FragmentTransaction.setCustomAnimations()时,电池保护程序是
我使用自定义动画(从左至右滑动)的片段之间的过渡不起作用。但是当调用FragmentTransaction.commit()后,电池保护程序处于打开状态时,第二个片段不会显示。FragmentTransaction.setCustomAnimations()时,电池保护程序是
FragmentTransaction ft = getFragmentManager().beginTransaction();
ft.setCustomAnimations(R.anim.slide_in_left, R.anim.slide_out_right);
ft.replace(R.id.fragment_help_container, newFragment);
// Start the animated transition.
ft.commit();
这是我在logcat中找到与此相关的问题。
02-18 20:33:26.908 932-932/? E/Icon: Unable to load resource 0x00000000 from pkg=
android.content.res.Resources$NotFoundException: Resource ID #0x0
at android.content.res.Resources.getValue(Resources.java:1351)
at android.content.res.Resources.getDrawable(Resources.java:804)
at android.graphics.drawable.Icon.loadDrawableInner(Icon.java:313)
at android.graphics.drawable.Icon.loadDrawable(Icon.java:269)
at android.widget.RemoteViews$TextViewDrawableAction.apply(RemoteViews.java:1502)
at android.widget.RemoteViews.performApply(RemoteViews.java:2804)
at android.widget.RemoteViews.apply(RemoteViews.java:2764)
at android.widget.RemoteViews$ViewGroupAction.apply(RemoteViews.java:1373)
at android.widget.RemoteViews.performApply(RemoteViews.java:2804)
at android.widget.RemoteViews.reapply(RemoteViews.java:2795)
at com.android.systemui.statusbar.BaseStatusBar.updateNotificationViews(BaseStatusBar.java:2064)
at com.android.systemui.statusbar.BaseStatusBar.updateNotification(BaseStatusBar.java:1939)
at com.android.systemui.statusbar.BaseStatusBar$6$2.run(BaseStatusBar.java:487)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
slide_in_left.xml
<set xmlns:android="http://schemas.android.com/apk/res/android" >
<objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/linear_interpolator"
android:valueFrom="1.0"
android:valueTo="0"
android:propertyName="xFraction"
android:duration="@android:integer/config_mediumAnimTime" />
</set>
slide_out_right.xml
<set xmlns:android="http://schemas.android.com/apk/res/android" >
<objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:anim/linear_interpolator"
android:valueFrom="0"
android:valueTo="-1.0"
android:propertyName="xFraction"
android:duration="@android:integer/config_mediumAnimTime" />
</set>
卸下集似乎在大多数情况下为我工作。当设备处于电池模式时,objectAnimator似乎表现得像一个noOp,所以你不会有很好的动画,但是你不必担心任何复杂的问题。如果您需要更复杂的动画需要该集合(例如同时进行淡入淡出和翻译),则可能需要添加辅助方法来设置自定义动画。在我的情况下,我实际上有视图,应该动画,因为该集只是没有出现
/**
* NOTE: on lollipop+ the battery save screws with the animations. in most cases its fine but in some it actually prevents
* the fragment from displaying. because of that I am creating this helper that must always be used
*/
public static void setCustomAnimation(Activity activity, FragmentTransaction transaction, int enter, int exit, int popEnter, int popExit)
{
PowerManager powerManager = (PowerManager) activity.getSystemService(Context.POWER_SERVICE);
if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP
&& powerManager.isPowerSaveMode())
{
return;
}
transaction.setCustomAnimations(enter, exit, enter, exit);
}
我删除了集合,但碎片仍然消失,所以我最终采用了您提出的相同解决方案。 –
@约翰在[这]任何想法(http://*.com/questions/38483783/valueanimator-doesnt-work-as-expected-when-battery-saver-is-enabled-api-21)? –
我有一个类似的问题没有崩溃,但我的碎片不出现。我发现如果动画使用一组动画片,它始终不能工作,但如果它是一个简单的objectAnimator没有设置,那么它工作正常。你能发布你的slide_in_left和slide_out_right文件吗? –
是的,我使用set元素,添加了文件的内容。那么我需要改变什么?删除set元素并将objectAnimator作为根元素? –