[英]Call MessageBox inside thread
我试图找到一种从线程内部调用MessageBox的方法。 但是我发现的每个代码/示例都不起作用。 有人可以用最简单,最简单的方式用最少的代码行来阐述解决方案/示例吗?
到目前为止,这是我的代码:
public class MainActivity extends Activity {
void MessageBox(String msg){
AlertDialog deleteAlert = new AlertDialog.Builder(this).create();
deleteAlert.setTitle("This is the title");
deleteAlert.setMessage(msg);
deleteAlert.show();
}
Button b1;
TextView tv1;
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
b1 = (Button) findViewById(R.id.button1);
tv1 = (TextView) findViewById(R.id.editText1);
b1.setOnClickListener(new OnClickListener(){
public void onClick(View arg0) {
MyRunnable myRunnable = new MyRunnable();
Thread myThread = new Thread(myRunnable);
myThread.setDaemon(true);
myThread.start();
}
});
MainActivity.this.runOnUiThread(new Runnable() {
public void run() {
MessageBox("This is a message");
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
class MyRunnable implements Runnable{
Socket Client;
public void run() {
try {
Client = new Socket("192.168.1.20", 3333);
//MessageBox
} catch (UnknownHostException e) {
//MessageBox
} catch (IOException e) {
//MessageBox
}
}
}
使用runOnUiThread在线程内调用MessageBox。 如下:
//your code here....
Socket Client;
public void run() {
try {
Client = new Socket("192.168.1.20", 3333);
showMessage("Yout MessageBox message here");
} catch (UnknownHostException e) {
showMessage("Yout MessageBox message here");
} catch (IOException e) {
showMessage("Yout MessageBox message here");
}
public void showMessage(String message){
MainActivity.this.runOnUiThread(new Runnable() {
public void run() {
// show MessageBox here
}
});
}
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