private void removeObserverForView(final View view) {
final ViewTreeObserver treeObserver = view.getViewTreeObserver();
if (treeObserver != null && treeObserver.isAlive()) {
if (TiC.JELLY_BEAN_OR_GREATER) {
treeObserver.removeOnGlobalLayoutListener(this);
} else {
treeObserver.removeGlobalOnLayoutListener(this);
}
}
}
/** 删除监听器 */
@SuppressWarnings("deprecation")
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public static final void removeOnGlobalLayoutListener(
ViewTreeObserver viewTreeObserver,
ViewTreeObserver.OnGlobalLayoutListener onGlobalLayoutListener) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
viewTreeObserver.removeGlobalOnLayoutListener(onGlobalLayoutListener);
} else {
viewTreeObserver.removeOnGlobalLayoutListener(onGlobalLayoutListener);
}
}
/**
* Clean-up the resources attached to this object. This needs to be called when the ImageView is
* no longer used. A good example is from {@link android.view.View#onDetachedFromWindow()} or from
* {@link android.app.Activity#onDestroy()}. This is automatically called if you are using {@link
* EasePhotoView.co.senab.photoview.PhotoView}.
*/
@SuppressLint("NewApi")
@SuppressWarnings("deprecation")
public final void cleanup() {
if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
if (null != mImageView) {
mImageView.get().getViewTreeObserver().removeOnGlobalLayoutListener(this);
}
if (null != mViewTreeObserver && mViewTreeObserver.isAlive()) {
mViewTreeObserver.removeOnGlobalLayoutListener(this);
mViewTreeObserver = null;
// Clear listeners too
mMatrixChangeListener = null;
mPhotoTapListener = null;
mViewTapListener = null;
// Finally, clear ImageView
mImageView = null;
}
} else {
if (null != mImageView) {
mImageView.get().getViewTreeObserver().removeGlobalOnLayoutListener(this);
}
if (null != mViewTreeObserver && mViewTreeObserver.isAlive()) {
mViewTreeObserver.removeGlobalOnLayoutListener(this);
mViewTreeObserver = null;
// Clear listeners too
mMatrixChangeListener = null;
mPhotoTapListener = null;
mViewTapListener = null;
// Finally, clear ImageView
mImageView = null;
}
}
}
@Override
public void removeOnGlobalLayoutListener(
final ViewTreeObserver observer, final ViewTreeObserver.OnGlobalLayoutListener listener) {
observer.removeOnGlobalLayoutListener(listener);
}