make some of the activity preview gray with alpha to result in the same shade over a light background and also an appropriate shade over a dark background
make some of the activity preview gray with alpha to result in the same shade over a light background and also an appropriate shade over a dark background

haonature/jump.android,twcctz500000/jump.android,haocafes/jump.android,haonature888/jump.android,twcctz500000/jump.android,twcctz500000/jump.android,vemmaverve/jump.android,vemmaverve/jump.android,janrain/engage.android,haonature/jump.android,haocafes/jump.android,haonature888/jump.android,haonature/jump.android,twcctz500000/jump.android,haonature888/jump.android,janrain/engage.android,janrain/engage.android,vemmaverve/jump.android,haocafes/jump.android,janrain/engage.android,haocafes/jump.android,vemmaverve/jump.android,haonature888/jump.android,haonature/jump.android