Android开发之对话框案例详解(五种对话框)

//弹出普通对话框  
  public void showNormalDialog(View v) { 
    AlertDialog.Builder builder = new Builder(this); 
    //设置Dialog的图标 
    builder.setIcon(R.drawable.ic_launcher); 
    //设置对话框的标题 
    builder.setTitle("更新"); 
    //设置message 
    builder.setMessage("发现新版本是否更新？"); 
    //确定按钮  取消按钮 
    builder.setPositiveButton("确定",new OnClickListener() { 
      /** 
       * 点击确定按钮 回调该方法 
       */ 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        //到服务器去下载新的版本 duration单词意思：时长 
        Toast.makeText(MainActivity.this, "开始下载新版本", Toast.LENGTH_SHORT).show(); 
      } 
    }); 
    builder.setNegativeButton("取消", new OnClickListener() { 
      /** 
       * 点击取消按钮 回调该方法 
       */ 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        //到服务器去下载新的版本 duration单词意思：时长 
        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) { 
        //到服务器去下载新的版本 duration单词意思：时长 
        Toast.makeText(MainActivity.this, "下一次吧", Toast.LENGTH_SHORT).show(); 
      } 
    }); 
    //通过建造这老构建一个对话框 
    Dialog dialog = builder.create(); 
    //显示 
    dialog.show(); 
  } 

//自定义对话框 
  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); 
    // 设置自定义的对话框界面 
    builder.setView(view); 
    // 获取用户名密码 
    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 自动生成的方法存根 
        if(name.getText().toString().trim().equals("abc")){ 
          showToastMsg("用户名正确"); 
          // 对话框消失 
          cus_dialog.dismiss(); 
        } 
        else{ 
          showToastMsg("用户名错误"); 
        } 
      } 
    }); 
    Button btnCancel = (Button) view.findViewById(R.id.btn_cancel); 
    btnCancel.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
        // 对话框消失 
        cus_dialog.dismiss(); 
      } 
    }); 
    cus_dialog = builder.create(); 
    cus_dialog.show(); 
  } 

// 时间选择对话框 
public void showTimePickerDialog(View v){ 
  Calendar sysDate = Calendar.getInstance(); 
  //设置系统时间 
  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 自动生成的方法存根 
          showToastMsg(" hourOfDay:" + hourOfDay + " minute:" + minute); 
        } 
      }, //callBack 选择时间后的回调方法 
      hour,//hourOfDay 当前系统时间 
      minute,//hourOfDay 当前系统时间 
      true);//是否24小时制 
  time.show(); 
} 

/** 
   * 进度条对话框 
   * @param v 
   */ 
  public void showProgressDialog(View v){ 
    final ProgressDialog progress = new ProgressDialog(this); 
    progress.setProgress(R.drawable.img2); 
    progress.setTitle("标题"); 
    progress.setMessage("加载中..."); 
    //样式1 进度条样式 
    progress.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL); 
    //样式2 有加载图标 
    //progress.setProgressStyle(ProgressDialog.STYLE_SPINNER); 
    //最大 
    progress.setMax(100); 
    //当前 
    progress.setProgress(50); 
    progress.setButton("确定", new OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        // TODO 自动生成的方法存根 
        showToastMsg("确定按钮"); 
      } 
    }); 
    progress.setButton2("取消", new OnClickListener() { 
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        // TODO 自动生成的方法存根 
        showToastMsg("取消按钮"); 
      } 
    }); 
    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);  
            // 更新进度条的进度,可以在子线程中更新进度条进度  
            progress.incrementProgressBy(5);  
            // progress.incrementSecondaryProgressBy(10);//二级进度条更新方式  
            i += 5;  
          } catch (Exception e) {  
            // TODO: handle exception  
          }  
        }  
        // 在进度条走完时删除Dialog  
        progress.dismiss();  
      }  
    }).start();  
  } 

Button btn_popu; 
  //popuWindow对话框 
  public void showPopuWindow(View v){ 
    btn_popu = (Button) v; 
    // 设置布局 
    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]; 
    // 获取按钮坐标 
    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 自动生成的方法存根 
        showToastMsg("点击了启动"); 
      } 
    }); 
  }