Jump to Intent.ACTION_ALL_APPS error

Intent intent = new Intent (Intent.ACTION_ALL_APPS);
/ / Intent.addFlags (Intent.FLAG_ACTIVITY_NEW_TASK);
mContext.startActivity (intent);

Click on a button, jump to Intent.ACTION_ALL_APPS
Why prompted ActivityNotFound, seeking expert answers.<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->
Reply:
Wait for the master. . . .
Reply:
This is simply no activity, launcher inside all apps interface with pop-up window interface way to write.