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Commit 610e43f9 authored by Brian Isganitis's avatar Brian Isganitis
Browse files

Intercept touch events for launcher preview root view 

This change prevents any accidental touches on any widgets in the
preview.

Test: Tapping on launcher preview in wallpaper app should never activate
a widget.
Fix: 191623924

Change-Id: Iac7eab057ec33ff491365a993af75a0b06a27f7e
Merged-In: I98d462eca699cf368dcd5894f15584f280932ccc
parent 419ee459

res/layout/launcher_preview_layout.xml

+2 −2
Original line number Diff line number Diff line
@@ -13,7 +13,7 @@ 
     See the License for the specific language governing permissions and

     limitations under the License.

-->

<com.android.launcher3.InsettableFrameLayout

<view class="com.android.launcher3.graphics.LauncherPreviewRenderer$LauncherPreviewLayout"

    xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:launcher="http://schemas.android.com/apk/res-auto"

    android:layout_width="match_parent"
@@ -33,4 +33,4 @@ 
        android:id="@+id/hotseat"

        layout="@layout/hotseat" />



</com.android.launcher3.InsettableFrameLayout>
 
 No newline at end of file
 
</view>
 
 No newline at end of file

src/com/android/launcher3/graphics/LauncherPreviewRenderer.java

+13 −0
Original line number Diff line number Diff line
@@ -43,6 +43,7 @@ import android.os.Process; 
import android.util.AttributeSet;

import android.view.ContextThemeWrapper;

import android.view.LayoutInflater;

import android.view.MotionEvent;

import android.view.View;

import android.view.ViewGroup;

import android.view.WindowInsets;
@@ -467,4 +468,16 @@ public class LauncherPreviewRenderer extends ContextWrapper 
        view.measure(makeMeasureSpec(width, EXACTLY), makeMeasureSpec(height, EXACTLY));

        view.layout(0, 0, width, height);

    }



    /** Root layout for launcher preview that intercepts all touch events. */

    public static class LauncherPreviewLayout extends InsettableFrameLayout {

        public LauncherPreviewLayout(Context context, AttributeSet attrs) {

            super(context, attrs);

        }



        @Override

        public boolean onInterceptTouchEvent(MotionEvent ev) {

            return true;

        }

    }

}