Change Icon Size Android Application
One of the most popular and the one i use is the nova launcher.
Change icon size android application. 512px by 512px, maximum file size: Now, your android icon is this icon. Now in the manifest, in the <application> tag, set your icon for both android:icon & android:roundicon.
Icon does not change permanently. Leaving the name @mipmap/ic_launcher will cause a error: It is the screen density that determines the android icon size used.
This application tag has an android:icon attribute, which is usually @drawable/ic_launcher.the value here is the name of the launcher icon file. Android icon size & screen densities: With the use of android application icon mobile phone user can open app and use that particular application.
If the value is @drawable/ic_launcher, then the name of the icon is ic_launcher.png. If you want to snap a new photo to use as an icon, tap the camera icon instead, then snap a photo. Follow these steps in order to change the default icon image to your application icon:
Replace both these images in each of the mipmap folders. Required launch icon and splash image size Legacy mode original icon assets that have not been updated per the new specifications will eventually be migrated to legacy mode and scaled down 75% to the keyline grid size (512 * 0.75 = 384px).
In order to change your application icon file, you must modify the android:icon key in the applcation tag. Tap change to assign a different icon—either an existing icon or an image—and tap ok to finish. It's better to do this through android studio rather than the file browser as it updates all icon files with the correct resolution for each.