Android 刷新幻灯片布局
图片中的示例:Android 刷新幻灯片布局,android,android-viewpager,android-5.0-lollipop,Android,Android Viewpager,Android 5.0 Lollipop,图片中的示例: 空PagerView PagerView包含新内容(slidengtablayout不更新) 视图的新实例(SlidingTabLayoutupdated) 这是我的代码: public class CharSortFragment extends Fragment { private final String TAG = "CharSortFragment"; private ViewPager viewPager; private TabsP
PagerView
PagerView
包含新内容(slidengtablayout
不更新)SlidingTabLayout
updated)李>
这是我的代码:
public class CharSortFragment extends Fragment {
private final String TAG = "CharSortFragment";
private ViewPager viewPager;
private TabsPagerAdapter tabsAdapter;
private SlidingTabLayout slidingTabLayout;
private FragmentActivity activity;
public CharSortFragment() {}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
Log.d(TAG, "OnCreate view...");
final View view = inflater.inflate(R.layout.char_sort_fragment, container, false);
activity = getActivity();
Log.d(TAG, "Init add button...");
FloatingActionButton addButton = (FloatingActionButton) view.findViewById(R.id.add_button);
addButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.d(TAG, "Add button was clicked...");
startActivityForResult(new Intent(getActivity(), EditActivity.class), 1);
}
});
viewPager = (ViewPager) view.findViewById(R.id.pager);
tabsAdapter = new TabsPagerAdapter(activity.getSupportFragmentManager());
viewPager.setAdapter(tabsAdapter);
Log.d(TAG, "Connecting PagerSlidingTabStrip...");
slidingTabLayout = (SlidingTabLayout) view.findViewById(R.id.tabs);
slidingTabLayout.setViewPager(viewPager);
Log.d(TAG, "OnCreate finished!");
return view;
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.d(TAG, "On activity result: " + resultCode);
if(resultCode == 1) {
Log.d(TAG, "Notify data changes...");
tabsAdapter.updateCharSet();
tabsAdapter.notifyDataSetChanged();
slidingTabLayout.invalidate();
CardListFragment cardListFragment = tabsAdapter.currentFragment;
/* Обновляем TabsAdapter всегда, ибо я ленивая жопа
if(tabsAdapter.currentFragment == null) {
tabsAdapter.updateCharSet();
tabsAdapter.notifyDataSetChanged();
cardListFragment = tabsAdapter.currentFragment;
}
*/
RecyclerViewAdapter recyclerViewAdapter = cardListFragment.getAdapter();
recyclerViewAdapter.updateDataSet();
recyclerViewAdapter.notifyDataSetChanged();
Log.d(TAG, "Views was notified!");
}
}
public class TabsPagerAdapter extends FragmentPagerAdapter {
private final String TAG = "TabsPagerAdapter";
private final HashSet<TongueTwister> data = TongueTwistersStorageManager.getInstance().getData();
private final ArrayList<Character> characters = new ArrayList<>();
private CardListFragment currentFragment;
public TabsPagerAdapter(FragmentManager fm) {
super(fm);
Log.i(TAG, "Creating TabsPagerAdapter...");
updateCharSet();
}
@Override
public Fragment getItem(int position) {
char charAtCurrentPos = characters.get(position);
return CardListFragment.newInstance(charAtCurrentPos);
}
protected void updateCharSet() {
this.characters.clear();
this.characters.addAll(generateCharList());
}
private ArrayList<Character> generateCharList() {
Log.i(TAG, "Generating char list...");
Log.i(TAG, "Total tongue twisters: " + data.size());
HashSet<Character> hashCharacters = new HashSet<>();
for (TongueTwister tongueTwister : data) {
for(char character : tongueTwister.getCharacters()) {
if(!hashCharacters.contains(character)) {
Log.i(TAG, "Char: " + character);
hashCharacters.add(character);
}
}
}
Log.i(TAG, "Sorting...");
ArrayList<Character> characters = new ArrayList<>(hashCharacters);
Collections.sort(characters);
Log.i(TAG, "Char list was generated!");
return characters;
}
@Override
public int getCount() {
return characters.size();
}
@Override
public CharSequence getPageTitle(int position) {
return String.valueOf(characters.get(position));
}
@Override
public void setPrimaryItem(ViewGroup container, int position, Object object) {
currentFragment = (CardListFragment) object;
}
}
}
公共类CharSortFragment扩展片段{
私有最终字符串标记=“CharSortFragment”;
私人视页机视页机;
私人TabsPagerAdapter Tabsdapter;
私人滑出滑出;
私人碎片活动;
public CharSortFragment(){}
@凌驾
CreateView上的公共视图(布局、充气机、视图组容器、捆绑包保存状态){
Log.d(标记“OnCreate视图…”);
最终视图=充气机。充气(R.layout.char\u sort\u片段,容器,false);
activity=getActivity();
Log.d(标记“Init add button…”);
FloatingActionButton addButton=(FloatingActionButton)view.findViewById(R.id.add_按钮);
addButton.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图v){
Log.d(标记“单击添加按钮…”);
startActivityForResult(新意图(getActivity(),EditActivity.class),1);
}
});
viewPager=(viewPager)view.findViewById(R.id.pager);
tabsAdapter=new TabsPagerAdapter(activity.getSupportFragmentManager());
viewPager.setAdapter(tabsAdapter);
Log.d(标记为“连接页面LidingTabstrip…”);
slidingTabLayout=(slidingTabLayout)view.findViewById(R.id.tabs);
slidingTabLayout.setViewPager(viewPager);
Log.d(标记“oncreatefinished!”);
返回视图;
}
@凌驾
ActivityResult上的公共void(int请求代码、int结果代码、意图数据){
Log.d(标记“关于活动结果:”+resultCode);
if(resultCode==1){
Log.d(标签“通知数据更改…”);
tabsAdapter.updateCharSet();
tabsAdapter.notifyDataSetChanged();
slidingTabLayout.invalidate();
CardListFragment-CardListFragment=tabsAdapter.currentFragment;
/*ббббббббббб
if(tabsAdapter.currentFragment==null){
tabsAdapter.updateCharSet();
tabsAdapter.notifyDataSetChanged();
cardListFragment=tabsAdapter.currentFragment;
}
*/
RecycleWebAdapter RecycleWebAdapter=cardListFragment.getAdapter();
RecycleServiceAdapter.updateDataSet();
RecycleServiceAdapter.notifyDataSetChanged();
Log.d(标记“已通知视图!”);
}
}
公共类选项卡SpagerAdapter扩展了FragmentPagerAdapter{
私有最终字符串TAG=“TabsPagerAdapter”;
private final HashSet data=TongueTwistersStorageManager.getInstance().getData();
私有最终ArrayList字符=新ArrayList();
私有CardListFragment当前片段;
公共选项卡SpagerAdapter(FragmentManager fm){
超级(fm);
Log.i(标记“创建TabsPagerAdapter…”);
updateCharSet();
}
@凌驾
公共片段getItem(int位置){
charactercurrentpos=characters.get(位置);
返回CardListFragment.newInstance(charAtCurrentPos);
}
受保护的void updateCharSet(){
this.characters.clear();
this.characters.addAll(generateCharList());
}
私有ArrayList generateCharList(){
Log.i(标记“生成字符列表…”);
Log.i(标签,“总舌绕口令:+data.size());
HashSet hashCharacters=新HashSet();
for(舌片捻线器舌片捻线器:数据){
for(字符:tongueTwister.getCharacters()){
如果(!hashCharacters.contains(字符)){
Log.i(标记,“Char:+字符);
hashCharacters.add(字符);
}
}
}
Log.i(标记“排序…”);
ArrayList字符=新的ArrayList(哈希字符);
集合。排序(字符);
i(标记“Char list was generated!”);
返回字符;
}
@凌驾
public int getCount(){
返回字符。size();
}
@凌驾
公共字符序列getPageTitle(int位置){
返回String.valueOf(characters.get(position));
}
@凌驾
公共void setPrimaryItem(视图组容器、int位置、对象){
currentFragment=(CardListFragment)对象;
}
}
}
如何刷新幻灯片布局
?(slidengtablayout.invalidate()
对我不起作用)找到了解决方案!
更新其适配器后,只需设置ViewPager
:
tabsAdapter.updateCharSet(); // Updating FragmentPagerAdapter
tabsAdapter.notifyDataSetChanged();
slidingTabLayout.setViewPager(viewPager); // Updating SlidingTabStrip