL
-import javax.net.ssl.HttpsURLConnection
-
-class GalleryActivity : AppCompatActivity() {
-
-    private val images = ArrayList<String>()
-    private var galleryID = 0
-    private lateinit var reader: Deferred<Reader>
-    private var loadJob: Job? = null
-    private var screenMode = 0
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        window.setFlags(
-            WindowManager.LayoutParams.FLAG_SECURE,
-            WindowManager.LayoutParams.FLAG_SECURE)
-
-        setContentView(R.layout.activity_gallery)
-
-        supportActionBar?.title = intent.getStringExtra("GALLERY_TITLE")
-
-        galleryID = intent.getIntExtra("GALLERY_ID", 0)
-        CoroutineScope(Dispatchers.Unconfined).launch {
-            reader = async(Dispatchers.IO) {
-                val preference = PreferenceManager.getDefaultSharedPreferences(this@GalleryActivity)
-                if (preference.getBoolean("use_hiyobi", false)) {
-                    try {
-                        xyz.quaver.hiyobi.getReader(galleryID)
-                        Log.d("Pupil", "Using Hiyobi.me")
-                    } catch (e: Exception) {
-                        getReader(galleryID)
-                    }
-                }
-                getReader(galleryID)
-            }
-        }
-
-        initView()
-        loadImages()
-    }
-
-    override fun onResume() {
-        val preferences = android.preference.PreferenceManager.getDefaultSharedPreferences(this)
-
-        if (preferences.getBoolean("security_mode", false))
-            window.setFlags(
-                WindowManager.LayoutParams.FLAG_SECURE,
-                WindowManager.LayoutParams.FLAG_SECURE)
-        else
-            window.clearFlags(WindowManager.LayoutParams.FLAG_SECURE)
-        super.onResume()
-    }
-
-    override fun onDestroy() {
-        super.onDestroy()
-        loadJob?.cancel()
-    }
-
-    private fun initView() {
-        gallery_recyclerview.adapter = GalleryAdapter(images).apply {
-            setOnClick {
-                val attrs = window.attributes
-
-                screenMode = (screenMode+1)%2
-
-                when(screenMode) {
-                    0 -> {
-                        attrs.flags = attrs.flags and WindowManager.LayoutParams.FLAG_FULLSCREEN.inv()
-                        supportActionBar?.show()
-                    }
-                    1 -> {
-                        attrs.flags = attrs.flags or WindowManager.LayoutParams.FLAG_FULLSCREEN
-                        supportActionBar?.hide()
-                    }
-                }
-                window.attributes = attrs
-            }
-        }
-    }
-
-    private fun loadImages() {
-
-        fun webpUrlFromUrl(url: URL) = URL(url.toString().replace("/galleries/", "/webp/") + ".webp")
-
-        loadJob = CoroutineScope(Dispatchers.Default).launch {
-            val reader = reader.await()
-
-            launch(Dispatchers.Main) {
-                with(gallery_progressbar) {
-                    max = reader.size
-                    progress = 0
-
-                    visibility = View.VISIBLE
-                }
-            }
-
-            reader.chunked(8).forEach { chunked ->
-                chunked.map {
-                    async(Dispatchers.IO) {
-                        val url = if (it.second?.haswebp == 1) webpUrlFromUrl(it.first) else it.first
-
-                        val fileName: String
-
-                        with(url.path) {
-                            fileName = substring(lastIndexOf('/')+1)
-                        }
-
-                        val cache = File(cacheDir, "/imageCache/$galleryID/$fileName")
-
-                        if (!cache.exists())
-                            with(url.openConnection() as HttpsURLConnection) {
-                                setRequestProperty("Referer", getReferer(galleryID))
-
-                                if (!cache.parentFile.exists())
-                                    cache.parentFile.mkdirs()
-
-                                inputStream.copyTo(FileOutputStream(cache))
-                            }
-
-                        cache.absolutePath
-                    }
-                }.forEach {
-                    val cache = it.await()
-
-                    launch(Dispatchers.Main) {
-                        images.add(cache)
-                        gallery_recyclerview.adapter?.notifyItemInserted(images.size - 1)
-                        gallery_progressbar.progress++
-                    }
-                }
-            }
-
-            launch(Dispatchers.Main) {
-                gallery_progressbar.visibility = View.GONE
-            }
-        }
-    }
-}

app/src/main/java/xyz/quaver/pupil/MainActivity.kt

@@ -1,31 +1,15 @@
 package xyz.quaver.pupil
 
-import android.Manifest
-import android.app.DownloadManager
-import android.content.BroadcastReceiver
-import android.content.Context
 import android.content.Intent
-import android.content.IntentFilter
-import android.content.pm.PackageManager
-import android.graphics.Bitmap
-import android.graphics.BitmapFactory
 import android.net.Uri
-import android.os.Build
 import android.os.Bundle
-import android.os.Environment
 import android.preference.PreferenceManager
 import android.text.*
 import android.text.style.AlignmentSpan
-import android.util.Log
 import android.view.View
 import android.view.WindowManager
-import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
-import androidx.core.app.ActivityCompat
-import androidx.core.app.NotificationCompat
-import androidx.core.content.ContextCompat
-import androidx.core.content.FileProvider
 import androidx.core.content.res.ResourcesCompat
 import androidx.core.view.GravityCompat
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -44,19 +28,18 @@ import xyz.quaver.hitomi.*
 import xyz.quaver.pupil.adapters.GalleryBlockAdapter
 import xyz.quaver.pupil.types.TagSuggestion
 import xyz.quaver.pupil.util.Histories
+import xyz.quaver.pupil.util.ItemClickSupport
 import xyz.quaver.pupil.util.SetLineOverlap
 import xyz.quaver.pupil.util.checkUpdate
-import xyz.quaver.pupil.util.getApkUrl
 import java.io.File
-import java.lang.StringBuilder
+import java.io.FileOutputStream
 import java.util.*
 import javax.net.ssl.HttpsURLConnection
 import kotlin.collections.ArrayList
 
 class MainActivity : AppCompatActivity() {
 
-    private val permissionRequestCode = 4585
-    private val galleries = ArrayList<Pair<GalleryBlock, Bitmap?>>()
+    private val galleries = ArrayList<Pair<GalleryBlock, Deferred<String>>>()
 
     private var query = ""
 
@@ -67,9 +50,12 @@ class MainActivity : AppCompatActivity() {
         Histories.default = Histories(File(cacheDir, "histories.json"))
         super.onCreate(savedInstanceState)
 
-        setContentView(R.layout.activity_main)
+        window.setFlags(
+            WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,
+            WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
+        )
 
-        checkPermission()
+        setContentView(R.layout.activity_main)
 
         checkUpdate()
 
@@ -81,7 +67,11 @@ class MainActivity : AppCompatActivity() {
         )
 
         with(main_swipe_layout) {
-            setProgressViewOffset(false, 0, resources.getDimensionPixelSize(R.dimen.progress_view_offset))
+            setProgressViewOffset(
+                false,
+                resources.getDimensionPixelSize(R.dimen.progress_view_start),
+                resources.getDimensionPixelSize(R.dimen.progress_view_offset)
+            )
 
             setOnRefreshListener {
                 CoroutineScope(Dispatchers.Main).launch {
@@ -97,17 +87,36 @@ class MainActivity : AppCompatActivity() {
             CoroutineScope(Dispatchers.Main).launch {
                 main_drawer_layout.closeDrawers()
 
-                cancelFetch()
-                clearGalleries()
                 when(it.itemId) {
                     R.id.main_drawer_home -> {
+                        cancelFetch()
+                        clearGalleries()
                         query = query.replace("HISTORY", "")
                         fetchGalleries(query)
                     }
                     R.id.main_drawer_history -> {
+                        cancelFetch()
+                        clearGalleries()
                         query += "HISTORY"
                         fetchGalleries(query)
                     }
+                    R.id.main_drawer_help -> {
+                        AlertDialog.Builder(this@MainActivity).apply {
+                            title = getString(R.string.help_dialog_title)
+                            setMessage(R.string.help_dialog_message)
+
+                            setPositiveButton(android.R.string.ok) { _, _ -> }
+                        }.show()
+                    }
+                    R.id.main_drawer_github -> {
+                        startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.github))))
+                    }
+                    R.id.main_drawer_homepage -> {
+                        startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.home_page))))
+                    }
+                    R.id.main_drawer_email -> {
+                        startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.email))))
+                    }
                 }
                 loadBlocks()
             }
@@ -140,23 +149,6 @@ class MainActivity : AppCompatActivity() {
         super.onResume()
     }
 
-    private fun checkPermission() {
-        val permissions = arrayOf(
-            Manifest.permission.WRITE_EXTERNAL_STORAGE
-        )
-
-        if (permissions.any { ContextCompat.checkSelfPermission(this, it) != PackageManager.PERMISSION_GRANTED }) {
-            if (permissions.any { ActivityCompat.shouldShowRequestPermissionRationale(this, it) })
-                AlertDialog.Builder(this).apply {
-                    setTitle(R.string.warning)
-                    setMessage(R.string.permission_explain)
-                    setPositiveButton(android.R.string.ok) { _, _ -> }
-                }.show()
-            else
-                ActivityCompat.requestPermissions(this, permissions, permissionRequestCode)
-        }
-    }
-
     private fun checkUpdate() {
 
         fun extractReleaseNote(update: JsonObject, locale: String) : String {
@@ -177,7 +169,7 @@ class MainActivity : AppCompatActivity() {
 
             val result = StringBuilder()
 
-            for(line in markdown.split('\n')) {
+            for(line in markdown.lines()) {
                 if (releaseNote.matches(line)) {
                     releaseNoteFlag = true
                     continue
@@ -201,57 +193,16 @@ class MainActivity : AppCompatActivity() {
             return getString(R.string.update_release_note, update["tag_name"]?.content, result.toString())
         }
 
-        if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED)
-            return
-
         CoroutineScope(Dispatchers.Default).launch {
             val update =
                 checkUpdate(getString(R.string.release_url), BuildConfig.VERSION_NAME) ?: return@launch
 
-            val (url, fileName) = getApkUrl(update, getString(R.string.release_name)) ?: return@launch
-
             val dialog = AlertDialog.Builder(this@MainActivity).apply {
                 setTitle(R.string.update_title)
                 val msg = extractReleaseNote(update, Locale.getDefault().language)
                 setMessage(Markwon.create(context).toMarkdown(msg))
                 setPositiveButton(android.R.string.yes) { _, _ ->
-                    Toast.makeText(
-                        context, getString(R.string.update_download_started), Toast.LENGTH_SHORT
-                    ).show()
-
-                    val dest = File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS), fileName)
-                    val desturi =
-                        FileProvider.getUriForFile(
-                            applicationContext,
-                            "xyz.quaver.pupil.provider",
-                            dest
-                        )
-
-                    if (dest.exists())
-                        dest.delete()
-
-                    val request = DownloadManager.Request(Uri.parse(url)).apply {
-                        setDescription(getString(R.string.update_notification_description))
-                        setTitle(getString(R.string.app_name))
-                        setDestinationUri(Uri.fromFile(dest))
-                        setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE)
-                    }
-
-                    val manager = getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager
-                    val id = manager.enqueue(request)
-
-                    registerReceiver(object: BroadcastReceiver() {
-                        override fun onReceive(context: Context?, intent: Intent?) {
-                            val install = Intent(Intent.ACTION_VIEW).apply {
-                                flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_GRANT_READ_URI_PERMISSION
-                                setDataAndType(desturi, manager.getMimeTypeForDownloadedFile(id))
-                            }
-
-                            startActivity(install)
-                            unregisterReceiver(this)
-                            finish()
-                        }
-                    }, IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE))
+                    startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(getString(R.string.home_page))))
                 }
                 setNegativeButton(android.R.string.no) { _, _ ->}
             }
@@ -264,18 +215,7 @@ class MainActivity : AppCompatActivity() {
 
     private fun setupRecyclerView() {
         with(main_recyclerview) {
-            adapter = GalleryBlockAdapter(galleries).apply {
-                setClickListener { galleryID, title ->
-                    val intent = Intent(this@MainActivity, GalleryActivity::class.java)
-                    intent.putExtra("GALLERY_ID", galleryID)
-                    intent.putExtra("GALLERY_TITLE", title)
-
-                    //TODO: Maybe sprinke some transitions will be nice :D
-                    startActivity(intent)
-
-                    Histories.default.add(galleryID)
-                }
-            }
+            adapter = GalleryBlockAdapter(galleries)
             addOnScrollListener(
                 object: RecyclerView.OnScrollListener() {
                     override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
@@ -289,6 +229,17 @@ class MainActivity : AppCompatActivity() {
                     }
                 }
             )
+            ItemClickSupport.addTo(this).setOnItemClickListener { _, position, _ ->
+                val intent = Intent(this@MainActivity, ReaderActivity::class.java)
+                val gallery = galleries[position].first
+                intent.putExtra("GALLERY_ID", gallery.id)
+                intent.putExtra("GALLERY_TITLE", gallery.title)
+
+                //TODO: Maybe sprinke some transitions will be nice :D
+                startActivity(intent)
+
+                Histories.default.add(gallery.id)
+            }
         }
     }
 
@@ -402,9 +353,11 @@ class MainActivity : AppCompatActivity() {
                     if (query != this@MainActivity.query) {
                         this@MainActivity.query = query
 
-                        cancelFetch()
-                        clearGalleries()
-                        fetchGalleries(query)
+                        CoroutineScope(Dispatchers.Main).launch {
+                            cancelFetch()
+                            clearGalleries()
+                            fetchGalleries(query)
+                        }
                     }
                 }
             })
@@ -481,29 +434,43 @@ class MainActivity : AppCompatActivity() {
                     galleryIDs
                 else ->
                     galleryIDs.slice(galleries.size until Math.min(galleries.size+perPage, galleryIDs.size))
-            }.chunked(4).forEach { chunked ->
-                chunked.map {
-                    async {
-                        val galleryBlock = getGalleryBlock(it)
-                        val thumbnail: Bitmap
+            }.chunked(4).let { chunks ->
+                for (chunk in chunks)
+                    chunk.map {
+                        async {
+                            try {
+                                val galleryBlock = getGalleryBlock(it)
 
-                        with(galleryBlock.thumbnails[0].openConnection() as HttpsURLConnection) {
-                            thumbnail = BitmapFactory.decodeStream(inputStream)
+                                val thumbnail = async {
+                                    val cache = File(cacheDir, "imageCache/$it/thumbnail.${galleryBlock.thumbnails[0].path.split('.').last()}")
+
+                                    if (!cache.exists())
+                                        with(galleryBlock.thumbnails[0].openConnection() as HttpsURLConnection) {
+                                            if (!cache.parentFile.exists())
+                                                cache.parentFile.mkdirs()
+
+                                            inputStream.copyTo(FileOutputStream(cache))
+                                        }
+
+                                    cache.absolutePath
+                                }
+
+                                Pair(galleryBlock, thumbnail)
+                            } catch (e: Exception) {
+                                null
+                            }
                         }
+                    }.forEach {
+                        val galleryBlock = it.await() ?: return@forEach
 
-                        Pair(galleryBlock, thumbnail)
-                    }
-                }.forEach {
-                    val galleryBlock = it.await()
+                        withContext(Dispatchers.Main) {
+                            main_progressbar.hide()
 
-                    withContext(Dispatchers.Main) {
-                        main_progressbar.hide()
-
-                        galleries.add(galleryBlock)
-                        main_recyclerview.adapter?.notifyItemInserted(galleries.size - 1)
+                            galleries.add(galleryBlock)
+                            main_recyclerview.adapter?.notifyItemInserted(galleries.size - 1)
+                        }
                     }
                 }
-            }
         }
     }
 }

app/src/main/java/xyz/quaver/pupil/ReaderActivity.kt

@@ -0,0 +1,254 @@
+package xyz.quaver.pupil
+
+import android.os.Bundle
+import android.util.Log
+import android.view.*
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.preference.PreferenceManager
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.PagerSnapHelper
+import androidx.recyclerview.widget.RecyclerView
+import kotlinx.android.synthetic.main.activity_reader.*
+import kotlinx.android.synthetic.main.activity_reader.view.*
+import kotlinx.android.synthetic.main.dialog_numberpicker.view.*
+import kotlinx.coroutines.*
+import xyz.quaver.hitomi.Reader
+import xyz.quaver.hitomi.getReader
+import xyz.quaver.hitomi.getReferer
+import xyz.quaver.pupil.adapters.ReaderAdapter
+import xyz.quaver.pupil.util.ItemClickSupport
+import java.io.File
+import java.io.FileOutputStream
+import java.net.URL
+import javax.net.ssl.HttpsURLConnection
+
+class ReaderActivity : AppCompatActivity() {
+
+    private val images = ArrayList<String>()
+    private var galleryID = 0
+    private var gallerySize: Int = 0
+    private var currentPage: Int = 0
+    private lateinit var reader: Deferred<Reader>
+    private var loadJob: Job? = null
+
+    private lateinit var snapHelper: PagerSnapHelper
+
+    private var menu: Menu? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        window.setFlags(
+            WindowManager.LayoutParams.FLAG_SECURE,
+            WindowManager.LayoutParams.FLAG_SECURE)
+
+        setContentView(R.layout.activity_reader)
+
+        supportActionBar?.title = intent.getStringExtra("GALLERY_TITLE")
+
+        galleryID = intent.getIntExtra("GALLERY_ID", 0)
+        CoroutineScope(Dispatchers.Unconfined).launch {
+            reader = async(Dispatchers.IO) {
+                val preference = PreferenceManager.getDefaultSharedPreferences(this@ReaderActivity)
+                if (preference.getBoolean("use_hiyobi", false)) {
+                    try {
+                        xyz.quaver.hiyobi.getReader(galleryID)
+                    } catch (e: Exception) {
+                        getReader(galleryID)
+                    }
+                }
+                getReader(galleryID)
+            }
+        }
+
+        snapHelper = PagerSnapHelper()
+
+        val preferences = PreferenceManager.getDefaultSharedPreferences(this)
+
+        val attrs = window.attributes
+
+        if (preferences.getBoolean("reader_fullscreen", false)) {
+            attrs.flags = attrs.flags or WindowManager.LayoutParams.FLAG_FULLSCREEN
+            supportActionBar?.hide()
+        } else {
+            attrs.flags = attrs.flags and WindowManager.LayoutParams.FLAG_FULLSCREEN.inv()
+            supportActionBar?.show()
+        }
+
+        window.attributes = attrs
+
+        if (preferences.getBoolean("reader_one_by_one", false)) {
+            snapHelper.attachToRecyclerView(reader_recyclerview)
+            reader_recyclerview.layoutManager = LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false)
+        } else {
+            snapHelper.attachToRecyclerView(null)
+            reader_recyclerview.layoutManager = LinearLayoutManager(this)
+        }
+
+        initView()
+        loadImages()
+    }
+
+    override fun onResume() {
+        val preferences = PreferenceManager.getDefaultSharedPreferences(this)
+
+        if (preferences.getBoolean("security_mode", false))
+            window.setFlags(
+                WindowManager.LayoutParams.FLAG_SECURE,
+                WindowManager.LayoutParams.FLAG_SECURE)
+        else
+            window.clearFlags(WindowManager.LayoutParams.FLAG_SECURE)
+
+        super.onResume()
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+        menuInflater.inflate(R.menu.reader, menu)
+        this.menu = menu
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem?): Boolean {
+        when(item?.itemId) {
+            R.id.reader_menu_page_indicator -> {
+                val view = LayoutInflater.from(this).inflate(R.layout.dialog_numberpicker, findViewById(android.R.id.content), false)
+                with(view.reader_dialog_number_picker) {
+                    minValue=1
+                    maxValue=gallerySize
+                    value=currentPage
+                }
+                val dialog = AlertDialog.Builder(this).apply {
+                    setView(view)
+                }.create()
+                view.reader_dialog_ok.setOnClickListener {
+                    (reader_recyclerview.layoutManager as LinearLayoutManager?)?.scrollToPositionWithOffset(view.reader_dialog_number_picker.value-1, 0)
+                    dialog.dismiss()
+                }
+
+                dialog.show()
+            }
+        }
+
+        return true
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        loadJob?.cancel()
+    }
+
+    private fun initView() {
+        with(reader_recyclerview) {
+            adapter = ReaderAdapter(images)
+
+            addOnScrollListener(object: RecyclerView.OnScrollListener() {
+                override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+                    super.onScrolled(recyclerView, dx, dy)
+
+                    val layoutManager = recyclerView.layoutManager as LinearLayoutManager
+
+                    if (layoutManager.findFirstVisibleItemPosition() == -1)
+                        return
+                    currentPage = layoutManager.findFirstVisibleItemPosition()+1
+                    menu?.findItem(R.id.reader_menu_page_indicator)?.title = "$currentPage/$gallerySize"
+                }
+            })
+
+            val preferences = PreferenceManager.getDefaultSharedPreferences(context)
+            ItemClickSupport.addTo(this)
+                .setOnItemClickListener { _, _, _ ->
+                    val attrs = window.attributes
+                    val fullscreen = preferences.getBoolean("reader_fullscreen", false)
+
+                    if (fullscreen) {
+                        attrs.flags = attrs.flags and WindowManager.LayoutParams.FLAG_FULLSCREEN.inv()
+                        supportActionBar?.show()
+                    } else {
+                        attrs.flags = attrs.flags or WindowManager.LayoutParams.FLAG_FULLSCREEN
+                        supportActionBar?.hide()
+                    }
+
+                    window.attributes = attrs
+
+                    preferences.edit().putBoolean("reader_fullscreen", !fullscreen).apply()
+                }.setOnItemLongClickListener { _, _, _ ->
+                    val oneByOne = preferences.getBoolean("reader_one_by_one", false)
+                    if (oneByOne) {
+                        snapHelper.attachToRecyclerView(null)
+                        reader_recyclerview.layoutManager = LinearLayoutManager(context)
+                    }
+                    else {
+                        snapHelper.attachToRecyclerView(reader_recyclerview)
+                        reader_recyclerview.layoutManager = LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL, false)
+                    }
+
+                    (reader_recyclerview.layoutManager as LinearLayoutManager).scrollToPositionWithOffset(currentPage-1, 0)
+
+                    preferences.edit().putBoolean("reader_one_by_one", !oneByOne).apply()
+
+                    true
+                }
+        }
+    }
+
+    private fun loadImages() {
+        fun webpUrlFromUrl(url: URL) = URL(url.toString().replace("/galleries/", "/webp/") + ".webp")
+
+        loadJob = CoroutineScope(Dispatchers.Default).launch {
+            val reader = reader.await()
+
+            launch(Dispatchers.Main) {
+                with(reader_progressbar) {
+                    max = reader.size
+                    progress = 0
+
+                    visibility = View.VISIBLE
+                }
+
+                gallerySize = reader.size
+                menu?.findItem(R.id.reader_menu_page_indicator)?.title = "$currentPage/$gallerySize"
+            }
+
+            reader.chunked(8).forEach { chunked ->
+                chunked.map {
+                    async(Dispatchers.IO) {
+                        val url = if (it.second?.haswebp == 1) webpUrlFromUrl(it.first) else it.first
+
+                        val fileName: String
+
+                        with(url.path) {
+                            fileName = substring(lastIndexOf('/')+1)
+                        }
+
+                        val cache = File(cacheDir, "/imageCache/$galleryID/$fileName")
+
+                        if (!cache.exists())
+                            with(url.openConnection() as HttpsURLConnection) {
+                                setRequestProperty("Referer", getReferer(galleryID))
+
+                                if (!cache.parentFile.exists())
+                                    cache.parentFile.mkdirs()
+
+                                inputStream.copyTo(FileOutputStream(cache))
+                            }
+
+                        cache.absolutePath
+                    }
+                }.forEach {
+                    val cache = it.await()
+
+                    launch(Dispatchers.Main) {
+                        images.add(cache)
+                        reader_recyclerview.adapter?.notifyItemInserted(images.size - 1)
+                        reader_progressbar.progress++
+                    }
+                }
+            }
+
+            launch(Dispatchers.Main) {
+                reader_progressbar.visibility = View.GONE
+            }
+        }
+    }
+}

app/src/main/java/xyz/quaver/pupil/SettingsActivity.kt

@@ -2,12 +2,22 @@ package xyz.quaver.pupil
 
 import android.os.Bundle
 import android.preference.PreferenceManager
+import android.text.Editable
+import android.text.TextWatcher
+import android.view.LayoutInflater
 import android.view.MenuItem
+import android.view.View
 import android.view.WindowManager
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.TextView
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
 import androidx.preference.Preference
 import androidx.preference.PreferenceFragmentCompat
+import kotlinx.android.synthetic.main.dialog_default_query.*
+import kotlinx.android.synthetic.main.dialog_default_query.view.*
+import xyz.quaver.pupil.types.Tags
 import xyz.quaver.pupil.util.Histories
 import java.io.File
 
@@ -109,6 +119,120 @@ class SettingsActivity : AppCompatActivity() {
                     true
                 }
             }
+
+            with(findPreference<Preference>("default_query")) {
+                this ?: return@with
+
+                val preferences = PreferenceManager.getDefaultSharedPreferences(context)
+
+                summary = preferences.getString("default_query", "") ?: ""
+
+                val languages = resources.getStringArray(R.array.languages).map {
+                    it.split("|").let { split ->
+                        Pair(split[0], split[1])
+                    }
+                }.toMap()
+                val reverseLanguages = languages.entries.associate { (k, v) -> v to k }
+
+                val excludeBL = "-male:yaoi"
+                val excludeGuro = listOf("-female:guro", "-male:guro")
+
+                setOnPreferenceClickListener {
+                    val dialogView = LayoutInflater.from(context).inflate(
+                        R.layout.dialog_default_query,
+                        null
+                    )
+
+                    val tags = Tags.parse(
+                        preferences.getString("default_query", "") ?: ""
+                    )
+
+                    summary = tags.toString()
+
+                    with(dialogView.default_query_dialog_language_selector) {
+                        adapter =
+                            ArrayAdapter<String>(
+                                context,
+                                android.R.layout.simple_spinner_dropdown_item,
+                                arrayListOf(
+                                    getString(R.string.default_query_dialog_language_selector_none)
+                                ).apply {
+                                    addAll(languages.values)
+                                }
+                            )
+                        if (tags.any { it.area == "language" }) {
+                            val tag = languages[tags.first { it.area == "language" }.tag]
+                            if (tag != null) {
+                                setSelection(
+                                    (adapter as ArrayAdapter<String>).getPosition(tag)
+                                )
+                                tags.removeByArea("language")
+                            }
+                        }
+                    }
+
+                    with(dialogView.default_query_dialog_BL_checkbox) {
+                        isChecked = tags.contains(excludeBL)
+                        if (tags.contains(excludeBL))
+                            tags.remove(excludeBL)
+                    }
+
+                    with(dialogView.default_query_dialog_guro_checkbox) {
+                        isChecked = excludeGuro.all { tags.contains(it) }
+                        if (excludeGuro.all { tags.contains(it) })
+                            excludeGuro.forEach {
+                                tags.remove(it)
+                            }
+                    }
+
+                    with(dialogView.default_query_dialog_edittext) {
+                        setText(tags.toString(), TextView.BufferType.EDITABLE)
+                        addTextChangedListener(object : TextWatcher {
+                            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}
+
+                            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
+
+                            override fun afterTextChanged(s: Editable?) {
+                                s ?: return
+
+                                if (s.any { it.isUpperCase() })
+                                    s.replace(0, s.length, s.toString().toLowerCase())
+                            }
+                        })
+                    }
+
+                    val dialog = AlertDialog.Builder(context!!).apply {
+                        setView(dialogView)
+                    }.create()
+
+                    dialogView.default_query_dialog_ok.setOnClickListener {
+                        val newTags = Tags.parse(dialogView.default_query_dialog_edittext.text.toString())
+
+                        with(dialogView.default_query_dialog_language_selector) {
+                            if (selectedItemPosition != 0)
+                                newTags.add("language:${reverseLanguages[selectedItem]}")
+                        }
+
+                        if (dialogView.default_query_dialog_BL_checkbox.isChecked)
+                            newTags.add(excludeBL)
+
+                        if (dialogView.default_query_dialog_guro_checkbox.isChecked)
+                            excludeGuro.forEach { tag ->
+                                newTags.add(tag)
+                            }
+
+                        preferenceManager.sharedPreferences.edit().putString("default_query", newTags.toString()).apply()
+                        summary = preferences.getString("default_query", "") ?: ""
+                        tags.clear()
+                        tags.addAll(newTags)
+                        dialog.dismiss()
+                    }
+
+                    dialog.show()
+
+                    true
+                }
+            }
         }
     }
 

app/src/main/java/xyz/quaver/pupil/adapters/GalleryBlockAdapter.kt

@@ -1,18 +1,21 @@
 package xyz.quaver.pupil.adapters
 
-import android.graphics.Bitmap
+import android.graphics.BitmapFactory
 import android.view.LayoutInflater
+import android.view.View
 import android.view.ViewGroup
 import android.widget.LinearLayout
 import androidx.cardview.widget.CardView
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.chip.Chip
 import kotlinx.android.synthetic.main.item_galleryblock.view.*
+import kotlinx.coroutines.*
 import xyz.quaver.hitomi.GalleryBlock
 import xyz.quaver.hitomi.toTag
 import xyz.quaver.pupil.R
+import java.io.File
 
-class GalleryBlockAdapter(private val galleries: List<Pair<GalleryBlock, Bitmap?>>) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
+class GalleryBlockAdapter(private val galleries: List<Pair<GalleryBlock, Deferred<String>>>) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
 
     private enum class ViewType {
         VIEW_ITEM,
@@ -33,11 +36,6 @@ class GalleryBlockAdapter(private val galleries: List<Pair<GalleryBlock, Bitmap?
     class ViewHolder(val view: CardView) : RecyclerView.ViewHolder(view)
     class ProgressViewHolder(view: LinearLayout) : RecyclerView.ViewHolder(view)
 
-    private var callback: ((Int, String) -> Unit)? = null
-    fun setClickListener(callback: ((Int, String) -> Unit)?) {
-        this.callback = callback
-    }
-
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
         when(viewType) {
             ViewType.VIEW_ITEM.ordinal -> {
@@ -70,21 +68,43 @@ class GalleryBlockAdapter(private val galleries: List<Pair<GalleryBlock, Bitmap?
                 }.toMap()
                 val (gallery, thumbnail) = galleries[position]
 
-                val artists = gallery.artists.ifEmpty { listOf("N/A") }
-                val series = gallery.series.ifEmpty { listOf("N/A") }
+                val artists = gallery.artists
+                val series = gallery.series
 
-                setOnClickListener {
-                    callback?.invoke(gallery.id, gallery.title)
+                CoroutineScope(Dispatchers.Default).launch {
+                    val bitmap = BitmapFactory.decodeFile(thumbnail.await())
+
+                    CoroutineScope(Dispatchers.Main).launch {
+                        galleryblock_thumbnail.setImageBitmap(bitmap)
+                    }
                 }
-
-                galleryblock_thumbnail.setImageBitmap(thumbnail)
                 galleryblock_title.text = gallery.title
-                galleryblock_artist.text = artists.joinToString(", ") { it.wordCapitalize() }
-                galleryblock_series.text =
-                    resources.getString(R.string.galleryblock_series, series.joinToString(", ") { it.wordCapitalize() })
+                with(galleryblock_artist) {
+                    text = artists.joinToString(", ") { it.wordCapitalize() }
+                    visibility = when {
+                        artists.isNotEmpty() -> View.VISIBLE
+                        else -> View.GONE
+                    }
+                }
+                with(galleryblock_series) {
+                    text =
+                        resources.getString(
+                            R.string.galleryblock_series,
+                            series.joinToString(", ") { it.wordCapitalize() })
+                    visibility = when {
+                        series.isNotEmpty() -> View.VISIBLE
+                        else -> View.GONE
+                    }
+                }
                 galleryblock_type.text = resources.getString(R.string.galleryblock_type, gallery.type).wordCapitalize()
-                galleryblock_language.text =
-                    resources.getString(R.string.galleryblock_language, languages[gallery.language])
+                with(galleryblock_language) {
+                    text =
+                        resources.getString(R.string.galleryblock_language, languages[gallery.language])
+                    visibility = when {
+                        gallery.language.isNotEmpty() -> View.VISIBLE
+                        else -> View.GONE
+                    }
+                }
 
                 galleryblock_tag_group.removeAllViews()
                 gallery.relatedTags.forEach {

app/src/main/java/xyz/quaver/pupil/adapters/ReaderAdapter.kt

@@ -1,39 +1,31 @@
 package xyz.quaver.pupil.adapters
 
 import android.graphics.BitmapFactory
-import android.util.Log
 import android.view.LayoutInflater
+import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
 import androidx.recyclerview.widget.RecyclerView
+import kotlinx.android.synthetic.main.item_reader.view.*
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import xyz.quaver.pupil.R
 
-class GalleryAdapter(private val images: List<String>) : RecyclerView.Adapter<GalleryAdapter.ViewHolder>() {
+class ReaderAdapter(private val images: List<String>) : RecyclerView.Adapter<ReaderAdapter.ViewHolder>() {
 
-    class ViewHolder(val view: ImageView) : RecyclerView.ViewHolder(view)
-
-    private var onClick: (() -> Unit)? = null
-    fun setOnClick(callback: (() -> Unit)?) {
-        this.onClick = callback
-    }
+    class ViewHolder(val view: View) : RecyclerView.ViewHolder(view)
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
         LayoutInflater.from(parent.context).inflate(
-            R.layout.item_gallery, parent, false
+            R.layout.item_reader, parent, false
         ).let {
-            return ViewHolder(it as ImageView)
+            return ViewHolder(it)
         }
     }
 
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-        with(holder.view) {
-            setOnClickListener {
-                onClick?.invoke()
-            }
-
+        with(holder.view as ImageView) {
             CoroutineScope(Dispatchers.Default).launch {
                 val options = BitmapFactory.Options()
 

app/src/main/java/xyz/quaver/pupil/types/Tags.kt

@@ -0,0 +1,96 @@
+package xyz.quaver.pupil.types
+
+data class Tag(val area: String?, val tag: String, val isNegative: Boolean = false) {
+    companion object {
+        fun parseTag(tag: String) : Tag {
+            if (tag.first() == '-') {
+                tag.substring(1).split(Regex(":"), 2).let {
+                    return when(it.size) {
+                        2 -> Tag(it[0], it[1], true)
+                        else -> Tag(null, tag, true)
+                    }
+                }
+            }
+            tag.split(Regex(":"), 2).let {
+                return when(it.size) {
+                    2 -> Tag(it[0], it[1])
+                    else -> Tag(null, tag)
+                }
+            }
+        }
+    }
+
+    override fun toString(): String {
+        return (if (isNegative) "-" else "") + when(area) {
+            null -> tag
+            else -> "$area:$tag"
+        }
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (other !is Tag)
+            return false
+
+        if (other.area == area && other.tag == tag)
+            return true
+
+        return false
+    }
+
+    override fun hashCode(): Int {
+        return super.hashCode()
+    }
+}
+
+class Tags(tag: List<Tag?>?) : ArrayList<Tag>() {
+
+    companion object {
+        fun parse(tags: String) : Tags {
+            return Tags(
+                tags.split(' ').map {
+                    if (it.isNotEmpty())
+                        Tag.parseTag(it)
+                    else
+                        null
+                }
+            )
+        }
+    }
+
+    init {
+        tag?.forEach {
+            if (it != null)
+                add(it)
+        }
+    }
+
+    fun contains(element: String): Boolean {
+        forEach {
+            if (it.toString() == element)
+                return true
+        }
+
+        return false
+    }
+
+    fun add(element: String): Boolean {
+        return super.add(Tag.parseTag(element))
+    }
+
+    fun remove(element: String) {
+        filter { it.toString() == element }.forEach {
+            remove(it)
+        }
+    }
+
+    fun removeByArea(area: String) {
+        filter { it.area == area }.forEach {
+            remove(it)
+        }
+    }
+
+    override fun toString(): String {
+        return joinToString(" ") { it.toString() }
+    }
+
+}

app/src/main/java/xyz/quaver/pupil/util/ItemClickSupport.java

@@ -0,0 +1,107 @@
+package xyz.quaver.pupil.util;
+
+import android.view.View;
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+import xyz.quaver.pupil.R;
+
+/*
+  Source: http://www.littlerobots.nl/blog/Handle-Android-RecyclerView-Clicks/
+  USAGE:
+
+  ItemClickSupport.addTo(mRecyclerView).setOnItemClickListener(new ItemClickSupport.OnItemClickListener() {
+      @Override
+      public void onItemClicked(RecyclerView recyclerView, int position, View v) {
+          // do it
+      }
+  });
+
+*/
+public class ItemClickSupport {
+    private final RecyclerView mRecyclerView;
+    private OnItemClickListener mOnItemClickListener;
+    private OnItemLongClickListener mOnItemLongClickListener;
+    private View.OnClickListener mOnClickListener = new View.OnClickListener() {
+        @Override
+        public void onClick(View v) {
+            if (mOnItemClickListener != null) {
+                RecyclerView.ViewHolder holder = mRecyclerView.getChildViewHolder(v);
+                mOnItemClickListener.onItemClicked(mRecyclerView, holder.getAdapterPosition(), v);
+            }
+        }
+    };
+    private View.OnLongClickListener mOnLongClickListener = new View.OnLongClickListener() {
+        @Override
+        public boolean onLongClick(View v) {
+            if (mOnItemLongClickListener != null) {
+                RecyclerView.ViewHolder holder = mRecyclerView.getChildViewHolder(v);
+                return mOnItemLongClickListener.onItemLongClicked(mRecyclerView, holder.getAdapterPosition(), v);
+            }
+            return false;
+        }
+    };
+    private RecyclerView.OnChildAttachStateChangeListener mAttachListener
+            = new RecyclerView.OnChildAttachStateChangeListener() {
+        @Override
+        public void onChildViewAttachedToWindow(@NonNull View view) {
+            if (mOnItemClickListener != null) {
+                view.setOnClickListener(mOnClickListener);
+            }
+            if (mOnItemLongClickListener != null) {
+                view.setOnLongClickListener(mOnLongClickListener);
+            }
+        }
+
+        @Override
+        public void onChildViewDetachedFromWindow(@NonNull View view) {
+
+        }
+    };
+
+    private ItemClickSupport(RecyclerView recyclerView) {
+        mRecyclerView = recyclerView;
+        mRecyclerView.setTag(R.id.item_click_support, this);
+        mRecyclerView.addOnChildAttachStateChangeListener(mAttachListener);
+    }
+
+    public static ItemClickSupport addTo(RecyclerView view) {
+        ItemClickSupport support = (ItemClickSupport) view.getTag(R.id.item_click_support);
+        if (support == null) {
+            support = new ItemClickSupport(view);
+        }
+        return support;
+    }
+
+    public static ItemClickSupport removeFrom(RecyclerView view) {
+        ItemClickSupport support = (ItemClickSupport) view.getTag(R.id.item_click_support);
+        if (support != null) {
+            support.detach(view);
+        }
+        return support;
+    }
+
+    public ItemClickSupport setOnItemClickListener(OnItemClickListener listener) {
+        mOnItemClickListener = listener;
+        return this;
+    }
+
+    public ItemClickSupport setOnItemLongClickListener(OnItemLongClickListener listener) {
+        mOnItemLongClickListener = listener;
+        return this;
+    }
+
+    private void detach(RecyclerView view) {
+        view.removeOnChildAttachStateChangeListener(mAttachListener);
+        view.setTag(R.id.item_click_support, null);
+    }
+
+    public interface OnItemClickListener {
+
+        void onItemClicked(RecyclerView recyclerView, int position, View v);
+    }
+
+    public interface OnItemLongClickListener {
+
+        boolean onItemLongClicked(RecyclerView recyclerView, int position, View v);
+    }
+}

app/src/main/java/xyz/quaver/pupil/util/update.kt

@@ -18,14 +18,5 @@ fun checkUpdate(url: String, currentVersion: String) : JsonObject? {
     if (currentVersion != releases[0].jsonObject["tag_name"]?.content)
         return releases[0].jsonObject
 
-    return null
-}
-
-fun getApkUrl(releases: JsonObject, releaseName: String) : Pair<String?, String?>? {
-    releases["assets"]?.jsonArray?.forEach {
-        if (Regex(releaseName).matches(it.jsonObject["name"]?.content ?: ""))
-            return Pair(it.jsonObject["browser_download_url"]?.content, it.jsonObject["name"]?.content)
-    }
-
     return null
 }

app/src/main/res/drawable-anydpi/ic_email.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M20,4L4,4c-1.1,0 -1.99,0.9 -1.99,2L2,18c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2zM20,8l-8,5 -8,-5L4,6l8,5 8,-5v2z"/>
+</vector>

app/src/main/res/drawable-anydpi/ic_help.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="#333333">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM13,19h-2v-2h2v2zM15.07,11.25l-0.9,0.92C13.45,12.9 13,13.5 13,15h-2v-0.5c0,-1.1 0.45,-2.1 1.17,-2.83l1.24,-1.26c0.37,-0.36 0.59,-0.86 0.59,-1.41 0,-1.1 -0.9,-2 -2,-2s-2,0.9 -2,2L8,9c0,-2.21 1.79,-4 4,-4s4,1.79 4,4c0,0.88 -0.36,1.68 -0.93,2.25z"/>
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -6,7 +6,6 @@
 	android:id="@+id/main_drawer_layout"
 	android:layout_width="match_parent"
 	android:layout_height="match_parent"
-	android:fitsSystemWindows="true"
 	tools:openDrawer="start">
 
 	<include layout="@layout/activity_main_content"
@@ -18,7 +17,6 @@
 		android:layout_width="wrap_content"
 		android:layout_height="match_parent"
 		android:layout_gravity="start"
-		android:fitsSystemWindows="true"
 		app:headerLayout="@layout/nav_header_main"
 		app:menu="@menu/activity_main_drawer"/>
 

app/src/main/res/layout/activity_main_content.xml

@@ -22,7 +22,7 @@
 
             <View
                 android:layout_width="match_parent"
-                android:layout_height="64dp"
+                android:layout_height="80dp"
                 android:visibility="invisible"
                 android:background="@color/transparent"
                 app:layout_scrollFlags="scroll|enterAlways"
@@ -50,13 +50,13 @@
             android:id="@+id/main_swipe_layout"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:layout_marginBottom="-64dp">
+            android:layout_marginBottom="-80dp">
 
             <androidx.recyclerview.widget.RecyclerView
                 android:id="@+id/main_recyclerview"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
-                android:paddingTop="64dp"
+                android:paddingTop="80dp"
                 android:clipToPadding="false"
                 android:scrollbars="vertical"
                 app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>
@@ -71,7 +71,7 @@
         android:layout_height="match_parent"
         app:floatingSearch_searchBarMarginLeft="8dp"
         app:floatingSearch_searchBarMarginRight="8dp"
-        app:floatingSearch_searchBarMarginTop="8dp"
+        app:floatingSearch_searchBarMarginTop="24dp"
         app:floatingSearch_searchHint="@string/search_hint"
         app:floatingSearch_suggestionsListAnimDuration="250"
         app:floatingSearch_showSearchKey="true"

app/src/main/res/layout/activity_reader.xml

@@ -1,18 +1,25 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".GalleryActivity">
+    tools:context=".ReaderActivity">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/reader_recyclerview"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_gravity="center"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>
 
     <FrameLayout
-        android:id="@+id/gallery_framelayout"
+        android:id="@+id/reader_framelayout"
         android:layout_width="match_parent"
-        android:layout_height="4dp">
+        android:layout_height="wrap_content">
 
         <ProgressBar
-            android:id="@+id/gallery_progressbar"
+            android:id="@+id/reader_progressbar"
             style="@style/Widget.AppCompat.ProgressBar.Horizontal"
             android:layout_width="match_parent"
             android:layout_height="4dp"
@@ -20,11 +27,4 @@
 
     </FrameLayout>
 
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/gallery_recyclerview"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_below="@id/gallery_framelayout"
-        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"/>
-
-</RelativeLayout>
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

app/src/main/res/layout/dialog_default_query.xml

@@ -0,0 +1,111 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:padding="16dp">
+
+    <TextView
+        android:id="@+id/default_query_dialog_title"
+        style="@style/TextAppearance.AppCompat.Large"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/default_query_dialog_title"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"/>
+
+    <EditText
+        tools:ignore="Autofill"
+        android:inputType="text"
+        android:hint="@string/settings_default_query"
+        android:id="@+id/default_query_dialog_edittext"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/default_query_dialog_title"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
+
+    <LinearLayout
+        android:id="@+id/default_query_dialog_language_layout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/default_query_dialog_edittext"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="@string/default_query_dialog_language"/>
+
+        <Spinner
+            android:id="@+id/default_query_dialog_language_selector"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"/>
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/default_query_dialog_BL_layout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:paddingLeft="0dp"
+        android:paddingStart="0dp"
+        android:paddingEnd="8dp"
+        android:paddingRight="8dp"
+        app:layout_constraintTop_toBottomOf="@id/default_query_dialog_language_layout"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_weight="1"
+            android:layout_height="wrap_content"
+            android:text="@string/default_query_dialog_filter_BL"/>
+
+        <CheckBox
+            android:id="@+id/default_query_dialog_BL_checkbox"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/default_query_dialog_guro_layout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:paddingLeft="0dp"
+        android:paddingStart="0dp"
+        android:paddingEnd="8dp"
+        android:paddingRight="8dp"
+        app:layout_constraintTop_toBottomOf="@id/default_query_dialog_BL_layout"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent">
+
+        <TextView
+            android:layout_width="0dp"
+            android:layout_weight="1"
+            android:layout_height="wrap_content"
+            android:text="@string/default_query_dialog_filter_guro"/>
+
+        <CheckBox
+            android:id="@+id/default_query_dialog_guro_checkbox"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+
+    </LinearLayout>
+
+    <Button
+        android:id="@+id/default_query_dialog_ok"
+        style="?borderlessButtonStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/default_query_dialog_guro_layout"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:text="@android:string/ok"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/dialog_numberpicker.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:padding="16dp">
+
+    <TextView
+        style="?android:textAppearanceLarge"
+        android:id="@+id/reader_dialog_title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/reader_go_to_page"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"/>
+
+    <NumberPicker
+        android:id="@+id/reader_dialog_number_picker"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@id/reader_dialog_title"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
+
+    <Button
+        android:id="@+id/reader_dialog_ok"
+        style="?borderlessButtonStyle"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@android:string/ok"
+        app:layout_constraintTop_toBottomOf="@id/reader_dialog_number_picker"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"/>
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/item_galleryblock.xml

@@ -78,8 +78,17 @@
 			android:layout_marginLeft="8dp"
 			android:layout_marginBottom="8dp"
 			app:layout_constraintTop_toBottomOf="@id/galleryblock_type"
+			app:layout_constraintBottom_toTopOf="@id/galleryblock_padding"
 			app:layout_constraintStart_toEndOf="@id/galleryblock_thumbnail" />
 
+		<View
+			android:id="@+id/galleryblock_padding"
+			android:layout_width="0dp"
+			android:layout_height="0dp"
+			app:layout_constraintStart_toEndOf="@id/galleryblock_thumbnail"
+			app:layout_constraintTop_toBottomOf="@id/galleryblock_language"
+			app:layout_constraintBottom_toTopOf="@id/galleryblock_tag_group"/>
+
 		<com.google.android.material.chip.ChipGroup
 			android:id="@+id/galleryblock_tag_group"
 			android:layout_width="0dp"
@@ -90,7 +99,7 @@
 			android:layout_marginBottom="16dp"
 			app:layout_constraintLeft_toRightOf="@id/galleryblock_thumbnail"
 			app:layout_constraintRight_toRightOf="parent"
-			app:layout_constraintTop_toBottomOf="@id/galleryblock_language"
+			app:layout_constraintTop_toBottomOf="@id/galleryblock_padding"
 			app:layout_constraintBottom_toBottomOf="parent"/>
 
 	</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/item_reader.xml

@@ -4,6 +4,5 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:paddingBottom="8dp"
-    android:adjustViewBounds="true"
-    android:clickable="true"
-    android:focusable="true"/>
+    android:scaleType="fitCenter"
+    android:adjustViewBounds="true"/>

app/src/main/res/menu/activity_main_drawer.xml

@@ -12,4 +12,21 @@
             android:icon="@drawable/ic_history"/>
     </group>
 
+    <item android:title="@string/main_drawer_group_contact_title">
+        <menu>
+            <item android:id="@+id/main_drawer_help"
+                android:title="@string/main_drawer_group_contact_help"
+                android:icon="@drawable/ic_help"/>
+            <item android:id="@+id/main_drawer_github"
+                android:title="@string/main_drawer_group_contact_github"
+                android:icon="@drawable/github_circle"/>
+            <item android:id="@+id/main_drawer_homepage"
+                android:title="@string/main_drawer_group_contact_homepage"
+                android:icon="@drawable/ic_home"/>
+            <item android:id="@+id/main_drawer_email"
+                android:title="@string/main_drawer_group_contact_email"
+                android:icon="@drawable/ic_email"/>
+        </menu>
+    </item>
+
 </menu>

app/src/main/res/menu/reader.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
+
+    <item android:id="@+id/reader_menu_page_indicator"
+        android:title="@string/reader_page_indicator_placeholder"
+        app:showAsAction="always|withText"/>
+
+</menu>

app/src/main/res/values-ja/strings.xml

@@ -10,7 +10,7 @@
     <string name="settings_clear_image_cache">イメージキャッシュクリア</string>
     <string name="settings_clear_cache_alert_message">キャッシュをクリアするとイメージのロード速度に影響を与えます。実行しますか？</string>
     <string name="settings_clear_cache_summary">キャッシュサイズ: %1$d%2$s</string>
-    <string name="settings_default_query">デフォルト検索キーワード</string>
+    <string name="settings_default_query">デフォルトキーワード</string>
     <string name="permission_explain">権限を拒否すると一部の機能が利用できません</string>
     <string name="settings_galleries_per_page">一回にロードするギャラリー数</string>
     <string name="settings_search_title">検索設定</string>
@@ -30,4 +30,17 @@
     <string name="update_release_note"># リリースノート(v%1$s)\n%2$s</string>
     <string name="settings_security_mode_title">セキュリティーモード</string>
     <string name="settings_security_mode_summary">アプリ履歴でアプリの画面を表示しない</string>
+    <string name="reader_go_to_page">移動</string>
+    <string name="default_query_dialog_language_selector_none">非選択</string>
+    <string name="default_query_dialog_filter_BL">BLフィルター</string>
+    <string name="default_query_dialog_filter_guro">グロフィルター</string>
+    <string name="default_query_dialog_language">"言語: "</string>
+    <string name="default_query_dialog_title">デフォルトキーワード設定</string>
+    <string name="main_drawer_group_contact_title">お問い合わせ先</string>
+    <string name="main_drawer_group_contact_homepage">ホームページ</string>
+    <string name="main_drawer_group_contact_help">ヘルプ</string>
+    <string name="main_drawer_group_contact_github">Github</string>
+    <string name="main_drawer_group_contact_email">メールを送る</string>
+    <string name="help_dialog_title">準備中</string>
+    <string name="help_dialog_message">準備中です。</string>
 </resources>

app/src/main/res/values-ko/strings.xml

@@ -30,4 +30,17 @@
     <string name="update_release_note"># 릴리즈 노트(v%1$s)\n%2$s</string>
     <string name="settings_security_mode_summary">최근 앱 목록 창에서 앱 화면을 보이지 않게 합니다</string>
     <string name="settings_security_mode_title">보안 모드 활성화</string>
+    <string name="reader_go_to_page">이동</string>
+    <string name="default_query_dialog_language_selector_none">미선택</string>
+    <string name="default_query_dialog_filter_BL">BL물 필터</string>
+    <string name="default_query_dialog_filter_guro">고어물 필터</string>
+    <string name="default_query_dialog_language">"언어: "</string>
+    <string name="default_query_dialog_title">기본 검색어 설정</string>
+    <string name="main_drawer_group_contact_email">메일 보내기!</string>
+    <string name="main_drawer_group_contact_github">Github</string>
+    <string name="main_drawer_group_contact_help">도움말</string>
+    <string name="main_drawer_group_contact_homepage">홈페이지</string>
+    <string name="main_drawer_group_contact_title">문의</string>
+    <string name="help_dialog_title">준비 중</string>
+    <string name="help_dialog_message">준비중입니다.\n만화 화면에서 사진을 길게 누르면 스크롤 방식이 바뀝니다. 알고 계셨나요? :)</string>
 </resources>

app/src/main/res/values-v23/styles.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <style name="NoActionBarAppTheme" parent="Theme.MaterialComponents.Light.NoActionBar">
+        <item name="android:windowTranslucentStatus">true</item>
+        <item name="android:windowTranslucentNavigation">true</item>
         <item name="android:windowLightStatusBar">true</item>
-        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
-        <item name="android:statusBarColor">@color/transparent</item>
         <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>

app/src/main/res/values/dimen.xml

@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 	<dimen name="appbar_padding">64dp</dimen>
-	<dimen name="progress_view_offset">80dp</dimen>
+	<dimen name="progress_view_start">32dp</dimen>
+	<dimen name="progress_view_offset">96dp</dimen>
 
 	<dimen name="activity_horizontal_margin">16dp</dimen>
 	<dimen name="activity_vertical_margin">16dp</dimen>

app/src/main/res/values/ids.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <item name="item_click_support" type="id" />
+</resources>

app/src/main/res/values/strings.xml

@@ -4,10 +4,17 @@
     <string name="release_url" translatable="false">https://api.github.com/repos/tom5079/Pupil-issue/releases</string>
     <string name="release_name" translatable="false">Pupil-v(\\d+\\.)+\\d+\\.apk</string>
 
+    <string name="home_page" translatable="false">https://tom5079.github.io/Pupil</string>
+    <string name="github" translatable="false">https://github.com/tom5079/Pupil-issue/issues/new/choose</string>
+    <string name="email" translatable="false">mailto:pupil.hentai@gmail.com</string>
+
     <string name="main_settings" translatable="false">Settings</string>
     <string name="galleryblock_thumbnail_description" translatable="false">Thumbnail</string>
 
     <string name="reader_imageview_description" translatable="false">Content ImageView</string>
+    <string name="reader_page_indicator_placeholder" translatable="false">-/-</string>
+
+    <string name="plus_to_close" translatable="false">Fab</string>
 
     <!-- Translate needed down here -->
 
@@ -20,6 +27,14 @@
 
     <string name="main_drawer_home">Home</string>
     <string name="main_drawer_history">History</string>
+    <string name="main_drawer_group_contact_title">Contact</string>
+    <string name="main_drawer_group_contact_help">Help</string>
+    <string name="main_drawer_group_contact_homepage">Visit homepage</string>
+    <string name="main_drawer_group_contact_github">Visit github</string>
+    <string name="main_drawer_group_contact_email">Email me!</string>
+
+    <string name="help_dialog_title">WIP</string>
+    <string name="help_dialog_message">While in progress!\nOne thing might you don\'t know:\nLong tap an image in reader will change scrolling mode! Go try it :)</string>
 
     <string name="update_title">Update available</string>
     <string name="update_download_started">Download started</string>
@@ -32,6 +47,8 @@
     <string name="galleryblock_type">Type: %1$s</string>
     <string name="galleryblock_language">Language: %1$s</string>
 
+    <string name="reader_go_to_page">Go to page</string>
+
     <string name="settings_title">Settings</string>
     <string name="settings_search_title">Search Settings</string>
     <string name="settings_galleries_per_page">Galleries per page</string>
@@ -49,4 +66,10 @@
     <string name="settings_security_mode_title">Enable security mode</string>
     <string name="settings_security_mode_summary">Enable security mode to make the screen invisible on recent app window</string>
 
+    <string name="default_query_dialog_title">Set default query</string>
+    <string name="default_query_dialog_language">Language: </string>
+    <string name="default_query_dialog_filter_BL">Filter BL</string>
+    <string name="default_query_dialog_filter_guro">Filter Guro</string>
+    <string name="default_query_dialog_language_selector_none">Any</string>
+
 </resources>

app/src/main/res/xml/root_preferences.xml

@@ -13,7 +13,7 @@
             app:defaultValue="25"
             app:useSimpleSummaryProvider="true"/>
 
-        <EditTextPreference
+        <Preference
             app:key="default_query"
             app:title="@string/settings_default_query"
             app:defaultValue=""