安卓报错error: uncompiled PNG file passed as argument. Must be compiled first into .flat file..

安卓报错error: uncompiled PNG file passed as argument. Must be compiled first into .flat file..

报错：

error: uncompiled PNG file passed as argument. Must be compiled first into .flat file..

报错截图：

报错原因：（未知）

解决方法：

在gradle.properties中加一行配置即可：

android.enableAapt2=false