import android.widget.Toast;
public class Security extends MainActivity {
Socket sock,sock1;
@Override
public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.security);
new Thread(new Runnable()
{
public void run()
{
try{
sock=new Socket(ip,port1);
BufferedReader br=new BufferedReader(new InputStreamReader(sock.getInputStream()));
String a=br.readLine();
Thread.sleep(2500);
Toast.makeText(getApplicationContext(),"Please Enter the result of operation for no "+a,Toast.LENGTH_LONG).show();
}
catch(UnknownHostException e)
{
e.printStackTrace();
}
catch (IOException e) {
e.printStackTrace();
}
catch(InterruptedException e)
{
e.printStackTrace();
}
}
}).start();
}
}
安全性开始时无法查看吐司。我不知道为什么?就像它应该在onclicklistener中一样。?
答案 0 :(得分:1)
您只能在主UI线程中显示祝酒词。
如果您需要在后台线程的UI线程上执行操作,请查看runOnUiThread()
。
答案 1 :(得分:1)
runOnUiThread(new Runnable() {
public void run() {
Toast.makeText(getApplicationContext(),"Please Enter the result of operation for no "+a,Toast.LENGTH_LONG).show();
}
});