android.widget.GridView.getWidth()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中android.widget.GridView.getWidth()方法的一些代码示例，展示了GridView.getWidth()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。GridView.getWidth()方法的具体详情如下：
包路径：android.widget.GridView
类名称：GridView
方法名：getWidth

GridView.getWidth介绍

暂无

代码示例

代码示例来源：origin: amitshekhariitbhu/Fast-Android-Networking

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
  @Override
  public void onGlobalLayout() {
    if (mAdapter.getNumColumns() == 0) {
      final int numColumns = (int) Math.floor(
          mGridView.getWidth() / (mImageThumbSize + mImageThumbSpacing));
      if (numColumns > 0) {
        final int columnWidth =
            (mGridView.getWidth() / numColumns) - mImageThumbSpacing;
        mAdapter.setNumColumns(numColumns);
        mAdapter.setItemHeight(columnWidth);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
          mGridView.getViewTreeObserver()
              .removeOnGlobalLayoutListener(this);
        } else {
          mGridView.getViewTreeObserver()
              .removeGlobalOnLayoutListener(this);
        }
      }
    }
  }
});

代码示例来源：origin: jeasonlzy/ImagePicker

@Override
  public View getView(int position, View convertView, ViewGroup parent) {
    ImageView imageView;
    int size = gridView.getWidth() / 3;
    if (convertView == null) {
      imageView = new ImageView(ImagePickerActivity.this);
      AbsListView.LayoutParams params = new AbsListView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, size);
      imageView.setLayoutParams(params);
      imageView.setBackgroundColor(Color.parseColor("#88888888"));
    } else {
      imageView = (ImageView) convertView;
    }
    imagePicker.getImageLoader().displayImage(ImagePickerActivity.this, getItem(position).path, imageView, size, size);
    return imageView;
  }
}

代码示例来源：origin: caohaoping/PhotosWall

@Override
  public void onGlobalLayout() {
    // 计算列数
    final int numColumns = (int) Math.floor(mPhotoWallView.getWidth() / (mImageThumbSize + mImageThumbSpacing));
    if (numColumns > 0) {
      int columnWidth = (mPhotoWallView.getWidth() / numColumns) - mImageThumbSpacing;
      mWallAdapter.setItemSize(columnWidth);
      mPhotoWallView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
    }
  }
});

代码示例来源：origin: googlecodelabs/android-topeka

/**
   * Calculates spans for avatars dynamically.
   *
   * @return The recommended amount of columns.
   */
  private int calculateSpanCount() {
    int avatarSize = getResources().getDimensionPixelSize(R.dimen.size_fab);
    int avatarPadding = getResources().getDimensionPixelSize(R.dimen.spacing_double);
    return mAvatarGrid.getWidth() / (avatarSize + avatarPadding);
  }
}

代码示例来源：origin: WuXiaolong/WoChat

@TargetApi(VERSION_CODES.JELLY_BEAN)
  @Override
  public void onGlobalLayout() {
    final int numColumns = (int) Math.floor(mGridView
        .getWidth()
        / (mImageThumbSize + mImageThumbSpacing));
    if (numColumns > 0) {
      final int columnWidth = (mGridView.getWidth() / numColumns)
          - mImageThumbSpacing;
      mAdapter.setItemHeight(columnWidth);
      if (BuildConfig.DEBUG) {
        Log.d(TAG,
            "onCreateView - numColumns set to "
                + numColumns);
      }
      if (Utils.hasJellyBean()) {
        mGridView.getViewTreeObserver()
            .removeOnGlobalLayoutListener(this);
      } else {
        mGridView.getViewTreeObserver()
            .removeGlobalOnLayoutListener(this);
      }
    }
  }
});

代码示例来源：origin: easemob/kefu-android-demo

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
          @Override
          public void onGlobalLayout() {
            final int numColumns = (int) Math.floor(mGridView
                .getWidth()
                / (mImageThumbSize + mImageThumbSpacing));
            if (numColumns > 0) {
              final int columnWidth = (mGridView.getWidth() / numColumns)
                  - mImageThumbSpacing;
              mAdapter.setItemHeight(columnWidth);
//                            if (BuildConfig.DEBUG) {
//                                Log.d(TAG,
//                                        "onCreateView - numColumns set to "
//                                                + numColumns);
//                            }
              if (Utils.hasJellyBean()) {
                mGridView.getViewTreeObserver()
                    .removeOnGlobalLayoutListener(this);
              } else {
                mGridView.getViewTreeObserver()
                    .removeGlobalOnLayoutListener(this);
              }
            }
          }
        });

代码示例来源：origin: huangfangyi/FanXin

@TargetApi(VERSION_CODES.JELLY_BEAN)
  @Override
  public void onGlobalLayout() {
    final int numColumns = (int) Math.floor(mGridView
        .getWidth()
        / (mImageThumbSize + mImageThumbSpacing));
    if (numColumns > 0) {
      final int columnWidth = (mGridView.getWidth() / numColumns)
          - mImageThumbSpacing;
      mAdapter.setItemHeight(columnWidth);
      if (BuildConfig.DEBUG) {
        Log.d(TAG,
            "onCreateView - numColumns set to "
                + numColumns);
      }
      if (Utils.hasJellyBean()) {
        mGridView.getViewTreeObserver()
            .removeOnGlobalLayoutListener(this);
      } else {
        mGridView.getViewTreeObserver()
            .removeGlobalOnLayoutListener(this);
      }
    }
  }
});

代码示例来源：origin: stackoverflow.com

public static void setDynamicHeightGridView(GridView mListView,String oddeven) {
   ListAdapter mListAdapter = mListView.getAdapter();
   if (mListAdapter == null) {
     return;
   }
   int height = 0;
   int desiredWidth = View.MeasureSpec.makeMeasureSpec(mListView.getWidth(), View.MeasureSpec.UNSPECIFIED);
   for(int i = 0; i < mListAdapter.getCount(); i++){
     View listItem = mListAdapter.getView(i, null, mListView);
     listItem.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED);
     height += listItem.getMeasuredHeight();
     itemHeight=listItem.getMeasuredHeight()/3;
   }
   ViewGroup.LayoutParams params = mListView.getLayoutParams();
   if(oddeven.equals("odd")){
     if(mListAdapter.getCount()>=5){
       int count=((mListAdapter.getCount()-5)/2) + 1;
       params.height = ((height - (height / 3)) - (itemHeight * count)) + 20 + (count * 5);
     }else{
       params.height = height - (height / 3) + 20;
     }
   }else if(oddeven.equals("even")) {
     params.height = height/2 + 20;
   }
   mListView.setLayoutParams(params);
   mListView.requestLayout();
 }

代码示例来源：origin: stackoverflow.com

gwight = gridview1.getWidth(); 
ghight = gridview1.getHeight();
  try {

代码示例来源：origin: zxfnicholas/CameraSDK

@Override @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
  public void onGlobalLayout() {
    final int width = mGridView.getWidth();
    final int height = mGridView.getHeight();
    // mGridWidth = width;
    // mGridHeight = height;
    final int desireSize = getResources().getDimensionPixelOffset(R.dimen.image_size);
    final int numCount = width / desireSize;
    final int columnSpace = getResources().getDimensionPixelOffset(R.dimen.space_size);
    int columnWidth = (width - columnSpace*(numCount-1)) / numCount;
    mImageAdapter.setItemSize(columnWidth);
    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN){
      mGridView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
    }else{
      mGridView.getViewTreeObserver().removeGlobalOnLayoutListener(this);
    }
  }
});

代码示例来源：origin: stackoverflow.com

public static void setHeightDynamically(GridView listView) {
   ListAdapter listAdapter = listView.getAdapter();
   if (listAdapter == null)
     return;
   int desiredWidth = View.MeasureSpec.makeMeasureSpec(listView.getWidth(), View.MeasureSpec.UNSPECIFIED);
   int totalHeight = 0;
   View view = null;
   for (int i = 0; i < listAdapter.getCount(); i = i+2) {
     view = listAdapter.getView(i, view, listView);
     view.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED);
     totalHeight += view.getMeasuredHeight();
   }
   ViewGroup.LayoutParams params = listView.getLayoutParams();
   params.height = totalHeight;
   listView.setLayoutParams(params);
   listView.requestLayout();
 }

代码示例来源：origin: stackoverflow.com

@Override public View getView(final int pos, View convertView, ViewGroup parent) {
  g[pos].setLayoutParams(new GridView.LayoutParams(gv.getWidth(), gv.getHeight()));           
  return g[pos];
  ImageView mIV = new ImageView(Test.this);
  mIV.setBackgroundResource(images[pos]);
  mIV.setLayoutParams(new Gallery.LayoutParams(gv.getWidth(), gv.getHeight()/3));         
  return mIV;

代码示例来源：origin: stackoverflow.com

public static void setGridViewHeightBasedOnChildren(GridView gridView, int columns) {
   ListAdapter listAdapter = gridView.getAdapter();
   if (listAdapter == null)
     return;
   int desiredWidth = View.MeasureSpec.makeMeasureSpec(gridView.getWidth(), View.MeasureSpec.UNSPECIFIED);
   int totalHeight = 0;
   View view = null;
   int rows = listAdapter.getCount() / columns;
   if(listAdapter.getCount() % columns> 0){
     rows++;
   }
   for (int i = 0; i < rows; i++) {
     view = listAdapter.getView(i, view, gridView);
     if (i == 0)
       view.setLayoutParams(new ViewGroup.LayoutParams(desiredWidth, LinearLayout.LayoutParams.WRAP_CONTENT));
     view.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED);
     totalHeight += view.getMeasuredHeight();
   }
   ViewGroup.LayoutParams params = gridView.getLayoutParams();
   params.height = totalHeight + (gridView.getHorizontalSpacing() * rows);
   gridView.setLayoutParams(params);
   gridView.requestLayout();
 }

代码示例来源：origin: stackoverflow.com

public View getView(final int pos, View convertView, ViewGroup parent) {
  g[pos].setLayoutParams(new GridView.LayoutParams(gv.getWidth(), gv
      .getHeight()));
  return g[pos];
  ImageView mIV = new ImageView(Test.this);
  mIV.setBackgroundResource(images[pos]);
  mIV.setLayoutParams(new Gallery.LayoutParams(gv.getWidth(), gv
      .getHeight() / 3));
  return mIV;

代码示例来源：origin: stackoverflow.com

mCellWidth = mGrid.getWidth()/numberOfColumns;
mCellHeight = mGrid.getHeight()/numberOfRows;
mGrid.setColumnWidth(mCellWidth);

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