Optionally load emoji

app/build.gradle

@@ -293,6 +293,7 @@ dependencies {
     def core_version = "1.6.0" // 1.7.0
     def shortcuts_version = "1.0.0"
     def appcompat_version = "1.3.1"
+    def emoji_version = "1.0.0-beta01"
     def activity_version = "1.4.0"
     def fragment_version = "1.4.0-beta01"
     def webkit_version = "1.4.0"
@@ -350,9 +351,11 @@ dependencies {
     implementation "androidx.core:core-google-shortcuts:$shortcuts_version"
 
     // https://mvnrepository.com/artifact/androidx.appcompat/appcompat
+    // https://mvnrepository.com/artifact/androidx.emoji2/emoji2
     // https://mvnrepository.com/artifact/androidx.activity/activity
     // https://mvnrepository.com/artifact/androidx.fragment/fragment
     implementation "androidx.appcompat:appcompat:$appcompat_version"
+    implementation "androidx.emoji2:emoji2:$emoji_version"
     implementation "androidx.activity:activity:$activity_version"
     implementation "androidx.fragment:fragment:$fragment_version"
 

app/src/main/java/eu/faircode/email/ApplicationEx.java

@@ -39,6 +39,9 @@ import android.webkit.CookieManager;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.emoji2.text.DefaultEmojiCompatConfig;
+import androidx.emoji2.text.EmojiCompat;
+import androidx.emoji2.text.FontRequestEmojiCompatConfig;
 import androidx.preference.PreferenceManager;
 import androidx.work.WorkManager;
 
@@ -147,6 +150,7 @@ public class ApplicationEx extends Application
 
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
         final boolean crash_reports = prefs.getBoolean("crash_reports", false);
+        final boolean load_emoji = prefs.getBoolean("load_emoji", BuildConfig.PLAY_STORE_RELEASE);
 
         prev = Thread.getDefaultUncaughtExceptionHandler();
 
@@ -190,6 +194,18 @@ public class ApplicationEx extends Application
         if (Helper.hasWebView(this))
             CookieManager.getInstance().setAcceptCookie(false);
 
+        Log.i("Load emoji=" + load_emoji);
+        if (!load_emoji)
+            try {
+                FontRequestEmojiCompatConfig crying = DefaultEmojiCompatConfig.create(this);
+                if (crying != null) {
+                    crying.setMetadataLoadStrategy(EmojiCompat.LOAD_STRATEGY_MANUAL);
+                    EmojiCompat.init(crying);
+                }
+            } catch (Throwable ex) {
+                Log.e(ex);
+            }
+
         EncryptionHelper.init(this);
         MessageHelper.setSystemProperties(this);
 
@@ -244,6 +260,7 @@ public class ApplicationEx extends Application
                 ServiceSynchronize.scheduleWatchdog(this);
                 break;
             case "secure": // privacy
+            case "load_emoji": // privacy
             case "shortcuts": // misc
             case "language": // misc
             case "wal": // misc

app/src/main/java/eu/faircode/email/FragmentOptionsPrivacy.java

@@ -83,6 +83,7 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
     private TextView tvGenericUserAgent;
     private SwitchCompat swSafeBrowsing;
     private ImageButton ibSafeBrowsing;
+    private SwitchCompat swLoadEmoji;
     private ImageButton ibDisconnectBlacklist;
     private Button btnDisconnectBlacklist;
     private TextView tvDisconnectBlacklistTime;
@@ -98,7 +99,7 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
             "disable_tracking", "hide_timezone",
             "pin", "biometrics", "biometrics_timeout", "autolock",
             "client_id", "display_hidden", "incognito_keyboard", "secure",
-            "generic_ua", "safe_browsing",
+            "generic_ua", "safe_browsing", "load_emoji",
             "disconnect_auto_update", "disconnect_links", "disconnect_images"
     };
 
@@ -136,6 +137,7 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
         tvGenericUserAgent = view.findViewById(R.id.tvGenericUserAgent);
         swSafeBrowsing = view.findViewById(R.id.swSafeBrowsing);
         ibSafeBrowsing = view.findViewById(R.id.ibSafeBrowsing);
+        swLoadEmoji = view.findViewById(R.id.swLoadEmoji);
         ibDisconnectBlacklist = view.findViewById(R.id.ibDisconnectBlacklist);
         btnDisconnectBlacklist = view.findViewById(R.id.btnDisconnectBlacklist);
         tvDisconnectBlacklistTime = view.findViewById(R.id.tvDisconnectBlacklistTime);
@@ -344,6 +346,13 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
 
         grpSafeBrowsing.setEnabled(WebViewEx.isFeatureSupported(WebViewFeature.SAFE_BROWSING_ENABLE));
 
+        swLoadEmoji.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("load_emoji", checked).commit(); // apply won't work here
+            }
+        });
+
         ibDisconnectBlacklist.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
@@ -488,6 +497,7 @@ public class FragmentOptionsPrivacy extends FragmentBase implements SharedPrefer
         tvGenericUserAgent.setText(WebViewEx.getUserAgent(getContext()));
         swGenericUserAgent.setChecked(prefs.getBoolean("generic_ua", true));
         swSafeBrowsing.setChecked(prefs.getBoolean("safe_browsing", false));
+        swLoadEmoji.setChecked(prefs.getBoolean("load_emoji", BuildConfig.PLAY_STORE_RELEASE));
 
         long time = prefs.getLong("disconnect_last", -1);
         DateFormat DF = SimpleDateFormat.getDateTimeInstance();

app/src/main/res/layout/fragment_options_privacy.xml

@@ -489,6 +489,29 @@
                     app:layout_constraintTop_toBottomOf="@id/tvSafeBrowsingHint"
                     app:srcCompat="@drawable/twotone_info_24" />
 
+                <androidx.appcompat.widget.SwitchCompat
+                    android:id="@+id/swLoadEmoji"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="12dp"
+                    android:text="@string/title_advanced_load_emoji"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/ibSafeBrowsing"
+                    app:switchPadding="12dp" />
+
+                <eu.faircode.email.FixedTextView
+                    android:id="@+id/tvLoadEmojiHint"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginEnd="48dp"
+                    android:text="@string/title_advanced_english_hint"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                    android:textStyle="italic"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/swLoadEmoji" />
+
                 <eu.faircode.email.FixedTextView
                     android:id="@+id/tvDisconnectBlacklist"
                     android:layout_width="0dp"
@@ -501,7 +524,7 @@
                     android:textColor="?android:attr/textColorPrimary"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/ibSafeBrowsing" />
+                    app:layout_constraintTop_toBottomOf="@id/tvLoadEmojiHint" />
 
                 <ImageButton
                     android:id="@+id/ibDisconnectBlacklist"

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

@@ -603,6 +603,7 @@
     <string name="title_advanced_autolock">Lock on screen off</string>
     <string name="title_advanced_generic_user_agent">Use generic browser user agent</string>
     <string name="title_advanced_safe_browsing" translatable="false">Google Safe browsing (Android 8+)</string>
+    <string name="title_advanced_load_emoji">Load updated Emoji from Google Play Services</string>
     <string name="title_advanced_disconnect_blacklist" translatable="false">Disconnect\'s tracker protection lists</string>
     <string name="title_advanced_disconnect_auto_update">Automatically update lists weekly</string>
     <string name="title_advanced_disconnect_links">Use lists to warn about tracking links</string>