Examples with NestedScrollView android.support.v4.widget.NestedScrollView used on opensource projects

Example 1 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project bilibili-android-client by HotBitmapGG.

the class BangumiDetailsActivity method initToolBar.

@Override
public void initToolBar() {
    mToolbar.setTitle("番剧详情");
    setSupportActionBar(mToolbar);
    ActionBar supportActionBar = getSupportActionBar();
    if (supportActionBar != null) {
        supportActionBar.setDisplayHomeAsUpEnabled(true);
    }
    //设置Toolbar的透明度
    mToolbar.setBackgroundColor(Color.argb(0, 251, 114, 153));
    //设置StatusBar透明
    SystemBarHelper.immersiveStatusBar(this);
    SystemBarHelper.setPadding(this, mToolbar);
    //获取顶部image高度和toolbar高度
    float imageHeight = getResources().getDimension(R.dimen.bangumi_details_top_layout_height);
    float toolBarHeight = getResources().getDimension(R.dimen.action_bar_default_height);
    mNestedScrollView.setNestedScrollingEnabled(true);
    mNestedScrollView.setOnScrollChangeListener(new NestedScrollView.OnScrollChangeListener() {

        @Override
        public void onScrollChange(NestedScrollView v, int scrollX, int scrollY, int oldScrollX, int oldScrollY) {
            //根据NestedScrollView滑动改变Toolbar的透明度
            float offsetY = toolBarHeight - imageHeight;
            //计算滑动距离的偏移量
            float offset = 1 - Math.max((offsetY - scrollY) / offsetY, 0f);
            float absOffset = Math.abs(offset);
            //如果滑动距离大于1就设置完全不透明度
            if (absOffset >= 1) {
                absOffset = 1;
            }
            mToolbar.setBackgroundColor(Color.argb((int) (absOffset * 255), 251, 114, 153));
        }
    });
}

Example 2 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project LookLook by xinghongfei.

the class TopNewsDescribeActivity method initData.

protected void initData() {
    id = getIntent().getStringExtra("docid");
    title = getIntent().getStringExtra("title");
    mTextView.setText(title);
    mImageUrl = getIntent().getStringExtra("image");
    scrollListener = new NestedScrollView.OnScrollChangeListener() {

        @Override
        public void onScrollChange(NestedScrollView v, int scrollX, int scrollY, int oldScrollX, int oldScrollY) {
            if (oldScrollY < 168) {
                mShot.setOffset(-oldScrollY);
                mTextView.setOffset(-oldScrollY);
            }
        }
    };
    Glide.with(this).load(mImageUrl).override(width, heigh).listener(glideLoadListener).centerCrop().diskCacheStrategy(DiskCacheStrategy.SOURCE).into(mShot);
    mTopNewsDesPresenter = new TopNewsDesPresenterImpl(this);
    mNest.setOnScrollChangeListener(scrollListener);
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        postponeEnterTransition();
        mShot.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() {

            @Override
            public boolean onPreDraw() {
                mShot.getViewTreeObserver().removeOnPreDrawListener(this);
                startPostponedEnterTransition();
                return true;
            }
        });
    }
    mReturnHomeListener = new AnimUtils.TransitionListenerAdapter() {

        @Override
        public void onTransitionStart(Transition transition) {
            super.onTransitionStart(transition);
            // hide the fab as for some reason it jumps position??  TODO work out why
            mToolbar.animate().alpha(0f).setDuration(100).setInterpolator(new AccelerateInterpolator());
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
                mShot.setElevation(1f);
                mToolbar.setElevation(0f);
            }
            mNest.animate().alpha(0f).setDuration(50).setInterpolator(new AccelerateInterpolator());
        }
    };
    mEnterTrasitionListener = new AnimUtils.TransitionListenerAdapter() {

        @Override
        public void onTransitionEnd(Transition transition) {
            super.onTransitionEnd(transition);
            //                    解决5.0 shara element bug
            ValueAnimator valueAnimator = ValueAnimator.ofInt(0, 100).setDuration(100);
            valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {

                @Override
                public void onAnimationUpdate(ValueAnimator valueAnimator) {
                    //                            mShot.setOffset((Integer) valueAnimator.getAnimatedValue() * 10);
                    mNest.smoothScrollTo((Integer) valueAnimator.getAnimatedValue() / 10, 0);
                }
            });
            valueAnimator.start();
        //                    mShot.setAlpha(0.5f);
        //                    mShot.animate().alpha(1f).setDuration(800L).start();
        }

        @Override
        public void onTransitionResume(Transition transition) {
            super.onTransitionResume(transition);
        }
    };
}

Example 3 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project easy by MehdiBenmesa.

the class Utils method scrollTo.

public static void scrollTo(Object scroll, float yOffset) {
    if (scroll instanceof RecyclerView) {
        // RecyclerView.scrollTo : UnsupportedOperationException
        // Moved to the RecyclerView.LayoutManager.scrollToPositionWithOffset
        // Have to be instanceOf RecyclerView.LayoutManager to work (so work with RecyclerView.GridLayoutManager)
        final RecyclerView.LayoutManager layoutManager = ((RecyclerView) scroll).getLayoutManager();
        if (layoutManager instanceof LinearLayoutManager) {
            LinearLayoutManager linearLayoutManager = (LinearLayoutManager) layoutManager;
            linearLayoutManager.scrollToPositionWithOffset(0, (int) -yOffset);
        } else if (layoutManager instanceof StaggeredGridLayoutManager) {
            StaggeredGridLayoutManager staggeredGridLayoutManager = (StaggeredGridLayoutManager) layoutManager;
            staggeredGridLayoutManager.scrollToPositionWithOffset(0, (int) -yOffset);
        }
    } else if (scroll instanceof NestedScrollView) {
        ((NestedScrollView) scroll).scrollTo(0, (int) yOffset);
    }
}

Example 4 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project SmoothRefreshLayout by dkzwm.

the class HorizontalBoundaryUtil method isVerticalView.

private static boolean isVerticalView(View view) {
    if (view instanceof AbsListView || view instanceof ScrollView || view instanceof NestedScrollView || view instanceof WebView) {
        return true;
    }
    try {
        if (view instanceof RecyclerView) {
            RecyclerView recyclerView = (RecyclerView) view;
            RecyclerView.LayoutManager manager = recyclerView.getLayoutManager();
            if (manager != null) {
                if (manager instanceof LinearLayoutManager) {
                    LinearLayoutManager linearManager = ((LinearLayoutManager) manager);
                    if (linearManager.getOrientation() == LinearLayoutManager.VERTICAL)
                        return true;
                } else if (manager instanceof StaggeredGridLayoutManager) {
                    StaggeredGridLayoutManager gridLayoutManager = (StaggeredGridLayoutManager) manager;
                    if (gridLayoutManager.getOrientation() == StaggeredGridLayoutManager.VERTICAL)
                        return true;
                }
            }
        }
    } catch (NoClassDefFoundError e) {
        e.printStackTrace();
    }
    return false;
}

Example 5 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project SmoothRefreshLayout by dkzwm.

the class ScrollCompat method scrollCompat.

public static boolean scrollCompat(View view, float deltaY) {
    if (view != null) {
        if (view instanceof AbsListView) {
            final AbsListView listView = (AbsListView) view;
            if (Build.VERSION.SDK_INT >= 19) {
                listView.scrollListBy((int) deltaY);
                return true;
            } else {
                try {
                    @SuppressLint("PrivateApi") Method method = AbsListView.class.getDeclaredMethod("trackMotionScroll", int.class, int.class);
                    if (method != null) {
                        method.setAccessible(true);
                        method.invoke(listView, -(int) deltaY, -(int) deltaY);
                    }
                } catch (Exception e) {
                    return false;
                }
            }
            return true;
        } else if ((view instanceof WebView) || (view instanceof ScrollView) || (view instanceof NestedScrollView)) {
            view.scrollBy(0, (int) deltaY);
        } else {
            try {
                if (view instanceof RecyclerView) {
                    view.scrollBy(0, (int) deltaY);
                    return true;
                }
            } catch (NoClassDefFoundError e) {
            // ignore exception
            }
        }
    }
    return false;
}