Tag Archives: Studio

Android Error type 3 : Activity Class {} does not exist

I used Android Studio 3.5.3 to execute(install) an application on a Sony cellphone and it kept displayed Error Type 3 : xxxx.xxx.xxx.MainActivity does not exist. After Googled a few document, here’s what solved this problem. Just adb unstall the package … Continue reading

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OneSignal Push Notification with Android Studio practice log

It took me one night to make it work, so I’d like to write it down for next time. Main Flow as follow diagram: Green fields means “what values you can get” White fields means “what values you should set” … Continue reading

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