//彈出普通對(duì)話框  
  public void showNormalDialog(View v) { 
    AlertDialog.Builder builder = new Builder(this); 
    //設(shè)置Dialog的圖標(biāo) 
    builder.setIcon(R.drawable.ic_launcher); 
    //設(shè)置對(duì)話框的標(biāo)題 
    builder.setTitle("更新"); 
    //設(shè)置message 
    builder.setMessage("發(fā)現(xiàn)新版本是否更新？"); 
    //確定按鈕  取消按鈕 
    builder.setPositiveButton("確定",new OnClickListener() { 
      /** 
       * 點(diǎn)擊確定按鈕 回調(diào)該方法 
       */ 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        //到服務(wù)器去下載新的版本 duration單詞意思：時(shí)長(zhǎng) 
        Toast.makeText(MainActivity.this, "開始下載新版本", Toast.LENGTH_SHORT).show(); 
      } 
    }); 
    builder.setNegativeButton("取消", new OnClickListener() { 
      /** 
       * 點(diǎn)擊取消按鈕 回調(diào)該方法 
       */ 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        //到服務(wù)器去下載新的版本 duration單詞意思：時(shí)長(zhǎng) 
        Toast.makeText(MainActivity.this, "不需要更新", Toast.LENGTH_SHORT).show(); 
      } 
    }); 
    builder.setNeutralButton("下一次", new OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        //到服務(wù)器去下載新的版本 duration單詞意思：時(shí)長(zhǎng) 
        Toast.makeText(MainActivity.this, "下一次吧", Toast.LENGTH_SHORT).show(); 
      } 
    }); 
    //通過建造這老構(gòu)建一個(gè)對(duì)話框 
    Dialog dialog = builder.create(); 
    //顯示 
    dialog.show(); 
  } 

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent" 
  android:padding="10dip" 
  android:orientation="vertical" > 
  <TextView 
      android:id="@+id/tv_title" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      android:text="登錄信息" 
      android:gravity="center" 
      android:textAppearance="?android:attr/textAppearanceLarge" /> 
  <TextView 
    android:id="@+id/tv_name" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="用戶名:" /> 
  <EditText android:id="@+id/et_name" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:hint="請(qǐng)輸入用戶名"/> 
  <TextView 
    android:id="@+id/tv_pwd" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:text="密 碼:" /> 
  <EditText android:id="@+id/et_pwd" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:inputType="textPassword" 
    android:hint="請(qǐng)輸入密碼"/> 
    <requestFocus /> 
    <Button 
      android:id="@+id/btn_confirm" 
      android:layout_width="150dip" 
      android:layout_height="wrap_content" 
      android:layout_gravity="center" 
      android:text="登錄" /> 
    <Button 
      android:id="@+id/btn_cancel" 
      android:layout_width="150dip" 
      android:layout_height="wrap_content" 
      android:layout_gravity="center" 
      android:text="取消" /> 
</LinearLayout> 

//自定義對(duì)話框 
  Dialog cus_dialog ; 
  public void showCustomDialog(View v){ 
    AlertDialog.Builder builder = new Builder(this); 
    // 布局填充器 
    LayoutInflater inflater = LayoutInflater.from(this); 
    View view = inflater.inflate(R.layout.user_name_dialog, null); 
    // 設(shè)置自定義的對(duì)話框界面 
    builder.setView(view); 
    // 獲取用戶名密碼 
    final EditText name = (EditText) view.findViewById(R.id.et_name); 
    final EditText pwd = (EditText) view.findViewById(R.id.et_pwd); 
    Button btn_confirm = (Button) view.findViewById(R.id.btn_confirm); 
    btn_confirm.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
        // TODO 自動(dòng)生成的方法存根 
        if(name.getText().toString().trim().equals("abc")){ 
          showToastMsg("用戶名正確"); 
          // 對(duì)話框消失 
          cus_dialog.dismiss(); 
        } 
        else{ 
          showToastMsg("用戶名錯(cuò)誤"); 
        } 
      } 
    }); 
    Button btnCancel = (Button) view.findViewById(R.id.btn_cancel); 
    btnCancel.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
        // 對(duì)話框消失 
        cus_dialog.dismiss(); 
      } 
    }); 
    cus_dialog = builder.create(); 
    cus_dialog.show(); 
  } 

// 時(shí)間選擇對(duì)話框 
public void showTimePickerDialog(View v){ 
  Calendar sysDate = Calendar.getInstance(); 
  //設(shè)置系統(tǒng)時(shí)間 
  sysDate.setTimeInMillis(System.currentTimeMillis()); 
  int hour = sysDate.get(Calendar.HOUR_OF_DAY); 
  int minute = sysDate.get(Calendar.MINUTE); 
  TimePickerDialog time = new TimePickerDialog(this, 
      new OnTimeSetListener() { 
        @Override 
        public void onTimeSet(TimePicker view, int hourOfDay, int minute) { 
          // TODO 自動(dòng)生成的方法存根 
          showToastMsg(" hourOfDay:" + hourOfDay + " minute:" + minute); 
        } 
      }, //callBack 選擇時(shí)間后的回調(diào)方法 
      hour,//hourOfDay 當(dāng)前系統(tǒng)時(shí)間 
      minute,//hourOfDay 當(dāng)前系統(tǒng)時(shí)間 
      true);//是否24小時(shí)制 
  time.show(); 
} 

/** 
   * 進(jìn)度條對(duì)話框 
   * @param v 
   */ 
  public void showProgressDialog(View v){ 
    final ProgressDialog progress = new ProgressDialog(this); 
    progress.setProgress(R.drawable.img2); 
    progress.setTitle("標(biāo)題"); 
    progress.setMessage("加載中..."); 
    //樣式1 進(jìn)度條樣式 
    progress.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); 
    //樣式2 有加載圖標(biāo) 
    //progress.setProgressStyle(ProgressDialog.STYLE_SPINNER); 
    //最大 
    progress.setMax(100); 
    //當(dāng)前 
    progress.setProgress(50); 
    progress.setButton("確定", new OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        // TODO 自動(dòng)生成的方法存根 
        showToastMsg("確定按鈕"); 
      } 
    }); 
    progress.setButton2("取消", new OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        // TODO 自動(dòng)生成的方法存根 
        showToastMsg("取消按鈕"); 
      } 
    }); 
    progress.show();  
    new Thread(new Runnable() {  
      @Override  
      public void run() {  
        // TODO Auto-generated method stub  
        int i = 0;  
        while (i < 100) {  
          try {  
            Thread.sleep(200);  
            // 更新進(jìn)度條的進(jìn)度,可以在子線程中更新進(jìn)度條進(jìn)度  
            progress.incrementProgressBy(5);  
            // progress.incrementSecondaryProgressBy(10);//二級(jí)進(jìn)度條更新方式  
            i += 5;  
          } catch (Exception e) {  
            // TODO: handle exception  
          }  
        }  
        // 在進(jìn)度條走完時(shí)刪除Dialog  
        progress.dismiss();  
      }  
    }).start();  
  } 

Button btn_popu; 
  //popuWindow對(duì)話框 
  public void showPopuWindow(View v){ 
    btn_popu = (Button) v; 
    // 設(shè)置布局 
    View view = LayoutInflater.from(this).inflate(R.layout.pop_window, null); 
    PopupWindow window = new PopupWindow(this); 
    window.setContentView(view); 
    window.setWidth(360); 
    window.setHeight(200); 
    int[] location = new int[2]; 
    // 獲取按鈕坐標(biāo) 
    btn_popu.getLocationInWindow(location); 
    window.setFocusable(true); 
    window.setBackgroundDrawable(getResources().getDrawable(R.drawable.back_null)); 
    window.showAtLocation(btn_popu, Gravity.LEFT |Gravity.TOP , location[0]+ btn_popu.getWidth(), location[1] + 0 ); 
    //showToastMsg("" + (location[0]+ btn_popu.getWidth())+"  "+ (location[1] + btn_popu.getHeight() / 2)); 
    ImageView img_start = (ImageView) view.findViewById(R.id.img_start); 
    img_start.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
        // TODO 自動(dòng)生成的方法存根 
        showToastMsg("點(diǎn)擊了啟動(dòng)"); 
      } 
    }); 
  }