sábado, 16 de maio de 2015

http://developer.android.com/tools/publishing/app-signing.html
http://developer.android.com/reference/android/database/package-summary.html

  • Deprecated clients - The ActivityRecognitionClientLocationClient, and PlusClient classes are deprecated. If you used those APIs in your app and want to call Google Play services 6.5 or higher APIs, you must switch to the new programming model that utilizes GoogleApiClient. For more information about using GoogleApiClient, see Accessing Google APIs.Use these APIs instead of the deprecated APIs:
The Google Play services APK is delivered through the Google Play Store, so updates to the services are not dependent on carrier or OEM system image updates. In general, devices running Android 2.3 (Gingerbread) or later and have the Google Play Store app installed receive updates within a few days.


his allows you to use the newest APIs in Google Play services and reach most of the devices in the Android ecosystem (devices older than Android 2.3 or devices without the Google Play Store app are not supported).


When developing on a device, keep in mind that you should still use the Android emulator to test your application on configurations that are not equivalent to those of your real device. Although the emulator does not allow you to test every device feature (such as the accelerometer), it does allow you to verify that your application functions properly on different versions of the Android platform, in different screen sizes and orientations, and more.
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