public IconCache(Context context) {
ActivityManager activityManager =
(ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
mContext = context;
mPackageManager = context.getPackageManager();
mUserManager = UserManagerCompat.getInstance(mContext);
// mLauncherApps = LauncherAppsCompat.getInstance(mContext);
mIconDpi = activityManager.getLauncherLargeIconDensity();
// need to set mIconDpi before getting default icon
UserHandleCompat myUser = UserHandleCompat.myUserHandle();
mDefaultIcons.put(myUser, makeDefaultIcon(myUser));
}
private Bitmap makeDefaultIcon(UserHandleCompat user) {
Drawable unbadged = getFullResDefaultActivityIcon();
Drawable d = mUserManager.getBadgedDrawableForUser(unbadged, user);
Bitmap b =
Bitmap.createBitmap(
Math.max(d.getIntrinsicWidth(), 1),
Math.max(d.getIntrinsicHeight(), 1),
Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(b);
d.setBounds(0, 0, b.getWidth(), b.getHeight());
d.draw(c);
c.setBitmap(null);
return b;
}
