public class MainActivity extends Activity {
protected final Handler mHandler = new Handler();
private Runnable runnable=new Runnable() {
@Override
public void run() {
Toast.makeText(MainActivity.this,"hahahaha",Toast.LENGTH_SHORT).show();
mHandler.postDelayed(runnable,500);
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
}------解决思路----------------------
能运行才怪，在oncreate里mHandler.post(runnable)
------解决思路----------------------
没有调用。
public class MainActivity extends Activity {
protected final Handler mHandler = new Handler();
private Runnable runnable=new Runnable() {
@Override
public void run() {
Toast.makeText(MainActivity.this,"hahahaha",Toast.LENGTH_SHORT).show();
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mHandler.postDelayed(runnable,500);
}
}