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自己测试ionic的模板项目cutePuppyPics时，按照https://github.com/driftyco/ionic/blob/2.0/CHANGELOG.md#angular-update-to-200-rc1 升级Angularjs版本后，运行cordova build android 编译项目时总是报如下错
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ‘:mergeDebugResources‘.
> Some file crunching failed, see logs for details
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
BUILD FAILED
Total time: 4.738 secs
Error: Error code 1 for command: cmd with args: /s,/c,"G:\Viola\cutePuppyPics\platforms\android\gradlew cdvBuildDe
bug -b G:\Viola\cutePuppyPics\platforms\android\build.gradle -Dorg.gradle.daemon=true -Pandroid.useDeprecatedNdk=t
rue"
再试试运行ionic build android，报错信息如下：
:generateDebugResValues UP-TO-DATE
:generateDebugResources UP-TO-DATE
:mergeDebugResourcesAAPT err(Facade for 127747075): libpng error: Read Error
FAILED
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ‘:mergeDebugResources‘.
> Crunching Cruncher screen.png failed, see logs
* Try:
BUILD FAILED
Total time: 3.835 secs
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.
Error: Error code 1 for command: cmd with args: /s,/c,"G:\Viola\cutePuppyPics\platforms\android\gradlew cdvBuildDe
bug -b G:\Viola\cutePuppyPics\platforms\android\build.gradle -Dorg.gradle.daemon=true -Pandroid.useDeprecatedNdk=t
rue"
最后原因竟然是因为在运行ionic resources的时候，生成的图片有一张出错，重新生成之后，再运行就没有问题了。
FAILURE: Build failed with an exception. Crunching Cruncher screen.png failed
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原文地址：http://www.cnblogs.com/viola-sh/p/5557138.html
