How to use

onTouchEvent

method

in

android.view.SurfaceView

@Override
public boolean onTouchEvent(MotionEvent event) {
  boolean isEventConsumed = mTouchHelper.onTouchEvent(event);
  if (!isEventConsumed) {
    return super.onTouchEvent(event);
  }
  return isEventConsumed;
}

@Override
public boolean onTouchEvent(MotionEvent ev) {
  return super.onTouchEvent(ev);
}

@Override
public boolean onTouchEvent(MotionEvent ev) {
  return super.onTouchEvent(ev);
}

@Override
public boolean onTouchEvent(MotionEvent ev) {
  return super.onTouchEvent(ev);
}

@Override
public boolean onTouchEvent(MotionEvent e) {
  return super.onTouchEvent(e);
}

@Override
public boolean onTouchEvent(MotionEvent ev) {
  return super.onTouchEvent(ev);
}

@Override
public boolean onTouchEvent(MotionEvent event) {
  if (state == STATE_B1_W && event.getAction() == MotionEvent.ACTION_DOWN) {
    state++;
    circles[0].startTime = System.currentTimeMillis() - (long) (1.04017 * circles[0].bounceTime * 1000);
  } else if (state == STATE_B2_W && event.getAction() == MotionEvent.ACTION_DOWN) {
    state++;
    circles[1].startTime = System.currentTimeMillis() - (long) (1.04017 * circles[1].bounceTime * 1000);
  } else if (state == STATE_B3_W && event.getAction() == MotionEvent.ACTION_DOWN) {
    state++;
    circles[2].startTime = System.currentTimeMillis();
  }
  return super.onTouchEvent(event);
}

  @Override
  public boolean onTouchEvent(MotionEvent event) {
    switch (event.getAction()) {
      case MotionEvent.ACTION_DOWN:
        if (mCamera.getParameters().isZoomSupported() && event.getDownTime() - mLastTouchDownTime <= DOUBLE_CLICK_INTERVAL) {
          zoomPreview();
        }
        mLastTouchDownTime = event.getDownTime();
//                float x = event.getX();
//                float y = event.getY();
//                autoFocus();
        // 手动对焦，还存在问题
//                Rect focusRect = calculateTapArea(x, y, 1f);
//                List<Camera.Area> focusAreas = new ArrayList<>();
//                focusAreas.add(new Camera.Area(focusRect, 1000));
//
//                Rect meteringRect = calculateTapArea(x, y, 1.5f);
//                List<Camera.Area> meteringAreas = new ArrayList<>();
//                meteringAreas.add(new Camera.Area(meteringRect, 1000));
//                manualFocus(mCamera,callback,focusAreas,meteringAreas);
        break;
    }
    return super.onTouchEvent(event);
  }

    break;
return super.onTouchEvent(event);