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我设置点击卡片视图时，我点击卡片视图片段显示活动我假设，但片段不显示cardview的onclick工作，但片段不显示我尝试很多，但没有解决方案，我不知道为什么会发生这种情况。没有错误还，但我的片段没有表现得没有错误提前thanlks 这里的代码片段没有显示
Activity
public class SubmitAddActivity extends AppCompatActivity implements CallbackFromFragment {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.submitadd_layout);
findViewById(R.id.choose_category_layout).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Log.d("bullhead", "onClick: hellow rodl ");
fragmentTransaction=getSupportFragmentManager().beginTransaction();
fragmentTransaction.replace(R.id.container,fragmentUsage);
fragmentTransaction.commit();
fragmentUsage.setTYPE(1);
}
});
submitbutton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
settingToolbar();
}
@Override
public void setValues(int type, String value) {
if(type==1)
{
fragmentTransaction.remove(fragmentUsage);
category=value;
}
else if(type==2)
{
fragmentTransaction.remove(fragmentUsage);
location=value;
}
}
}活动布局
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<FrameLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/containerfragments"
android:fitsSystemWindows="true"
android:orientation="vertical"
tools:context="com.asad.taleembazar.activities.HomeActivity">
<include
layout="@layout/cardview_choose_category_submitadds"
android:layout_height="wrap_content"
android:layout_width="match_parent"
/>
</LinearLayout>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/container"
/>
</FrameLayout>
</ScrollView>片段
public class SelectFragment extends Fragment implements com.asad.taleembazar.adpaters.callback {
private SelectCategorySubmitAddAdapter adapter;
private RecyclerView.LayoutManager layoutManager;
private ArrayList<String> arrayList=new ArrayList<>();
CallbackFromFragment communication;
int type;
// TODO: Rename and change types of parameters
private String mParam1;
private String mParam2;
public SelectFragment() {
// Required empty public constructor
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.activity_select_category_submit,container,false);
arrayList.add("Cars");
arrayList.add("Mobiles");
arrayList.add("Bags");
RecyclerView recyclerViewforsubmitadd = (RecyclerView)view.findViewById(R.id.recyclerview_for_categoriessubmit);
layoutManager = new LinearLayoutManager(getActivity());
recyclerViewforsubmitadd.setLayoutManager(layoutManager);
recyclerViewforsubmitadd.setHasFixedSize(true);
adapter = new SelectCategorySubmitAddAdapter(arrayList);
adapter.setOnClick(this);
recyclerViewforsubmitadd.setAdapter(adapter);
return view;
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
communication = (CallbackFromFragment) context;
}
@Override
public void onClick(int adapterPosition) {
if(type==1)
communication.setValues(1,arrayList.get(adapterPosition));
else if(type==2)
communication.setValues(1,arrayList.get(adapterPosition));
}
public void setTYPE(int i)
{
type=i;
}
}
你真的应该减少这种代码提供的最小工作示例这说明你的问题。删除所有其他 –
它现在减少 –