public class MainActivity extends Activity {  final static int MAX_PROGRESS = 100;  //虛擬 填充長度為100的數組  private int[] data = new int[50];  //記錄進度對話框完成百分比  int progressStatus = 0;  int hasDta = 0;  ProgressDialog progressDialog01,progressDialog02;  private Button buttonDate;  private Button buttonTime;  //創建一個負責更新進度的Handler  Handler mHandler = new Handler(){    @Override    public void handleMessage(Message msg) {      //表明消息是本程序發送的      if (msg.what == 0x111){        progressDialog02.setProgress(progressStatus);      }    }  };  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    buttonDate = (Button) findViewById(R.id.dataBn);    buttonTime = (Button) findViewById(R.id.timeBn);    iniClick();//Binding the listeners for you program  }  public void showSpinner(View source){    //用靜態方法顯示環形進度條    ProgressDialog.show(this,"任務執行中","熱內執行中 請等待...",false,true);  }  public void showIndeterminate(View source){    progressDialog01 = new ProgressDialog(MainActivity.this);    //設置對話框標題    progressDialog01.setTitle("任務正在執行中");    //設置對話框執行內容    progressDialog01.setMessage("任務正在執行中敬請等待~~~");    //設置對話框“取消” 按鈕關閉    progressDialog01.setCancelable(true);    //設置對話框進度條風格    progressDialog01.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);    //設置進度條是否顯示進度    progressDialog01.setIndeterminate(true);    progressDialog01.show();  }  public void showProgress(View source){    //將進度條完成重設為0    progressStatus = 0;    //重新開始填充數組    hasDta = 0;    progressDialog02 = new ProgressDialog(MainActivity.this);    progressDialog02.setMax(MAX_PROGRESS);    //設置對話框標題    progressDialog02.setTitle("任務正在執行中");    //設置對話框執行內容    progressDialog02.setMessage("任務正在執行中敬請等待~~~");    //設置對話框“取消” 按鈕關閉    progressDialog02.setCancelable(false);    //設置對話框進度條風格    progressDialog02.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);    //設置進度條是否顯示進度    progressDialog02.setIndeterminate(false);    progressDialog02.show();    new Thread(){//模擬耗時操作      @Override      public void run() {        while (progressStatus < MAX_PROGRESS){          //bar1獲取完成工作的百分比          progressStatus += (int) (Math.random()*15);          try{            Thread.sleep(1000);          }catch (InterruptedException e){            e.printStackTrace();          }          //更新ProgressBar          mHandler.sendEmptyMessage(0x111);        }        //任務完成進度條關閉        progressDialog02.dismiss();      }    }.start();  }  public void iniClick(){    //set listener for your Date button    buttonDate.setOnClickListener(new View.OnClickListener() {      @Override      public void onClick(View v) {        showIndeterminate(MainActivity.this.getWindow().getDecorView());      }    });    //set listener for your Time button    buttonTime.setOnClickListener(new View.OnClickListener() {      @Override      public void onClick(View v) {        showProgress(MainActivity.this.getWindow().getDecorView());      }    });  }}

<?xml version="1.0" encoding="utf-8" ?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  android:id="@+id/idtatabHost"  android:layout_width="match_parent"  android:layout_height="match_parent"  android:orientation="horizontal"  android:layout_weight="1">  <Button    android:id="@+id/dataBn"    android:text="一般進度條"    android:layout_width="0dp"    android:layout_weight="1"    android:layout_height="wrap_content" />  <Button    android:id="@+id/timeBn"    android:text="帶耗時進度條"    android:layout_width="0dp"    android:layout_weight="1"    android:layout_height="wrap_content" /></LinearLayout>