private void select3_Dialog(String s ){	    amount = s;		LayoutInflater inflater =  (LayoutInflater)this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);		View view_P = inflater.inflate(R.layout.diag_pay3, null);		s_Dialog = new Dialog(this,R.style.dialog);		s_Dialog.setContentView(view_P);		s_Dialog.setCancelable(false);		//s_Dialog.setCanceledOnTouchOutside(true);		TextView tv_title = (TextView)view_P.findViewById(R.id.dg_title_p);		tv_title.setText("充值"+ Integer.parseInt(amount)/100 +"元,选择支付方式");		final RadioGroup RadioGroup01 = (RadioGroup)view_P.findViewById(R.id.RadioGroup01);		RadioButton rb1 = (RadioButton)view_P.findViewById(R.id.rbt_1);		RadioButton rb2 = (RadioButton)view_P.findViewById(R.id.rbt_2);		RadioButton rb3 = (RadioButton)view_P.findViewById(R.id.rbt_3);		Button dg_button_ok = (Button)view_P.findViewById(R.id.dg_button_ok_p); 		Button dg_button_cancel= (Button)view_P.findViewById(R.id.dg_button_cancel_p); 		RadioGroup01.setOnCheckedChangeListener(new OnCheckedChangeListener () {			public void onCheckedChanged(RadioGroup arg0, int checkedId) {				if(checkedId==R.id.rbt_1){					Toast.makeText(Activitycharge.this,"A选中", Toast.LENGTH_LONG).show();					 select ="A";				}				if(checkedId==R.id.rbt_2){					 Toast.makeText(Activitycharge.this,"B选中", Toast.LENGTH_LONG).show();					 select ="B";				}				if(checkedId==R.id.rbt_3){					Toast.makeText(Activitycharge.this,"C选中", Toast.LENGTH_LONG).show();					 select ="C";				}			}		});		dg_button_ok.setOnClickListener(new OnClickListener() {			public void onClick(View v) {				if(check()==true){					 if(select.equals("A")){						 conneed(Integer.parseInt(amount), (Integer.parseInt(amount)+1)  );					 }					 if(select.equals("B")){						 startPay(CUSTOMER_NUMBER, "CH_MOBILE",amount);					 }					 if(select.equals("C")){						 startPay(CUSTOMER_NUMBER, "CH_GAME",amount);					 }					  				}	 			}		});		dg_button_cancel.setOnClickListener(new OnClickListener() {			public void onClick(View v) {				s_Dialog.dismiss();				if(select!=null){select ="";}			}		});		s_Dialog.show();	}

 效果图