Camera: Change volume hard key button to zoom function

Able to capture image through volume hard key
button in camera application, change the function
to zoom function.

Change-Id: Iab9fc2492b2e2ff89cd58c21bac2f147f47b77e2

1 files changed, 17 insertions, 0 deletions

diff --git a/src/com/android/camera/PhotoUI.java b/src/com/android/camera/PhotoUI.java
index 43781a0a3..130e8d261 100644
--- a/src/com/android/camera/PhotoUI.java
+++ b/src/com/android/camera/PhotoUI.java
@@ -58,6 +58,7 @@ import android.widget.ListView;
 import android.widget.PopupWindow;
 import android.widget.SeekBar;
 import android.widget.Toast;
+import android.graphics.Canvas;
 
 import com.android.camera.CameraPreference.OnPreferenceChangedListener;
 import com.android.camera.FocusOverlayManager.FocusUI;
@@ -1390,6 +1391,22 @@ public class PhotoUI implements PieListener,
         mFaceView.setFaces(faces);
     }
 
+
+    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.");