63 lines
2.0 KiB
Java
63 lines
2.0 KiB
Java
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.research;
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import android.app.Activity;
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import android.content.Context;
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import android.util.AttributeSet;
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import android.view.KeyEvent;
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import android.widget.LinearLayout;
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public class FeedbackLayout extends LinearLayout {
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private Activity mActivity;
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public FeedbackLayout(Context context) {
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super(context);
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}
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public FeedbackLayout(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public FeedbackLayout(Context context, AttributeSet attrs, int defstyle) {
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super(context, attrs, defstyle);
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}
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public void setActivity(Activity activity) {
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mActivity = activity;
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}
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@Override
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public boolean dispatchKeyEventPreIme(KeyEvent event) {
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if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
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KeyEvent.DispatcherState state = getKeyDispatcherState();
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if (state != null) {
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if (event.getAction() == KeyEvent.ACTION_DOWN
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&& event.getRepeatCount() == 0) {
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state.startTracking(event, this);
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return true;
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} else if (event.getAction() == KeyEvent.ACTION_UP
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&& !event.isCanceled() && state.isTracking(event)) {
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mActivity.onBackPressed();
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return true;
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}
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}
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}
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return super.dispatchKeyEventPreIme(event);
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}
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}
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