Is it possible to install the HAL driver on an Android device when it is turned on?

Question

I think this task is easier for Android emulator. We just create new images and reload the emulator. Although it takes a long cycle to load the emulator, it is safe. But I wonder if we can just download some .so files to the device and test the HAL driver? If so, it would be great to test the driver, since on the emulator we do not have enough equipment for playback.

Thank!

Answer 1

This may be a good reference. http://www.androidenea.com/2009/09/starting-android-service-after-boot.html

Answer 2

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• adb push <source on host> <destination on target> 
  

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2. , HAL.

   adb shell stop media 
   adb shell start media