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Application Fundamentals IN THIS DOCUMENT App Components Activating components The Manifest File Declaring componentsDeclaring app requirements App Resources Android apps

System Permissions IN THIS DOCUMENT Security ArchitectureApplication SigningUser IDs and File AccessUsing PermissionsDeclaring and Enforcing Permissions ...in AndroidManifest.xml.

Device Compatibility   Android is designed to run on many different types of devices, from phones to tablets and televisions. As a developer, the range of devices provides a huge potential audience f