我在主屏幕上有一个带有几个片段的导航抽屉。 在主要（默认）片段中，我有2个recyclerviews。在个人资料片段中，我在3个标签中有3个recyclerviews。
通常，当我使用Recyclerview时，没有出现“错误膨胀”或“跳过布局”错误，但片段始终存在问题。
在正常使用中，一切正常，但是当我一遍又一遍地进入片段的内部和外部时，出现“错误膨胀类”，它指向适配器的onCreateViewHolder（视图= Layoutinflater。
导航活动
public class Page_Navigation extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener {
Fragment fragment;
FragmentManager fragmentManager = getSupportFragmentManager();
NavigationView navigationView;
SharedPreferences mSharedPref;
DrawerLayout drawer;
private Tracker mTracker;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_page__navigation);
//
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
TextView toolbar_head = findViewById(R.id.toolbar_head);
ImageView toolbar_image = findViewById(R.id.toolbar_image);
ImageView toolbar_profile = findViewById(R.id.toolbar_profile);
drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
//
AnalyticsApplication application = (AnalyticsApplication) getApplication();
mTracker = application.getDefaultTracker();
mTracker.setScreenName("page_navigation");
mTracker.send(new HitBuilders.ScreenViewBuilder().build());
//FIRST SETTINGS
setSupportActionBar(toolbar);
Typeface customFont = Typeface.createFromAsset(getAssets(), "Montserrat-Medium.ttf");
toolbar_head.setTypeface(customFont);
//Get Sessions
mSharedPref = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
String session_user_name = mSharedPref.getString("session_user_name", "");
String session_user_photo = mSharedPref.getString("session_user_photo", "");
//Navigation Drawer
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.addDrawerListener(toggle);
toggle.syncState();
navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
navigationView.setItemIconTintList(null);
//
View headerView = navigationView.getHeaderView(0);
TextView nav_userName = (TextView) headerView.findViewById(R.id.textView_nav_userName);
CircleImageView imageView_navigation = (CircleImageView) headerView.findViewById(R.id.imageView_navigation);
Glide.with(getApplicationContext()).load(session_user_photo).into(imageView_navigation);
nav_userName.setText(session_user_name);
headerView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (drawer.isDrawerOpen(Gravity.START)) {
drawer.closeDrawer(Gravity.START);
}
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
showProfileFragment();
}
}, 300);
}
});
toolbar_image.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
drawer.openDrawer(GravityCompat.START);
}
});
toolbar_profile.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Fragment fragment;
FragmentManager manager = getSupportFragmentManager();
fragment = new Nav_Profile();
FragmentTransaction fragmentTransaction = manager.beginTransaction();
fragmentTransaction.replace(R.id.navContent, fragment).addToBackStack(null).commit();
}
});
displayDefaultFragment();
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.page__navigation, menu);
return true;
}
@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();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
final int id = item.getItemId();
drawer.closeDrawer(GravityCompat.START);
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
switch (id) {
case R.id.nav_home:
fragment = new Nav_Home();
break;
case R.id.nav_contact:
fragment = new Nav_Contact();
break;
case R.id.nav_articles:
fragment = new Nav_Article();
break;
case R.id.nav_about:
fragment = new Nav_AboutUs();
break;
case R.id.nav_suggest:
fragment = new Nav_Suggest();
break;
case R.id.nav_share:
fragment = new Nav_Share();
break;
case R.id.nav_rateApp:
fragment = new Nav_RateApp();
break;
}
fragmentManager.beginTransaction()
.replace(R.id.navContent, fragment)
.addToBackStack(null)
.commit();
}
}, 350);
return true;
}
public void displayDefaultFragment() {
fragment = new Nav_Home();
fragmentManager.beginTransaction().replace(R.id.navContent, fragment).commit();
}
public void showSuggestFragment() {
fragment = new Nav_Profile();
fragmentManager.beginTransaction().replace(R.id.navContent, fragment).addToBackStack(null).commit();
}
public void showProfileFragment() {
fragment = new Nav_Profile();
fragmentManager.beginTransaction().replace(R.id.navContent, fragment).addToBackStack(null).commit();
}
public void setFontNavigation() {
Menu m = navigationView.getMenu();
for (int i = 0; i < m.size(); i++) {
MenuItem mi = m.getItem(i);
//for applying a font to subMenu ...
SubMenu subMenu = mi.getSubMenu();
if (subMenu != null && subMenu.size() > 0) {
for (int j = 0; j < subMenu.size(); j++) {
MenuItem subMenuItem = subMenu.getItem(j);
SpannableString s = new SpannableString(subMenuItem.getTitle());
s.setSpan(new TypefaceSpan("font/mont_regular.ttf"), 0, s.length(),
Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
subMenuItem.setTitle(s);
}
}
}
}
}
导航的第一个（默认）片段
public class Nav_Home extends Fragment implements View.OnClickListener{
SharedPreferences mSharedPref;
private SwipeRefreshLayout swipeRefresh_home;
private CardView item_homeTop_coupons, item_homeTop_draws, item_homeTop_event;
private LinearLayout layout_all_article, layout_all_999;
private ScrollView shimmer_home;
private List<Model_ListItem> listNewItems;
private RecyclerView recyclerView_item_home;
private List<Model_Article> articleList;
private RecyclerView recyclerView_article_home;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View view = inflater.inflate(R.layout.fragment_nav__home, container, false);
item_homeTop_coupons = view.findViewById(R.id.item_homeTop_coupons);
item_homeTop_draws = view.findViewById(R.id.item_homeTop_draws);
item_homeTop_event = view.findViewById(R.id.item_homeTop_event);
recyclerView_item_home = view.findViewById(R.id.recyclerView_item_home);
recyclerView_article_home = view.findViewById(R.id.recyclerView_article_home);
layout_all_article = view.findViewById(R.id.layout_all_article);
layout_all_999 = view.findViewById(R.id.layout_all_999);
swipeRefresh_home = view.findViewById(R.id.swipeRefresh_home);
shimmer_home = view.findViewById(R.id.shimmer_home);
item_homeTop_coupons.setOnClickListener(this);
item_homeTop_draws.setOnClickListener(this);
item_homeTop_event.setOnClickListener(this);
layout_all_999.setOnClickListener(this);
layout_all_article.setOnClickListener(this);
//first settngs
mSharedPref = PreferenceManager.getDefaultSharedPreferences(view.getContext());
String session_user_email = mSharedPref.getString("session_user_email","");
swipeRefresh_home.setRefreshing(true);
fetchItemsNew();
fetchArticlesNew();
return view;
}
public void openProfileFragment(){
Fragment fragment;
FragmentManager fragmentManager = getFragmentManager();
fragment = new Nav_Profile();
fragmentManager.beginTransaction().replace(R.id.navContent, fragment).addToBackStack(null).commit();
}
@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.item_homeTop_coupons:
startActivity(new Intent(getContext(), Page_Coupon.class));
break;
case R.id.item_homeTop_draws:
startActivity(new Intent(getContext(), Page_Draw.class));
break;
case R.id.item_homeTop_event:
startActivity(new Intent(getContext(), Page_Event.class));
break;
case R.id.layout_all_999:
//999 city search activity
startActivity(new Intent(getContext(), Page_SearchCity.class));
break;
case R.id.layout_all_article:
//article fragment
Fragment fragment;
FragmentManager fragmentManager = getFragmentManager();
fragment = new Nav_Article();
fragmentManager.beginTransaction().replace(R.id.navContent, fragment).addToBackStack(null).commit();
break;
}
}
public void seeSession(){
//sessions
mSharedPref = PreferenceManager.getDefaultSharedPreferences(getContext());
String session_user_id = mSharedPref.getString("session_user_id", "");
String session_user_email = mSharedPref.getString("session_user_email", "");
String session_user_name = mSharedPref.getString("session_user_name", "");
String session_user_image = mSharedPref.getString("session_user_image", "");
String session_user_nickname = mSharedPref.getString("session_user_nickname", "");
}
public void fetchItemsNew(){
listNewItems = new ArrayList<>();
API_Service api_service = Client.getRetrofitInstance().create(API_Service.class);
Call<List<Model_ListItem>> call = api_service.fetchItemsNew();
call.enqueue(new Callback<List<Model_ListItem>>() {
@Override
public void onResponse(Call<List<Model_ListItem>> call, Response<List<Model_ListItem>> response) {
if(response.code() == 200){
listNewItems = response.body();
recyclerView_item_home.setHasFixedSize(true);
LinearLayoutManager layoutManager
= new LinearLayoutManager(getContext(), LinearLayoutManager.HORIZONTAL, false);
recyclerView_item_home.setLayoutManager(layoutManager);
Adapter_HomeItem adapter_homeItem = new Adapter_HomeItem(getContext(), listNewItems);
recyclerView_item_home.setAdapter(adapter_homeItem);
SnapHelper helper = new LinearSnapHelper();
helper.attachToRecyclerView(recyclerView_item_home);
}
}
@Override
public void onFailure(Call<List<Model_ListItem>> call, Throwable t) {
}
});
}
public void fetchArticlesNew(){
articleList = new ArrayList<>();
API_Service api_service = Client.getRetrofitInstance().create(API_Service.class);
Call<List<Model_Article>> callArticle = api_service.fetchArticlesNew();
callArticle.enqueue(new Callback<List<Model_Article>>() {
@Override
public void onResponse(Call<List<Model_Article>> call, Response<List<Model_Article>> response) {
if(response.code() == 200){
articleList = response.body();
recyclerView_article_home.setHasFixedSize(true);
LinearLayoutManager layoutManager
= new LinearLayoutManager(getContext(), LinearLayoutManager.HORIZONTAL, false);
recyclerView_article_home.setLayoutManager(layoutManager);
Adapter_HomeArticles adapter_homeArticles = new Adapter_HomeArticles(getContext(), articleList);
recyclerView_article_home.setAdapter(adapter_homeArticles);
if(swipeRefresh_home.isRefreshing()){
swipeRefresh_home.setRefreshing(false);
}
shimmer_home.setVisibility(View.VISIBLE);
swipeRefresh_home.setEnabled(false);
}
}
@Override
public void onFailure(Call<List<Model_Article>> call, Throwable t) {
}
});
}
}
RecyclerView适配器
public class Adapter_HomeItem extends RecyclerView.Adapter<Adapter_HomeItem.ViewHolder> {
private Context context;
private List<Model_ListItem> homeList;
String urlExtension = URL_Extension.url_extension_images;
public Adapter_HomeItem(Context context, List<Model_ListItem> homeList) {
this.context = context;
this.homeList = homeList;
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_home_list, parent, false);
return new ViewHolder(view);
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, final int position) {
Glide.with(context).load(urlExtension+homeList.get(position).getItem_image()).into(holder.item_home_image);
holder.item_home_text.setText(homeList.get(position).getItem_name());
holder.item_home_cardView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//item detail
Intent intent = new Intent(context, Page_ItemDetail.class);
intent.putExtra("itemClicked", ""+homeList.get(position).getItem_id());
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
});
}
@Override
public int getItemCount() {
return homeList.size();
}
public class ViewHolder extends RecyclerView.ViewHolder{
CardView item_home_cardView;
RoundedImageView item_home_image;
TextView item_home_text;
public ViewHolder(View itemView) {
super(itemView);
item_home_text = itemView.findViewById(R.id.item_home_text);
item_home_image = itemView.findViewById(R.id.item_home_image);
item_home_cardView = itemView.findViewById(R.id.item_home_cardView);
}
}
}
错误在这里；
public Adapter_HomeArticles.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_home_article, null);
int width = parent.getMeasuredWidth()/3;
view.setLayoutParams(new RecyclerView.LayoutParams(width, ViewGroup.LayoutParams.WRAP_CONTENT));
return new ViewHolder(view);
}
投掷；
06-28 17:20:08.543 23120-23120/? E/Zygote: v2
06-28 17:20:08.543 23120-23120/? E/Zygote: accessInfo : 0
06-28 17:20:10.468 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
06-28 17:20:10.473 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
06-28 17:23:05.018 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
No adapter attached; skipping layout
06-28 17:23:10.423 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
No adapter attached; skipping layout
06-28 17:23:11.108 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
No adapter attached; skipping layout
06-28 17:23:11.628 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
No adapter attached; skipping layout
06-28 17:23:16.288 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
No adapter attached; skipping layout
06-28 17:23:17.533 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
No adapter attached; skipping layout
06-28 17:23:19.008 23120-23120/turkiyedeyapilacak999sey.android E/MotionRecognitionManager: mSContextService = android.hardware.scontext.ISContextService$Stub$Proxy@7c57e67
06-28 17:23:19.013 23120-23120/turkiyedeyapilacak999sey.android E/MotionRecognitionManager: motionService = com.samsung.android.motion.IMotionRecognitionService$Stub$Proxy@6446414
motionService = com.samsung.android.motion.IMotionRecognitionService$Stub$Proxy@6446414
06-28 17:23:20.643 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
No adapter attached; skipping layout
06-28 17:23:22.738 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
No adapter attached; skipping layout
06-28 17:23:24.468 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
No adapter attached; skipping layout
06-28 17:23:27.818 23120-23120/turkiyedeyapilacak999sey.android E/RecyclerView: No adapter attached; skipping layout
No adapter attached; skipping layout
06-28 17:23:28.118 23120-23120/turkiyedeyapilacak999sey.android E/AndroidRuntime: FATAL EXCEPTION: main
Process: turkiyedeyapilacak999sey.android, PID: 23120
android.view.InflateException: Binary XML file line #24: Binary XML file line #24: Error inflating class <unknown>
at android.view.LayoutInflater.inflate(LayoutInflater.java:551)
at android.view.LayoutInflater.inflate(LayoutInflater.java:429)
at android.view.LayoutInflater.inflate(LayoutInflater.java:380)
at turkiyedeyapilacak999sey.android.Adapter.Adapter_HomeArticles.onCreateViewHolder(Adapter_HomeArticles.java:39)
at turkiyedeyapilacak999sey.android.Adapter.Adapter_HomeArticles.onCreateViewHolder(Adapter_HomeArticles.java:25)
at android.support.v7.widget.RecyclerView$Adapter.createViewHolder(RecyclerView.java:6685)
at android.support.v7.widget.RecyclerView$Recycler.tryGetViewHolderForPositionByDeadline(RecyclerView.java:5869)
at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5752)
at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5748)
at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2232)
at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1559)
at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1519)
at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:614)
at android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3812)
at android.support.v7.widget.RecyclerView.onMeasure(RecyclerView.java:3225)
at android.view.View.measure(View.java:20151)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6328)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1464)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:747)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:629)
at android.view.View.measure(View.java:20151)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6328)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
at android.support.v7.widget.CardView.onMeasure(CardView.java:258)
at android.view.View.measure(View.java:20151)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6328)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1464)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:747)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:629)
at android.view.View.measure(View.java:20151)
at android.widget.ScrollView.measureChildWithMargins(ScrollView.java:2104)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
at android.widget.ScrollView.onMeasure(ScrollView.java:510)
at android.view.View.measure(View.java:20151)
at android.support.v4.widget.SwipeRefreshLayout.onMeasure(SwipeRefreshLayout.java:622)
at android.view.View.measure(View.java:20151)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6328)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1464)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:747)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:629)
at android.view.View.measure(View.java:20151)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6328)
at android.widget.FrameLayout.onMeasure(FrameLayout.java:194)
at android.view.View.measure(View.java:20151)
at android.support.constraint.ConstraintLayout.internalMeasureChildren(ConstraintLayout.java:1210)
at android.support.constraint.ConstraintLayout.onMeasure(ConstraintLayout.java:1550)
at android.view.View.measure(View.java:20151)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6328)
at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1464)
at android.widget.LinearLayout.measureVertical(LinearLayout.java:747)
at android.widget.LinearLayout.onMeasure(LinearLayout.java:629)
at android.view.View.measure(View.java:20151)
at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:6328)
答案 0 :(得分：0)
尝试用null代替false代替root：
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_home_list, null);
return new ViewHolder(view);
}