Example usage for android.support.v4.view ViewPager arrowScroll

Introduction

In this page you can find the example usage for android.support.v4.view ViewPager arrowScroll.

Prototype

public boolean arrowScroll(int direction) 

Source Link

Usage

From source file:com.vuze.android.remote.AndroidUtilsUI.java

public static boolean handleCommonKeyDownEvents(Activity a, int keyCode, KeyEvent event) {
    if (event.getAction() != KeyEvent.ACTION_DOWN) {
        return false;
    }//from w  w  w  .ja  v  a2 s . c  om
    switch (keyCode) {
    case KeyEvent.KEYCODE_MEDIA_NEXT:
    case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: {
        ViewGroup vg = (ViewGroup) a.findViewById(android.R.id.content);
        ArrayList list = AndroidUtilsUI.findByClass(vg, ViewPager.class, new ArrayList<View>(0));

        if (list.size() > 0) {
            ViewPager viewPager = (ViewPager) list.get(0);
            viewPager.arrowScroll(View.FOCUS_RIGHT);
        }
        break;
    }

    case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
    case KeyEvent.KEYCODE_MEDIA_REWIND: {
        ViewGroup vg = (ViewGroup) a.findViewById(android.R.id.content);
        ArrayList list = AndroidUtilsUI.findByClass(vg, ViewPager.class, new ArrayList<View>(0));

        if (list.size() > 0) {
            ViewPager viewPager = (ViewPager) list.get(0);
            viewPager.arrowScroll(View.FOCUS_LEFT);
        }
        break;
    }

    case KeyEvent.KEYCODE_DPAD_LEFT: {
        if (a instanceof DrawerActivity) {
            DrawerActivity da = (DrawerActivity) a;
            DrawerLayout drawerLayout = da.getDrawerLayout();
            View viewFocus = a.getCurrentFocus();
            boolean canOpenDrawer = viewFocus != null && "leftmost".equals(viewFocus.getTag());
            if (canOpenDrawer) {
                drawerLayout.openDrawer(Gravity.LEFT);
                drawerLayout.requestFocus();
                return true;
            }
        }
        break;
    }

    }

    return false;
}

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