There are many problems here. You are using startActivity() but passing an Intent for a Service ( HintergrundService ). ... <看更多>

Each activity is started or activated with an Intent , which is a message object that makes a request to the Android runtime to start an activity or other app ... ... <看更多>

If you use version 5.15 or later of the Facebook SDK for Android, you don't need to to add an activity or intent filter for Chrome Custom Tabs. This ... ... <看更多>

Google Play Referrer API; Google Play Store intent; Huawei Referrer API ... We assume that you are using Android Studio for your Android development. ... <看更多>