The file containing the source code shown below is located in the corresponding directory in <sdk>/samples/android-<version>/...
/* * Copyright (C) 2007 The Android开源工程 * * 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.example.android.supportv4.app; // Need the following import to get access to the app resources, since this // class is in a sub-package. import com.example.android.supportv4.R; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; /** * Example of receiving a result from another activity. */ public class SendResult extends Activity { /** * Initialization of the Activity after it is first created. Must at least * call {@link android.app.Activity#setContentView setContentView()} to * describe what is to be displayed in the screen. */ @Override protected void onCreate(Bundle savedInstanceState) { // Be sure to call the super class. super.onCreate(savedInstanceState); // See assets/res/any/layout/hello_world.xml for this // view layout definition, which is being set here as // the content of our screen. setContentView(R.layout.send_result); // Watch for button clicks. Button button = (Button)findViewById(R.id.corky); button.setOnClickListener(mCorkyListener); button = (Button)findViewById(R.id.violet); button.setOnClickListener(mVioletListener); } private OnClickListener mCorkyListener = new OnClickListener() { public void onClick(View v) { // To send a result, simply call setResult() before your // activity is finished. setResult(RESULT_OK, (new Intent()).setAction("Corky!")); finish(); } }; private OnClickListener mVioletListener = new OnClickListener() { public void onClick(View v) { // To send a result, simply call setResult() before your // activity is finished. setResult(RESULT_OK, (new Intent()).setAction("Violet!")); finish(); } }; }