Android代码Senior Launcher

SeniorLauncherAlauncherappforAndroid,intendedforoldiesWhatdoesthisappdo?Itregistersasapplauncher(thatmeansitiscalledwhenthephonebootsandthehomebuttonispressed).Itlet'stheuserdecideifhewantstocallsomeoneorwantstowatchimagesItreadsthecontactlistanddisplaysallcontactstha