Android Development – Running Android App

For running your apps there are two possible ways :

  • Running on the emulator
  • Running on a device

Running on the emulator

Emulator are the Android Virtual Devices (AVD) that we need to configure in order to run our android apps.

Step 1 – Open AVD Manager

AVD Manager

Step 2 – Click on New Button to add a new device, and configure your device settings.

New Device - AVD Manager

 

Step 3 – There will be a result window showing all the configuration you had chosen on the previous screen.

Configuration Result - AVD Manager

Step 4 – Press ‘Ok‘ and you will see your device listed in there and now you can close this window now.

List of Devices - AVD Manager

Step 5 – Run your android app project from eclipse and if there is only one AVD configured it will automatically deploy the app to it else a window will appear to choose your AVD. Emulator will start.

Android Emulator

Running on the Device

Android app can directly be deployed on the android device, for this few configurations are needed.

Step 1 – Set the application in the debug-able mode by setting android:debuggable attribute of the <application>element to true. For ADT 8.0 this is done by default. (In our ADT we do not need to perform this step)

Step 2 – Enable USB debugging on your device:

For Android 3.2 or older Goto Settings>Applications>Development and enable USB Debugging.

USB Debugging

On Android 4.0 and newer, it’s in Settings > Developer options.

Note: On Android 4.2 and newer, Developer options is hidden by default. To make it available, go to Settings > About phone and tap Build number seven times. Return to the previous screen to find Developer options.

Step 3 – Install USB drivers for your device so that the computer recognizes your device.

Step 4 - Once set up and your device is connected via USB, install your application on the device by selecting Run > Run (or Run >Debug) from the Eclipse menu bar.

Cheers.

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