| /* |
| * Copyright (C) 2012 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.research; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.util.AttributeSet; |
| import android.view.KeyEvent; |
| import android.widget.LinearLayout; |
| |
| public class FeedbackLayout extends LinearLayout { |
| private Activity mActivity; |
| |
| public FeedbackLayout(Context context) { |
| super(context); |
| } |
| |
| public FeedbackLayout(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public FeedbackLayout(Context context, AttributeSet attrs, int defstyle) { |
| super(context, attrs, defstyle); |
| } |
| |
| public void setActivity(Activity activity) { |
| mActivity = activity; |
| } |
| |
| @Override |
| public boolean dispatchKeyEventPreIme(KeyEvent event) { |
| if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) { |
| KeyEvent.DispatcherState state = getKeyDispatcherState(); |
| if (state != null) { |
| if (event.getAction() == KeyEvent.ACTION_DOWN |
| && event.getRepeatCount() == 0) { |
| state.startTracking(event, this); |
| return true; |
| } else if (event.getAction() == KeyEvent.ACTION_UP |
| && !event.isCanceled() && state.isTracking(event)) { |
| mActivity.onBackPressed(); |
| return true; |
| } |
| } |
| } |
| return super.dispatchKeyEventPreIme(event); |
| } |
| } |