Changing icons of the apply section

• ic_launcher_action.png: Action Launcher
• ic_launcher_adw.png: ADW Launcher
• ic_launcher_apex.png: Apex Launcher
• ic_launcher_cm.png: CM Theme Engine
• ic_launcher_go.png: GO Launcher
• ic_launcher_holo.png: Holo Launcher
• ic_launcher_holohd.png: Holo Launcher HD
• ic_launcher_hyperion.png: Hyperion Launcher
• ic_launcher_lawnchair: Lawnchair Launcher
• ic_launcher_lg.png: LG Home
• ic_launcher_lucid.png: Lucid Launcher
• ic_launcher_microsoft.png: Microsoft Launcher
• ic_launcher_niagara: Niagara Launcher
• ic_launcher_nougat.png: Nougat Launcher
• ic_launcher_nova.png: Nova Launcher
• ic_launcher_pixel: Pixel Launcher
• ic_launcher_poco: Poco Launcher
• ic_launcher_posidon: Posidon Launcher
• ic_launcher_smart.png: Smart Launcher
• ic_launcher_solo.png: Solo Launcher
• ic_launcher_square: Square Launcher
• ic_launcher_zenui.png: ZenUI Launcher

If you want to replace a launcher's icon, create a PNG image with 256 x 256 pixels dimensions, name it exactly the same as the icon's name for the launcher, you can see the list above to find out what the image file's name will be for the launcher. Then copy the image to app/src/main/res/drawable-xxxhdpi folder.

For example, if you want to replace the launcher's icon for Nova Launcher, you would -

• Create a PNG image with 256 x 256 pixels dimensions, file's name would be ic_launcher_nova.png
• Copy the file and paste it to app/src/main/res/drawable-xxxhdpi folder