Gallery2: Fix batches of issues in movie effects

Fix following issues:
- All settings aren't restored to previous state when user cancel
his operations.
- Check the validity to avoid calling member function of an already
released object.
- Recycle effect instance when MovieActivity pauses.
- Don't restore strength from pref when toggling switch.
- Force the Effect's dialog to be uncancelable.
- Fix null pointer and effect leak issue due to CMCC features.
- Fix audio effects dialog display on small screens.
- Recognize bluetooth headset.
- Update visual design.

Conflicts:
	src/com/android/gallery3d/ui/Knob.java

Change-Id: I803897508c0c1a6723170b7691e3ece03680e4f1

1 files changed, 3 insertions, 13 deletions

diff --git a/res/layout/audio_effects_dialog.xml b/res/layout/audio_effects_dialog.xml
index 83892c224..49dcafb56 100644
--- a/res/layout/audio_effects_dialog.xml
+++ b/res/layout/audio_effects_dialog.xml
@@ -42,22 +42,12 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
         android:gravity="center_horizontal"
         android:paddingBottom="10dp">
 
-        <Switch
-            android:id="@+id/audio_effects_switch"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/audio_effects"
-            android:textAppearance="?android:attr/textAppearanceSmall"
-            android:layout_marginTop="10dp"
-            android:layout_marginLeft="25dp"
-            android:layout_marginRight="30dp" />
-
         <LinearLayout
             android:id="@+id/aEffectsPanel"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:orientation="horizontal"
-            android:layout_marginTop="5dp"
+            android:layout_marginTop="12dp"
             android:layout_marginBottom="10dp"
             android:gravity="center_vertical">
 
@@ -65,16 +55,16 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                 android:id="@+id/bBStrengthKnob"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:layout_weight="1"
                 custom:label="@string/bass_boost_strength"
-                custom:background="@drawable/knob_bg"
                 custom:foreground="@drawable/knob" />
 
             <com.android.gallery3d.ui.Knob
                 android:id="@+id/vIStrengthKnob"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:layout_weight="1"
                 custom:label="@string/virtualizer_strength"
-                custom:background="@drawable/knob_bg"
                 custom:foreground="@drawable/knob" />
 
         </LinearLayout>