package com.example.gestures;
import androidx.appcompat.app.AppCompatActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.os.Bundle;
import android.gesture.Gesture;
import android.view.GestureDetector;
import android.view.MotionEvent;
import static android.view.GestureDetector.*;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity implements OnGestureListener.OnDoubleTapListener{
它在OnDoubleTapListener上显示错误。我无法实现方法。请解决我的问题。
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
}
您的代码:
implements OnGestureListener.OndoubleTapListener
应该是(区分大小写)
implements OnGestureListener.OnDoubleTapListener