Images/Icon sizes for different devices

Developer will think about what size of icons/images have to use for application that will support for different devices.

Please follow below ratio for images/icons

Role / Screen |  LDPI  |  MDPI  |  HDPI  |  XHDPI  |
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Icon          |  36x36 |  48x48 |  72x72 |  96x96  |
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Thumbnail     |  72x72 |  96x96 | 144x144| 192x192 |
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Full          | 240x320|320x480 | 480x800| 720x1280|