android.widget.ListView.requestFocus()方法的使用及代码示例

x33g5p2x  于2022-01-23 转载在 其他  
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本文整理了Java中android.widget.ListView.requestFocus()方法的一些代码示例，展示了ListView.requestFocus()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。ListView.requestFocus()方法的具体详情如下：
包路径：android.widget.ListView
类名称：ListView
方法名：requestFocus

ListView.requestFocus介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

ListView list_view = getListView();
list_view.requestFocus();
list_view.setSelection(0);

代码示例来源：origin: stackoverflow.com

ListView listView = findViewById(R.id.list);
listView.setFocusableInTouchMode(true);
listView.requestFocus();

代码示例来源：origin: sh0/kotoba-android

public void Search(String query)
  {
    // Save query string
    m_state_query = query;

    // Search
    ArrayList<SearchWord> result = m_search.Search(query);
    m_result_adapter = new SearchAdapter(result);
    m_result_view.setAdapter(m_result_adapter);

    // Focus
    m_result_view.requestFocus();
  }
}

代码示例来源：origin: RWebRTC/WebRTC-Android-Learn

@Override
public void onResume() {
 super.onResume();
 String room = sharedPref.getString(keyprefRoom, "");
 roomEditText.setText(room);
 roomList = new ArrayList<String>();
 String roomListJson = sharedPref.getString(keyprefRoomList, null);
 if (roomListJson != null) {
  try {
   JSONArray jsonArray = new JSONArray(roomListJson);
   for (int i = 0; i < jsonArray.length(); i++) {
    roomList.add(jsonArray.get(i).toString());
   }
  } catch (JSONException e) {
   Log.e(TAG, "Failed to load room list: " + e.toString());
  }
 }
 adapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, roomList);
 roomListView.setAdapter(adapter);
 if (adapter.getCount() > 0) {
  roomListView.requestFocus();
  roomListView.setItemChecked(0, true);
 }
}

代码示例来源：origin: stackoverflow.com

private void setupListViewAdapter(ListView listView, View headerView, View footerView){
  listView.setDividerHeight(5);
  listView.setFadingEdgeLength(200);
  listView.addHeaderView(headerView, null, false);//--> here is another assignment
  listView.addFooterView(footerView, null, false);//--> here is another assignment
  listView.setScrollingCacheEnabled(false);
  listView.requestFocus(0);
  listView.setAdapter(mDataAdapter);
}

代码示例来源：origin: andforce/Maps

mListView.requestFocus();
mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
  @Override

代码示例来源：origin: hedzr/android-file-chooser

private boolean doMoveUp() {
  if (_list.hasFocus()) {
    Log.d("z", "move up at " + _adapter.getHoveredIndex());
    int indexOld = _adapter.getHoveredIndex();
    int index = _adapter.decreaseHoveredIndex();
    if (indexOld >= 0 && indexOld != index) {
      UiUtil.ensureVisible(_list, index);
      _list.requestFocus();
    } else {
      _list.setSelection(index); // to prevent the list scroll to top.
      moveFocusToButtons();
    }
  } else if (buttonsHasFocus()) {
    _list.requestFocus();
  }
  return true;
}

代码示例来源：origin: hedzr/android-file-chooser

private boolean doMoveDown() {
  if (_list.hasFocus()) {
    Log.d("z", "move down at " + _adapter.getHoveredIndex());
    int indexOld = _adapter.getHoveredIndex();
    int index = _adapter.increaseHoveredIndex();
    if (indexOld >= 0 && indexOld != index) {
      UiUtil.ensureVisible(_list, index);
      _list.requestFocus();
    } else {
      _list.setSelection(index); // to prevent the list scroll to top.
      moveFocusToButtons();
    }
  } else if (buttonsHasFocus()) {
    _list.requestFocus();
  }
  return true;
}

代码示例来源：origin: rogerta/secrets-for-android

@Override
protected void onNewIntent(Intent intent) {
 // This method is invoked when the user performs a search from the global
 // search dialog.  It is called each time the user presses the "Done"
 // button on the search keyboard.
 // Get the search string. Make it a full text search by ensuring the
 // string begins with a dot.
 setIntent(intent);
 String filter = intent.getStringExtra(SearchManager.QUERY);
 if (filter.charAt(0) != SecretsListAdapter.DOT)
  filter = SecretsListAdapter.DOT + filter;
 getListView().setFilterText(filter);
 // Try to hide the soft keyboard, if present.  On some devices, setting
 // focus to a view that does not support keyboard input is enough.  On
 // other devices where the the input method manager is implemented, try
 // to hide the keyboard explicitly.
 getListView().requestFocus();
 OS.hideSoftKeyboard(this, getListView());
 allowNextResume = true;
}

代码示例来源：origin: sh0/kotoba-android

private void UiSentences()
{
  // Sentence tab visiblity
  if (!m_state_sentence_active) {
    // Sentences not visible
    m_view_question_root.requestFocus();
    m_view_question_root.setVisibility(View.VISIBLE);
    m_view_sentence_list.setVisibility(View.GONE);
  } else {
    // Sentences visible
    m_view_sentence_list.requestFocus();
    m_view_sentence_list.setVisibility(View.VISIBLE);
    m_view_question_root.setVisibility(View.GONE);
    // Check if already set
    if (!m_sentence_set) {
      // Last question
      DataTrainQuestion last = m_train.Last();
      if (last == null)
        return;
      // Word
      WordTrain word = last.WordQuestion();
      if (word == null)
        return;
      // Set word reference
      m_list_sentence.SetSref(word.Info().SrefArray());
      // Mark as set
      m_sentence_set = true;
    }
  }
}

代码示例来源：origin: hedzr/android-file-chooser

File file = _entries.get(position);
if (file.getName().equals("..")) {
  if (!_list.hasFocus()) _list.requestFocus();
  doGoBack();
  return;

代码示例来源：origin: geniusgithub/AndroidDialer

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
    Bundle savedInstanceState) {
  onCreateView(inflater, container);
  boolean searchMode = isSearchMode();
  mAdapter.setSearchMode(searchMode);
  mAdapter.configureDefaultPartition(false, searchMode);
  mAdapter.setPhotoLoader(mPhotoManager);
  mListView.setAdapter(mAdapter);
  if (!isSearchMode()) {
    mListView.setFocusableInTouchMode(true);
    mListView.requestFocus();
  }
  return mView;
}

代码示例来源：origin: stackoverflow.com

lv.requestFocus();

代码示例来源：origin: rogerta/secrets-for-android

@Override
public void onAnimationEnd(Animation animation) {
 if (AdapterView.INVALID_POSITION != editingPosition) {
  ListView listView = getListView();
  listView.requestFocus();
  int first = listView.getFirstVisiblePosition();
  int last = listView.getLastVisiblePosition();
  if (editingPosition < first || editingPosition > last) {
   listView.setSelection(editingPosition);
  }
 }
 setTitle();
 if (1 == secretsList.getAllSecrets().size()) {
  showToast(getText(R.string.list_instructions));
 }
}

代码示例来源：origin: qiubiteme/android_api_demos

public void run() {
    final float centerX = mContainer.getWidth() / 2.0f;
    final float centerY = mContainer.getHeight() / 2.0f;
    Rotate3dAnimation rotation;
    if (mPosition > -1) {
      mPhotosList.setVisibility(View.GONE);
      mImageView.setVisibility(View.VISIBLE);
      mImageView.requestFocus();
      rotation = new Rotate3dAnimation(90, 180, centerX, centerY, 310.0f, false);
    } else {
      mImageView.setVisibility(View.GONE);
      mPhotosList.setVisibility(View.VISIBLE);
      mPhotosList.requestFocus();
      rotation = new Rotate3dAnimation(90, 0, centerX, centerY, 310.0f, false);
    }
    rotation.setDuration(500);
    rotation.setFillAfter(true);
    rotation.setInterpolator(new DecelerateInterpolator());
    mContainer.startAnimation(rotation);
  }
}

代码示例来源：origin: li2/learning-android-open-source

public void run() {
    final float centerX = mContainer.getWidth() / 2.0f;
    final float centerY = mContainer.getHeight() / 2.0f;
    Rotate3dAnimation rotation;
    
    if (mPosition > -1) {
      mPhotosList.setVisibility(View.GONE);
      mImageView.setVisibility(View.VISIBLE);
      mImageView.requestFocus();
      rotation = new Rotate3dAnimation(90, 180, centerX, centerY, 310.0f, false);
    } else {
      mImageView.setVisibility(View.GONE);
      mPhotosList.setVisibility(View.VISIBLE);
      mPhotosList.requestFocus();
      rotation = new Rotate3dAnimation(90, 0, centerX, centerY, 310.0f, false);
    }
    rotation.setDuration(500);
    rotation.setFillAfter(true);
    rotation.setInterpolator(new DecelerateInterpolator());
    mContainer.startAnimation(rotation);
  }
}

代码示例来源：origin: TUM-Dev/Campus-Android

@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_timetable_widget_configure);
  // Setup toolbar and save button
  setSupportActionBar(findViewById(R.id.main_toolbar));
  if (getSupportActionBar() != null) {
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    Drawable closeIcon = ContextCompat.getDrawable(this, R.drawable.ic_check);
    if (closeIcon != null) {
      int color = ContextCompat.getColor(this, R.color.color_primary);
      closeIcon.setTint(color);
    }
    getSupportActionBar().setHomeAsUpIndicator(closeIcon);
  }
  // Get appWidgetId from intent
  Bundle extras = getIntent().getExtras();
  if (extras != null) {
    appWidgetId = extras.getInt(
        AppWidgetManager.EXTRA_APPWIDGET_ID,
        AppWidgetManager.INVALID_APPWIDGET_ID);
  }
  ListView listViewLectures = findViewById(R.id.activity_timetable_lectures);
  // Initialize stations adapter
  CalendarController calendarController = new CalendarController(this);
  List<CalendarItem> lectures = calendarController.getLecturesForWidget(this.appWidgetId);
  listViewLectures.setAdapter(new LectureListSelectionAdapter(this, lectures, this.appWidgetId));
  listViewLectures.requestFocus();
}

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