some errors are occurred like :

[PiyushMangukiya]

java.lang.NoClassDefFoundError: Failed resolution of: Ljava/util/Optional;

java.lang.ClassNotFoundException: Didn't find class "java.util.Optional" on path: DexPathList[[zip file "/data/app/com.google.android.gms.samples.wallet-2/base.apk"

java.io.IOException: No original dex files found for dex location /data/app/com.google.android.gms.samples.wallet-2/split_lib_slice_9_apk.apk at dalvik.system

[googlebot]

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