/* * 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.view;import com.example.android.apis.R;import android.app.Activity;import android.app.Dialog;import android.app.ProgressDialog;import android.os.Bundle;import android.view.View;import android.widget.Button;/** * Demonstrates the use of progress dialogs.  Uses {@link Activity#onCreateDialog} * and {@link Activity#showDialog} to ensure the dialogs will be properly saved * and restored. */public class ProgressBar3 extends Activity {    ProgressDialog mDialog1;    ProgressDialog mDialog2;    private static final int DIALOG1_KEY = 0;    private static final int DIALOG2_KEY = 1;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.progressbar_3);        Button button = (Button) findViewById(R.id.showIndeterminate);        button.setOnClickListener(new View.OnClickListener() {            public void onClick(View v) {                showDialog(DIALOG1_KEY);            }        });        button = (Button) findViewById(R.id.showIndeterminateNoTitle);        button.setOnClickListener(new View.OnClickListener() {            public void onClick(View v) {                showDialog(DIALOG2_KEY);            }        });    }    @Override    protected Dialog onCreateDialog(int id) {        switch (id) {            case DIALOG1_KEY: {                ProgressDialog dialog = new ProgressDialog(this);                dialog.setTitle("Indeterminate");                dialog.setMessage("Please wait while loading...");                dialog.setIndeterminate(true);                dialog.setCancelable(true);                return dialog;            }            case DIALOG2_KEY: {                ProgressDialog dialog = new ProgressDialog(this);                dialog.setMessage("Please wait while loading...");                dialog.setIndeterminate(true);                dialog.setCancelable(true);                return dialog;            }        }        return null;    }}