edge 手势

import android.view.MotionEvent;
import android.view.View;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        findViewById(android.R.id.content).setOnTouchListener(new View.OnTouchListener() {
            private float startX, startY;

            @Override
            public boolean onTouch(View v, MotionEvent event) {
                switch (event.getAction()) {
                    case MotionEvent.ACTION_DOWN:
                        startX = event.getX();
                        startY = event.getY();
                        break;
                    case MotionEvent.ACTION_UP:
                        float endX = event.getX();
                        float endY = event.getY();
                        if (startX < 10 && Math.abs(endX - startX) > 100) {
                            // 边缘滑动事件处理
                            handleEdgeSwipe();
                        }
                        break;
                }
                return false;
            }
        });
    }

    private void handleEdgeSwipe() {
        // 处理边缘滑动逻辑
        Toast.makeText(this, "Edge Swipe Detected", Toast.LENGTH_SHORT).show();
    }
}