RecyclerView查看錯誤On PreferanceActivity

Question

我想顯示alertdialog preferecactivity，但recyclerview顯示是這樣的。

我的代碼....

cata_manage.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() { 
     @Override 
     public boolean onPreferenceClick(final Preference preference) { 

      AlertDialog.Builder dialogBuilder = new AlertDialog.Builder(preference.getContext()); 
      LayoutInflater inflater = (LayoutInflater)preference.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); 
      final View dialogView = inflater.inflate(R.layout.cata_manage, null); 
      dialogBuilder.setView(dialogView); 
      final AlertDialog alertDialog2 = dialogBuilder.create(); 


      final RecyclerView cata_list = (RecyclerView) dialogView.findViewById(R.id.cata_manage_recycler); 

    update_recycler_cata("Expenses", cata_list,preference.getContext()); 
      alertDialog2.show(); 

      return false; 
     } 
    }); 




private void update_recycler_cata(String cata, RecyclerView catalist,Context context) { 
    DBHelper mydb = new DBHelper(this); 
    Cursor catas = null; 
    if (cata == null || Objects.equals(cata, "Expenses")) { 
     catas = mydb.fetchall_cata_ex_names(); 

    } else if (Objects.equals(cata, "Income")) { 
     catas = mydb.fetchall_cata_in_names(); 
    } 
    CataRecyclerAdapter adapter = new CataRecyclerAdapter(catas, context, catalist); 
    RecyclerView.LayoutManager mLayoutManager; 

    mLayoutManager = new LinearLayoutManager(context); 


    catalist.setLayoutManager(mLayoutManager); 
    // recyclerView.setHasFixedSize(true); 
    catalist.setAdapter(adapter); 
} 

CataRecyclerAdapter.java

public class CataRecyclerAdapter extends RecyclerView.Adapter<CataRecyclerAdapter.RecyclerViewHolder> { 
private Cursor cursor; 
private Context context; 
private RecyclerView catalist; 

CataRecyclerAdapter(Cursor cursor, Context context, RecyclerView catalist) { 
    this.cursor = cursor; 
    this.context = context; 
    this.catalist = catalist; 

} 

@Override 
public CataRecyclerAdapter.RecyclerViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 
    View view; 

    view = LayoutInflater.from(parent.getContext()).inflate(R.layout.catamanage_singleitem, parent, false); 


    RecyclerViewHolder recyclerViewHolder = new RecyclerViewHolder(view); 

    return recyclerViewHolder; 
} 

@Override 
public void onBindViewHolder(CataRecyclerAdapter.RecyclerViewHolder holder, final int position) { 
    cursor.moveToPosition(position); 
    holder.item.setText(cursor.getString(1)); 

} 

@Override 
public int getItemCount() { 
    return cursor.getCount(); 
} 

public class RecyclerViewHolder extends RecyclerView.ViewHolder { 
    ImageButton edit, delete; 
    TextView item; 

    @TargetApi(Build.VERSION_CODES.KITKAT) 
    public RecyclerViewHolder(View itemView) { 
     super(itemView); 
     item = (TextView) itemView.findViewById(R.id.textView34); 
     edit = (ImageButton) itemView.findViewById(R.id.imageButton2); 
     delete = (ImageButton) itemView.findViewById(R.id.imageButton3); 

    } 
} 
} 

我的充氣XML ...

XML代碼（catamanage_singleitem.xml）。 ..

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" 
xmlns:app="http://schemas.android.com/apk/res-auto" 
android:layout_width="match_parent" 
android:layout_height="wrap_content" 
android:orientation="vertical"> 

<android.support.v7.widget.CardView 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:layout_margin="5dp" 
    android:layout_weight="1"> 

    <LinearLayout 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:gravity="center" 
     android:orientation="horizontal"> 

     <TextView 
      android:id="@+id/textView34" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      android:layout_marginLeft="5dp" 
      android:layout_weight="1" 
      android:text="TextView" 
      android:textSize="18sp" /> 

     <ImageButton 
      android:id="@+id/imageButton2" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      android:layout_weight="3" 
      app:srcCompat="@android:drawable/ic_menu_edit" /> 

     <ImageButton 
      android:id="@+id/imageButton3" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      android:layout_weight="3" 
      app:srcCompat="@android:drawable/ic_menu_delete" /> 

    </LinearLayout> 

</android.support.v7.widget.CardView> 

我試過很多方法，我怎麼能解決這個問題？我在catamanage_singleitem裏添加了一個imageview，但是沒有顯示imageview。我如何解決這個問題，這是由於我所採用的上下文值。

Answer 1

下面的代碼

Dialog dialog = new Dialog(preference.getContext()); 
dialog.getWindow().setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); 
dialog.setContentView(R.layout.cata_manage); 
final RecyclerView cata_list = (RecyclerView) dialog.findViewById(R.id.cata_manage_recycler); 
update_recycler_cata("Expenses", cata_list,preference.getContext()); 
dialog.show(); 

編輯

變化app:srcCompat="@android:drawable/ic_menu_edit"到app:src ="@android:drawable/ic_menu_edit"嘗試Imageviews