Add support for language switching (#1108)

* Add support for language switching * Clean and improve code based on feedback * Remove useless logging
2019-03-08 20:33:42 +01:00 · 2019-03-08 20:33:42 +01:00 · 3742cb682c
commit 3742cb682c
parent be045d5ab9
8 changed files with 171 additions and 22 deletions
--- a/app/src/main/java/com/keylesspalace/tusky/BaseActivity.java
+++ b/app/src/main/java/com/keylesspalace/tusky/BaseActivity.java
@ -16,6 +16,7 @@
 package com.keylesspalace.tusky;

 import android.app.ActivityManager;
+import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.graphics.Bitmap;
@ -99,6 +100,11 @@ public abstract class BaseActivity extends AppCompatActivity implements Injectab
        callList = new ArrayList<>();
    }

+    @Override
+    protected void attachBaseContext(Context base) {
+        super.attachBaseContext(TuskyApplication.localeManager.setLocale(base));
+    }
+
    protected boolean requiresLogin() {
        return true;
    }
--- a/app/src/main/java/com/keylesspalace/tusky/PreferencesActivity.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/PreferencesActivity.kt
@ -125,16 +125,9 @@ class PreferencesActivity : BaseActivity(), SharedPreferences.OnSharedPreference
                val theme = sharedPreferences.getNonNullString("appTheme", ThemeUtils.APP_THEME_DEFAULT)
                Log.d("activeTheme", theme)
                ThemeUtils().setAppNightMode(theme, this)
-                restartActivitiesOnExit = true

-                // recreate() could be used instead, but it doesn't have an animation B).
-                intent.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK
-                val savedInstanceState = Bundle()
-                saveInstanceState(savedInstanceState)
-                intent.putExtras(savedInstanceState)
-                startActivityWithSlideInAnimation(intent)
-                finish()
-                overridePendingTransition(R.anim.fade_in, R.anim.fade_out)
+                restartActivitiesOnExit = true
+                this.restartCurrentActivity()

                // MODE_NIGHT_FOLLOW_SYSTEM workaround part 2 :/
                when(theme){
@ -143,7 +136,6 @@ class PreferencesActivity : BaseActivity(), SharedPreferences.OnSharedPreference
                    }
                }
                //workaround end
-
            }
            "statusTextSize" -> {
                restartActivitiesOnExit = true
@ -151,11 +143,24 @@ class PreferencesActivity : BaseActivity(), SharedPreferences.OnSharedPreference
            "absoluteTimeView" -> {
                restartActivitiesOnExit = true
            }
+            "language" -> {
+                restartActivitiesOnExit = true
+                this.restartCurrentActivity()
+            }
        }

        eventHub.dispatch(PreferenceChangedEvent(key))
    }

+    private fun restartCurrentActivity() {
+        intent.flags = Intent.FLAG_ACTIVITY_CLEAR_TOP or Intent.FLAG_ACTIVITY_NEW_TASK
+        val savedInstanceState = Bundle()
+        saveInstanceState(savedInstanceState)
+        intent.putExtras(savedInstanceState)
+        startActivityWithSlideInAnimation(intent)
+        finish()
+        overridePendingTransition(R.anim.fade_in, R.anim.fade_out)
+    }

    override fun onBackPressed() {
        /* Switching themes won't actually change the theme of activities on the back stack.
--- a/app/src/main/java/com/keylesspalace/tusky/TuskyApplication.java
+++ b/app/src/main/java/com/keylesspalace/tusky/TuskyApplication.java
@ -20,7 +20,10 @@ import android.app.Application;
 import android.app.Service;
 import androidx.room.Room;
 import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.res.Configuration;
 import android.preference.PreferenceManager;
+import android.util.Log;
 import androidx.emoji.text.EmojiCompat;

 import com.evernote.android.job.JobManager;
@ -29,6 +32,7 @@ import com.keylesspalace.tusky.db.AccountManager;
 import com.keylesspalace.tusky.db.AppDatabase;
 import com.keylesspalace.tusky.di.AppInjector;
 import com.keylesspalace.tusky.util.EmojiCompatFont;
+import com.keylesspalace.tusky.util.LocaleManager;
 import com.keylesspalace.tusky.util.NotificationPullJobCreator;
 import com.squareup.picasso.Picasso;

@ -62,6 +66,10 @@ public class TuskyApplication extends Application implements HasActivityInjector

    private ServiceLocator serviceLocator;

+    public static LocaleManager localeManager;
+
+    private final String TAG = "TuskyApplication";
+
    @Override
    public void onCreate() {
        super.onCreate();
@ -103,6 +111,18 @@ public class TuskyApplication extends Application implements HasActivityInjector
        Security.insertProviderAt(Conscrypt.newProvider(), 1);
    }

+    @Override
+    protected void attachBaseContext(Context base) {
+        localeManager = new LocaleManager(base);
+        super.attachBaseContext(localeManager.setLocale(base));
+    }
+
+    @Override
+    public void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        localeManager.setLocale(this);
+    }
+
    /**
     * This method will load the EmojiCompat font which has been selected.
     * If this font does not work or if the user hasn't selected one (yet), it will use a
@ -157,4 +177,4 @@ public class TuskyApplication extends Application implements HasActivityInjector
    public interface ServiceLocator {
        <T> T get(Class<T> clazz);
    }
-}
+}
--- a/app/src/main/java/com/keylesspalace/tusky/fragment/preference/PreferencesFragment.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/fragment/preference/PreferencesFragment.kt
@ -62,6 +62,8 @@ class PreferencesFragment : PreferenceFragmentCompat() {
            true
        }

+        val languagePreference: Preference = findPreference("language")
+        languagePreference.icon = IconicsDrawable(languagePreference.context, GoogleMaterial.Icon.gmd_translate).sizePx(iconSize).color(ThemeUtils.getColor(languagePreference.context, R.attr.toolbar_icon_tint))
    }

    override fun onResume() {
@ -75,22 +77,22 @@ class PreferencesFragment : PreferenceFragmentCompat() {

        val sharedPreferences = preferenceManager.sharedPreferences

-            val httpProxyEnabled = sharedPreferences.getBoolean("httpProxyEnabled", false)
+        val httpProxyEnabled = sharedPreferences.getBoolean("httpProxyEnabled", false)

-            val httpServer = sharedPreferences.getNonNullString("httpProxyServer", "")
+        val httpServer = sharedPreferences.getNonNullString("httpProxyServer", "")

-            try {
-                val httpPort = sharedPreferences.getNonNullString("httpProxyPort", "-1").toInt()
+        try {
+            val httpPort = sharedPreferences.getNonNullString("httpProxyPort", "-1").toInt()

-                if (httpProxyEnabled && httpServer.isNotBlank() && httpPort > 0 && httpPort < 65535) {
-                    httpProxyPref.summary = "$httpServer:$httpPort"
-                    return
-                }
-            } catch (e: NumberFormatException) {
-                // user has entered wrong port, fall back to empty summary
+            if (httpProxyEnabled && httpServer.isNotBlank() && httpPort > 0 && httpPort < 65535) {
+                httpProxyPref.summary = "$httpServer:$httpPort"
+                return
            }
+        } catch (e: NumberFormatException) {
+            // user has entered wrong port, fall back to empty summary
+        }

-            httpProxyPref.summary = ""
+        httpProxyPref.summary = ""

    }

--- a/app/src/main/java/com/keylesspalace/tusky/util/LocaleManager.kt
+++ b/app/src/main/java/com/keylesspalace/tusky/util/LocaleManager.kt
@ -0,0 +1,46 @@
+/* Copyright 2019 Mélanie Chauvel (ariasuni)
+ *
+ * This file is a part of Tusky.
+ *
+ * This program is free software; you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation; either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
+ * Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with Tusky; if not,
+ * see <http://www.gnu.org/licenses>. */
+
+package com.keylesspalace.tusky.util
+
+import android.content.Context
+import android.content.SharedPreferences
+import android.content.res.Configuration
+import android.content.res.Resources
+import android.preference.PreferenceManager
+
+import java.util.Locale
+
+import com.keylesspalace.tusky.util.getNonNullString
+
+
+class LocaleManager(context: Context) {
+
+    private var prefs: SharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+
+    fun setLocale(context: Context): Context {
+        val language = prefs.getNonNullString("language", "default")
+        if (language.equals("default")) {
+            return context;
+        }
+        val locale = Locale.forLanguageTag(language)
+        Locale.setDefault(locale)
+
+        val res = context.getResources()
+        val config = Configuration(res.getConfiguration());
+        config.setLocale(locale)
+        return context.createConfigurationContext(config)
+    }
+}
--- a/app/src/main/res/values/donottranslate.xml
+++ b/app/src/main/res/values/donottranslate.xml
@ -31,4 +31,65 @@
        <item>auto_system</item>
    </string-array>

+    <string-array name="language_entries">
+        <item>@string/system_default</item>
+        <item>Català</item>
+        <item>Cymraeg</item>
+        <item>Deutsch</item>
+        <item>English</item>
+        <item>Español</item>
+        <item>Euskara</item>
+        <item>Français</item>
+        <item>Italiano</item>
+        <item>Magyar</item>
+        <item>Nederlands</item>
+        <item>Occitan</item>
+        <item>Polski</item>
+        <item>Português (Brasil)</item>
+        <item>Svenska</item>
+        <item>Türkçe</item>
+        <item>Русский</item>
+        <item>العَرَبِيَّة‎</item>
+        <item>فارسی</item>
+        <item>தமிழ்</item>
+        <item>한국어</item>
+        <item>中文(台灣)</item>
+        <item>中文(新加坡)</item>
+        <item>中文(澳門)</item>
+        <item>中文(简体)</item>
+        <item>中文(香港)</item>
+        <item>日本語</item>
+    </string-array>
+
+    <string-array name="language_values">
+        <item>default</item>
+        <item>ca</item>
+        <item>cy</item>
+        <item>de</item>
+        <item>en</item>
+        <item>es</item>
+        <item>eu</item>
+        <item>fr</item>
+        <item>it</item>
+        <item>hu</item>
+        <item>nl</item>
+        <item>oc</item>
+        <item>pl</item>
+        <item>pt-BR</item>
+        <item>sv</item>
+        <item>tr</item>
+        <item>ru</item>
+        <item>ar</item>
+        <item>fa</item>
+        <item>ta</item>
+        <item>ko</item>
+        <item>zh-TW</item>
+        <item>zh-SG</item>
+        <item>zh-MO</item>
+        <item>zh-CN</item>
+        <item>zh-HK</item>
+        <item>ja</item>
+    </string-array>
+
+    <string name="pref_title_language_settings">Language</string>
 </resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -211,6 +211,7 @@
    <string name="pref_title_browser_settings">Browser</string>
    <string name="pref_title_custom_tabs">Use Chrome Custom Tabs</string>
    <string name="pref_title_hide_follow_button">Hide compose button while scrolling</string>
+    <string name="pref_title_language">Language</string>
    <string name="pref_title_status_filter">Timeline filtering</string>
    <string name="pref_title_status_tabs">Tabs</string>
    <string name="pref_title_show_boosts">Show boosts</string>
--- a/app/src/main/res/xml/preferences.xml
+++ b/app/src/main/res/xml/preferences.xml
@ -21,6 +21,14 @@
            android:icon="@drawable/ic_emoji_24dp"
            android:title="@string/emoji_style" />

+        <ListPreference
+            android:defaultValue="default"
+            android:entries="@array/language_entries"
+            android:entryValues="@array/language_values"
+            android:key="language"
+            android:summary="%s"
+            android:title="@string/pref_title_language" />
+
        <ListPreference
            android:defaultValue="medium"
            android:entries="@array/status_text_size_names"