Added "About" page on 'Settings' (#6)

* Added "About" page on 'Settings'

* configure @string/app_slogan

* auto retrieve version

* Update links in about screen

---------

Co-authored-by: Helium314 <helium314@mailbox.org>

app/src/main/java/org/dslul/openboard/inputmethod/latin/settings/AboutFragment.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+ package org.dslul.openboard.inputmethod.latin.settings;
+
+ import android.os.Bundle;
+ import android.preference.Preference;
+ 
+ import org.dslul.openboard.inputmethod.latin.BuildConfig;
+ import org.dslul.openboard.inputmethod.latin.R;
+ 
+ /**
+  * "About" sub screen.
+  */
+ public final class AboutFragment extends SubScreenFragment {
+     @Override
+     public void onCreate(final Bundle icicle) {
+         super.onCreate(icicle);
+         addPreferencesFromResource(R.xml.prefs_screen_about);
+         Preference versionPreference = findPreference("pref_key_version");
+         versionPreference.setSummary(BuildConfig.VERSION_NAME);
+     }
+ }

app/src/main/java/org/dslul/openboard/inputmethod/latin/utils/FragmentUtils.java

@@ -24,6 +24,7 @@ import org.dslul.openboard.inputmethod.latin.settings.DebugSettingsFragment;
 import org.dslul.openboard.inputmethod.latin.settings.GestureSettingsFragment;
 import org.dslul.openboard.inputmethod.latin.settings.PreferencesSettingsFragment;
 import org.dslul.openboard.inputmethod.latin.settings.SettingsFragment;
+import org.dslul.openboard.inputmethod.latin.settings.AboutFragment;
 import org.dslul.openboard.inputmethod.latin.spellcheck.SpellCheckerSettingsFragment;
 import org.dslul.openboard.inputmethod.latin.userdictionary.UserDictionaryAddWordFragment;
 import org.dslul.openboard.inputmethod.latin.userdictionary.UserDictionaryList;
@@ -43,6 +44,7 @@ public class FragmentUtils {
         sLatinImeFragments.add(AdvancedSettingsFragment.class.getName());
         sLatinImeFragments.add(DebugSettingsFragment.class.getName());
         sLatinImeFragments.add(SettingsFragment.class.getName());
+        sLatinImeFragments.add(AboutFragment.class.getName());
         sLatinImeFragments.add(SpellCheckerSettingsFragment.class.getName());
         sLatinImeFragments.add(UserDictionaryAddWordFragment.class.getName());
         sLatinImeFragments.add(UserDictionaryList.class.getName());

app/src/main/res/drawable-v21/ic_settings_about.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+   android:inset="@dimen/settings_screen_icon_inset">
+    <bitmap android:src="@drawable/ic_settings_about_white"
+        android:tint="?android:colorForeground"/>
+</inset>

app/src/main/res/drawable/ic_settings_about.xml

@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="utf-8"?>
+<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
+    android:src="@drawable/ic_settings_about_white"/>

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

@@ -231,4 +231,9 @@
     <string name="subtype_with_layout_bn_BD"><xliff:g id="LANGUAGE_NAME" example="Bangla">%s</xliff:g> (অক্ষর)</string>
     <string name="autospace_after_punctuation">যতিচিহ্নের পরে স্বয়ংক্রিয় স্পেস</string>
     <string name="autospace_after_punctuation_summary">নতুন শব্দ লেখার সময় যতিচিহ্নের পরে স্বয়ংক্রিয়ভাবে স্পেস বসবে</string>
+    <string name="settings_screen_about">সম্পর্কে</string>
+    <string name="version">সংস্করণ</string>
+    <string name="about_github_link" >গিটহাবে দেখুন</string>
+    <string name="license" >ওপেন-সোর্স লাইসেন্স</string>
+    <string name="gnu_gpl" >জিএনইউ জেনারেল পাবলিক লাইসেন্স v3.0</string>
 </resources>

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

@@ -662,4 +662,16 @@ disposition rather than other common dispositions for Latin languages. [CHAR LIM
     <string name="select_color_key_background">Key background</string>
     <!-- Selection: accent color. -->
     <string name="select_color_accent">Accent</string>
+    <!-- Settings screen title for about [CHAR LIMIT=33]-->
+    <string name="settings_screen_about">About</string>
+    <!-- version for about screen-->
+    <string name="version">Version</string>
+    <!-- github repo link for about screen-->
+    <string name="about_github_link" >View on GitHub</string>
+    <!-- license for about screen-->
+    <string name="license" >Open-source license</string>
+    <!-- license link for about screen-->
+    <string name="gnu_gpl" >GNU General Public License v3.0</string>
+    <!-- App slogan-->
+    <string name="app_slogan" >100% FOSS keyboard, based on AOSP.</string>
 </resources>

app/src/main/res/xml/prefs.xml

@@ -46,4 +46,9 @@
         android:title="@string/settings_screen_advanced"
         android:key="screen_advanced"
         android:icon="@drawable/ic_settings_advanced"/>
+    <PreferenceScreen
+        android:fragment="org.dslul.openboard.inputmethod.latin.settings.AboutFragment"
+        android:title="@string/settings_screen_about"
+        android:key="screen_about"
+        android:icon="@drawable/ic_settings_about"/>
 </PreferenceScreen>

app/src/main/res/xml/prefs_screen_about.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    android:title="@string/settings_screen_about"
+    android:key="@string/settings_screen_about">
+    <Preference
+        android:icon="@mipmap/ic_launcher"
+        android:title="@string/english_ime_name"
+        android:summary="@string/app_slogan"/>
+    <Preference
+        android:title="@string/version"
+        android:summary="@string/version_text"
+        android:key="pref_key_version" />
+    <Preference android:title="@string/license"
+        android:summary="@string/gnu_gpl">
+        <intent android:action="android.intent.action.VIEW"
+            android:data="https://github.com/Helium314/openboard/blob/master/LICENSE" />
+    </Preference>
+    <Preference android:title="@string/about_github_link">
+        <intent android:action="android.intent.action.VIEW"
+            android:data="https://github.com/Helium314/openboard" />
+    </Preference>
+</PreferenceScreen>