mipmap-mdpi 48
ic_launcher.png/ic_launcher_round.png
mipmap-hdpi 72
ic_launcher.png/ic_launcher_round.png
mipmap-xhdpi 96
ic_launcher.png/ic_launcher_round.png
mipmap-xxhdpi 144
ic_launcher.png/ic_launcher_round.png
mipmap-xxxhdpi 192
ic_launcher.png/ic_launcher_round.png