用setbitmap()android即时设置墙纸 [英] Setting wallpaper instantly with setbitmap() android

问题描述

我一直在寻找问题的答案，但似乎找不到正确的答案.

I have been searching for an answer to my problem, but cant seem to find a right answer.

每次歌曲更改时，我都试图使用Tasker在手机上设置背景.我一切正常，但setbitmap不会立即设置墙纸.我必须以某种方式与手机互动才能更新手机(打开文件夹，触摸屏幕等).在setbitmap被调用之后，是否有一种方法可以强制进行更新?

I am trying to use tasker to set a background on my phone everytime a song changes. I got everything working, but setbitmap does not set wallpaper instantly. I have to interact with the phone in some way to get it to update ( open a folder, touch the screen etc). Is there a way to force an update after setbitmap has been called?

我现在正在使用setStream.这是一个简短的视频，展示了我试图详细解释的内容.

Im using setStream now. Here is a short video showing what im trying to explain in detail.

壁纸延迟

谢谢！

推荐答案

您的权限是否到位?

<uses-permission android:name="android.permission.SET_WALLPAPER" />

另外，您可以使用setStream代替setBitmap，因为它需要花费时间来解码一个位图，并且它与位图的大小成正比.

Alternatively you can use setStream instead of setBitmap as it takes time to decode a bitmap and it is directly proportional to the size of the bitmap.

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