Java tutorial
/* Copyright 2015 Skubit * * 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.skubit.satoshidice.placebet; import android.content.Context; import android.content.Intent; import android.support.v4.content.LocalBroadcastManager; import android.util.AttributeSet; import android.view.KeyEvent; import android.widget.EditText; public class BetEditText extends EditText { private Intent mEventIntent; public BetEditText(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } public BetEditText(Context context, AttributeSet attrs) { super(context, attrs); } public BetEditText(Context context) { super(context); } public void setEventIntent(Intent intent) { mEventIntent = intent; } @Override public boolean onKeyPreIme(int keyCode, KeyEvent event) { if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) { if (mEventIntent != null) { LocalBroadcastManager.getInstance(this.getContext()).sendBroadcast(mEventIntent); } return true; } return super.onKeyPreIme(keyCode, event); } }