Accessibility support for the lockscreen - phone.

Change-Id: Idc99f1322a1d635dd07e1f5efa1665a4676267c2

Author: sganov

core/java/android/appwidget/AppWidgetHostView.java

@@ -144,6 +144,7 @@ public void setAppWidget(int appWidgetId, AppWidgetProviderInfo info) {
             // We add padding to the AppWidgetHostView if necessary
             Rect padding = getDefaultPaddingForWidget(mContext, info.provider, null);
             setPadding(padding.left, padding.top, padding.right, padding.bottom);
+            setContentDescription(info.label);
         }
     }
 

core/java/com/android/internal/widget/LockPatternView.java

@@ -18,7 +18,6 @@
 
 
 import android.content.Context;
-import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
@@ -33,11 +32,9 @@
 import android.os.Parcelable;
 import android.os.SystemClock;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.HapticFeedbackConstants;
 import android.view.MotionEvent;
 import android.view.View;
-import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 
 import com.android.internal.R;
@@ -657,9 +654,11 @@ public boolean onTouchEvent(MotionEvent event) {
                 handleActionMove(event);
                 return true;
             case MotionEvent.ACTION_CANCEL:
-                resetPattern();
-                mPatternInProgress = false;
-                notifyPatternCleared();
+                if (mPatternInProgress) {
+                    mPatternInProgress = false;
+                    resetPattern();
+                    notifyPatternCleared();
+                }
                 if (PROFILE_DRAWING) {
                     if (mDrawingProfilingStarted) {
                         Debug.stopMethodTracing();
@@ -826,7 +825,7 @@ private void handleActionDown(MotionEvent event) {
             mPatternInProgress = true;
             mPatternDisplayMode = DisplayMode.Correct;
             notifyPatternStarted();
-        } else {
+        } else if (mPatternInProgress) {
             mPatternInProgress = false;
             notifyPatternCleared();
         }