本文整理汇总了Java中android.view.ViewGroup.getViewTreeObserver方法的典型用法代码示例。如果您正苦于以下问题：Java ViewGroup.getViewTreeObserver方法的具体用法？Java ViewGroup.getViewTreeObserver怎么用？Java ViewGroup.getViewTreeObserver使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.view.ViewGroup的用法示例。
在下文中一共展示了ViewGroup.getViewTreeObserver方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: setOverflowButtonColor
import android.view.ViewGroup; //导入方法依赖的package包/类
/**
* 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; //导入方法依赖的package包/类
/**
* 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);
}
});
}