Merge "Removing usage of reflection." into ub-launcher3-master
diff --git a/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java b/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java
index a671ed2..6a816d9 100644
--- a/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java
+++ b/WallpaperPicker/src/com/android/gallery3d/common/BitmapUtils.java
@@ -18,17 +18,13 @@
 
 import android.graphics.Bitmap;
 import android.graphics.Bitmap.CompressFormat;
-import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.Matrix;
 import android.graphics.Paint;
-import android.os.Build;
 import android.util.FloatMath;
 import android.util.Log;
 
 import java.io.ByteArrayOutputStream;
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
 
 public class BitmapUtils {
     private static final String TAG = "BitmapUtils";
@@ -187,54 +183,6 @@
         return bitmap;
     }
 
-    public static Bitmap createVideoThumbnail(String filePath) {
-        // MediaMetadataRetriever is available on API Level 8
-        // but is hidden until API Level 10
-        Class<?> clazz = null;
-        Object instance = null;
-        try {
-            clazz = Class.forName("android.media.MediaMetadataRetriever");
-            instance = clazz.newInstance();
-
-            Method method = clazz.getMethod("setDataSource", String.class);
-            method.invoke(instance, filePath);
-
-            // The method name changes between API Level 9 and 10.
-            if (Build.VERSION.SDK_INT <= 9) {
-                return (Bitmap) clazz.getMethod("captureFrame").invoke(instance);
-            } else {
-                byte[] data = (byte[]) clazz.getMethod("getEmbeddedPicture").invoke(instance);
-                if (data != null) {
-                    Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
-                    if (bitmap != null) return bitmap;
-                }
-                return (Bitmap) clazz.getMethod("getFrameAtTime").invoke(instance);
-            }
-        } catch (IllegalArgumentException ex) {
-            // Assume this is a corrupt video file
-        } catch (RuntimeException ex) {
-            // Assume this is a corrupt video file.
-        } catch (InstantiationException e) {
-            Log.e(TAG, "createVideoThumbnail", e);
-        } catch (InvocationTargetException e) {
-            Log.e(TAG, "createVideoThumbnail", e);
-        } catch (ClassNotFoundException e) {
-            Log.e(TAG, "createVideoThumbnail", e);
-        } catch (NoSuchMethodException e) {
-            Log.e(TAG, "createVideoThumbnail", e);
-        } catch (IllegalAccessException e) {
-            Log.e(TAG, "createVideoThumbnail", e);
-        } finally {
-            try {
-                if (instance != null) {
-                    clazz.getMethod("release").invoke(instance);
-                }
-            } catch (Exception ignored) {
-            }
-        }
-        return null;
-    }
-
     public static byte[] compressToBytes(Bitmap bitmap) {
         return compressToBytes(bitmap, DEFAULT_JPEG_QUALITY);
     }
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 84476b7..61915b7 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -115,9 +115,6 @@
 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;
@@ -1686,40 +1683,19 @@
      * Sets up transparent navigation and status bars in LMP.
      * This method is a no-op for other platform versions.
      */
-    @TargetApi(19)
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
     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.isLmpOrAbove()) {
-            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 {}
+            Window window = getWindow();
+            window.getAttributes().systemUiVisibility |=
+                    (View.SYSTEM_UI_FLAG_LAYOUT_STABLE
+                            | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION);
+            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS
+                    | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
+            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
+            window.setStatusBarColor(Color.TRANSPARENT);
+            window.setNavigationBarColor(Color.TRANSPARENT);
         }
     }