title: Multilingual Android app using spinner
body: <p>I wanted to make multilingual this app,it works fine but issue is it reloads the page to change selected language, after reloading it doesn't showing the selected lang in spinner but changes language in views. Question is how can i set the selected language after reloading or updating lang.also i want to take this selected lang in further activities to load contents in selected lang.
  Thanks. sorry for any error i made in posting as im new.please ignore the spinner in actionbar. </p>
  
  <p>package com.ssoft.myapp;</p>
  
  <pre><code>import android.content.Context;
  import android.content.Intent;
  import android.content.SharedPreferences;
  import android.content.res.Configuration;
  import android.content.res.Resources;
  import android.os.Bundle;
  import android.support.v7.app.ActionBar;
  import android.support.v7.app.ActionBarActivity;
  import android.text.TextUtils;
  import android.util.DisplayMetrics;
  import android.util.Log;
  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.AdapterView;
  import android.widget.ArrayAdapter;
  import android.widget.Button;
  import android.widget.EditText;
  import android.widget.ImageView;
  import android.widget.Spinner;
  import android.widget.TextView;
  import android.widget.Toast;
  
  import java.util.Locale;
  
  
  public class Login extends ActionBarActivity implements ActionBar.OnNavigationListener {
  
      Locale myLocale;
      String lan;
      String[] Country_list = {"English(US)", "German", "French"};
      Integer[] flags = {R.drawable.ic_us, R.drawable.ic_ger, R.drawable.ic_frn};
  
      public TextView frgt;
      Button login;
      EditText et_UserName = null, et_Password = null;
      String String_Email = "", String_Password;
      String email_Pattern = "[a-zA-Z0-9._]+@[a-z]+\\.+[a-z]+";
  
      @Override
      protected void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.login);
          final Spinner mySpinner = (Spinner) findViewById(R.id.spinner);
          mySpinner.setAdapter(new MyCustomAdapter(Login.this,
                  R.layout.language, Country_list, flags));
          mySpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
              @Override
              public void onItemSelected(AdapterView&lt;?&gt; adapterView, View view, int i, long l) {
  
  
                  lan = mySpinner.getSelectedItem().toString();
                  Log.e("Language Selected", lan);
                  SharedPreferences pref = getApplicationContext().getSharedPreferences("MyPref", 0);
                  SharedPreferences.Editor editor = pref.edit();
                  editor.putString("lan", "lan");
  
          /*if (i==0) {
  
              setLocale("en");
          }
  
  
     else*/
                  if (i == 1) {
                     setLocale("de");
  
                  } else if (i == 2) {
                      setLocale("fr");
                  }
  
  
              }
  
              @Override
              public void onNothingSelected(AdapterView&lt;?&gt; adapterView) {
  
              }
          });
  
  
          frgt = (TextView) findViewById(R.id.forgot);
  
          et_UserName = (EditText) findViewById(R.id.et_UserName);
          et_Password = (EditText) findViewById(R.id.et_Password);
          login = (Button) findViewById(R.id.btn_Login);
          login.setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View view) {
                  String_Email = et_UserName.getText().toString();
                  String_Password = et_Password.getText().toString();
                  if (TextUtils.isEmpty(String_Email) || TextUtils.isEmpty(String_Password)) {
                      if (TextUtils.isEmpty(String_Email))
                          et_UserName.setError("Please enter  email");
                      if (TextUtils.isEmpty(String_Password))
                          et_Password.setError("Please enter password");
                  } else if (!String_Password.matches("[a-zA-Z0-9.?]*")) {
                      et_Password.setError("special character not allowed");
                  } else if (!String_Email.matches(email_Pattern)) {
                      et_UserName.setError("Please enter a valid email");
                  } else {
  
  
  
                      Intent i1 = new Intent(Login.this, MainActivity.class);
                      startActivity(i1);
                  }
  
  
              }
          });
  
  
          ActionBar actionBar = getSupportActionBar();
  
          actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
  
          final String[] dropdownValues = getResources().getStringArray(
                  R.array.languages);
          ArrayAdapter adapter = new ArrayAdapter(
                  actionBar.getThemedContext(),
                  android.R.layout.simple_spinner_item, android.R.id.text1,
                  dropdownValues);
  
          adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
          actionBar.setListNavigationCallbacks(adapter, this);
  
  
          actionBar.setDisplayShowTitleEnabled(false);
          actionBar.setDisplayHomeAsUpEnabled(false);
          actionBar.setDisplayUseLogoEnabled(false);
          actionBar.setDisplayUseLogoEnabled(false);
          actionBar.setBackgroundDrawable(getResources().getDrawable(R.drawable.newheader));
  
  
      }
  
      @Override
      public boolean onNavigationItemSelected(int i, long l) {
  
  
          /*if (i==0) {
  
              setLocale("en");
              Log.d("Selected item is","English");
          }
          else*/
          if (i == 1) {
  
  
              setLocale("de");
  
  
          } else if (i == 2) {
  
              setLocale("fr");
  
          }
  
  
          return true;
      }
  
      public void setLocale(String lang) {
          myLocale = new Locale(lang);
          Resources res = getResources();
          DisplayMetrics dm = res.getDisplayMetrics();
          Configuration conf = res.getConfiguration();
          conf.locale = myLocale;
          res.updateConfiguration(conf, dm);
          Intent refresh = new Intent(this, Login.class);
  
      }
  
      public class MyCustomAdapter extends ArrayAdapter&lt;String&gt; {
  
  
          public MyCustomAdapter(Context context, int textViewResourceId,
                                 String[] objects, Integer[] image) {
              super(context, textViewResourceId, objects);
              // TODO Auto-generated constructor stub
          }
  
  
          @Override
          public View getDropDownView(int position, View convertView,
                                      ViewGroup parent) {
              // TODO Auto-generated method stub
              return getCustomView(position, convertView, parent);
          }
  
  
          @Override
          public View getView(int position, View convertView, ViewGroup parent) {
              // TODO Auto-generated method stub
              return getCustomView(position, convertView, parent);
          }
  
  
          public View getCustomView(int position, View convertView,
                                    ViewGroup parent) {
              // TODO Auto-generated method stub
              // return super.getView(position, convertView, parent);
  
  
              LayoutInflater inflater = getLayoutInflater();
              View row = inflater.inflate(R.layout.language, parent, false);
              TextView label = (TextView) row.findViewById(R.id.country);
              label.setText(Country_list[position]);
  
  
              ImageView icon = (ImageView) row.findViewById(R.id.icon);
              icon.setImageResource(flags[position]);
              return row;
          }
      }
  
  
      public class MyOnItemSelectedListener implements AdapterView.OnItemSelectedListener {
  
  
          public void onItemSelected(AdapterView&lt;?&gt; parent, View view, int pos,
                                     long id) {
              Toast.makeText(
                      parent.getContext(),
                      "The country is "
                              + parent.getItemAtPosition(pos).toString(),
                      Toast.LENGTH_LONG).show();
          }
  
  
          public void onNothingSelected(AdapterView parent) {
              // Do nothing.
          }
      }
  }
  </code></pre>