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* <td >The Alert Dialog Samples implementation * </tr> * <tr> * <td >/res/any/layout/alert_dialog.xml * <td >Defines contents of the screen * </tr> * </table> */ public class AlertDialogSamples extends Activity { private static final int DIALOG_YES_NO_MESSAGE = 1; private static final int DIALOG_YES_NO_LONG_MESSAGE = 2; private static final int DIALOG_LIST = 3; private static final int DIALOG_PROGRESS = 4; private static final int DIALOG_SINGLE_CHOICE = 5; private static final int DIALOG_MULTIPLE_CHOICE = 6; private static final int DIALOG_TEXT_ENTRY = 7; private static final int MAX_PROGRESS = 100; private ProgressDialog mProgressDialog; private int mProgress; private Handler mProgressHandler; @Override protected Dialog onCreateDialog(int id) { switch (id) { case DIALOG_YES_NO_MESSAGE: return new AlertDialog.Builder(AlertDialogSamples.this) .setIcon(R.drawable.alert_dialog_icon) .setTitle(R.string.alert_dialog_two_buttons_title) .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked OK so do some stuff */ } }) .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked Cancel so do some stuff */ } }) .create(); case DIALOG_YES_NO_LONG_MESSAGE: return new AlertDialog.Builder(AlertDialogSamples.this) .setIcon(R.drawable.alert_dialog_icon) .setTitle(R.string.alert_dialog_two_buttons_msg) .setMessage(R.string.alert_dialog_two_buttons2_msg) .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked OK so do some stuff */ } }) .setNeutralButton(R.string.alert_dialog_something, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked Something so do some stuff */ } }) .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked Cancel so do some stuff */ } }) .create(); case DIALOG_LIST: return new AlertDialog.Builder(AlertDialogSamples.this) .setTitle(R.string.select_dialog) .setItems(R.array.select_dialog_items, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { /* User clicked so do some stuff */ String[] items = getResources().getStringArray(R.array.select_dialog_items); new AlertDialog.Builder(AlertDialogSamples.this) .setMessage("You selected: " + which + " , " + items[which]) .show(); } }) .create(); case DIALOG_PROGRESS: mProgressDialog = new ProgressDialog(AlertDialogSamples.this); mProgressDialog.setIcon(R.drawable.alert_dialog_icon); mProgressDialog.setTitle(R.string.select_dialog); mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); mProgressDialog.setMax(MAX_PROGRESS); mProgressDialog.setButton(getText(R.string.alert_dialog_hide), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked Yes so do some stuff */ } }); mProgressDialog.setButton2(getText(R.string.alert_dialog_cancel), new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked No so do some stuff */ } }); return mProgressDialog; case DIALOG_SINGLE_CHOICE: return new AlertDialog.Builder(AlertDialogSamples.this) .setIcon(R.drawable.alert_dialog_icon) .setTitle(R.string.alert_dialog_single_choice) .setSingleChoiceItems(R.array.select_dialog_items2, 0, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked on a radio button do some stuff */ } }) .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked Yes so do some stuff */ } }) .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked No so do some stuff */ } }) .create(); case DIALOG_MULTIPLE_CHOICE: return new AlertDialog.Builder(AlertDialogSamples.this) .setIcon(R.drawable.ic_popup_reminder) .setTitle(R.string.alert_dialog_multi_choice) .setMultiChoiceItems(R.array.select_dialog_items3, new boolean[]{false, true, false, true, false, false, false}, new DialogInterface.OnMultiChoiceClickListener() { public void onClick(DialogInterface dialog, int whichButton, boolean isChecked) { /* User clicked on a check box do some stuff */ } }) .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked Yes so do some stuff */ } }) .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked No so do some stuff */ } }) .create(); case DIALOG_TEXT_ENTRY: // This example shows how to add a custom layout to an AlertDialog LayoutInflater factory = LayoutInflater.from(this); final View textEntryView = factory.inflate(R.layout.alert_dialog_text_entry, null); return new AlertDialog.Builder(AlertDialogSamples.this) .setIcon(R.drawable.alert_dialog_icon) .setTitle(R.string.alert_dialog_text_entry) .setView(textEntryView) .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked OK so do some stuff */ } }) .setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { /* User clicked cancel so do some stuff */ } }) .create(); } return null; } /** * Initialization of the Activity after it is first created. Must at least * call {@link android.app.Activity#setContentView(int)} to * describe what is to be displayed in the screen. */ @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.alert_dialog); /* Display a text message with yes/no buttons and handle each message as well as the cancel action */ Button twoButtonsTitle = (Button) findViewById(R.id.two_buttons); twoButtonsTitle.setOnClickListener(new OnClickListener() { public void onClick(View v) { showDialog(DIALOG_YES_NO_MESSAGE); } }); /* Display a long text message with yes/no buttons and handle each message as well as the cancel action */ Button twoButtons2Title = (Button) findViewById(R.id.two_buttons2); twoButtons2Title.setOnClickListener(new OnClickListener() { public void onClick(View v) { showDialog(DIALOG_YES_NO_LONG_MESSAGE); } }); /* Display a list of items */ Button selectButton = (Button) findViewById(R.id.select_button); selectButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { showDialog(DIALOG_LIST); } }); /* Display a custom progress bar */ Button progressButton = (Button) findViewById(R.id.progress_button); progressButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { showDialog(DIALOG_PROGRESS); mProgress = 0; mProgressDialog.setProgress(0); mProgressHandler.sendEmptyMessage(0); } }); /* Display a radio button group */ Button radioButton = (Button) findViewById(R.id.radio_button); radioButton.setOnClickListener(new OnClickListener() { public void onClick(View v) { showDialog(DIALOG_SINGLE_CHOICE); } }); /* Display a list of checkboxes */ Button checkBox = (Button) findViewById(R.id.checkbox_button); checkBox.setOnClickListener(new OnClickListener() { public void onClick(View v) { showDialog(DIALOG_MULTIPLE_CHOICE); } }); /* Display a text entry dialog */ Button textEntry = (Button) findViewById(R.id.text_entry_button); textEntry.setOnClickListener(new OnClickListener() { public void onClick(View v) { showDialog(DIALOG_TEXT_ENTRY); } }); mProgressHandler = new Handler() { @Override public void handleMessage(Message msg) { super.handleMessage(msg); if (mProgress >= MAX_PROGRESS) { mProgressDialog.dismiss(); } else { mProgress++; mProgressDialog.incrementProgressBy(1); mProgressHandler.sendEmptyMessageDelayed(0, 100); } } }; } }

Other Android examples (source code examples)

Here is a short list of links related to this Android AlertDialogSamples.java source code file:

Android example source code file (AlertDialogSamples.java)

This example Android source code file (AlertDialogSamples.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, alertdialogsamples, android, app, application, button, dialog_list, dialog_multiple_choice, dialog_progress, dialog_single_choice, dialog_text_entry, dialog_yes_no_long_message, dialog_yes_no_message, handler, max_progress, onclicklistener, os, override, ui, view

The AlertDialogSamples.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;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

import com.example.android.apis.R;

/**
 * Example of how to use an {@link android.app.AlertDialog}.
 * <h3>AlertDialogSamples

<p>This demonstrates the different ways the AlertDialog can be used.

<h4>Demo App/Dialog/Alert Dialog <h4>Source files * <table class="LinkTable"> * <tr> * <td >src/com.example.android.apis/app/AlertDialogSamples.java
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