Migrate to Android 29

Re-Added Cache clear to prevent deleting downloading images

app/src/main/java/xyz/quaver/pupil/ui/PatternLockFragment.kt

@@ -0,0 +1,46 @@
+package xyz.quaver.pupil.ui
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import com.andrognito.patternlockview.PatternLockView
+import com.andrognito.patternlockview.listener.PatternLockViewListener
+import com.andrognito.patternlockview.utils.PatternLockUtils
+import kotlinx.android.synthetic.main.fragment_pattern_lock.*
+import kotlinx.android.synthetic.main.fragment_pattern_lock.view.*
+import xyz.quaver.pupil.R
+import xyz.quaver.pupil.util.hash
+
+class PatternLockFragment : Fragment(), PatternLockViewListener {
+
+    var onPatternDrawn: ((String) -> Unit)? = null
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_pattern_lock, container, false).apply {
+            lock_pattern_view.addPatternLockListener(this@PatternLockFragment)
+        }
+    }
+
+    override fun onCleared() {
+
+    }
+
+    override fun onComplete(pattern: MutableList<PatternLockView.Dot>?) {
+        val password = PatternLockUtils.patternToMD5(lock_pattern_view, pattern)
+        onPatternDrawn?.invoke(hash(password))
+    }
+
+    override fun onProgress(progressPattern: MutableList<PatternLockView.Dot>?) {
+
+    }
+
+    override fun onStarted() {
+
+    }
+
+}