LatinIME/java/src/com/android/inputmethod/keyboard/internal/CustomViewPager.java
Ken Wakasa 2fa3693c26 Reset to 9bd6dac470
The bulk merge from -bayo to klp-dev should not have been merged to master.

Change-Id: I527a03a76f5247e4939a672f27c314dc11cbb854
2013-12-13 17:13:32 +09:00

47 lines
1.7 KiB
Java

/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.inputmethod.keyboard.internal;
import android.content.Context;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
/**
* Custom view pager to prevent {@link ViewPager} from crashing while handling multi-touch
* event.
*/
public class CustomViewPager extends ViewPager {
private static final String TAG = CustomViewPager.class.getSimpleName();
public CustomViewPager(final Context context, final AttributeSet attrs) {
super(context, attrs);
}
@Override
public boolean onInterceptTouchEvent(final MotionEvent event) {
// This only happens when you multi-touch, take the first finger off and move.
// Unfortunately this causes {@link ViewPager} to crash, so we will ignore such events.
if (event.getAction() == MotionEvent.ACTION_MOVE && event.getPointerId(0) != 0) {
Log.w(TAG, "Ignored multi-touch move event to prevent ViewPager from crashing");
return false;
}
return super.onInterceptTouchEvent(event);
}
}