Added contributors list to about

FAQ.md

@@ -1123,6 +1123,9 @@ Alternatively, you might be able to enable the *Files* app again using the Andro
 Yes, you can translate the texts of FairEmail in your own language [on Crowdin](https://crowdin.com/project/open-source-email).
 Registration is free.
 
+If you would like your name or alias to be included in the list of contributors in *About* the app,
+please [contact me](https://contact.faircode.eu/?product=fairemailsupport).
+
 <br />
 
 <a name="faq27"></a>

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

@@ -1144,7 +1144,7 @@ public class ActivityView extends ActivityBilling implements FragmentManager.OnB
     }
 
     private void onMenuTranslate() {
-        Helper.view(this, Uri.parse(Helper.CROWDIN_URI), true);
+        Helper.viewFAQ(this, 26);
     }
 
     private void onMenuIssue() {

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

@@ -0,0 +1,100 @@
+package eu.faircode.email;
+
+/*
+    This file is part of FairEmail.
+
+    FairEmail 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.
+
+    FairEmail 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 FairEmail.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2018-2020 by Marcel Bokhorst (M66B)
+*/
+
+import android.content.Context;
+import android.content.res.XmlResourceParser;
+import android.text.TextUtils;
+
+import org.xmlpull.v1.XmlPullParser;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Contributor {
+    public String name;
+    public String alias;
+    public String contribution;
+
+    private Contributor() {
+    }
+
+    static List<Contributor> loadContributors(Context context) {
+        List<Contributor> result = null;
+        try {
+            Contributor contributor = null;
+            XmlResourceParser xml = context.getResources().getXml(R.xml.contributors);
+            int eventType = xml.getEventType();
+            while (eventType != XmlPullParser.END_DOCUMENT) {
+                if (eventType == XmlPullParser.START_TAG) {
+                    String name = xml.getName();
+                    if ("contributors".equals(name))
+                        result = new ArrayList<>();
+                    else if ("contributor".equals(name)) {
+                        contributor = new Contributor();
+                        contributor.name = xml.getAttributeValue(null, "name");
+                        contributor.alias = xml.getAttributeValue(null, "alias");
+                        contributor.contribution = xml.getAttributeValue(null, "contribution");
+                    } else
+                        throw new IllegalAccessException(name);
+                } else if (eventType == XmlPullParser.END_TAG) {
+                    if ("contributor".equals(xml.getName())) {
+                        result.add(contributor);
+                        contributor = null;
+                    }
+                }
+
+                eventType = xml.next();
+            }
+        } catch (Throwable ex) {
+            Log.e(ex);
+        }
+
+        return result;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+
+        if (!TextUtils.isEmpty(name))
+            sb.append(name);
+
+        if (!TextUtils.isEmpty(alias)) {
+            if (sb.length() > 0)
+                sb.append(' ');
+            if (!TextUtils.isEmpty(name))
+                sb.append('(');
+            sb.append(alias);
+            if (!TextUtils.isEmpty(name))
+                sb.append(')');
+        }
+
+        sb.append(" - ");
+
+        if (!TextUtils.isEmpty(contribution)) {
+            if (sb.length() > 0)
+                sb.append(' ');
+            sb.append(contribution);
+        }
+
+        return sb.toString();
+    }
+}

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

@@ -19,20 +19,26 @@ package eu.faircode.email;
     Copyright 2018-2020 by Marcel Bokhorst (M66B)
 */
 
+import android.content.Context;
 import android.graphics.Paint;
 import android.net.Uri;
 import android.os.Bundle;
 import android.text.TextUtils;
+import android.util.TypedValue;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.core.widget.TextViewCompat;
+
+import java.util.List;
 
 public class FragmentAbout extends FragmentBase {
     @Override
@@ -46,6 +52,7 @@ public class FragmentAbout extends FragmentBase {
         TextView tvVersion = view.findViewById(R.id.tvVersion);
         TextView tvRelease = view.findViewById(R.id.tvRelease);
         TextView tvGplV3 = view.findViewById(R.id.tvGplV3);
+        LinearLayout llContributors = view.findViewById(R.id.llContributors);
 
         tvVersion.setText(getString(R.string.title_version, BuildConfig.VERSION_NAME));
         tvRelease.setText(BuildConfig.RELEASE_NAME);
@@ -58,6 +65,19 @@ public class FragmentAbout extends FragmentBase {
             }
         });
 
+        final Context context = getContext();
+
+        TypedValue style = new TypedValue();
+        context.getTheme().resolveAttribute(R.style.TextAppearance_AppCompat_Small, style, true);
+
+        List<Contributor> contributors = Contributor.loadContributors(context);
+        for (Contributor contributor : contributors) {
+            TextView tv = new TextView(context);
+            TextViewCompat.setTextAppearance(tv, style.data);
+            tv.setText(contributor.toString());
+            llContributors.addView(tv);
+        }
+
         return view;
     }
 

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

@@ -152,7 +152,6 @@ public class Helper {
     static final String XDA_URI = "https://forum.xda-developers.com/showthread.php?t=3824168";
     static final String SUPPORT_URI = "https://contact.faircode.eu/?product=fairemailsupport";
     static final String TEST_URI = "https://play.google.com/apps/testing/" + BuildConfig.APPLICATION_ID;
-    static final String CROWDIN_URI = "https://crowdin.com/project/open-source-email";
     static final String GRAVATAR_PRIVACY_URI = "https://meta.stackexchange.com/questions/44717/is-gravatar-a-privacy-risk";
     static final String LICENSE_URI = "https://www.gnu.org/licenses/gpl-3.0.html";
 

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

@@ -62,6 +62,26 @@
                 android:layout_height="wrap_content"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent" />
+
+            <eu.faircode.email.FixedTextView
+                android:id="@+id/tvContributors"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="24dp"
+                android:text="@string/title_contributors"
+                android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                android:textStyle="bold"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@id/inEula" />
+
+            <LinearLayout
+                android:id="@+id/llContributors"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="12dp"
+                android:orientation="vertical"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toBottomOf="@+id/tvContributors" />
         </androidx.constraintlayout.widget.ConstraintLayout>
     </eu.faircode.email.ScrollViewEx>
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -133,6 +133,7 @@
     <string name="title_welcome">Welcome</string>
     <string name="title_eula">End-user license agreement</string>
     <string name="title_gplv3" translatable="false">GNU General Public License - Version 3</string>
+    <string name="title_contributors">Contributors</string>
     <string name="title_agree">I agree</string>
     <string name="title_disagree">I disagree</string>
 

app/src/main/res/xml/contributors.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<contributors>
+    <contributor
+        name="Marcel Bokhorst"
+        alias="M66B"
+        contribution="Dutch" />
+    <contributor
+        name="Zidan Pragata"
+        alias="zidanpragata"
+        contribution="Indonesian" />
+</contributors>