In your MainActivity
initialize a variable of MainActivity
class like below.
public class MainActivity extends Activity {
private static MainActivity ins;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ins = this;
}
public static MainActivity getInstace(){
return ins;
}
public void updateTheTextView(final String t) {
MainActivity.this.runOnUiThread(new Runnable() {
public void run() {
TextView textV1 = (TextView) findViewById(R.id.textV1);
textV1.setText(t);
}
});
}
}
public class NotifAlarm extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
try {
MainActivity .getInstace().updateTheTextView("String");
} catch (Exception e) {
}
}
}