How to check if APK is signed or “debug build”?

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To check the debuggable flag, you can use this code:

boolean isDebuggable =  ( 0 != ( getApplicationInfo().flags & ApplicationInfo.FLAG_DEBUGGABLE ) );

Kotlin:

val isDebuggable = 0 != applicationInfo.flags and ApplicationInfo.FLAG_DEBUGGABLE

For more information, please see Securing Android LVL Applications.

Alternatively, if you’re using Gradle correctly, you can check if BuildConfig.DEBUG is true or false.

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