Camera2: tweak volume key zoom and cleanup

- cleanup unused code
- cleanup codestyle
- add more zoom steps for smother zooming
- show zoom circle indicator during zoom

Change-Id: I5214fc2620a0c5167bfdc8e85f7115966c3b8bcf

1 files changed, 1 insertions, 11 deletions

diff --git a/src/com/android/camera/PhotoUI.java b/src/com/android/camera/PhotoUI.java
index 49707d81e..6e116f9a9 100644
--- a/src/com/android/camera/PhotoUI.java
+++ b/src/com/android/camera/PhotoUI.java
@@ -53,7 +53,6 @@ import android.widget.LinearLayout;
 import android.widget.ListView;
 import android.widget.PopupWindow;
 import android.widget.Toast;
-import android.graphics.Canvas;
 
 import com.android.camera.CameraPreference.OnPreferenceChangedListener;
 import com.android.camera.FocusOverlayManager.FocusUI;
@@ -1249,22 +1248,13 @@ public class PhotoUI implements PieListener,
         mFaceView.setFaces(faces);
     }
 
-
-    public boolean onScaleStepResize(boolean direction)
-    {
+    public boolean onScaleStepResize(boolean direction) {
         if(mGestures != null){
             return mGestures.onScaleStepResize(direction);
         }
         return false;
     }
 
-    public void onScaleChangeDraw(Canvas canvas)
-    {
-        if(mGestures != null){
-            mGestures.onScaleChangeDraw(canvas);
-        }
-    }
-
     @Override
     public void onDisplayChanged() {
         Log.d(TAG, "Device flip detected.");