Added gallery details

Added dark mode

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

@@ -112,10 +112,12 @@ class LockManager(base: Context): ContextWrapper(base) {
         }
     }
 
-    fun empty(): Boolean {
+    fun isEmpty(): Boolean {
         return locks.isNullOrEmpty()
     }
 
+    fun isNotEmpty(): Boolean = !isEmpty()
+
     fun contains(type: Lock.Type): Boolean {
         return locks?.any { it.type == type } ?: false
     }

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

@@ -23,4 +23,13 @@ import android.content.pm.PackageManager
 import androidx.core.content.ContextCompat
 
 fun Context.hasPermission(permission: String) =
-    ContextCompat.checkSelfPermission(this, permission) == PackageManager.PERMISSION_GRANTED
+    ContextCompat.checkSelfPermission(this, permission) == PackageManager.PERMISSION_GRANTED
+
+fun String.wordCapitalize() : String {
+    val result = ArrayList<String>()
+
+    for (word in this.split(" "))
+        result.add(word.capitalize())
+
+    return result.joinToString(" ")
+}