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Parameters_to_Android_App.md

How to Pass Parameters to an Android App via Android Studio

  1. In Android Studio 3.1 open Run/Debug Configurations
  2. For the respective Configuration, e.g app under General->Launch Options->Launch Flags: add a key-value pair, e.g. --ei DAY_TIME 5. For more options see: Specification for intent arguments
  3. Read the key-value pair in Kotlin:
// Get the value with intent.extras[KEY_VALUE] which returns a value of type 
// Any!. Check for "null" and convert it to a string otherwise return a string 
// value of "24".
val dayTime = intent.extras["DAY_TIME"]?.toString() ?: "24"
val time = dayTime.toInt();
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