Manifest merger failed : Attribute application@allowBackup value=(false) from AndroidManifest.xml:23:9-36
is also present at [com.github.wangjiegulu:ShadowViewHelper:1.0.2] AndroidManifest.xml:11:18-44 value=(true).
Suggestion: add 'tools:replace="android:allowBackup"' to element at AndroidManifest.xml:21:5-121:19 to override.