Feat:Language support

mifosng-android/src/main/AndroidManifest.xml

@@ -129,6 +129,7 @@
         <activity
             android:name=".SettingsActivity"
             android:label="@string/settings"
+            android:configChanges="orientation|locale"
             android:screenOrientation="portrait" />
         <activity
             android:name=".offline.syncsavingsaccounttransaction.SyncSavingsAccountTransactionActivity"

mifosng-android/src/main/java/com/mifos/App.java

@@ -21,6 +21,7 @@
 import com.mifos.mifosxdroid.injection.module.ApplicationModule;
 import com.mifos.mifosxdroid.offlinejobs.OfflineJobCreator;
 import com.mifos.mobile.passcode.utils.ForegroundChecker;
+import com.mifos.utils.LanguageHelper;
 import com.raizlabs.android.dbflow.config.FlowConfig;
 import com.raizlabs.android.dbflow.config.FlowManager;
 
@@ -86,4 +87,9 @@ public void setComponent(ApplicationComponent applicationComponent) {
         mApplicationComponent = applicationComponent;
     }
 
-}
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(LanguageHelper.onAttach(base, "en"));
+    }
+
+}

mifosng-android/src/main/java/com/mifos/mifosxdroid/SettingsActivity.java

@@ -1,8 +1,10 @@
 package com.mifos.mifosxdroid;
 
+import android.content.Intent;
 import android.os.Bundle;
 
 import com.mifos.mifosxdroid.core.MifosBaseActivity;
+import com.mifos.mifosxdroid.online.DashboardActivity;
 
 /**
  * Created by mayankjindal on 22/07/17.
@@ -17,4 +19,12 @@ public void onCreate(Bundle savedInstanceState) {
                 .replace(R.id.container, new SettingsFragment())
                 .commit();
     }
+
+    @Override
+    public void onBackPressed() {
+        super.onBackPressed();
+        Intent i = new Intent(this, DashboardActivity.class);
+        startActivity(i);
+    }
+
 }

mifosng-android/src/main/java/com/mifos/mifosxdroid/SettingsFragment.java

@@ -1,22 +1,33 @@
 package com.mifos.mifosxdroid;
 
 import android.app.FragmentTransaction;
+import android.content.Intent;
+import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.PreferenceFragment;
-import android.preference.SwitchPreference;;
+import android.preference.SwitchPreference;
+import android.widget.Toast;;
 
+import com.mifos.mifosxdroid.core.util.Toaster;
 import com.mifos.mifosxdroid.dialogfragments.syncsurveysdialog.SyncSurveysDialogFragment;
 import com.mifos.utils.FragmentConstants;
+import com.mifos.utils.LanguageHelper;
 
 /**
  * Created by mayankjindal on 22/07/17.
  */
 
-public class SettingsFragment extends PreferenceFragment {
+public class SettingsFragment extends PreferenceFragment implements
+        SharedPreferences.OnSharedPreferenceChangeListener {
+
 
     SwitchPreference mEnableSyncSurvey;
 
+    private String[] languages;
+    private LanguageCallback languageCallback;
+
     public static SettingsFragment newInstance() {
         SettingsFragment fragment = new SettingsFragment();
         Bundle args = new Bundle();
@@ -28,6 +39,7 @@ public static SettingsFragment newInstance() {
     public void onCreate(final Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         addPreferencesFromResource(R.xml.preferences);
+        languages = getActivity().getResources().getStringArray(R.array.language_option);
         mEnableSyncSurvey = (SwitchPreference)
                 findPreference(getResources().getString(R.string.sync_survey));
         mEnableSyncSurvey.setOnPreferenceChangeListener(
@@ -45,7 +57,49 @@ public boolean onPreferenceChange(Preference preference, Object newValue) {
                                 getResources().getString(R.string.sync_clients));
                     }
                     return true;
-                }
-            });
+                    }
+                });
+    }
+
+    public static SettingsFragment newInstance(LanguageCallback languageCallback) {
+        SettingsFragment fragment = new SettingsFragment();
+        fragment.setLanguageCallback(languageCallback);
+        return fragment;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        getPreferenceScreen().getSharedPreferences().registerOnSharedPreferenceChangeListener(this);
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        getPreferenceScreen().getSharedPreferences().
+                unregisterOnSharedPreferenceChangeListener(this);
+    }
+
+    public void setLanguageCallback(LanguageCallback languageCallback) {
+        this.languageCallback = languageCallback;
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String s) {
+        Preference preference = findPreference(s);
+        if (preference instanceof ListPreference) {
+            ListPreference listPreference = (ListPreference) preference;
+            LanguageHelper.setLocale(this.getActivity(), listPreference.getValue());
+            Toast.makeText(getActivity(), R.string.lang_changed, Toast.LENGTH_SHORT).show();
+            //this.languageCallback.updateNavDrawer();
+            startActivity(new Intent(getActivity(), getActivity().getClass()));
+            //refresh settings fragment
+            setPreferenceScreen(null);
+            addPreferencesFromResource(R.xml.preferences);
+        }
+    }
+
+    public interface LanguageCallback {
+        void updateNavDrawer();
     }
 }

mifosng-android/src/main/java/com/mifos/mifosxdroid/core/MifosBaseActivity.java

@@ -27,6 +27,7 @@
 import com.mifos.mifosxdroid.passcode.PassCodeActivity;
 import com.mifos.mobile.passcode.BasePassCodeActivity;
 import com.mifos.utils.Constants;
+import com.mifos.utils.LanguageHelper;
 import com.mifos.utils.PrefManager;
 
 /**
@@ -63,6 +64,11 @@ public void setActionBarTitle(String title) {
         }
     }
 
+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(LanguageHelper.onAttach(base));
+    }
+
     protected void showBackButton() {
         if (getSupportActionBar() != null) {
             getSupportActionBar().setHomeButtonEnabled(true);

mifosng-android/src/main/java/com/mifos/mifosxdroid/core/MifosBaseFragment.java

@@ -15,6 +15,7 @@
 import android.view.inputmethod.InputMethodManager;
 
 import com.mifos.mifosxdroid.R;
+import com.mifos.utils.LanguageHelper;
 import com.mifos.utils.Network;
 
 /**
@@ -27,10 +28,10 @@ public class MifosBaseFragment extends Fragment {
     private InputMethodManager inputManager;
     private MifosProgressBarHandler mMifosProgressBarHandler;
 
-    @SuppressWarnings("deprecation")
     @Override
-    public void onAttach(Activity activity) {
-        super.onAttach(activity);
+    public void onAttach(Context context) {
+        super.onAttach(LanguageHelper.onAttach(context));
+        Activity activity = context instanceof Activity ? (Activity) context : null;
         this.activity = activity;
         try {
             callback = (BaseActivityCallback) activity;

mifosng-android/src/main/java/com/mifos/mifosxdroid/online/DashboardActivity.java

@@ -79,7 +79,6 @@ public void onCreate(Bundle savedInstanceState) {
         setContentView(R.layout.activity_dashboard);
 
         ButterKnife.bind(this);
-        runJobs();
         replaceFragment(new SearchFragment(), false, R.id.container);
 
         // setup navigation drawer and Navigation Toggle click and Offline Mode SwitchButton

mifosng-android/src/main/java/com/mifos/utils/LanguageHelper.java

@@ -0,0 +1,73 @@
+package com.mifos.utils;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.os.Build;
+import android.preference.PreferenceManager;
+
+import com.mifos.mifosxdroid.R;
+
+import java.util.Locale;
+
+/**
+ * Created by shashankpriyadarshi on 20/06/20.
+ */
+
+public class LanguageHelper {
+
+    public static Context onAttach(Context context) {
+        String lang = getPersistedData(context, Locale.getDefault().getLanguage());
+        return setLocale(context, lang);
+    }
+
+    public static Context onAttach(Context context, String defaultLanguage) {
+        String lang = getPersistedData(context, defaultLanguage);
+        return setLocale(context, lang);
+    }
+
+    public static Context setLocale(Context context, String language) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            return updateResources(context, language);
+        }
+
+        return updateResourcesLegacy(context, language);
+    }
+
+    private static String getPersistedData(Context context, String defaultLanguage) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
+        return preferences.getString(context.getString(R.string.language_type), defaultLanguage);
+    }
+
+    @TargetApi(Build.VERSION_CODES.N)
+    private static Context updateResources(Context context, String language) {
+        Locale locale = new Locale(language);
+        Locale.setDefault(locale);
+
+        Configuration configuration = context.getResources().getConfiguration();
+        configuration.setLocale(locale);
+        configuration.setLayoutDirection(locale);
+
+        return context.createConfigurationContext(configuration);
+    }
+
+    @SuppressWarnings("deprecation")
+    private static Context updateResourcesLegacy(Context context, String language) {
+        Locale locale = new Locale(language);
+        Locale.setDefault(locale);
+
+        Resources resources = context.getResources();
+
+        Configuration configuration = resources.getConfiguration();
+        configuration.locale = locale;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+            configuration.setLayoutDirection(locale);
+        }
+
+        resources.updateConfiguration(configuration, resources.getDisplayMetrics());
+
+        return context;
+    }
+}

mifosng-android/src/main/res/values/strings.xml

@@ -832,4 +832,29 @@
     <string name="entry">ENTRY</string>
     <string name="network_issue">Network Issue</string>
 
+    <string name="language">Language</string>
+    <string name="language_type" translatable="false">language_type</string>
+    <string name="lang_changed">Language Changed</string>
+
+    <string-array name="language_option" translatable="false">
+        <item>Catalan</item>
+        <item>English</item>
+        <item>Spanish</item>
+        <item>French</item>
+        <item>Swahili</item>
+        <item>हिंदी</item>
+        <item>Chinese</item>
+    </string-array>
+
+
+    <string-array name="languages_value" translatable="false">
+        <item>ca</item>
+        <item>en</item>
+        <item>es</item>
+        <item>fr</item>
+        <item>sw</item>
+        <item>hi</item>
+        <item>zh</item>
+    </string-array>
+
 </resources>

mifosng-android/src/main/res/xml/preferences.xml

@@ -3,4 +3,13 @@
     <SwitchPreference
         android:key="@string/sync_survey"
         android:title="@string/sync_survey"/>
+
+    <ListPreference
+        android:title="@string/language"
+        android:summary="Select the language in which you want to view the app"
+        android:key="@string/language_type"
+        android:defaultValue="en"
+        android:entries="@array/language_option"
+        android:entryValues="@array/languages_value" />
+
 </PreferenceScreen>