Learn from this tutorial how to give permission to your app to be installed on external storage (SD card) in Android Studio version 1.4.
Open AndroidManifest.xml file and write this code like in picture below:
When application is installed on the external storage, any data (for example databases) is still saved on the internal device memory.
Watch the video tutorial to allow an application to write to external storage in Android Studio version 1.4:
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