1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.apis.view; 18 19 import com.example.android.apis.R; 20 21 import android.app.Activity; 22 import android.app.Dialog; 23 import android.app.ProgressDialog; 24 import android.os.Bundle; 25 import android.view.View; 26 import android.widget.Button; 27 28 /** 29 * Demonstrates the use of progress dialogs. Uses {@link Activity#onCreateDialog} 30 * and {@link Activity#showDialog} to ensure the dialogs will be properly saved 31 * and restored. 32 */ 33 public class ProgressBar3 extends Activity { 34 35 ProgressDialog mDialog1; 36 ProgressDialog mDialog2; 37 38 private static final int DIALOG1_KEY = 0; 39 private static final int DIALOG2_KEY = 1; 40 41 42 @Override onCreate(Bundle savedInstanceState)43 protected void onCreate(Bundle savedInstanceState) { 44 super.onCreate(savedInstanceState); 45 46 setContentView(R.layout.progressbar_3); 47 48 Button button = (Button) findViewById(R.id.showIndeterminate); 49 button.setOnClickListener(new View.OnClickListener() { 50 public void onClick(View v) { 51 showDialog(DIALOG1_KEY); 52 } 53 }); 54 55 button = (Button) findViewById(R.id.showIndeterminateNoTitle); 56 button.setOnClickListener(new View.OnClickListener() { 57 public void onClick(View v) { 58 showDialog(DIALOG2_KEY); 59 } 60 }); 61 } 62 63 @Override onCreateDialog(int id)64 protected Dialog onCreateDialog(int id) { 65 switch (id) { 66 case DIALOG1_KEY: { 67 ProgressDialog dialog = new ProgressDialog(this); 68 dialog.setTitle("Indeterminate"); 69 dialog.setMessage("Please wait while loading..."); 70 dialog.setIndeterminate(true); 71 dialog.setCancelable(true); 72 return dialog; 73 } 74 case DIALOG2_KEY: { 75 ProgressDialog dialog = new ProgressDialog(this); 76 dialog.setMessage("Please wait while loading..."); 77 dialog.setIndeterminate(true); 78 dialog.setCancelable(true); 79 return dialog; 80 } 81 } 82 return null; 83 } 84 } 85