调试版本按预期工作。
由于以下原因，我无法生成签名的 APK。
Error:Execution failed for task ':app:transformDexWithDexForRelease'.
> com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: java.util.concurrent.ExecutionException: com.android.ide.common.process.ProcessException: Error while executing java process with main class com.android.dx.command.Main with arguments {--dex --force-jumbo --num-threads=4 --output /Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/dex/release/0 --min-sdk-version 14 /Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/preDex/release/6.jar
/Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/preDex/release/10.jar
/Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/preDex/release/28.jar
/Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/preDex/release/37.jar
/Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/preDex/release/53.jar
/Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/preDex/release/62.jar
/Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/preDex/release/29.jar
/Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/preDex/release/61.jar
/Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/preDex/release/70.jar
/Users/bhaskar/Documents/Projects/android-work/familyapp/familyapp-android/app/build/intermediates/transforms/preDex/release/46.jar
..... trimmed ....
}