Java MenuItemCompat.expandActionView方法代码示例

import android.support.v4.view.MenuItemCompat; //导入方法依赖的package包/类
public void restoreActionViewStates(Bundle states) {
    if (states != null) {
        SparseArray<Parcelable> viewStates = states.getSparseParcelableArray(getActionViewStatesKey());
        int itemCount = size();
        for (int i = 0; i < itemCount; i++) {
            MenuItem item = getItem(i);
            View v = MenuItemCompat.getActionView(item);
            if (!(v == null || v.getId() == -1)) {
                v.restoreHierarchyState(viewStates);
            }
            if (item.hasSubMenu()) {
                ((SubMenuBuilder) item.getSubMenu()).restoreActionViewStates(states);
            }
        }
        int expandedId = states.getInt(EXPANDED_ACTION_VIEW_ID);
        if (expandedId > 0) {
            MenuItem itemToExpand = findItem(expandedId);
            if (itemToExpand != null) {
                MenuItemCompat.expandActionView(itemToExpand);
            }
        }
    }
}
 

import android.support.v4.view.MenuItemCompat; //导入方法依赖的package包/类
/**
 * Handles selected item from action bar
 *
 * @param item - item
 * @return
 */
@Override
public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();

    if (id == R.id.action_search) {
        MenuItemCompat.expandActionView(item);
        return true;
    }

    return super.onOptionsItemSelected(item);

}
 

import android.support.v4.view.MenuItemCompat; //导入方法依赖的package包/类
/**
 * 展开SearchView进行查询
 *
 * @param key
 */
private void search(String key) {
    MenuItemCompat.expandActionView(searchMenuItem);
    if (!TextUtils.isEmpty(key)) {
        searchView.setQuery(key, true);
        saveSearchHistory(key);
    }
}
 

import android.support.v4.view.MenuItemCompat; //导入方法依赖的package包/类
private void updateSearch(String search) {
    if (menuSearch != null) {
        SearchView searchView = (SearchView) MenuItemCompat.getActionView(menuSearch);
        if (search == null) {
            if (menuSearch.isActionViewExpanded())
                adapter.getFilter().filter(searchView.getQuery().toString());
        } else {
            MenuItemCompat.expandActionView(menuSearch);
            searchView.setQuery(search, true);
        }
    }
}
 

import android.support.v4.view.MenuItemCompat; //导入方法依赖的package包/类
private void searchItems(String query) {
    if (itemSearch != null && searchView != null) {
        MenuItemCompat.expandActionView(itemSearch);
        searchView.setQuery(query, true);
        searchView.clearFocus();
    }
}
 

import android.support.v4.view.MenuItemCompat; //导入方法依赖的package包/类
@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.menu_search, menu);
    MenuItem searchItem = menu.findItem(R.id.action_search);
    SearchView searchView =
            (SearchView) MenuItemCompat.getActionView(searchItem);
    searchView.setOnQueryTextListener(this);
    searchView.setInputType(InputType.TYPE_TEXT_FLAG_CAP_WORDS);
    searchView.setQuery(mPresenter.getSearchModels().get(0).getQuery(), false);
    if (isInputMode) {
        MenuItemCompat.expandActionView(searchItem);
    } else {
        MenuItemCompat.collapseActionView(searchItem);
    }
    MenuItemCompat.setOnActionExpandListener(searchItem, this);

    AutoCompleteTextView autoCompleteTextView = searchView
            .findViewById(android.support.v7.appcompat.R.id.search_src_text);
    autoCompleteTextView.setThreshold(0);
    autoCompleteTextView.setAdapter(new ArrayAdapter<>(this,
            R.layout.layout_item_simple_list, mPresenter.getSearchRecordList()));
    autoCompleteTextView.setDropDownBackgroundDrawable(new ColorDrawable(ViewUtils.getWindowBackground(getActivity())));
    autoCompleteTextView.setOnItemClickListener((parent, view, position, id) -> {
        onQueryTextSubmit(parent.getAdapter().getItem(position).toString());
    });

    return super.onCreateOptionsMenu(menu);
}
 

import android.support.v4.view.MenuItemCompat; //导入方法依赖的package包/类
protected void onRestoreInstanceState(Parcelable state) {
    SavedState ss = (SavedState) state;
    super.onRestoreInstanceState(ss.getSuperState());
    Menu menu = this.mMenuView != null ? this.mMenuView.peekMenu() : null;
    if (!(ss.expandedMenuItemId == 0 || this.mExpandedMenuPresenter == null || menu == null)) {
        MenuItem item = menu.findItem(ss.expandedMenuItemId);
        if (item != null) {
            MenuItemCompat.expandActionView(item);
        }
    }
    if (ss.isOverflowOpen) {
        postShowOverflowMenu();
    }
}