android打包报错:error: failed to read PNG signature: file does not start with PNG signature.

本文介绍如何在Android Studio中通过修改build.gradle文件来禁用PNG合法性检查,以避免因PNG文件导致的构建问题。

打开项目,找到app下的build.gradle
在这里插入图片描述
添加下列代码,关闭Android Studio的PNG合法性检查

aaptOptions.cruncherEnabled = false
aaptOptions.useNewCruncher = false

在这里插入图片描述

C:\Users\Administrator\Desktop\apktool>java -jar apktool_2.11.1.jar b ys_out --copy-original -o patched.apk I: Using Apktool 2.11.1 on patched.apk with 8 threads I: Checking whether sources have changed... I: Checking whether sources have changed... I: Smaling smali folder into classes.dex... I: Checking whether sources have changed... I: Checking whether resources have changed... I: Building resources with aapt2... W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-hdpi\ic_launcher.png: error: failed to read PNG signature: file does not start with PNG signature. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-hdpi\ic_launcher.png: error: file failed to compile. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-hdpi\ic_launcher_foreground.png: error: failed to read PNG signature: file does not start with PNG signature. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-hdpi\ic_launcher_foreground.png: error: file failed to compile. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-hdpi\ic_launcher_round.png: error: failed to read PNG signature: file does not start with PNG signature. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-hdpi\ic_launcher_round.png: error: file failed to compile. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-mdpi\ic_launcher.png: error: failed to read PNG signature: file does not start with PNG signature. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-mdpi\ic_launcher.png: error: file failed to compile. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-mdpi\ic_launcher_foreground.png: error: failed to read PNG signature: file does not start with PNG signature. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-mdpi\ic_launcher_foreground.png: error: file failed to compile. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-mdpi\ic_launcher_round.png: error: failed to read PNG signature: file does not start with PNG signature. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-mdpi\ic_launcher_round.png: error: file failed to compile. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-xhdpi\ic_launcher.png: error: failed to read PNG signature: file does not start with PNG signature. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-xhdpi\ic_launcher.png: error: file failed to compile. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-xhdpi\ic_launcher_foreground.png: error: failed to read PNG signature: file does not start with PNG signature. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-xhdpi\ic_launcher_foreground.png: error: file failed to compile. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-xhdpi\ic_launcher_round.png: error: failed to read PNG signature: file does not start with PNG signature. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-xhdpi\ic_launcher_round.png: error: file failed to compile. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-xxhdpi\ic_launcher.png: error: failed to read PNG signature: file does not start with PNG signature. W: C:\Users\Administrator\Desktop\apktool\ys_out\res\mipmap-xxhdpi\ic_launcher.png: error: file failed to compile. Exception in thread "main" brut.androlib.exceptions.AndrolibException: brut.common.BrutException: could not exec (exit code = 1): [C:\Users\Administrator\AppData\Local\Temp\brut_util_Jar_176703190601594674776369028066336165951.tmp, compile, --dir, C:\Users\Administrator\Desktop\apktool\ys_out\res, --legacy, -o, C:\Users\Administrator\Desktop\apktool\ys_out\build\resources.zip] at brut.androlib.AaptInvoker.invoke(SourceFile:106) at brut.androlib.ApkBuilder.buildResources(SourceFile:352) at brut.androlib.ApkBuilder.build(SourceFile:93) at brut.apktool.Main.main(SourceFile:322) Caused by: brut.common.BrutException: could not exec (exit code = 1): [C:\Users\Administrator\AppData\Local\Temp\brut_util_Jar_176703190601594674776369028066336165951.tmp, compile, --dir, C:\Users\Administrator\Desktop\apktool\ys_out\res, --legacy, -o, C:\Users\Administrator\Desktop\apktool\ys_out\build\resources.zip] at brut.util.OS.exec(SourceFile:143) at brut.androlib.AaptInvoker.invoke(SourceFile:102) ... 3 more ys_out\smali\com\example\floatingball\FloatingBallService.smali[97,0] missing EOF at '.class'
最新发布
10-12
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