本文整理了Java中android.widget.Adapter类的一些代码示例，展示了Adapter类的具体用法。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。Adapter类的具体详情如下：
包路径：android.widget.Adapter
类名称：Adapter

Adapter介绍

暂无

代码示例

代码示例来源：origin: robolectric/robolectric

/**
 * @return the items that are available to be clicked on
 */
public CharSequence[] getItems() {
 Adapter adapter = getShadowAlertController().getAdapter();
 int count = adapter.getCount();
 CharSequence[] items = new CharSequence[count];
 for (int i = 0; i < items.length; i++) {
  items[i] = (CharSequence) adapter.getItem(i);
 }
 return items;
}

代码示例来源：origin: square/assertj-android

public S isNotEmpty() {
 isNotNull();
 assertThat(actual.isEmpty()) //
   .overridingErrorMessage("Expected to not be empty but was.") //
   .isFalse();
 return myself;
}

代码示例来源：origin: chentao0707/SimplifyReader

/**
   * Remember enough information to restore the screen state when the data has
   * changed.
   *
   */
  void rememberSyncState() {
    if (getChildCount() > 0) {
      mNeedSync = true;
      mSyncHeight = mLayoutHeight;
      // Sync the based on the offset of the first view
      View v = getChildAt(0);
      T adapter = getAdapter();
      if (mFirstPosition >= 0 && mFirstPosition < adapter.getCount()) {
        mSyncRowId = adapter.getItemId(mFirstPosition);
      } else {
        mSyncRowId = NO_ID;
      }
      mSyncPosition = mFirstPosition;
      if (v != null) {
        mSpecificTop = v.getTop();
      }
      mSyncMode = SYNC_FIRST_POSITION;
    }
  }
}

代码示例来源：origin: stackoverflow.com

/**
 * Computes the widest view in an adapter, best used when you need to wrap_content on a ListView, please be careful
 * and don't use it on an adapter that is extremely numerous in items or it will take a long time.
 *
 * @param context Some context
 * @param adapter The adapter to process
 * @return The pixel width of the widest View
 */
public static int getWidestView(Context context, Adapter adapter) {
  int maxWidth = 0;
  View view = null;
  FrameLayout fakeParent = new FrameLayout(context);
  for (int i=0, count=adapter.getCount(); i<count; i++) {
    view = adapter.getView(i, view, fakeParent);
    view.measure(View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);
    int width = view.getMeasuredWidth();
    if (width > maxWidth) {
      maxWidth = width;
    }
  }
  return maxWidth;
}

代码示例来源：origin: stackoverflow.com

@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
  super.onCreateContextMenu(menu, v, menuInfo);

  // Get the info on which item was selected
  AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;

  // Get the Adapter behind your ListView (this assumes you're using
  // a ListActivity; if you're not, you'll have to store the Adapter yourself
  // in some way that can be accessed here.)
  Adapter adapter = getListAdapter();

  // Retrieve the item that was clicked on
  Object item = adapter.getItem(info.position);
}

@Override
public boolean onContextItemSelected(MenuItem item) {
  // Here's how you can get the correct item in onContextItemSelected()
  AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
  Object item = getListAdapter().getItem(info.position);
}

代码示例来源：origin: com.actionbarsherlock/actionbarsherlock

void checkFocus() {
  final T adapter = getAdapter();
  final boolean empty = adapter == null || adapter.getCount() == 0;
  final boolean focusable = !empty || isInFilterMode();
  // The order in which we set focusable in touch mode/focusable may matter
  // for the client, see View.setFocusableInTouchMode() comments for more
  // details
  super.setFocusableInTouchMode(focusable && mDesiredFocusableInTouchModeState);
  super.setFocusable(focusable && mDesiredFocusableState);
  if (mEmptyView != null) {
    updateEmptyStatus((adapter == null) || adapter.isEmpty());
  }
}

代码示例来源：origin: square/assertj-android

public S hasCount(int count) {
 isNotNull();
 int actualCount = actual.getCount();
 assertThat(actualCount) //
   .overridingErrorMessage("Expected count <%s> but was <%s>.", count, actualCount) //
   .isEqualTo(count);
 return myself;
}

代码示例来源：origin: stackoverflow.com

mAdapter.unregisterDataSetObserver(mDataSetObserver);
mAdapter.registerDataSetObserver(mDataSetObserver);
    final int dataPosition = i - getHeaderViewsCount();
    final int childPosition = i - getFirstVisiblePosition();
    if (dataPosition >= 0 && dataPosition < mAdapter.getCount()
        && getChildAt(childPosition) != null) {
      Log.v(TAG, "Refreshing view (data=" + dataPosition + ",child=" + childPosition + ")");
      mAdapter.getView(dataPosition, getChildAt(childPosition), this);

代码示例来源：origin: quaap/LaunchTime

@Override
  public void onClick(View view) {
    onItemClick(staticListView.mAdapter.getItem(pos), itemView, pos, staticListView.mAdapter.getItemId(pos));
  }
});

代码示例来源：origin: chentao0707/SimplifyReader

public long getItemIdAtPosition(int position) {
  T adapter = getAdapter();
  return (adapter == null || position < 0) ? INVALID_ROW_ID : adapter.getItemId(position);
}

代码示例来源：origin: stackoverflow.com

// ListView myListView = the ListView in question
// int selectedRow = the currently selected row in the ListView
// Each row in the ListView is backed by an object of type MyCustomDataClass

int dbRowId;
Adapter adapter = myListView.getAdapter();

MyCustomDataClass data = (MyCustomDataClass) adapter.getItem(selectedRow);
dbRowId = data.getDatabaseRowId();
// OR
dbRowId = data.rowId;
// OR whatever method the object has for getting the ID.

// OR
View listViewRow = adapter.getView(selectedRow);
TextView dbRowView = (TextView) listViewRow.findViewById(R.id.rowid);
String dbRowAsString = dbRowView.getText().toString();
dbRowId = Integer.parseInt(dbRowAsString);

代码示例来源：origin: robolectric/robolectric

public int findIndexOfItemContainingText(String targetText) {
 for (int i = 0; i < realAdapterView.getCount(); i++) {
  View childView = realAdapterView.getAdapter().getView(i, null, new FrameLayout(realAdapterView.getContext()));
  ShadowView shadowView = Shadow.extract(childView);
  String innerText = shadowView.innerText();
  if (innerText.contains(targetText)) {
   return i;
  }
 }
 return -1;
}

代码示例来源：origin: stackoverflow.com

public class HeaderAdapter{
  private Adapter mAdapter; // this adapter is the adapter that you will normally have, for your listview

  getViewTypeCount(){
    return mAdapter.getViewTypeCount() + 1;
  }

  getView(int pos, View convertView){
    // Handle only the first position, othervise, let mAdapter return
    if (pos!=0) return mAdapter.getView(pos-1, convertView);

    // 
    View v = LayoutInflater.inflate(R.layout.other_linear_layout);
    // Bind the v if necessary

    return v;
  }
}

代码示例来源：origin: chentao0707/SimplifyReader

/**
 * Gets the data associated with the specified position in the list.
 *
 * @param position Which data to get
 * @return The data associated with the specified position in the list
 */
public Object getItemAtPosition(int position) {
  T adapter = getAdapter();
  return (adapter == null || position < 0) ? null : adapter.getItem(position);
}

代码示例来源：origin: dalong982242260/CarrouselView

void checkFocus() {
  final T adapter = getAdapter();
  final boolean empty = adapter == null || adapter.getCount() == 0;
  final boolean focusable = !empty || isInFilterMode();
  // The order in which we set focusable in touch mode/focusable may matter
  // for the client, see View.setFocusableInTouchMode() comments for more
  // details
  super.setFocusableInTouchMode(focusable && mDesiredFocusableInTouchModeState);
  super.setFocusable(focusable && mDesiredFocusableState);
  if (mEmptyView != null) {
    updateEmptyStatus((adapter == null) || adapter.isEmpty());
  }
}

代码示例来源：origin: commonsguy/cw-omnibus

@Override
 public void check(View view,
          NoMatchingViewException noViewFoundException) {
  Assert.assertTrue(view instanceof AdapterView);
  Assert.assertEquals(count,
   ((AdapterView)view).getAdapter().getCount());
 }
}

代码示例来源：origin: GeekGhost/Ghost

private void addNextCard() {
  if (nextAdapterCard < mAdapter.getCount()) {
    // TODO: Make view recycling work
    // TODO: Instead of removing the view from here and adding it again when it's swiped
    // ... don't remove and add to this instance: don't call removeView & addView in sequence.
    View newBottomChild = mAdapter.getView(nextAdapterCard, null/*lastRemovedView*/, this);
    if (hardwareAccelerationEnabled) {
      //set backed by an off-screen buffer
      newBottomChild.setLayerType(View.LAYER_TYPE_HARDWARE, null);
    }
    //set the initial Y value so card appears from under the deck
    //newBottomChild.setY(paddingTop);
    addAndMeasureChild(newBottomChild);
    nextAdapterCard++;
  }
  setupTopCard();
}

代码示例来源：origin: chentao0707/SimplifyReader

rowId = adapter.getItemId(seed);
if (rowId == idToMatch) {

代码示例来源：origin: androidquery/androidquery

adapter.getView(drawPos, convertView, parent);

代码示例来源：origin: chentao0707/SimplifyReader

/**
 * @return The data corresponding to the currently selected item, or
 * null if there is nothing selected.
 */
public Object getSelectedItem() {
  T adapter = getAdapter();
  int selection = getSelectedItemPosition();
  if (adapter != null && adapter.getCount() > 0 && selection >= 0) {
    return adapter.getItem(selection);
  } else {
    return null;
  }
}