我有一个android库项目,它使用Java 8特性,即
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}当将输出AAR绑定到Xamarin.Android时,绑定项目编译得很好。但是,当试图在Xamarin.Android应用程序项目中使用绑定项目时,我会得到以下错误:
2>COMPILETODALVIK : Uncaught translation error : com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
2>COMPILETODALVIK : Uncaught translation error : com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
2>COMPILETODALVIK : Uncaught translation error : com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
2>COMPILETODALVIK : Uncaught translation error : com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
2>COMPILETODALVIK : Uncaught translation error : com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
2>COMPILETODALVIK : Uncaught translation error : com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
2>COMPILETODALVIK : Uncaught translation error : com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
2>COMPILETODALVIK : Uncaught translation error : com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
2>COMPILETODALVIK : Uncaught translation error : com.android.dx.cf.code.SimException: invalid opcode ba (invokedynamic requires --min-sdk-version >= 26)
2> java.lang.RuntimeException: Translation has been interrupted
2> at com.android.dx.command.dexer.Main.processAllFiles(Main.java:615)
2> at com.android.dx.command.dexer.Main.runMultiDex(Main.java:368)
2> at com.android.dx.command.dexer.Main.runDx(Main.java:289)
2> at com.android.dx.command.dexer.Main.main(Main.java:247)
2> at com.android.dx.command.Main.main(Main.java:94)
2> Caused by: java.lang.InterruptedException: Too many errors
2> at com.android.dx.command.dexer.Main.processAllFiles(Main.java:607)
2> ... 4 more
2>D:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\MSBuild\Xamarin\Android\Xamarin.Android.Common.targets(2096,3): error : java.lang.RuntimeException : Translation has been interrupted
========== Build: 1 succeeded, 1 failed, 3 up-to-date, 0 skipped ==========通过谷歌搜索,它似乎与Java 8特性相关。我确实在本机android库中使用了许多新的Java 8特性。这在Xamarin.Android上还不支持吗?
我确实检查了我的Xamarin诊断输出,它显示它正在使用Java 8编译:
[I:sdk]: Key HKCU\SOFTWARE\Xamarin\VisualStudio\15.0_8541cfce\Android\JavaSdkDirectory found:
Path contains jarsigner.exe in \bin (C:\Program Files\Java\jdk1.8.0_161).任何帮助都是非常感谢的!谢谢。
发布于 2019-02-11 16:29:55
使用最新的VisualStudio2019预览2.2,并将<AndroidDexTool>d8</AndroidDexTool>添加到android项目的csproj中,每个调试/发布版本构建一个
D8是谷歌新推出的dexer,它默认启用Desugar模式。
https://stackoverflow.com/questions/48532610
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