Change Density of Android Emulator in Mac OS

 Open the following file:

/Users/yourUserName/.android/avd/<CustomDevice_API_19>.avd/config.ini

CustomDevice_API_19 is the name of your emulator.

Change the hw.lcd.density=160 or any other values required. The possible values for lcd density are:

120, 160, 213, 240, 280, 320, 360, 400, 420, 480, 560, 640

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