Toast auf ArrayAdapter

Question

Toast auf ArrayAdapter

Wie Toast Nachricht anzeigen Auf QuoteArrayAdapter OnClick textViewQuoteLike

anzeigen Nachricht wie

public static ViewHolder create(RelativeLayout rootView) { 
    ImageView imageViewProfilePhoto = (ImageView) rootView.findViewById(R.id.imageViewProfilePhoto); 
    TextView textViewQuoteContent = (TextView) rootView.findViewById(R.id.textViewQuoteContent); 
    TextView textViewProfileName = (TextView) rootView.findViewById(R.id.textViewProfileName); 
    final TextView textViewQuoteLike = (TextView) rootView.findViewById(R.id.textViewQuoteLike); 
    TextView textViewQuoteCopy = (TextView) rootView.findViewById(R.id.textViewQuoteCopy); 
    TextView textViewQuoteShare = (TextView) rootView.findViewById(R.id.textViewQuoteShare); 
    final TextView textViewQuoteId = (TextView) rootView.findViewById(R.id.textViewQuoteId); 

    textViewQuoteLike.setOnClickListener(new View.OnClickListener() { 
     @Override 
     public void onClick(View view) { 
      new GetDataLike().execute(textViewQuoteId.getText().toString()); 
      String currentLike = textViewQuoteLike.getText().toString(); 
      currentLike = currentLike.replace("پسندیدم (","");; 
      currentLike = currentLike.replace(")","");; 
      int newLike = Integer.valueOf(currentLike.toString()) + 1; 
      textViewQuoteLike.setText("پسندیدم ("+newLike+")"); 
       /*Toast.makeText(Need Activity, "Like is done.", 
         Toast.LENGTH_LONG).show();*/ 
     } 
    }); 
    return new ViewHolder(rootView, imageViewProfilePhoto, textViewQuoteContent, textViewProfileName, textViewQuoteLike, textViewQuoteCopy, textViewQuoteShare, textViewQuoteId); 
} 

Geschehen ist, wenn es eine Möglichkeit ist, dass in HomeFragment es ausdrückte, bitte ein Beispiel geben

QuoteArrayAdapter.java

package com.example.adapter; 

import android.content.Context; 
import android.graphics.Bitmap; 
import android.graphics.BitmapShader; 
import android.graphics.Canvas; 
import android.graphics.Paint; 
import android.os.AsyncTask; 
import android.support.annotation.Nullable; 
import android.util.Log; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.ArrayAdapter; 
import android.widget.ImageView; 
import android.widget.RelativeLayout; 
import android.widget.TextView; 

import com.example.R; 
import com.example.model.QuoteDataModel; 
import com.example.parser.JSONParser; 
import com.example.utils.Keys; 
import com.squareup.picasso.Picasso; 
import com.squareup.picasso.Transformation; 

import org.json.JSONArray; 
import org.json.JSONException; 
import org.json.JSONObject; 

import java.util.List; 

public class QuoteArrayAdapter extends ArrayAdapter<QuoteDataModel> { 

    List<QuoteDataModel> modelList; 
    Context context; 
    private LayoutInflater mInflater; 

    // Constructors 
    public QuoteArrayAdapter(Context context, List<QuoteDataModel> objects) { 
     super(context, 0, objects); 
     this.context = context; 
     this.mInflater = LayoutInflater.from(context); 
     modelList = objects; 
    } 

    @Override 
    public QuoteDataModel getItem(int position) { 
     return modelList.get(position); 
    } 

    @Override 
    public View getView(int position, View convertView, ViewGroup parent) { 
     final ViewHolder vh; 
     if (convertView == null) { 
      View view = mInflater.inflate(R.layout.quote_row, parent, false); 
      vh = ViewHolder.create((RelativeLayout) view); 
      view.setTag(vh); 
     } else { 
      vh = (ViewHolder) convertView.getTag(); 
     } 

     QuoteDataModel item = getItem(position); 

     vh.textViewQuoteContent.setText(item.getQuoteContent()); 
     vh.textViewProfileName.setText(item.getProfileName()); 
     vh.textViewQuoteLike.setText("پسندیدم ("+item.getQuoteLike()+")"); 
     vh.textViewQuoteCopy.setText("کپی کردن"); 
     vh.textViewQuoteShare.setText("اشتراک گزاری"); 
     vh.textViewQuoteId.setText(item.getQuoteId()); 
     Picasso.with(context).load(item.getProfilePhoto()).placeholder(R.drawable.empty_profile_photo).error(R.drawable.empty_profile_photo).transform(new CircleTransform()).into(vh.imageViewProfilePhoto); 

     return vh.rootView; 
    } 

    private static class ViewHolder { 
     public final RelativeLayout rootView; 
     public final ImageView imageViewProfilePhoto; 
     public final TextView textViewQuoteContent; 
     public final TextView textViewProfileName; 
     public final TextView textViewQuoteLike; 
     public final TextView textViewQuoteCopy; 
     public final TextView textViewQuoteShare; 
     public final TextView textViewQuoteId; 

     private ViewHolder(RelativeLayout rootView, ImageView imageViewProfilePhoto, TextView textViewQuoteContent, TextView textViewProfileName, TextView textViewQuoteLike, TextView textViewQuoteCopy, TextView textViewQuoteShare, TextView textViewQuoteId) { 
      this.rootView = rootView; 
      this.imageViewProfilePhoto = imageViewProfilePhoto; 
      this.textViewQuoteContent = textViewQuoteContent; 
      this.textViewProfileName = textViewProfileName; 
      this.textViewQuoteLike = textViewQuoteLike; 
      this.textViewQuoteCopy = textViewQuoteCopy; 
      this.textViewQuoteShare = textViewQuoteShare; 
      this.textViewQuoteId = textViewQuoteId; 
     } 

     public static ViewHolder create(RelativeLayout rootView) { 
      ImageView imageViewProfilePhoto = (ImageView) rootView.findViewById(R.id.imageViewProfilePhoto); 
      TextView textViewQuoteContent = (TextView) rootView.findViewById(R.id.textViewQuoteContent); 
      TextView textViewProfileName = (TextView) rootView.findViewById(R.id.textViewProfileName); 
      final TextView textViewQuoteLike = (TextView) rootView.findViewById(R.id.textViewQuoteLike); 
      TextView textViewQuoteCopy = (TextView) rootView.findViewById(R.id.textViewQuoteCopy); 
      TextView textViewQuoteShare = (TextView) rootView.findViewById(R.id.textViewQuoteShare); 
      final TextView textViewQuoteId = (TextView) rootView.findViewById(R.id.textViewQuoteId); 

      textViewQuoteLike.setOnClickListener(new View.OnClickListener() { 
       @Override 
       public void onClick(View view) { 
        new GetDataLike().execute(textViewQuoteId.getText().toString()); 
        String currentLike = textViewQuoteLike.getText().toString(); 
        currentLike = currentLike.replace("پسندیدم (","");; 
        currentLike = currentLike.replace(")","");; 
        int newLike = Integer.valueOf(currentLike.toString()) + 1; 
        textViewQuoteLike.setText("پسندیدم ("+newLike+")"); 
       } 
      }); 
      return new ViewHolder(rootView, imageViewProfilePhoto, textViewQuoteContent, textViewProfileName, textViewQuoteLike, textViewQuoteCopy, textViewQuoteShare, textViewQuoteId); 
     } 
    } 


    static class GetDataLike extends AsyncTask<String, String, String> { 
     @Override 
     protected void onPreExecute() { 
      super.onPreExecute(); 
     } 

     @Nullable 
     @Override 
     protected String doInBackground(String... params) { 

      String quoteId = params[0]; 

      JSONObject jsonObject = JSONParser.getDataFromWeb("http://example.com/api-service/v1/platform_quote_like/?platform=true&id="+quoteId); 
      try { 
       if (jsonObject != null) { 
        if(jsonObject.length() > 0) { 
         JSONArray array = jsonObject.getJSONArray(Keys.KEY_LIKE); 
         int lenArray = array.length(); 
         if(lenArray > 0) { 
          for(int jIndex = 0; jIndex < lenArray; jIndex++) { 
           JSONObject innerObject = array.getJSONObject(jIndex); 
           String quote_like = innerObject.getString(Keys.KEY_QUOTE_LIKE); 
           return quote_like; 
          } 
         } 
        } 
       } else { 

       } 
      } catch (JSONException je) { 
       Log.i(JSONParser.TAG, "" + je.getLocalizedMessage()); 
      } 
      return null; 
     } 

     @Override 
     protected void onPostExecute(String aVoid) { 
      super.onPostExecute(aVoid); 
     } 
    } 

    public class CircleTransform implements Transformation { 
     @Override 
     public Bitmap transform(Bitmap source) { 
      int size = Math.min(source.getWidth(), source.getHeight()); 

      int x = (source.getWidth() - size)/2; 
      int y = (source.getHeight() - size)/2; 

      Bitmap squaredBitmap = Bitmap.createBitmap(source, x, y, size, size); 
      if (squaredBitmap != source) { 
       source.recycle(); 
      } 

      Bitmap bitmap = Bitmap.createBitmap(size, size, source.getConfig()); 

      Canvas canvas = new Canvas(bitmap); 
      Paint paint = new Paint(); 
      BitmapShader shader = new BitmapShader(squaredBitmap, 
        BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP); 
      paint.setShader(shader); 
      paint.setAntiAlias(true); 

      float r = size/2f; 
      canvas.drawCircle(r, r, r, paint); 

      squaredBitmap.recycle(); 
      return bitmap; 
     } 

     @Override 
     public String key() { 
      return "circle"; 
     } 
    } 
} 

HomeFragment.java

package com.example; 

import android.os.AsyncTask; 
import android.os.Bundle; 
import android.support.annotation.Nullable; 
import android.support.design.widget.Snackbar; 
import android.support.v4.app.Fragment; 
import android.support.v4.widget.ContentLoadingProgressBar; 
import android.util.Log; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.AbsListView; 
import android.widget.AdapterView; 
import android.widget.ListView; 
import android.widget.TextView; 
import android.widget.Toast; 

import com.example.adapter.QuoteArrayAdapter; 
import com.example.model.QuoteDataModel; 
import com.example.parser.JSONParser; 
import com.example.utils.Keys; 

import org.json.JSONArray; 
import org.json.JSONException; 
import org.json.JSONObject; 

import java.util.ArrayList; 

public class HomeFragment extends Fragment { 

    private ListView listView; 
    private ArrayList<QuoteDataModel> list; 
    private QuoteArrayAdapter adapter; 
    private TextView likeCurrent; 

    public HomeFragment() { 
     // Required empty public constructor 
    } 

    @Override 
    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
    } 

    @Override 
    public View onCreateView(LayoutInflater inflater, ViewGroup container, 
          Bundle savedInstanceState) { 

     // Inflate the layout for this fragment 
     View rootView = inflater.inflate(R.layout.fragment_home, null); 

     return rootView; 
    } 

    @Override 
    public void onActivityCreated(@Nullable Bundle savedInstanceState) { 
     super.onActivityCreated(savedInstanceState); 
     /** 
     * Array List for Binding Data from JSON to this List 
     */ 
     list = new ArrayList<>(); 

     adapter = new QuoteArrayAdapter(getActivity(), list); 

     /** 
     * Getting List and Setting List Adapter 
     */ 
     listView = (ListView) getActivity().findViewById(R.id.listView); 
     listView.setAdapter(adapter); 
     listView.setOnItemClickListener(new AdapterView.OnItemClickListener() { 
      @Override 
      public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 
       Snackbar.make(getActivity().findViewById(R.id.parentLayout), list.get(position).getProfileName() + " => " + list.get(position).getQuoteLike(), Snackbar.LENGTH_LONG).show(); 
      } 
     }); 

     /** 
     * Check internet connection 
     */ 
     if (!MainActivity.NetworkUtil.isOnline(getActivity().getApplicationContext())) { 
      Toast.makeText(getActivity(), "اتصال به اینترنت برقرار نیست", 
        Toast.LENGTH_LONG).show(); 
     } 

     new GetDataHome().execute(); 

     listView.setOnScrollListener(new AbsListView.OnScrollListener() { 

      public void onScrollStateChanged(AbsListView view, int scrollState) { 


      } 

      public void onScroll(AbsListView view, int firstVisibleItem, 
           int visibleItemCount, int totalItemCount) { 

       if(firstVisibleItem+visibleItemCount == totalItemCount && totalItemCount!=0) 
       { 
        new GetDataHome().execute(); 
       } 
      } 
     }); 

     /* 
     likeCurrent = (TextView) getActivity().findViewById(R.id.textViewQuoteLike); 

     likeCurrent.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
       likeCurrent.setText("Boiling Point K"); 
      } 
     });*/ 


    } 

    /** 
    * Creating Get Data Task for Getting Data From Web 
    */ 
    class GetDataHome extends AsyncTask<Void, Void, Void> { 

     ContentLoadingProgressBar progressBar; 

     @Override 
     protected void onPreExecute() { 
      super.onPreExecute(); 

      /** 
      * Progress Bar for User Interaction 
      */ 
      progressBar = (ContentLoadingProgressBar) getActivity().findViewById(R.id.progress); 
      progressBar.show(); 
     } 

     @Nullable 
     @Override 
     protected Void doInBackground(Void... params) { 

      /** 
      * Getting JSON Object from Web Using okHttp 
      */ 
      JSONObject jsonObject = JSONParser.getDataFromWeb("http://example.com/api-service/v1/platform_home/?platform=true"); 

      try { 
       /** 
       * Check Whether Its NULL??? 
       */ 
       if (jsonObject != null) { 
        /** 
        * Check Length... 
        */ 
        if(jsonObject.length() > 0) { 
         /** 
         * Getting Array named "Home" From MAIN Json Object 
         */ 
         JSONArray array = jsonObject.getJSONArray(Keys.KEY_HOME); 

         /** 
         * Check Length of Array... 
         */ 
         int lenArray = array.length(); 
         if(lenArray > 0) { 
          for(int jIndex = 0; jIndex < lenArray; jIndex++) { 

           /** 
           * Creating Every time New Object 
           * and 
           * Adding into List 
           */ 
           QuoteDataModel model = new QuoteDataModel(); 

           /** 
           * Getting Inner Object from contacts array... 
           * and 
           * From that We will get Name of that Contact 
           * 
           */ 
           JSONObject innerObject = array.getJSONObject(jIndex); 

           String profile_photo = innerObject.getString(Keys.KEY_PROFILE_PHOTO); 
           String profile_name = innerObject.getString(Keys.KEY_PROFILE_NAME); 
           String profile_link = innerObject.getString(Keys.KEY_PROFILE_LINK); 
           String quote_like = innerObject.getString(Keys.KEY_QUOTE_LIKE); 
           String quote_id = innerObject.getString(Keys.KEY_QUOTE_ID); 
           String quote_content = innerObject.getString(Keys.KEY_QUOTE_CONTENT); 
           String quote_category = innerObject.getString(Keys.KEY_QUOTE_CATEGORY); 


           /** 
           * Getting Object from Object "other" 
           */ 
           //JSONObject otherObject = innerObject.getJSONObject(Keys.KEY_NAME); 
           //String other = otherObject.getString(Keys.KEY_NAME_SUB); 


           model.setProfilePhoto(profile_photo); 
           model.setProfileName(profile_name); 
           model.setProfileLink(profile_link); 
           model.setQuoteLike(quote_like); 
           model.setQuoteId(quote_id); 
           model.setQuoteContent(quote_content); 
           model.setQuoteCategory(quote_category); 

           /** 
           * Adding data in List... 
           */ 
           list.add(model); 
          } 
         } 
        } 
       } else { 

       } 
      } catch (JSONException je) { 
       Log.i(JSONParser.TAG, "" + je.getLocalizedMessage()); 
      } 
      return null; 
     } 

     @Override 
     protected void onPostExecute(Void aVoid) { 
      super.onPostExecute(aVoid); 

      /** 
      * Progress Bar for User Interaction 
      */ 
      progressBar.hide(); 

      /** 
      * Checking if List size if more than zero then 
      * Update ListView 
      */ 
      if(list.size() > 0) { 
       adapter.notifyDataSetChanged(); 
      } else { 
       Snackbar.make(getActivity().findViewById(R.id.parentLayout), "مشکلی در اتصال به سرورهای سخنک رخ داده است!", Snackbar.LENGTH_LONG).show(); 
      } 
     } 
    } 

} 

quote_row.xml

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout 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" 
    android:orientation="vertical"> 

    <ImageView 
     android:id="@+id/imageViewProfilePhoto" 
     android:layout_width="100dp" 
     android:layout_height="100dp" 
     android:layout_margin="5dp" 
     android:layout_gravity="right" 
     android:layout_alignParentRight="true" 
     android:src="@drawable/empty_profile_photo" /> 

    <LinearLayout 
     android:layout_width="match_parent" 
     android:orientation="vertical" 
     android:layout_centerVertical="true" 
     android:layout_height="wrap_content" 
     android:layout_toLeftOf="@+id/imageViewProfilePhoto"> 

     <TextView 
      android:id="@+id/textViewQuoteContent" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      android:layout_margin="5dp" 
      android:textAppearance="?android:textAppearanceSmall" 
      android:textIsSelectable="true" 
      tools:text="Quote Content" /> 

     <TextView 
      android:id="@+id/textViewProfileName" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      android:layout_margin="5dp" 
      android:textAppearance="?android:textAppearanceSmall" 
      android:textIsSelectable="true" 
      tools:text="Profile Name" /> 



     <LinearLayout 
      android:orientation="horizontal" 
      android:layout_width="wrap_content" 
      android:layout_height="match_parent" 
      android:layout_gravity="right" 
      android:layout_alignParentRight="true" 
      android:layout_alignParentTop="true" 
      android:layout_alignParentLeft="true" 
      android:layout_alignParentStart="true"> 
      <TextView 
       android:id="@+id/textViewQuoteCopy" 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:layout_margin="5dp" 
       android:textAppearance="?android:textAppearanceSmall" 
       android:clickable="true" 
       tools:text="Copy" /> 

      <TextView 
       android:id="@+id/textViewQuoteShare" 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:layout_margin="5dp" 
       android:textAppearance="?android:textAppearanceSmall" 
       tools:text="Share" /> 

      <TextView 
       android:id="@+id/textViewQuoteLike" 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:layout_margin="5dp" 
       android:textAppearance="?android:textAppearanceSmall" 
       tools:text="Like" /> 

     </LinearLayout> 

    </LinearLayout> 

    <TextView 
     android:text="TextView" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content" 
     android:layout_alignParentLeft="true" 
     android:layout_alignParentStart="true" 
     android:id="@+id/textViewQuoteId" 
     android:visibility="invisible" /> 

</RelativeLayout> 

fragment_home.xml

<?xml version="1.0" encoding="utf-8"?> 

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
xmlns:app="http://schemas.android.com/apk/res-auto" 
xmlns:tools="http://schemas.android.com/tools" 
android:layout_width="match_parent" 
android:id="@+id/parentLayout" 
android:layout_height="match_parent" 
android:fitsSystemWindows="true" 
tools:context=".MainActivity"> 

<android.support.v4.widget.ContentLoadingProgressBar 
    android:id="@+id/progress" 
    style="?android:attr/progressBarStyleLarge" 
    android:layout_width="wrap_content" 
    android:layout_height="wrap_content" 
    android:layout_centerInParent="true" 
    android:visibility="visible" /> 

<ListView app:layout_behavior="@string/appbar_scrolling_view_behavior" 
    android:id="@+id/listView" 
    android:layout_width="fill_parent" 
    android:layout_height="match_parent" /> 

</RelativeLayout> 

Answer 1

Sie brauchen nur ein context, so:

Toast.makeText(rootView.getContext(), "Like is done.", 
         Toast.LENGTH_LONG).show(); 

Aber Sie müssen RootView letzte zuerst machen:

public static ViewHolder create(final RelativeLayout rootView){... 
           ^^