Ändern Sie die Sprache Formular Benutzerauswahl in Android Studio

Question

in meiner App habe ich zwei Sprachen (Englisch, Arabisch) .if Benutzer wählen Sie jede Sprache die Anwendung ändern Sie diese Sprache.aber meine Anwendung Inhalte abrufen Daten von Json api.How, um es zu ändern ?

enter image description here

package com.blog.navdrawer; 

import android.content.SharedPreferences; 
import android.os.AsyncTask; 
import android.os.Bundle; 
import android.support.annotation.Nullable; 
import android.support.v4.app.Fragment; 
import android.util.Log; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.ImageView; 
import android.widget.TextView; 

import com.squareup.picasso.Picasso; 
import com.blog.navdrawer.JSONParser; 

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

import java.util.Locale; 

import static android.content.Context.MODE_PRIVATE; 
import static com.blog.navdrawer.R.string.language; 

/** 
* Created by ewall-07 on 3/12/16. 
*/ 
public class DemoFragone extends Fragment { 



    private JSONParser jsonparser = new JSONParser(); 
    private TextView tv,tv1; 

    String a,b,c; 
    private JSONObject jsonobject = null; 

    String languagesave; 
    private Locale myLocale; 


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

     // View v = inflater.inflate(R.layout.fragment_fragone,container,false); 


     View v = inflater.inflate(R.layout.fragment_fragone,container,false); 
     tv = (TextView) v.findViewById(R.id.text_tv); 
     tv1 = (TextView) v.findViewById(R.id.text_tv1); 
     new retrievedata().execute(); 

     language(); 
/* 

     //it help us to change the font style... 
     Typeface type = Typeface.createFromAsset(getActivity().getAssets(),"DroidSerif-Regular.ttf"); 
     TextView tv1 = (TextView) v.findViewById(R.id.text_tv1); 
     tv1.setTypeface(type);*/ 
     return v; 




    } 

    private void language() { 

     String langPref = "Language"; 
     SharedPreferences sharedpreferences = this.getActivity().getSharedPreferences(getString(R.string.file_Save),MODE_PRIVATE); 
     SharedPreferences.Editor editor = sharedpreferences.edit(); 
     editor.putString(getString(R.string.language),languagesave); 
     editor.commit(); 
    } 





    class retrievedata extends AsyncTask<String, String, String> { 



     @Override 
     protected String doInBackground(String... strings) { 




      if(languagesave == "en") { 

       jsonobject = jsonparser.makeHttpRequest("http://www.json-generator.com/api/json/get/cegNjwgBTS?indent=2"); 

       Log.d("app data", jsonobject.toString()); 

       try { 

        a = jsonobject.getString("name"); 
        b = jsonobject.getString("data"); 
        c = jsonobject.getString("image_url"); 

       } catch (JSONException e) { 
        e.printStackTrace(); 
       } 
      } 

      else if(languagesave == "ar"){ 
        jsonobject = jsonparser.makeHttpRequest("http://www.json-generator.com/api/json/get/cegNjwgBTS?indent=2"); 

        Log.d("app data", jsonobject.toString()); 

        try { 

         a = jsonobject.getString("name_ar"); 
         b = jsonobject.getString("data_ar"); 
         c = jsonobject.getString("image_url"); 

        } catch (JSONException e) { 
         e.printStackTrace(); 
        } 
       } 

      return a; 
     } 
     protected void onPostExecute(String a){ 
      tv.setText(a); 
      tv1.setText(b); 

      ImageView image = (ImageView) getActivity().findViewById(R.id.image_one); 
      Picasso.with(getActivity()).load(c).error(R.drawable.error).placeholder(R.drawable.progress_aniamtion).noFade().into(image); 
     } 
     } 

@Override 
public void onConfigurationChanged(android.content.res.Configuration newConfig) { 
    super.onConfigurationChanged(newConfig); 
    if (myLocale != null){ 
     newConfig.locale = myLocale; 
     Locale.setDefault(myLocale); 
     getActivity().getResources().updateConfiguration(newConfig, getActivity().getResources().getDisplayMetrics()); 
    } 

} }

MainActivity : 

package com.blog.navdrawer.activity; 

import android.app.ActionBar; 
import android.app.Activity; 
import android.content.Intent; 
import android.content.SharedPreferences; 
import android.graphics.Color; 
import android.graphics.drawable.ColorDrawable; 
import android.os.Bundle; 
import android.support.v7.app.AppCompatActivity; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.view.ViewTreeObserver; 
import android.widget.ArrayAdapter; 
import android.widget.Button; 
import android.widget.LinearLayout; 
import android.widget.ListAdapter; 
import android.widget.ListView; 
import android.widget.TextView; 

import com.blog.navdrawer.R; 
import com.blog.navdrawer.adapter.CountryLanguageAdapter; 

public class CountryLanguageActivity extends AppCompatActivity implements OnClickListener { 

    private Button mSaveButton; 
    private ListView mCountryList, mLanguageList; 
    private ArrayAdapter<String> mLanguageAdapter, mCountryAdaptor; 
    String languagesave; 

    /** Called when the activity is first created. */ 
    @Override 
    public void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     addActionbar(); 
     setContentView(R.layout.activity_country_language); 
     initialization(); 
    } 

    private void addActionbar() { 
     //noinspection ConstantConditions 
     getSupportActionBar().setCustomView(R.layout.actionbar); 
     TextView TvTitle = (TextView) findViewById(getResources() 
       .getIdentifier("action_bar_title", "id", getPackageName())); 
    } 

    private void initialization() { 

     //ActionBar bar = getActionBar(); 
     // bar.setBackgroundDrawable(new ColorDrawable(Color.parseColor("#f79f04"))); 
     //bar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM); 
     //bar.setCustomView(R.layout.actionbar); 

     mCountryList = (ListView) findViewById(R.id.list_country); 
     mLanguageList = (ListView) findViewById(R.id.list_language); 
     mSaveButton = (Button) findViewById(R.id.button_save_continue); 

     String[] country = { "Saudi Arabia - Riyadh", "Kuwait", "Qatar", "Bahrain" }; 
     String[] language = { "English", "Arabic"}; 
     int[] countryIcon = { R.drawable.ic_saudi, R.drawable.ic_kuwait , R.drawable.ic_qatar, R.drawable.ic_bahrain}; 
     int[] languageIcon = { R.drawable.ic_english, R.drawable.ic_arabic }; 
     int countryList = 1; 
     int languageList = 2; 
     String[] languagesave = language; 

     //Create a customer adapter for the language list 
     mLanguageAdapter = new ArrayAdapter<String>(this, 
       android.R.layout.simple_list_item_multiple_choice, country); 
     mCountryList.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 
     mCountryList.setAdapter(new CountryLanguageAdapter(CountryLanguageActivity.this, country, countryIcon, countryList)); 
     //Create a customer adapter for the country list 
     mCountryAdaptor = new ArrayAdapter<String>(this, 
       android.R.layout.simple_list_item_multiple_choice, language); 
     mLanguageList.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 
     mLanguageList.setAdapter(new CountryLanguageAdapter(CountryLanguageActivity.this, language, languageIcon, languageList)); 

     ViewTreeObserver listVTO = mCountryList.getViewTreeObserver(); 
     listVTO.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { 
      @Override 
      public void onGlobalLayout() { 
       mCountryList.getViewTreeObserver().removeOnGlobalLayoutListener(this); 
       resizeListView(mCountryList); 
      } 
     }); 

     ViewTreeObserver listVTO1 = mLanguageList.getViewTreeObserver(); 
     listVTO1.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { 
      @Override 
      public void onGlobalLayout() { 
       mLanguageList.getViewTreeObserver().removeOnGlobalLayoutListener(this); 
       resizeListView(mLanguageList); 
      } 
     }); 

     mSaveButton.setOnClickListener(this); 

     SharedPreferences sharedpreferences = CountryLanguageActivity.this.getSharedPreferences(getString(R.string.file_Save),MODE_PRIVATE); 
     SharedPreferences.Editor editor = sharedpreferences.edit(); 
     editor.putString(getString(R.string.language),languagesave); 
     editor.commit(); 

    } 

    //onclick even for the save and continue button 
    public void onClick(View v) { 
     //ViewDialog alert = new ViewDialog(); 
     //alert.showDialog(ListViewMultipleSelectionActivity.this, "Please select the country"); 
     Intent intent = new Intent(CountryLanguageActivity.this,LeftRightNavigationActivity.class); 


     SharedPreferences sharedpreferences = CountryLanguageActivity.this.getSharedPreferences(getString(R.string.file_Save),MODE_PRIVATE); 
     SharedPreferences.Editor editor = sharedpreferences.edit(); 
     editor.putString(getString(R.string.language),languagesave); 
     editor.commit(); 


     startActivity(intent); 
    } 

    // Dynamically set the height for the items in list view 
    private void resizeListView(ListView listView) { 
     ListAdapter adapter = listView.getAdapter(); 
     int count = adapter.getCount(); 
     int itemsHeight = 0; 
     // Your views have the same layout, so all of them have 
     // the same height 
     View oneChild = listView.getChildAt(0); 
     if(oneChild == null) 
      return; 
     itemsHeight = oneChild.getHeight(); 
     // Resize your list view 
     LinearLayout.LayoutParams params = (LinearLayout.LayoutParams)listView.getLayoutParams(); 
     params.height = itemsHeight * count; 
     listView.setLayoutParams(params); 
    } 
} 

enter image description here

Answer 1

überprüfen meinen Code aus:

Private void changeLanguage (final int position) { 
    final SharedPreferences sharedPreferences = getSharedPreferences(getString(R.string.app_name), Context.MODE_PRIVATE); 
    final SharedPreferences.Editor editor = sharedPreferences.edit(); 
    if (position == 1) { 
     final Locale myLocale = new Locale("ar"); 
     final Resources res = getResources(); 
     final DisplayMetrics dm = res.getDisplayMetrics(); 
     final Configuration conf = res.getConfiguration(); 
     conf.locale = myLocale; 
     res.updateConfiguration(conf, dm); 
     editor.putString("KEY","ar"); 
    } else { 
     final Locale myLocale = new Locale("en"); 
     final Resources res = getResources(); 
     final DisplayMetrics dm = res.getDisplayMetrics(); 
     final Configuration conf = res.getConfiguration(); 
     conf.locale = myLocale; 
     res.updateConfiguration(conf, dm); 
     editor.putString("KEY","en"); 
    } 
    editor.apply(); 
} 

Code unten in Activity Setzen Vor-Ort-

final SharedPreferences sharedPreferences = getSharedPreferences(getString(R.string.app_name), Context.MODE_PRIVATE); 
     languagesave = sharedPreferences.getString("KEY", "en"); 

ich den Posten aktualisiert haben.

listview.setOnItemClickListener(new AdapterView.OnItemClickListener() { 
      @Override 
      public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 

       changeLanguage(position); 

       final Intent refresh = new Intent(MainActivity.this, MainActivity.class); 
       startActivity(refresh); 
       finish(); 

      } 
     });