diff options
Diffstat (limited to 'src/com/android/launcher3/compat/UserManagerCompat.java')
-rw-r--r-- | src/com/android/launcher3/compat/UserManagerCompat.java | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/src/com/android/launcher3/compat/UserManagerCompat.java b/src/com/android/launcher3/compat/UserManagerCompat.java index a79d94646..2ff1e7b74 100644 --- a/src/com/android/launcher3/compat/UserManagerCompat.java +++ b/src/com/android/launcher3/compat/UserManagerCompat.java @@ -28,16 +28,29 @@ public abstract class UserManagerCompat { protected UserManagerCompat() { } + private static final Object sInstanceLock = new Object(); + private static UserManagerCompat sInstance; + public static UserManagerCompat getInstance(Context context) { - if (Utilities.isLmpOrAbove()) { - return new UserManagerCompatVL(context); - } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { - return new UserManagerCompatV17(context); - } else { - return new UserManagerCompatV16(); + synchronized (sInstanceLock) { + if (sInstance == null) { + if (Utilities.isLmpOrAbove()) { + sInstance = new UserManagerCompatVL(context.getApplicationContext()); + } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { + sInstance = new UserManagerCompatV17(context.getApplicationContext()); + } else { + sInstance = new UserManagerCompatV16(); + } + } + return sInstance; } } + /** + * Creates a cache for users. + */ + public abstract void enableAndResetCache(); + public abstract List<UserHandleCompat> getUserProfiles(); public abstract long getSerialNumberForUser(UserHandleCompat user); public abstract UserHandleCompat getUserForSerialNumber(long serialNumber); |