android.widget.ScrollView.getChildAt()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中android.widget.ScrollView.getChildAt()方法的一些代码示例，展示了ScrollView.getChildAt()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ScrollView.getChildAt()方法的具体详情如下：
包路径：android.widget.ScrollView
类名称：ScrollView
方法名：getChildAt

ScrollView.getChildAt介绍

暂无

代码示例

代码示例来源：origin: GitLqr/LQRWeChat

/** 动态适配编辑界面的高度 */
public void run() {
  int height = svContent.getChildAt(0).getHeight();
  RelativeLayout.LayoutParams lp = ResHelper.forceCast(svContent.getLayoutParams());
  if (height > maxBodyHeight && lp.height != maxBodyHeight) {
    lp.height = maxBodyHeight;
    svContent.setLayoutParams(lp);
  } else if (height < maxBodyHeight && lp.height == maxBodyHeight) {
    lp.height = LayoutParams.WRAP_CONTENT;
    svContent.setLayoutParams(lp);
  }
}

代码示例来源：origin: florent37/MaterialViewPager

static boolean canScroll(View view) {
  if (view instanceof ScrollView) {
    ScrollView scrollView = (ScrollView) view;
    View child = scrollView.getChildAt(0);
    if (child != null) {
      int childHeight = child.getHeight();
      return scrollView.getHeight() < childHeight + scrollView.getPaddingTop() + scrollView.getPaddingBottom();
    }
    return false;
  } else if (view instanceof RecyclerView) {
    RecyclerView recyclerView = (RecyclerView) view;
    int yOffset = recyclerView.computeVerticalScrollOffset();
    return yOffset != 0;
  }
  return true;
}

代码示例来源：origin: jaydenxiao2016/AndroidFire

/** 动态适配编辑界面的高度 */
public void run() {
  int height = svContent.getChildAt(0).getHeight();
  RelativeLayout.LayoutParams lp = R.forceCast(svContent.getLayoutParams());
  if (height > maxBodyHeight && lp.height != maxBodyHeight) {
    lp.height = maxBodyHeight;
    svContent.setLayoutParams(lp);
  } else if (height < maxBodyHeight && lp.height == maxBodyHeight) {
    lp.height = LayoutParams.WRAP_CONTENT;
    svContent.setLayoutParams(lp);
  }
}

代码示例来源：origin: Aspsine/SwipeToLoadLayout

@Override
  public void onScrollChanged() {
    if (scrollView.getChildAt(0).getHeight() < scrollView.getScrollY() + scrollView.getHeight() && !ViewCompat.canScrollVertically(scrollView, 1)) {
      swipeToLoadLayout.setLoadingMore(true);
    }
  }
};

代码示例来源：origin: umano/AndroidSlidingUpPanel

} else {
  ScrollView sv = ((ScrollView) scrollableView);
  View child = sv.getChildAt(0);
  return (child.getBottom() - (sv.getHeight() + sv.getScrollY()));

代码示例来源：origin: gzu-liyujiang/AndroidPicker

height += scrollView.getChildAt(i).getHeight();

代码示例来源：origin: aa112901/remusic

ScrollView scrollView = (ScrollView) mTarget;
View view = (View) scrollView
    .getChildAt(scrollView.getChildCount() - 1);
if (view != null) {
  int diff = (view.getBottom() - (scrollView.getHeight() + scrollView

代码示例来源：origin: stackoverflow.com

...
ScrollView z = (ScrollView) findViewById(R.id.scroll);
int totalHeight = z.getChildAt(0).getHeight();
int totalWidth = z.getChildAt(0).getWidth();
u.layout(0, 0, totalWidth, totalHeight);
...

代码示例来源：origin: stackoverflow.com

View u = findViewById(R.id.scroll);
     u.setDrawingCacheEnabled(true);                                                
     ScrollView z = (ScrollView) findViewById(R.id.scroll);
     int totalHeight = z.getChildAt(0).getHeight();
     int totalWidth = z.getChildAt(0).getWidth();
     u.layout(0, 0, totalWidth, totalHeight);    
     u.buildDrawingCache(true);
     Bitmap b = Bitmap.createBitmap(u.getDrawingCache());             
     u.setDrawingCacheEnabled(false);
     //Save bitmap
     String extr = Environment.getExternalStorageDirectory().toString() +   File.separator + "Folder";
     String fileName = new SimpleDateFormat("yyyyMMddhhmm'_report.jpg'").format(new Date());
     File myPath = new File(extr, fileName);
     FileOutputStream fos = null;
     try {
       fos = new FileOutputStream(myPath);
       b.compress(Bitmap.CompressFormat.JPEG, 100, fos);
       fos.flush();
       fos.close();
       MediaStore.Images.Media.insertImage(getContentResolver(), b, "Screen", "screen");
     }catch (FileNotFoundException e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
     } catch (Exception e) {
       // TODO Auto-generated catch block
       e.printStackTrace();
     }

代码示例来源：origin: tianshaojie/AndroidFine

@Override
protected boolean isReadyForPullEnd() {
  View scrollViewChild = mRefreshableView.getChildAt(0);
  if (null != scrollViewChild) {
    return mRefreshableView.getScrollY() >= (scrollViewChild.getHeight() - getHeight());
  }
  return false;
}

代码示例来源：origin: stackoverflow.com

ScrollView scrollView = (ScrollView)findViewById(R.id...);
ViewTreeObserver observer = scrollView.getViewTreeObserver();
observer.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {
  @Override
  public void onGlobalLayout() {
    int viewHeight = scrollView.getMeasuredHeight();
    int contentHeight = scrollView.getChildAt(0).getHeight();
    if(viewHeight - contentHeight < 0) {
      // scrollable
    }
  }
});

代码示例来源：origin: chaychan/TouTiao

public static boolean isScrollViewToBottom(ScrollView scrollView) {
  if (scrollView != null) {
    int scrollContentHeight = scrollView.getScrollY() + scrollView.getMeasuredHeight() - scrollView.getPaddingTop() - scrollView.getPaddingBottom();
    int realContentHeight = scrollView.getChildAt(0).getMeasuredHeight();
    if (scrollContentHeight == realContentHeight) {
      return true;
    }
  }
  return false;
}

代码示例来源：origin: nuptboyzhb/SuperSwipeRefreshLayout

ScrollView scrollView = (ScrollView) mTarget;
View view = (View) scrollView
    .getChildAt(scrollView.getChildCount() - 1);
if (view != null) {
  int diff = (view.getBottom() - (scrollView.getHeight() + scrollView

代码示例来源：origin: stackoverflow.com

ScrollView iv = (ScrollView) findViewById(R.id.scrollView);
Bitmap bitmap = Bitmap.createBitmap(
   iv.getChildAt(0).getWidth(), 
   iv.getChildAt(0).getHeight(), 
   Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(bitmap);
iv.getChildAt(0).draw(c);
// Do whatever you want with your bitmap
saveBitmap(bitmap);

代码示例来源：origin: huxq17/XRefreshView

public boolean canChildPullUp() {
  if (child instanceof AbsListView) {
    AbsListView absListView = (AbsListView) child;
    return canScrollVertically(child, 1)
        || absListView.getLastVisiblePosition() != mTotalItemCount - 1;
  } else if (child instanceof WebView) {
    WebView webview = (WebView) child;
    if (webview instanceof XWebView) {
      return !((XWebView) webview).isBottom();
    } else {
      float left = webview.getContentHeight() * webview.getScale();
      int right = webview.getHeight() + webview.getScrollY();
      return left != right;
    }
  } else if (child instanceof ScrollView) {
    ScrollView scrollView = (ScrollView) child;
    View childView = scrollView.getChildAt(0);
    if (childView != null) {
      return canScrollVertically(child, 1)
          || scrollView.getScrollY() < childView.getHeight() - scrollView.getHeight();
    }
  } else {
    return canScrollVertically(child, 1);
  }
  return true;
}

代码示例来源：origin: Jhuster/JNote

public static Bitmap createBitmap(ScrollView v) {
  int width = 0, height = 0;
  for (int i = 0; i < v.getChildCount(); i++) {
    width += v.getChildAt(i).getWidth();
    height += v.getChildAt(i).getHeight();
  }
  Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
  Canvas canvas = new Canvas(bitmap);
  v.draw(canvas);
  return bitmap;
}

代码示例来源：origin: myxh/CoolShopping

@Override
protected boolean isReadyForPullEnd() {
  View scrollViewChild = mRefreshableView.getChildAt(0);
  if (null != scrollViewChild) {
    return mRefreshableView.getScrollY() >= (scrollViewChild.getHeight() - getHeight());
  }
  return false;
}

代码示例来源：origin: com.albedinsky.android/ui

/**
   */
  @Override
  public boolean isScrolledAtEnd() {
    final View view = mScrollableView.getChildAt(0);
    return view != null && (view.getHeight() - mScrollableView.getHeight()) == mScrollableView.getScrollY();
  }
}

代码示例来源：origin: Wan7451/Wan_RecycleViewAdapter

@Override
protected boolean isReadyForPullEnd() {
  View scrollViewChild = mRefreshableView.getChildAt(0);
  if (null != scrollViewChild) {
    return mRefreshableView.getScrollY() >= (scrollViewChild.getHeight() - getHeight());
  }
  return false;
}

代码示例来源：origin: 736008081/frameAndroid

/** 动态适配编辑界面的高度 */
public void run() {
  int height = svContent.getChildAt(0).getHeight();
  RelativeLayout.LayoutParams lp = com.mob.tools.utils.R.forceCast(svContent.getLayoutParams());
  if (height > maxBodyHeight && lp.height != maxBodyHeight) {
    lp.height = maxBodyHeight;
    svContent.setLayoutParams(lp);
  } else if (height < maxBodyHeight && lp.height == maxBodyHeight) {
    lp.height = LayoutParams.WRAP_CONTENT;
    svContent.setLayoutParams(lp);
  }
}

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