从未触发java OnSingleTapConfiged
我正在尝试实现一个点击和投掷的点击监听器,但是由于某种原因,onSingleTapConfirmed
方法从未被触发,我真的不知道为什么
我曾在一个不同的项目中尝试过,只使用了两个按钮,我在那里实现它没有问题,但由于某种原因,在这个应用程序中,即使代码相同,它也无法工作
MyGestureDetector。类别:
公共类MyGestureDetector扩展了GestureDetector。SimpleNogestureListener{
private MainGame mainGame;
MyGestureDetector(MainGame mainGame) {
this.mainGame = mainGame;
}
@Override
public boolean onDown(MotionEvent e) {
Log.d("GESTURE", "OnDOwn detected");
return true;
}
@Override
public boolean onSingleTapConfirmed(MotionEvent e) {
Log.d("GESTURE: ", "Single Tap detected");
mainGame.clickedView();
return true;
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
try {
if (e1.getY() < e2.getY()) {
Log.d("Gesture", "Up to Down swipe: " + e1.getY() + " - " + e2.getY());
Log.d("Speed", String.valueOf(velocityY) + "pixels/second");
Objects.requireNonNull(mainGame.getSupportActionBar()).show();
}
if (e1.getY() > e2.getY()) {
Log.d("Gesture", "Down to Up swipe: " + e1.getY() + " - " + e2.getY());
Log.d("Speed", String.valueOf(velocityY) + "pixels/second");
Objects.requireNonNull(mainGame.getSupportActionBar()).hide();
}
} catch (NullPointerException e) {
Log.d("ActionBar: ", "Nullpoint caught");
}
return true;
}
}
主要游戏。类(片段):
public class MainGame extends AppCompatActivity implements View.OnTouchListener {
ConstraintLayout layout;
TextView fullNameP1;
TextView fullNameP2;
TextView gameScoreP1;
TextView gameScoreP2;
View mCurrenView;
private MyGestureDetector = myGestureDetector;
private GestureDetector mGestureDetector;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().requestFeature(Window.FEATURE_ACTION_BAR);
Objects.requireNonNull(getSupportActionBar()).hide();
setContentView(R.layout.activity_main_game);
initializeLayoutViews();
initializeLayoutValues();
int uiOptions = View.SYSTEM_UI_FLAG_FULLSCREEN
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_IMMERSIVE;
layout.setSystemUiVisibility(uiOptions);
layout.setOnTouchListener(this);
gameScoreP1.setOnTouchListener(this);
gameScoreP2.setOnTouchListener(this);
fullNameP1.setOnTouchListener(this);
fullNameP2.setOnTouchListener(this);
}
private void initializeLayoutViews() {
layout = findViewById(R.id.gameLayout);
mainLayout.clone(layout);
fullNameP1 = findViewById(R.id.fullNameP1);
fullNameP2 = findViewById(R.id.fullNameP2);
gameScoreP1 = findViewById(R.id.gameScoreP1);
gameScoreP2 = findViewById(R.id.gameScoreP2);
myGestureDetector = new MyGestureDetector(this);
mGestureDetector = new GestureDetector(this, myGestureDetector);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
this.mGestureDetector.onTouchEvent(event);
return super.onTouchEvent(event);
}
@Override
public boolean onTouch(View v, MotionEvent event) {
mCurrenView = v;
return this.mGestureDetector.onTouchEvent(event);
}
void clickedView() {
switch(mCurrenView.getId()) {
//perform actions
}
}
}
这是我在屏幕上任何地方的日志:
2019-02-23 17:51:24.801 7177-7177/package D/GESTURE: OnDOwn detected 2019-02-23 17:51:25.612 7177-7177/package D/GESTURE: OnDOwn detected 2019-02-23 17:51:26.190 7177-7177/package D/GESTURE: OnDOwn detected 2019-02-23 17:51:26.718 7177-7177/package D/GESTURE: OnDOwn detected 2019-02-23 17:51:26.869 7177-7177/package D/Gesture: Down to Up swipe: 275.33337 - -5.333313 2019-02-23 17:51:27.364 7177-7177/package D/GESTURE: OnDOwn detected 2019-02-23 17:51:27.575 7177-7177/package D/Gesture: Up to Down swipe: 466.6667 - 772.3962 2019-02-23 17:51:28.438 7177-7177/package D/GESTURE: OnDOwn detected 2019-02-23 17:51:28.643 7177-7177/package D/Gesture: Down to Up swipe: 215.33337 - -52.07727 2019-02-23 17:51:29.224 7177-7177/package D/GESTURE: OnDOwn detected 2019-02-23 17:51:29.414 7177-7177/package D/Gesture: Up to Down swipe: 8.0 - 272.0 2019-02-23 17:51:30.584 7177-7177/package D/GESTURE: OnDOwn detected 2019-02-23 17:51:35.959 7177-7177/package D/GESTURE: OnDOwn detected 2019-02-23 17:51:36.356 7177-7177/package D/GESTURE: OnDOwn detected 2019-02-23 17:51:36.737 7177-7177/package D/GESTURE: OnDOwn detected
正如您所看到的,onSingleTapConfirmed
永远不会被触发,即使我所做的只是在OnDown
之前没有滑动的情况下轻触
编辑
做了一些记录动作的测试,问题是手势检测器没有看到除layout
之外的任何我的视图,原因是onSingleTapConfirmed
在任何文本视图之外被触发,并且如果我为它们禁用了侦听器。
我真的需要帮助,伙计们
# 1 楼答案
由于某种原因,其他视图似乎无法单击
在添加侦听器之前,将以下内容添加到之后,代码现在可以正常工作:
# 2 楼答案
返回由
GestureDetector
的onTouchEvent
提供的值: