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.widget.Button;
23 import android.widget.ProgressBar;
24 import android.os.Bundle;
25 import android.view.View;
26 import android.view.Window;
27 
28 
29 /**
30  * Demonstrates how to use progress bars as widgets and in the title bar.  The progress bar
31  * in the title will be shown until the progress is complete, at which point it fades away.
32  */
33 public class ProgressBar1 extends Activity {
34     @Override
onCreate(Bundle savedInstanceState)35     protected void onCreate(Bundle savedInstanceState) {
36         super.onCreate(savedInstanceState);
37 
38         // Request the progress bar to be shown in the title
39         requestWindowFeature(Window.FEATURE_PROGRESS);
40         setContentView(R.layout.progressbar_1);
41         setProgressBarVisibility(true);
42 
43         final ProgressBar progressHorizontal = (ProgressBar) findViewById(R.id.progress_horizontal);
44         setProgress(progressHorizontal.getProgress() * 100);
45         setSecondaryProgress(progressHorizontal.getSecondaryProgress() * 100);
46 
47         Button button = (Button) findViewById(R.id.increase);
48         button.setOnClickListener(new Button.OnClickListener() {
49             public void onClick(View v) {
50                 progressHorizontal.incrementProgressBy(1);
51                 // Title progress is in range 0..10000
52                 setProgress(100 * progressHorizontal.getProgress());
53             }
54         });
55 
56         button = (Button) findViewById(R.id.decrease);
57         button.setOnClickListener(new Button.OnClickListener() {
58             public void onClick(View v) {
59                 progressHorizontal.incrementProgressBy(-1);
60                 // Title progress is in range 0..10000
61                 setProgress(100 * progressHorizontal.getProgress());
62             }
63         });
64 
65         button = (Button) findViewById(R.id.increase_secondary);
66         button.setOnClickListener(new Button.OnClickListener() {
67             public void onClick(View v) {
68                 progressHorizontal.incrementSecondaryProgressBy(1);
69                 // Title progress is in range 0..10000
70                 setSecondaryProgress(100 * progressHorizontal.getSecondaryProgress());
71             }
72         });
73 
74         button = (Button) findViewById(R.id.decrease_secondary);
75         button.setOnClickListener(new Button.OnClickListener() {
76             public void onClick(View v) {
77                 progressHorizontal.incrementSecondaryProgressBy(-1);
78                 // Title progress is in range 0..10000
79                 setSecondaryProgress(100 * progressHorizontal.getSecondaryProgress());
80             }
81         });
82 
83     }
84 }
85