Java HorizontalScrollView类代码示例

import android.widget.HorizontalScrollView; //导入依赖的package包/类
public static boolean scrollCompat(View view, float deltaY) {
    if (view != null) {
        if ((view instanceof WebView)
                || (view instanceof HorizontalScrollView)) {
            view.scrollBy((int) deltaY, 0);
        } else {
            try {
                if (view instanceof RecyclerView) {
                    view.scrollBy((int) deltaY, 0);
                    return true;
                }
            } catch (NoClassDefFoundError e) {
                //ignore exception
            }
        }
    }
    return false;
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
public GravityView setImage(ImageView image, int drawable) {
    image_view = image;
    Bitmap bmp = resizeBitmap(Common.getDeviceHeight(mContext), drawable);
    image_view.setLayoutParams(new HorizontalScrollView.LayoutParams(bmp.getWidth(), bmp.getHeight()));
    image_view.setImageBitmap(bmp);
    mMaxScroll = bmp.getWidth();
    if (image.getParent() instanceof HorizontalScrollView) {
            ((HorizontalScrollView) image.getParent()).setOnTouchListener(new View.OnTouchListener() {
                @Override
                public boolean onTouch(View view, MotionEvent motionEvent) {
                    return true;
                }
            });
    }
    return gravityView;
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
@Override
public void onBindViewHolder(MyViewHolder holder, final int position) {
    if(holder.itemView.getScrollX()!=0){
        ((HorizontalScrollView)holder.itemView).fullScroll(View.FOCUS_UP);//如果item的HorizontalScrollView没在初始位置，则滚动回顶部
    }
    holder.ll.setMinimumWidth(screenwidth);//设置LinearLayout宽度为屏幕宽度
    holder.tv.setText("图"+position);
    Picasso.with(LineActivity2.this).load(meizis.get(position).getUrl()).into(holder.iv);

    holder.ll.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            SnackbarUtil.ShortSnackbar(coordinatorLayout,"点击第"+position+"个",SnackbarUtil.Info).show();
        }
    });
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
private void init() {
    removeAllViews();

    View root;
    if (mAdjustMode) {
        root = LayoutInflater.from(getContext()).inflate(R.layout.pager_navigator_layout_no_scroll, this);
    } else {
        root = LayoutInflater.from(getContext()).inflate(R.layout.pager_navigator_layout, this);
    }

    mScrollView = (HorizontalScrollView) root.findViewById(R.id.scroll_view);   // mAdjustMode为true时，mScrollView为null

    mTitleContainer = (LinearLayout) root.findViewById(R.id.title_container);
    mTitleContainer.setPadding(mLeftPadding, 0, mRightPadding, 0);

    mIndicatorContainer = (LinearLayout) root.findViewById(R.id.indicator_container);
    if (mIndicatorOnTop) {
        mIndicatorContainer.getParent().bringChildToFront(mIndicatorContainer);
    }

    initTitlesAndIndicator();
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
/**
 * Wraps the given <var>scrollableView</var> into scrollable wrapper implementation that best
 * suits to the type of the given view.
 *
 * @param scrollableView The scrollable view to be wrapped into scrollable wrapper.
 * @return New scrollable wrapper instance. See description of this class for supported wrappers.
 */
@SuppressWarnings("unchecked")
public static <V extends View> ScrollableWrapper<V> wrapScrollableView(@NonNull V scrollableView) {
	if (scrollableView instanceof AbsListView) {
		return new AbsListViewWrapper((AbsListView) scrollableView);
	} else if (scrollableView instanceof RecyclerView) {
		return new RecyclerViewWrapper((RecyclerView) scrollableView);
	} else if (scrollableView instanceof ScrollView) {
		return new ScrollViewWrapper((ScrollView) scrollableView);
	} else if (scrollableView instanceof HorizontalScrollView) {
		return new HorizontalScrollViewWrapper((HorizontalScrollView) scrollableView);
	} else if (scrollableView instanceof ViewPager) {
		return new ViewPagerWrapper((ViewPager) scrollableView);
	} else if (scrollableView instanceof WebView) {
		return new WebViewWrapper((WebView) scrollableView);
	}
	return new ViewWrapper(scrollableView);
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
private void initImageListView() {
	final HorizontalScrollView hScrollView = (HorizontalScrollView) findViewByResName("hScrollView");
	ImageListResultsCallback callback = new ImageListResultsCallback() {

		@Override
		public void onFinish(ArrayList<ImageInfo> results) {
			if(results == null)
				return;
			LinearLayout layout = (LinearLayout) findViewByResName("imagesLinearLayout");
			for(ImageInfo imageInfo : results) {
				if(imageInfo.bitmap == null)
					continue;
				layout.addView(makeImageItemView(imageInfo));
			}
		}
	};
	if(!initImageList(callback)) {
		hScrollView.setVisibility(View.GONE);
	}

}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
private static boolean isHorizontalView(View view) {
    if (view instanceof ViewPager || view instanceof HorizontalScrollView
            || 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.HORIZONTAL)
                        return true;
                } else if (manager instanceof StaggeredGridLayoutManager) {
                    StaggeredGridLayoutManager gridLayoutManager = (StaggeredGridLayoutManager) manager;
                    if (gridLayoutManager.getOrientation() == StaggeredGridLayoutManager.HORIZONTAL)
                        return true;
                }
            }
        }
    } catch (NoClassDefFoundError e) {
        e.printStackTrace();
    }
    return false;
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
private void getInterfaceComponents() {

        //Controlsurface setup
        scrollView = (HorizontalScrollView) findViewById(R.id.scrollView);
        scrollViewItems = (LinearLayout) findViewById(R.id.scrollViewItems);
        shortcutButtons = (LinearLayout) findViewById(R.id.shortcutButtons);
        scrollView.smoothScrollTo(0,0);
        scrollView.setEnabled(false);

        settingsView = (LinearLayout) findViewById(R.id.settingsView);
        settingsHassIp = (EditText) findViewById(R.id.hassIpAddress);
        settingsHassPort = (EditText) findViewById(R.id.hassPort);
        settingsHassGroup = (EditText) findViewById(R.id.hassGroup);
        settingsHassPassword = (EditText) findViewById(R.id.hassPassword);
        setupError = (TextView) findViewById(R.id.setupError);

        settingsSubmitButton = (Button) findViewById(R.id.settingsSubmitButton);
        settingsSubmitButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                storeSettings();
            }
        });
    }
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
public CarouselView(Context context, @Nullable AttributeSet attrs) {
    super(context, attrs);

    inflate(getContext(), R.layout.main, this);

    indicatorsMap = new HashMap<>();

    pickerScroll = (HorizontalScrollView) findViewById(R.id.picker_horizontal_scroll);
    pickerLayout = (LinearLayout) findViewById(R.id.picker_linear_layout);

    TypedArray typedArray = context.getTheme().obtainStyledAttributes(attrs, R.styleable.CarouselPicker, 0, 0);
    customIndicator = typedArray.getResourceId(R.styleable.CarouselPicker_customIndicator,0);
    displayIndicator = typedArray.getBoolean(R.styleable.CarouselPicker_displayIndicator,false);
    customIndicatorColor = typedArray.getResourceId(R.styleable.CarouselPicker_customIndicatorColor,0);
    customIndicatorSize = typedArray.getResourceId(R.styleable.CarouselPicker_customIndicatorSize,0);
    customDescriptionColor = typedArray.getResourceId(R.styleable.CarouselPicker_customDescriptionColor,0);
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
public GravityView center() {
    image_view.post(new Runnable() {
        @Override
        public void run() {
            if (mImageWidth > 0) {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH)
                    ((HorizontalScrollView) image_view.getParent()).setScrollX(mImageWidth / 4);
                else
                    ((HorizontalScrollView) image_view.getParent()).setX(mImageWidth / 4);
            } else {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH)
                    ((HorizontalScrollView) image_view.getParent()).setScrollX(((HorizontalScrollView) image_view.getParent()).getWidth() / 2);
                else
                    ((HorizontalScrollView) image_view.getParent()).setX(((HorizontalScrollView) image_view.getParent()).getWidth() / 2);
            }
        }
    });
    return gravityView;
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
private void initImageListView() {
    HorizontalScrollView hScrollView = (HorizontalScrollView) findViewByResName("hScrollView");
    if (!initImageList(new ImageListResultsCallback() {
        public void onFinish(ArrayList<ImageInfo> results) {
            if (results != null) {
                LinearLayout layout = (LinearLayout) EditPage.this.findViewByResName("imagesLinearLayout");
                Iterator it = results.iterator();
                while (it.hasNext()) {
                    ImageInfo imageInfo = (ImageInfo) it.next();
                    if (imageInfo.bitmap != null) {
                        layout.addView(EditPage.this.makeImageItemView(imageInfo));
                    }
                }
            }
        }
    })) {
        hScrollView.setVisibility(8);
    }
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
private void removeAllLevels(int num) {
    if (num >= mDisplayRowNum || num < 1)
        return;

    int b = mDisplayRowNum - num;
    for (int i = mDisplayRowNum - 1; i >= b; i--) {
        if (mDisplayMenus.get(i).getChildAt(0) instanceof HorizontalScrollView) {
            View v = ((HorizontalScrollView) mDisplayMenus.get(i).getChildAt(0)).getChildAt(0);
            if (v != null && v instanceof LinearLayout)
                ((LinearLayout) v).removeAllViews();
        }
        mDisplayMenus.get(i).removeAllViews();
        mDisplayMenus.remove(i);
        removeView(getChildAt(i));
        getBottomMenuItem(mPathRecord.peek()).setSelected(false);
        mPathRecord.pop();
        mDisplayRowNum--;
    }
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
public void testScrollEvents() {
  HorizontalScrollView scrollView = getViewAtPath(0);

  dragLeft();

  waitForBridgeAndUIIdle();
  mScrollListenerModule.waitForScrollIdle();
  waitForBridgeAndUIIdle();

  ArrayList<Double> xOffsets = mScrollListenerModule.getXOffsets();
  assertFalse("Expected to receive at least one scroll event", xOffsets.isEmpty());
  assertTrue("Expected offset to be greater than 0", xOffsets.get(xOffsets.size() - 1) > 0);
  assertTrue(
      "Expected no item click event fired",
      mScrollListenerModule.getItemsPressed().isEmpty());
  assertEquals(
      "Expected last offset to be offset of scroll view",
      PixelUtil.toDIPFromPixel(scrollView.getScrollX()),
      xOffsets.get(xOffsets.size() - 1).doubleValue(),
      1e-5);
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
/**
 * Verify that 'scrollTo' command makes ScrollView start scrolling
 */
public void testScrollToCommand() throws Exception {
  HorizontalScrollView scrollView = getViewAtPath(0);
  ScrollViewTestModule jsModule =
      getReactContext().getCatalystInstance().getJSModule(ScrollViewTestModule.class);

  assertEquals(0, scrollView.getScrollX());

  jsModule.scrollTo(300, 0);
  waitForBridgeAndUIIdle();
  getInstrumentation().waitForIdleSync();

  // Unfortunately we need to use timeouts here in order to wait for scroll animation to happen
  // there is no better way (yet) for waiting for scroll animation to finish
  long timeout = 10000;
  long interval = 50;
  long start = System.currentTimeMillis();
  while (System.currentTimeMillis() - start < timeout) {
    if (scrollView.getScrollX() > 0) {
      break;
    }
    Thread.sleep(interval);
  }
  assertNotSame(0, scrollView.getScrollX());
}
 

import android.widget.HorizontalScrollView; //导入依赖的package包/类
/**
 * Find out the scrollable child view
 * 这里添加了常用的一些可滑动类，特殊类需要添加
 *
 * @param target targetView
 */
private void findScrollView(ViewGroup target) {
    final int count = target.getChildCount();
    if (count > 0) {
        for (int i = 0; i < count; i++) {
            final View child = target.getChildAt(i);
            if (child instanceof AbsListView
                    || isInstanceOfClass(child, ScrollView.class.getName())
                    || isInstanceOfClass(child, NestedScrollView.class.getName())
                    || isInstanceOfClass(child, RecyclerView.class.getName())
                    || child instanceof HorizontalScrollView
                    || child instanceof ViewPager
                    || child instanceof WebView) {
                mScrollChild = child;
                break;
            } else if (child instanceof ViewGroup) {
                findScrollView((ViewGroup) child);
            }
        }
    }
    if (mScrollChild == null) mScrollChild = target;
}