Android攻城狮 progressBar&progressDialog

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