Merge "Revert "Revert transparent bars for L in 3.5. DO NOT MERGE"" into ub-now-nova

1 files changed, 47 insertions, 0 deletions

diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 90856084c..9ebb9970a 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -24,6 +24,7 @@ import android.animation.ObjectAnimator;
 import android.animation.PropertyValuesHolder;
 import android.animation.ValueAnimator;
 import android.animation.ValueAnimator.AnimatorUpdateListener;
+import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.ActivityOptions;
@@ -79,6 +80,7 @@ import android.view.Menu;
 import android.view.MotionEvent;
 import android.view.Surface;
 import android.view.View;
+import android.view.Window;
 import android.view.View.OnClickListener;
 import android.view.View.OnLongClickListener;
 import android.view.ViewGroup;
@@ -108,6 +110,9 @@ import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.PrintWriter;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 import java.text.DateFormat;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -1625,10 +1630,52 @@ public class Launcher extends Activity
         }
         registerReceiver(mReceiver, filter);
         FirstFrameAnimatorHelper.initializeDrawListener(getWindow().getDecorView());
+        setupTransparentSystemBarsForLmp();
         mAttached = true;
         mVisible = true;
     }
 
+    /**
+     * Sets up transparent navigation and status bars in LMP.
+     * This method is a no-op for other platform versions.
+     */
+    @TargetApi(19)
+    private void setupTransparentSystemBarsForLmp() {
+        // TODO(sansid): use the APIs directly when compiling against L sdk.
+        // Currently we use reflection to access the flags and the API to set the transparency
+        // on the System bars.
+        if (Utilities.isLmp()) {
+            try {
+                getWindow().getAttributes().systemUiVisibility |=
+                        (View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                                | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                                | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
+                getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS
+                        | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
+                Field drawsSysBackgroundsField = WindowManager.LayoutParams.class.getField(
+                        "FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS");
+                getWindow().addFlags(drawsSysBackgroundsField.getInt(null));
+
+                Method setStatusBarColorMethod =
+                        Window.class.getDeclaredMethod("setStatusBarColor", int.class);
+                Method setNavigationBarColorMethod =
+                        Window.class.getDeclaredMethod("setNavigationBarColor", int.class);
+                setStatusBarColorMethod.invoke(getWindow(), Color.TRANSPARENT);
+                setNavigationBarColorMethod.invoke(getWindow(), Color.TRANSPARENT);
+            } catch (NoSuchFieldException e) {
+                Log.w(TAG, "NoSuchFieldException while setting up transparent bars");
+            } catch (NoSuchMethodException ex) {
+                Log.w(TAG, "NoSuchMethodException while setting up transparent bars");
+            } catch (IllegalAccessException e) {
+                Log.w(TAG, "IllegalAccessException while setting up transparent bars");
+            } catch (IllegalArgumentException e) {
+                Log.w(TAG, "IllegalArgumentException while setting up transparent bars");
+            } catch (InvocationTargetException e) {
+                Log.w(TAG, "InvocationTargetException while setting up transparent bars");
+            } finally {}
+        }
+    }
+
     @Override
     public void onDetachedFromWindow() {
         super.onDetachedFromWindow();