SQLite Database gives warning automatic index on (column) After upgrading Android L

Automatic indexing was introduced in sqlite 3.7.17. A version of sqlite with this feature was only included in Android L developer preview. This is why you get the message only on Lollipop but not earlier. Even if it is logged as an error, it’s really just a message. Basically, the automatic indexing comes into play … Read more

Disable LogCat Output COMPLETELY in release Android app?

You can use ProGuard to remove completely any lines where a return value is not used, by telling ProGuard to assume that there will be no problems. The following proguard.cfg chunk instructs to remove Log.d, Log.v and Log.i calls. -assumenosideeffects class android.util.Log { public static *** d(…); public static *** w(…); public static *** v(…); … Read more

Android Studio – ADB Error – “…device unauthorized. Please check the confirmation dialog on your device.”

you have missed the Fingerprint Certificate Authorization dialog in your phone when you connected it, try to change the USB mode to Media, or another different than the one you have in and then reconnect your device, or go to Developer Options -> Revoke USB Debugging and reconnect, watch for the dialog and click on … Read more

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