AlertDialog.Builder弹出对话框

		   new AlertDialog.Builder(MainActivity.this).setTitle("本机设置")
		   		.setView(view)
		   		.setPositiveButton("确定",new DialogInterface.OnClickListener() {   
		               
		            @Override  
		            public void onClick(DialogInterface v, int arg1){ 
	                
		                address_client = spn_client_ip.getSelectedItem().toString();
		                port_client = Integer.parseInt(edt_client_port.getText().toString()); 
		                write_ip();
		                
		            } 
		   
		   		}).show();