Examples with PageViewStateCallback org.edx.mobile.view.common.PageViewStateCallback used on opensource projects

Example 1 with PageViewStateCallback

use of org.edx.mobile.view.common.PageViewStateCallback in project edx-app-android by edx.

the class CourseUnitNavigationActivity method navigateNextComponent.

@Override
public void navigateNextComponent() {
    int index = pager.getCurrentItem();
    if (index < pagerAdapter.getCount() - 1) {
        PageViewStateCallback curView = (PageViewStateCallback) pagerAdapter.instantiateItem(pager, index);
        if (curView != null)
            curView.onPageDisappear();
        pager.setCurrentItem(index + 1);
    }
}

Example 2 with PageViewStateCallback

use of org.edx.mobile.view.common.PageViewStateCallback in project edx-app-android by edx.

the class CourseUnitNavigationActivity method onCreate.

protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    RelativeLayout insertPoint = (RelativeLayout) findViewById(R.id.fragment_container);
    LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    View v = inflater.inflate(R.layout.view_course_unit_pager, null);
    insertPoint.addView(v, 0, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
    pager = (DisableableViewPager) findViewById(R.id.pager);
    pagerAdapter = new CourseUnitPagerAdapter(getSupportFragmentManager(), environment.getConfig(), unitList, courseData, this);
    pager.setAdapter(pagerAdapter);
    pager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {

        @Override
        public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
        }

        @Override
        public void onPageSelected(int position) {
        }

        @Override
        public void onPageScrollStateChanged(int state) {
            if (state == ViewPager.SCROLL_STATE_DRAGGING) {
                int curIndex = pager.getCurrentItem();
                PageViewStateCallback curView = (PageViewStateCallback) pagerAdapter.instantiateItem(pager, curIndex);
                if (curView != null)
                    curView.onPageDisappear();
            }
            if (state == ViewPager.SCROLL_STATE_IDLE) {
                int curIndex = pager.getCurrentItem();
                PageViewStateCallback curView = (PageViewStateCallback) pagerAdapter.instantiateItem(pager, curIndex);
                if (curView != null)
                    curView.onPageShow();
                tryToUpdateForEndOfSequential();
            }
        }
    });
    findViewById(R.id.course_unit_nav_bar).setVisibility(View.VISIBLE);
    mPreviousBtn.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            navigatePreviousComponent();
        }
    });
    mNextBtn.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            navigateNextComponent();
        }
    });
}

Example 3 with PageViewStateCallback

use of org.edx.mobile.view.common.PageViewStateCallback in project edx-app-android by edx.

the class CourseUnitNavigationActivity method navigatePreviousComponent.

@Override
public void navigatePreviousComponent() {
    int index = pager.getCurrentItem();
    if (index > 0) {
        PageViewStateCallback curView = (PageViewStateCallback) pagerAdapter.instantiateItem(pager, index);
        if (curView != null)
            curView.onPageDisappear();
        pager.setCurrentItem(index - 1);
    }
}