本文整理匯總了Java中android.view.ViewGroup.getViewTreeObserver方法的典型用法代碼示例。如果您正苦於以下問題：Java ViewGroup.getViewTreeObserver方法的具體用法？Java ViewGroup.getViewTreeObserver怎麽用？Java ViewGroup.getViewTreeObserver使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類android.view.ViewGroup的用法示例。
在下文中一共展示了ViewGroup.getViewTreeObserver方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: setOverflowButtonColor
import android.view.ViewGroup; //導入方法依賴的package包/類
/**
* It's important to set overflowDescription atribute in styles, so we can grab the reference
* to the overflow icon. Check: res/values/styles.xml
*
* @param activity
* @param colorFilter
*/
private static void setOverflowButtonColor(final Activity activity, final PorterDuffColorFilter colorFilter) {
final String overflowDescription = activity.getString(R.string.abc_action_menu_overflow_description);
final ViewGroup decorView = (ViewGroup) activity.getWindow().getDecorView();
final ViewTreeObserver viewTreeObserver = decorView.getViewTreeObserver();
viewTreeObserver.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
final ArrayList<View> outViews = new ArrayList<View>();
decorView.findViewsWithText(outViews, overflowDescription,
View.FIND_VIEWS_WITH_CONTENT_DESCRIPTION);
if (outViews.isEmpty()) {
return;
}
AppCompatImageView overflow = (AppCompatImageView) outViews.get(0);
overflow.setColorFilter(colorFilter);
removeOnGlobalLayoutListener(decorView, this);
}
});
}
示例2: setOverflowButtonColor
import android.view.ViewGroup; //導入方法依賴的package包/類
/**
* It's important to set overflowDescription atribute in styles, so we can grab the reference
* to the overflow icon. Check: res/values/styles.xml
*
* @param activity
* @param colorFilter
*/
private static void setOverflowButtonColor(final Activity activity, final PorterDuffColorFilter colorFilter) {
final String overflowDescription = activity.getString(R.string.abc_action_menu_overflow_description);
final ViewGroup decorView = (ViewGroup) activity.getWindow().getDecorView();
final ViewTreeObserver viewTreeObserver = decorView.getViewTreeObserver();
viewTreeObserver.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
final ArrayList<View> outViews = new ArrayList<View>();
decorView.findViewsWithText(outViews, overflowDescription,
View.FIND_VIEWS_WITH_CONTENT_DESCRIPTION);
if (outViews.isEmpty()) {
return;
}
final ActionMenuView overflowViewParent = (ActionMenuView) outViews.get(0).getParent();
overflowViewParent.getOverflowIcon().setColorFilter(colorFilter);
removeOnGlobalLayoutListener(decorView, this);
}
});
}