Change preview / settings screens management

Author: danopdev

app/src/main/java/com/dan/perspective/AppFragment.kt

@@ -0,0 +1,20 @@
+package com.dan.perspective
+
+import androidx.fragment.app.Fragment
+
+open class AppFragment(val activity: MainActivity) : Fragment() {
+    open fun onBack(backButton: Boolean) {
+    }
+
+    fun showToast(message: String) {
+        activity.showToast(message)
+    }
+
+    fun runOnUiThread(action: ()->Unit) {
+        activity.runOnUiThread(action)
+    }
+
+    fun runAsync( msg: String, callback: ()->Unit ) {
+        activity.runAsync(msg, callback)
+    }
+}

app/src/main/java/com/dan/perspective/Bitmap2View.kt

@@ -3,7 +3,6 @@ package com.dan.perspective
 import android.graphics.PointF
 import android.graphics.RectF
 
-
 class Bitmap2View( bitmapWidth: Int = -1, bitmapHeight: Int = -1, viewRect: RectF = RectF() ) {
     private val scale = PointF(1f, 1f)
     private val delta = PointF( 0f, 0f)