refactor - bulk edit UI - make fab clickable on Pre-Lollipop devices without custom codes.

app/src/main/java/de/danoeh/antennapod/dialog/EpisodesApplyActionFragment.java

@@ -3,7 +3,6 @@ package de.danoeh.antennapod.dialog;
 import android.app.AlertDialog;
 import android.content.res.TypedArray;
 import android.graphics.drawable.Drawable;
-import android.os.Build;
 import android.os.Bundle;
 import android.support.annotation.IdRes;
 import android.support.annotation.NonNull;
@@ -220,29 +219,12 @@ public class EpisodesApplyActionFragment extends Fragment {
         return view;
     }
 
-    @Override
-    public void onStart() {
-        super.onStart();
-        compatEnsureSpeedDialClickable();
-    }
-
     @Override
     public void onStop() {
         restoreActionBarTitle(); // it might have been changed to "N selected". Restore original.
         super.onStop();
     }
 
-    private void compatEnsureSpeedDialClickable() {
-        // On pre-Lollipop devices (that does not support elevation),
-        // need to explicitly bring the fab to the front, otherwise it won't be clickable.
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
-            ViewGroup root = (ViewGroup)getView();
-            root.bringChildToFront(root.findViewById(R.id.fabSDScrollCtr));
-            root.requestLayout();
-            root.invalidate();
-        }
-    }
-
     private void showSpeedDialIfAnyChecked() {
         mSpeedDialView.setVisibility(checkedIds.size() > 0 ? View.VISIBLE : View.GONE);
     }

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

@@ -4,11 +4,24 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <ListView
+        android:id="@android:id/list"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:layout_marginTop="0dp" />
 
     <com.leinardi.android.speeddial.SpeedDialOverlayLayout
         android:id="@+id/fabSDOverlay"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
+    <!-- The FAB SpeedDial
+         1. MUST be placed at the bottom of the layout xml to ensure it is at the front,
+            clickable on Pre-Lollipop devices (that do not support elevation).
+            See: https://stackoverflow.com/a/2614402
+         2. ScrollView is needed to ensure the vertical list of speed dials are
+            accessible when screen height is small, eg., landscape mode on most phones.
+      -->
     <ScrollView
         android:id="@+id/fabSDScrollCtr"
         android:layout_width="wrap_content"
@@ -37,11 +50,4 @@
             />
     </ScrollView>
 
-    <ListView
-        android:id="@android:id/list"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_alignParentTop="true"
-        android:layout_marginTop="0dp" />
-
 </RelativeLayout>