<td class="DescrColumn">Launches pick activity and receives its result </tr> <tr> <td class="LinkColumn">src/com.example.android.apis/app/SendResult.java <td class="DescrColumn">Allows user to pick an option and sends it back to its caller </tr> <tr> <td class="LinkColumn">/res/any/layout/receive_result.xml <td class="DescrColumn">Defines contents of the ReceiveResult screen </tr> <tr> <td class="LinkColumn">/res/any/layout/send_result.xml <td class="DescrColumn">Defines contents of the SendResult screen </tr> </table> */ public class ReceiveResult 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.receive_result); // Retrieve the TextView widget that will display results. mResults = (TextView)findViewById(R.id.results); // This allows us to later extend the text buffer. mResults.setText(mResults.getText(), TextView.BufferType.EDITABLE); // Watch for button clicks. Button getButton = (Button)findViewById(R.id.get); getButton.setOnClickListener(mGetListener); } /** * This method is called when the sending activity has finished, with the * result it supplied. * * @param requestCode The original request code as given to * startActivity(). * @param resultCode From sending activity as per setResult(). * @param data From sending activity as per setResult(). */ @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { // You can use the requestCode to select between multiple child // activities you may have started. Here there is only one thing // we launch. if (requestCode == GET_CODE) { // We will be adding to our text. Editable text = (Editable)mResults.getText(); // This is a standard resultCode that is sent back if the // activity doesn't supply an explicit result. It will also // be returned if the activity failed to launch. if (resultCode == RESULT_CANCELED) { text.append("(cancelled)"); // Our protocol with the sending activity is that it will send // text in 'data' as its result. } else { text.append("(okay "); text.append(Integer.toString(resultCode)); text.append(") "); if (data != null) { text.append(data.getAction()); } } text.append("\n"); } } // Definition of the one requestCode we use for receiving resuls. static final private int GET_CODE = 0; private OnClickListener mGetListener = new OnClickListener() { public void onClick(View v) { // Start the activity whose result we want to retrieve. The // result will come back with request code GET_CODE. Intent intent = new Intent(ReceiveResult.this, SendResult.class); startActivityForResult(intent, GET_CODE); } }; private TextView mResults; }

Android example source code file (ReceiveResult.java) This example Android source code file (ReceiveResult.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM. Java - Android tags/keywords activity, android, button, content, editable, get_code, intent, onclicklistener, os, override, receiveresult, result_canceled, textview, ui, util, widget The ReceiveResult.java Android example source code /* * Copyright (C) 2007 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.example.android.apis.app; // Need the following import to get access to the app resources, since this // class is in a sub-package. import java.util.Map; import com.example.android.apis.R; import android.app.Activity; import android.content.Intent; import android.text.Editable; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; import java.util.Map; /** * Shows how an activity can send data to its launching activity when done.y. * <p>This can be used, for example, to implement a dialog alowing the user to pick an e-mail address or image -- the picking activity sends the selected data back to the originating activity when done.</p> <p>The example here is composed of two activities: ReceiveResult launches the picking activity and receives its results; SendResult allows the user to pick something and sends the selection back to its caller. Implementing this functionality involves the {@link android.app.Activity#setResult setResult()} method for sending a result and {@link android.app.Activity#onActivityResult onActivityResult()} to receive it.</p> <h4>Demo App/Activity/Receive Result <h4>Source files <table class="LinkTable"> <tr> <td class="LinkColumn">src/com.example.android.apis/app/ReceiveResult.java

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