sample

    void showGlobalActionsDialog() {
        if (mGlobalActions == null) {
            mGlobalActions = new GlobalActions(mContext);
        }
        final boolean keyguardShowing = mKeyguardMediator.isShowingAndNotHidden();
        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
        if (keyguardShowing) {
            // since it took two seconds of long press to bring this up,
            // poke the wake lock so they have some time to see the dialog.
            mKeyguardMediator.pokeWakelock();
        }
    }