1 /进度条： 监听和ProgressDialog对话框
  2 //控制进度条的增加，减少，重置
  3
  4
  5 public class MainActivity extends Activity implements OnClickListener {
  6     private ProgressBar progressBar, progressBar2;
  7     private TextView textView;
  8     private Button add, reduce, reset;
  9     private ProgressDialog progressDialog;
 10     private Button button;
 11
 12     @Override
 13     protected void onCreate(Bundle savedInstanceState) {
 14         super.onCreate(savedInstanceState);
 15         //-----------标题栏的进度条----------------
 16         //启用窗口特征，启用带进度和不带进度的进度条
 17         requestWindowFeature(Window.FEATURE_PROGRESS);
 18         requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 19         setContentView(R.layout.fragment_main);
 20         //显示两种进度条
 21         setProgressBarVisibility(true);
 22         setProgressBarIndeterminateVisibility(true);
 23         //max=10000
 24         setProgress(8000);
 25         //--------------------progressBar------------------------
 26
 27         progressBar = (ProgressBar) findViewById(R.id.progressBar1);
 28         progressBar2 = (ProgressBar) findViewById(R.id.progressBar2);
 29         textView = (TextView) findViewById(R.id.textView1);
 30         add = (Button) findViewById(R.id.add);
 31         reduce = (Button) findViewById(R.id.reduce);
 32         reset = (Button) findViewById(R.id.reset);
 33
 34         button = (Button) findViewById(R.id.button1);
 35         button.setOnClickListener(this);
 36
 37         // 获取第一条进度条的进度----正在播放时的
 38         int first = progressBar2.getProgress();
 39
 40         // 获取第二条进度条的进度----缓冲
 41         int second = progressBar2.getSecondaryProgress();
 42         // 获取进度条最大进度
 43         int max = progressBar2.getMax();
 44         textView.setText("第一进度百分百："
 45                 + (int) (first / (float) max * 100) + "%"
 46                 + (int) (second / (float) max * 100) + "%");
 47         add.setOnClickListener(this);
 48         reduce.setOnClickListener(this);
 49         reset.setOnClickListener(this);
 50     }
 51
 52     @Override
 53     public void onClick(View v) {
 54         // TODO Auto-generated method stub
 55         switch (v.getId()) {
 56         case R.id.add: {
 57             // 增加第一进度第二进度10刻度
 58             progressBar2.incrementProgressBy(10);
 59             progressBar2.incrementSecondaryProgressBy(10);
 60             break;
 61         }
 62
 63         case R.id.reduce: {
 64             // 减少第一进度第二进度10刻度
 65             progressBar2.incrementProgressBy(-10);
 66             progressBar2.incrementSecondaryProgressBy(-10);
 67             break;
 68         }
 69
 70         case R.id.reset: {
 71             progressBar2.setProgress(50);
 72             progressBar2.setSecondaryProgress(80);
 73             break;
 74         }
 75         case R.id.button1: {
 76             // 页面风格：
 77             // 1.新建progressDialog对象
 78             progressDialog = new ProgressDialog(MainActivity.this);
 79             progressDialog.setProgressStyle(progressDialog.STYLE_HORIZONTAL);
 80             // 设置标题
 81             progressDialog.setTitle("下载；");
 82             // 设置对话框里的文字信息
 83             progressDialog.setMessage("欢迎大家下载");
 84             // 设置图标
 85             progressDialog.setIcon(R.drawable.ic_launcher);
 86
 87             // progreBar的一些属性
 88             progressDialog.setMax(100);
 89             // 设置初始化的进度
 90             progressDialog.incrementProgressBy(50);
 91             // 进度条是明确显示进度的
 92             progressDialog.setIndeterminate(false);
 93             // 设置一个确定按钮
 94             progressDialog.setButton(DialogInterface.BUTTON_POSITIVE, "确定",
 95                     new DialogInterface.OnClickListener() {
 96
 97                         @Override
 98                         public void onClick(DialogInterface dialog, int which) {
 99                             // TODO Auto-generated method stub
100                             Toast.makeText(MainActivity.this, "hahahha,你来了", 1)
101                                     .show();
102                         }
103                     });
104             // 是否可以通过返回按钮退出对话框
105             progressDialog.setCancelable(true);
106             // 显示progressDialog
107             progressDialog.show();
108             break;
109         }
110         }
111         textView.setText("第一进度百分百："
112                 + (int) (progressBar2.getProgress()/ (float) progressBar2.getMax() * 100)
113                 + "%"
114                 + (int) (progressBar2.getSecondaryProgress()/ (float) progressBar2.getMax() * 100) + "%");
115     }
116
117 }