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

Example 6 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project smooth-app-bar-layout by henrytao-me.

the class Utils method syncOffset.

public static boolean syncOffset(SmoothAppBarLayout smoothAppBarLayout, View target, int verticalOffset, View scroll) {
    boolean isSelected = target == scroll;
    if (scroll instanceof NestedScrollView) {
        NestedScrollView nestedScrollView = (NestedScrollView) scroll;
        if (nestedScrollView.getScrollY() < verticalOffset || (!isSelected && isScrollToTop(target))) {
            nestedScrollView.scrollTo(0, verticalOffset);
        }
        if (isSelected && (nestedScrollView.getScrollY() < verticalOffset || verticalOffset == 0)) {
            nestedScrollView.scrollTo(0, 0);
            smoothAppBarLayout.syncOffset(0);
        }
    } else if (scroll instanceof RecyclerView) {
        RecyclerView recyclerView = (RecyclerView) scroll;
        boolean isAccuracy = recyclerView.getLayoutManager().findViewByPosition(ObservableRecyclerView.HEADER_VIEW_POSITION) != null;
        if (isAccuracy && recyclerView.computeVerticalScrollOffset() < verticalOffset) {
            recyclerView.scrollBy(0, verticalOffset - recyclerView.computeVerticalScrollOffset());
        } else if (!isSelected && isScrollToTop(target)) {
            recyclerView.scrollToPosition(ObservableRecyclerView.HEADER_VIEW_POSITION);
        }
        if (isAccuracy && isSelected && (recyclerView.computeVerticalScrollOffset() < verticalOffset || verticalOffset == 0)) {
            recyclerView.scrollToPosition(ObservableRecyclerView.HEADER_VIEW_POSITION);
            smoothAppBarLayout.syncOffset(0);
        }
    }
    return true;
}

Example 7 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 8 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 9 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 10 with NestedScrollView

use of android.support.v4.widget.NestedScrollView in project GeekNews by codeestX.

the class ZhihuDetailActivity method initEventAndData.

@Override
protected void initEventAndData() {
    setToolBar(viewToolbar, "");
    Intent intent = getIntent();
    id = intent.getExtras().getInt("id");
    isNotTransition = intent.getBooleanExtra("isNotTransition", false);
    mPresenter.queryLikeData(id);
    mPresenter.getDetailData(id);
    mPresenter.getExtraData(id);
    ivProgress.start();
    WebSettings settings = wvDetailContent.getSettings();
    if (SharedPreferenceUtil.getNoImageState()) {
        settings.setBlockNetworkImage(true);
    }
    if (SharedPreferenceUtil.getAutoCacheState()) {
        settings.setAppCacheEnabled(true);
        settings.setDomStorageEnabled(true);
        settings.setDatabaseEnabled(true);
        if (SystemUtil.isNetworkConnected()) {
            settings.setCacheMode(WebSettings.LOAD_DEFAULT);
        } else {
            settings.setCacheMode(WebSettings.LOAD_CACHE_ONLY);
        }
    }
    settings.setJavaScriptEnabled(true);
    settings.setLoadWithOverviewMode(true);
    settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
    settings.setSupportZoom(true);
    wvDetailContent.setWebViewClient(new WebViewClient() {

        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.loadUrl(url);
            return true;
        }
    });
    nsvScroller.setOnScrollChangeListener(new NestedScrollView.OnScrollChangeListener() {

        @Override
        public void onScrollChange(NestedScrollView v, int scrollX, int scrollY, int oldScrollX, int oldScrollY) {
            if (scrollY - oldScrollY > 0 && isBottomShow) {
                //下移隐藏
                isBottomShow = false;
                llDetailBottom.animate().translationY(llDetailBottom.getHeight());
            } else if (scrollY - oldScrollY < 0 && !isBottomShow) {
                //上移出现
                isBottomShow = true;
                llDetailBottom.animate().translationY(0);
            }
        }
    });
    (getWindow().getSharedElementEnterTransition()).addListener(new Transition.TransitionListener() {

        @Override
        public void onTransitionStart(Transition transition) {
        }

        @Override
        public void onTransitionEnd(Transition transition) {
            /**
                 * 测试发现部分手机(如红米note2)上加载图片会变形,没有达到centerCrop效果
                 * 查阅资料发现Glide配合SharedElementTransition是有坑的,需要在Transition动画结束后再加载图片
                 * https://github.com/TWiStErRob/glide-support/blob/master/src/glide3/java/com/bumptech/glide/supportapp/github/_847_shared_transition/DetailFragment.java
                 */
            isTransitionEnd = true;
            if (imgUrl != null) {
                isImageShow = true;
                ImageLoader.load(mContext, imgUrl, detailBarImage);
            }
        }

        @Override
        public void onTransitionCancel(Transition transition) {
        }

        @Override
        public void onTransitionPause(Transition transition) {
        }

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