Android: Add language override setting

android/app/src/main/java/com/github/stenzek/duckstation/AndroidHostInterface.java

@@ -9,6 +9,7 @@ import android.widget.Toast;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.Locale;
 
 public class AndroidHostInterface {
     public final static int DISPLAY_ALIGNMENT_TOP_OR_LEFT = 0;

android/app/src/main/java/com/github/stenzek/duckstation/MainActivity.java

@@ -6,6 +6,8 @@ import android.content.ClipboardManager;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
+import android.content.res.Configuration;
+import android.content.res.Resources;
 import android.net.Uri;
 import android.os.Bundle;
 import android.util.Log;
@@ -30,6 +32,7 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.HashSet;
+import java.util.Locale;
 import java.util.Set;
 
 public class MainActivity extends AppCompatActivity {
@@ -42,6 +45,25 @@ public class MainActivity extends AppCompatActivity {
     private ListView mGameListView;
     private boolean mHasExternalStoragePermissions = false;
 
+    private void setLanguage() {
+        String language = PreferenceManager.getDefaultSharedPreferences(this).getString("Main/Language", "none");
+        if (language == null || language.equals("none")) {
+            return;
+        }
+
+        String[] parts = language.split("-");
+        if (parts.length < 2)
+            return;
+
+        Locale locale = new Locale(parts[0], parts[1]);
+        Locale.setDefault(locale);
+
+        Resources res = getResources();
+        Configuration config = res.getConfiguration();
+        config.setLocale(locale);
+        res.updateConfiguration(config, res.getDisplayMetrics());
+    }
+
     private boolean shouldResumeStateByDefault() {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
         return prefs.getBoolean("Main/SaveStateOnExit", true);
@@ -59,6 +81,7 @@ public class MainActivity extends AppCompatActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        setLanguage();
 
         setContentView(R.layout.activity_main);
         Toolbar toolbar = findViewById(R.id.toolbar);

android/app/src/main/res/values/arrays.xml

@@ -421,4 +421,16 @@
         <item>portrait</item>
         <item>landscape</item>
     </string-array>
+    <string-array name="settings_language_entries">
+        <item>Use Device Setting</item>
+        <item>English</item>
+        <item>Portuguese (pt) in Brazil (BR)</item>
+        <item>Italian (it)</item>
+    </string-array>
+    <string-array name="settings_language_values">
+        <item>none</item>
+        <item>en-EN</item>
+        <item>pt-rBR</item>
+        <item>it-IT</item>
+    </string-array>
 </resources>

android/app/src/main/res/values/strings.xml

@@ -151,4 +151,5 @@
     <string name="main_activity_copy">Copy</string>
     <string name="settings_gpu_thread">Threaded GPU Rendering</string>
     <string name="settings_summary_gpu_thread">Uses a second thread for drawing graphics. Currently only available for the software renderer, but can provide a significant speed improvement, and is safe to use.</string>
+    <string name="settings_language">Language (restart to apply)</string>
 </resources>

android/app/src/main/res/xml/advanced_preferences.xml

@@ -15,6 +15,14 @@
   -->
 
 <PreferenceScreen xmlns:app="http://schemas.android.com/apk/res-auto">
+    <ListPreference
+        app:key="Main/Language"
+        app:title="@string/settings_language"
+        app:defaultValue="none"
+        app:entries="@array/settings_language_entries"
+        app:entryValues="@array/settings_language_values"
+        app:useSimpleSummaryProvider="true"
+        app:iconSpaceReserved="false" />
     <ListPreference
         app:key="CPU/Overclock"
         app:title="@string/settings_cpu_overclocking"