android.widget.GridView.getNumColumns()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.getNumColumns()方法的一些代码示例，展示了GridView.getNumColumns()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.getNumColumns()方法的具体详情如下：
包路径：android.widget.GridView
类名称：GridView
方法名：getNumColumns

GridView.getNumColumns介绍

暂无

代码示例

代码示例来源：origin: liaohuqiu/android-GridViewWithHeaderAndFooter

@TargetApi(11)
private int getNumColumnsCompatible() {
  if (Build.VERSION.SDK_INT >= 11) {
    return super.getNumColumns();
  } else {
    try {
      Field numColumns = GridView.class.getDeclaredField("mNumColumns");
      numColumns.setAccessible(true);
      return numColumns.getInt(this);
    } catch (Exception e) {
      if (mNumColumns != -1) {
        return mNumColumns;
      }
      throw new RuntimeException("Can not determine the mNumColumns for this API platform, please call setNumColumns to set it.");
    }
  }
}

代码示例来源：origin: square/assertj-android

@TargetApi(HONEYCOMB)
public GridViewAssert hasColumnCount(int count) {
 isNotNull();
 int actualCount = actual.getNumColumns();
 assertThat(actualCount) //
   .overridingErrorMessage("Expected column count <%s> but was <%s>.", count, actualCount) //
   .isEqualTo(count);
 return this;
}

代码示例来源：origin: MyLifeMyTravel/AndroidDemo

public int getNumColums() {
  return mGvUploadImage.getNumColumns();
}

代码示例来源：origin: 1993hzw/Doodle

public int getColumnCount() {
  return mGridView.getNumColumns();
}

代码示例来源：origin: stackoverflow.com

GridView mGridView = (GridView)findViewById(R.id.gridview);
int column_coutnt = mGridView.getNumColumns();

代码示例来源：origin: stackoverflow.com

GridView myGridView = (GridView) findViewById(R.id.my_grid_view);
AppConst.NUM_OF_COLUMNS = myGridView.getNumColumns();

代码示例来源：origin: OceanLabs/Android-Print-SDK

/*****************************************************
 *
 * Returns the number of product items.
 *
 *****************************************************/
@Override
public int getCount()
 {
 // We don't want to calculate the apparent item count in the constructor, because
 // setting the number of columns for the GridView is requested after the layout has
 // been inflated, and usually results in the adaptor being created before the change
 // has taken effect.
 int columnCount = mGridView.getNumColumns();
 // We always round the number of images to be a multiple of the column count, so we can display a placeholder
 // image in any 'missing' slots.
 mApparentItemCount = ( columnCount > 1 ? ( ( mActualItemCount + ( columnCount / 2 ) ) / columnCount ) * columnCount: mActualItemCount );
 return ( mApparentItemCount );
 }

代码示例来源：origin: michelelacorte/AndroidAppShortcuts

/**
 * Get grid size
 * @param gridView AdapterView
 * @return GridSize
 */
public static GridSize getGridSize(AdapterView gridView){
  int nColumn = ((GridView) gridView).getNumColumns();
  double nRow = Math.ceil((double)gridView.getCount()/(double)((GridView) gridView).getNumColumns());
  Log.d(TAG, "Number of Row: " + (int)nRow + "\nNumber of Column: " + nColumn);
  return new GridSize(nColumn, (int)nRow);
}

代码示例来源：origin: zzkong/BaseProject

@TargetApi(11)
private int getNumColumnsCompatible() {
  if (Build.VERSION.SDK_INT >= 11) {
    return super.getNumColumns();
  } else {
    try {
      Field numColumns = GridView.class.getDeclaredField("mNumColumns");
      numColumns.setAccessible(true);
      return numColumns.getInt(this);
    } catch (Exception e) {
      if (mNumColumns != -1) {
        return mNumColumns;
      }
      throw new RuntimeException("Can not determine the mNumColumns for this API platform, please call setNumColumns to set it.");
    }
  }
}

代码示例来源：origin: navyifanr/AndroidTrainingDemo

@TargetApi(11)
private int getNumColumnsCompatible() {
  if (Build.VERSION.SDK_INT >= 11) {
    return super.getNumColumns();
  } else {
    try {
      Field numColumns = GridView.class.getDeclaredField("mNumColumns");
      numColumns.setAccessible(true);
      return numColumns.getInt(this);
    } catch (Exception e) {
      if (mNumColumns != -1) {
        return mNumColumns;
      }
      throw new RuntimeException("Can not determine the mNumColumns for this API platform, please call setNumColumns to set it.");
    }
  }
}

代码示例来源：origin: madreain/AndroidDream

@TargetApi(11)
private int getNumColumnsCompatible() {
  if (Build.VERSION.SDK_INT >= 11) {
    return super.getNumColumns();
  } else {
    try {
      Field numColumns = GridView.class.getDeclaredField("mNumColumns");
      numColumns.setAccessible(true);
      return numColumns.getInt(this);
    } catch (Exception e) {
      if (mNumColumns != -1) {
        return mNumColumns;
      }
      throw new RuntimeException("Can not determine the mNumColumns for this API platform, please call setNumColumns to set it.");
    }
  }
}

代码示例来源：origin: com.squareup.assertj/assertj-android

@TargetApi(HONEYCOMB)
public GridViewAssert hasColumnCount(int count) {
 isNotNull();
 int actualCount = actual.getNumColumns();
 assertThat(actualCount) //
   .overridingErrorMessage("Expected column count <%s> but was <%s>.", count, actualCount) //
   .isEqualTo(count);
 return this;
}

代码示例来源：origin: michelelacorte/AndroidAppShortcuts

/**
 * Get position in grid
 * @param currentXPosition int
 * @param currentYPosition int
 * @param gridView AdapterView
 * @return int
 */
private int getPositionInGrid(int currentXPosition, int currentYPosition, AdapterView gridView){
  int positionInGrid = 0;
  if(gridView != null) {
    positionInGrid = ((GridView) gridView).pointToPosition(currentXPosition, currentYPosition);
    positionInGrid -= ((GridView) gridView).getNumColumns();
    positionInGrid %= ((GridView) gridView).getNumColumns();
    Log.d(TAG, "Position In Grid: " + String.valueOf(positionInGrid));
    if(positionInGrid < 0){
      positionInGrid = ((GridView) gridView).pointToPosition(currentXPosition, currentYPosition);
      Log.w(TAG, "Position In Grid lower than 0, trying again, positionInGrid: " + String.valueOf(positionInGrid));
    }
  }
  return positionInGrid;
}

代码示例来源：origin: com.nhaarman.listviewanimations/lib-core

/**
 * Returns the delay in milliseconds after which animation for View with position mLastAnimatedPosition + 1 should start.
 */
@SuppressLint("NewApi")
private int calculateAnimationDelay(final int position) {
  int delay;
  int lastVisiblePosition = mListViewWrapper.getLastVisiblePosition();
  int firstVisiblePosition = mListViewWrapper.getFirstVisiblePosition();
  int numberOfItemsOnScreen = lastVisiblePosition - firstVisiblePosition;
  int numberOfAnimatedItems = position - 1 - mFirstAnimatedPosition;
  if (numberOfItemsOnScreen + 1 < numberOfAnimatedItems) {
    delay = mAnimationDelayMillis;
    if (mListViewWrapper.getListView() instanceof GridView && Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
      int numColumns = ((GridView) mListViewWrapper.getListView()).getNumColumns();
      delay += mAnimationDelayMillis * (position % numColumns);
    }
  } else {
    int delaySinceStart = (position - mFirstAnimatedPosition) * mAnimationDelayMillis;
    delay = Math.max(0, (int) (-SystemClock.uptimeMillis() + mAnimationStartMillis + mInitialDelayMillis + delaySinceStart));
  }
  return delay;
}

代码示例来源：origin: gateship-one/odyssey

mScrollSpeed = (int) (1000 / timeScrollPerRow) * gw.getNumColumns();
} else {
  mScrollSpeed = (int) (1000 / timeScrollPerRow);

代码示例来源：origin: hezhubo/HPlayer

@SuppressLint("NewApi")
private long calculateAnimationDelay() {
  long delay;
  int lastVisiblePosition = getAbsListView().getLastVisiblePosition();
  int firstVisiblePosition = getAbsListView().getFirstVisiblePosition();
  int numberOfItemsOnScreen = lastVisiblePosition - firstVisiblePosition;
  int numberOfAnimatedItems = mLastAnimatedPosition - mFirstAnimatedPosition;
  if (numberOfItemsOnScreen + 1 < numberOfAnimatedItems) {
    delay = getAnimationDelayMillis();
    if (getAbsListView() instanceof GridView && Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
      delay += getAnimationDelayMillis() * ((mLastAnimatedPosition + 1) % ((GridView) getAbsListView()).getNumColumns());
    }
  } else {
    long delaySinceStart = (mLastAnimatedPosition - mFirstAnimatedPosition + 1) * getAnimationDelayMillis();
    delay = mAnimationStartMillis + getInitialDelayMillis() + delaySinceStart - System.currentTimeMillis();
  }
  return Math.max(0, delay);
}

代码示例来源：origin: MoMoWait/LeanbackLauncher

return true;
}else if(keyCode == KeyEvent.KEYCODE_DPAD_UP){
  int numCols = mAllAppGridView.getNumColumns();
  int selectedPosition = mAllAppGridView.getSelectedItemPosition();
  if(selectedPosition / numCols == 0)

代码示例来源：origin: michelelacorte/AndroidAppShortcuts

int mIconWidth = maxXScreen / ((GridView) gridView).getNumColumns();
int dim = (positionInGrid) * mIconWidth;
int layoutHeightTotal = DIM_HEIGHT * shortcuts.size() + 20;

代码示例来源：origin: michelelacorte/AndroidAppShortcuts

int mIconWidth = maxXScreen / ((GridView) gridView).getNumColumns();
int dim = (positionInGrid) * mIconWidth;
int layoutHeightTotal = DIM_HEIGHT * shortcuts.length + 20;

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