Merge "Prevent launching app in split if task split is unsupported" into sc-v2-dev

    <string name="action_split">Split</string>

    <!-- Label for toast with instructions for split screen selection mode. [CHAR_LIMIT=50] -->

    <string name="toast_split_select_app">Tap another app to use splitscreen</string>

    <!-- Label for toast when app selected for split isn't supported. [CHAR_LIMIT=50] -->

    <string name="toast_split_app_unsupported">App does not support split-screen.</string>

    <!-- Message shown when an action is blocked by a policy enforced by the app or the organization managing the device. [CHAR_LIMIT=NONE] -->

    <string name="blocked_by_policy">This action isn\'t allowed by the app or your organization</string>

    private SplitConfigurationOptions.StagedSplitBounds mSplitBoundsConfig;

    private final Toast mSplitToast = Toast.makeText(getContext(),

            R.string.toast_split_select_app, Toast.LENGTH_SHORT);

    private final Toast mSplitUnsupportedToast = Toast.makeText(getContext(),

            R.string.toast_split_app_unsupported, Toast.LENGTH_SHORT);

    /**

     * Keeps track of the index of the TaskView that split screen was initialized with so we know

    public void confirmSplitSelect(TaskView taskView) {

        mSplitToast.cancel();

        if (!taskView.getTask().isDockable) {

            // Task not split screen supported

            mSplitUnsupportedToast.show();

            return;

        }

        RectF secondTaskStartingBounds = new RectF();

        Rect secondTaskEndingBounds = new Rect();

        // TODO(194414938) starting bounds seem slightly off, investigate

        int duration = mActivity.getStateManager().getState().getTransitionDuration(getContext());

        PendingAnimation pendingAnim = new PendingAnimation(duration);

        mSplitToast.cancel();

        mSplitUnsupportedToast.cancel();

        if (!animate) {

            resetFromSplitSelectionState();

            return pendingAnim;