Change package ID of gsantner/opoc

app/src/main/java/com/github/dfa/diaspora_android/App.java

@@ -34,7 +34,7 @@ import com.github.dfa.diaspora_android.util.AppLog;
 import com.github.dfa.diaspora_android.util.AppSettings;
 import com.github.dfa.diaspora_android.util.DiasporaUrlHelper;
 
-import io.github.gsantner.opoc.util.AdBlock;
+import net.gsantner.opoc.util.AdBlock;
 
 public class App extends Application {
     private volatile static App app;

app/src/main/java/com/github/dfa/diaspora_android/activity/AboutActivity.java

@@ -52,7 +52,7 @@ import com.github.dfa.diaspora_android.ui.theme.ThemedActivity;
 import com.github.dfa.diaspora_android.ui.theme.ThemedFragment;
 import com.github.dfa.diaspora_android.util.AppLog;
 import com.github.dfa.diaspora_android.util.AppSettings;
-import com.github.dfa.diaspora_android.util.Helpers;
+import com.github.dfa.diaspora_android.util.ContextUtils;
 
 import java.util.Observable;
 import java.util.Observer;
@@ -212,13 +212,13 @@ public class AboutActivity extends ThemedActivity
         public void buttonClicked(View view) {
             switch (view.getId()) {
                 case R.id.fragment_about__contribute_button:
-                    Helpers.get().openWebpageInExternalBrowser(getString(R.string.fragment_about__contribute_link));
+                    ContextUtils.get().openWebpageInExternalBrowser(getString(R.string.fragment_about__contribute_link));
                     break;
                 case R.id.fragment_about__translate_button:
-                    Helpers.get().openWebpageInExternalBrowser(getString(R.string.fragment_about__translate_link));
+                    ContextUtils.get().openWebpageInExternalBrowser(getString(R.string.fragment_about__translate_link));
                     break;
                 case R.id.fragment_about__feedback_button:
-                    Helpers.get().openWebpageInExternalBrowser(getString(R.string.fragment_About__feedback_link));
+                    ContextUtils.get().openWebpageInExternalBrowser(getString(R.string.fragment_About__feedback_link));
                     break;
                 case R.id.fragment_about__spread_the_word_button:
                     Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
@@ -263,14 +263,14 @@ public class AboutActivity extends ThemedActivity
             View rootView = inflater.inflate(R.layout.about__fragment_license, container, false);
             ButterKnife.bind(this, rootView);
             final Context context = rootView.getContext();
-            accentColor = Helpers.get().colorToHexString(ThemeHelper.getAccentColor());
+            accentColor = ContextUtils.get().colorToHexString(ThemeHelper.getAccentColor());
 
             maintainers.setTextFormatted(getString(R.string.fragment_license__maintainers_text,
-                    Helpers.get().loadMarkdownForTextViewFromRaw(R.raw.maintainers, "")));
+                    ContextUtils.get().loadMarkdownForTextViewFromRaw(R.raw.maintainers, "")));
             contributors.setTextFormatted(getString(R.string.fragment_license__contributors_thank_you,
-                    Helpers.get().loadMarkdownForTextViewFromRaw(R.raw.contributors, "")));
+                    ContextUtils.get().loadMarkdownForTextViewFromRaw(R.raw.contributors, "")));
             thirdPartyLibs.setTextFormatted(
-                    Helpers.get().loadMarkdownForTextViewFromRaw(R.raw.license_third_party, ""));
+                    ContextUtils.get().loadMarkdownForTextViewFromRaw(R.raw.license_third_party, ""));
             return rootView;
         }
 
@@ -278,10 +278,10 @@ public class AboutActivity extends ThemedActivity
         public void buttonClicked(View v) {
             switch (v.getId()) {
                 case R.id.fragment_license__leafpic_button:
-                    Helpers.get().openWebpageInExternalBrowser(getString(R.string.fragment_licesen__misc_leafpic_link));
+                    ContextUtils.get().openWebpageInExternalBrowser(getString(R.string.fragment_licesen__misc_leafpic_link));
                     break;
                 case R.id.fragment_license__license_button:
-                    Helpers.get().openWebpageInExternalBrowser(getString(R.string.fragment_license__license_gpl_link));
+                    ContextUtils.get().openWebpageInExternalBrowser(getString(R.string.fragment_license__license_gpl_link));
                     break;
             }
         }

app/src/main/java/com/github/dfa/diaspora_android/activity/AspectListFragment.java

@@ -41,7 +41,7 @@ import com.github.dfa.diaspora_android.ui.theme.ThemedFragment;
 import com.github.dfa.diaspora_android.util.AppLog;
 import com.github.dfa.diaspora_android.util.AppSettings;
 import com.github.dfa.diaspora_android.util.DiasporaUrlHelper;
-import com.github.dfa.diaspora_android.util.Helpers;
+import com.github.dfa.diaspora_android.util.ContextUtils;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -174,7 +174,7 @@ public class AspectListFragment extends ThemedFragment implements OnSomethingCli
             final DiasporaAspect aspect = aspectList[position];
             holder.title.setText(aspect.name);
             if (position % 2 == 1) {
-                holder.root.setBackgroundColor(isAmoledColorMode ? Color.BLACK : Helpers.get().color(R.color.alternate_row_color));
+                holder.root.setBackgroundColor(isAmoledColorMode ? Color.BLACK : ContextUtils.get().color(R.color.alternate_row_color));
                 holder.title.setTextColor(isAmoledColorMode ? Color.GRAY : Color.BLACK);
             } else {
                 holder.root.setBackgroundColor(isAmoledColorMode ? Color.BLACK : Color.WHITE);

app/src/main/java/com/github/dfa/diaspora_android/activity/DiasporaStreamFragment.java

@@ -45,7 +45,7 @@ import com.github.dfa.diaspora_android.data.DiasporaUserProfile;
 import com.github.dfa.diaspora_android.ui.theme.ThemedAlertDialogBuilder;
 import com.github.dfa.diaspora_android.util.AppLog;
 import com.github.dfa.diaspora_android.util.DiasporaUrlHelper;
-import com.github.dfa.diaspora_android.util.Helpers;
+import com.github.dfa.diaspora_android.util.ContextUtils;
 import com.github.dfa.diaspora_android.web.BrowserFragment;
 import com.github.dfa.diaspora_android.web.DiasporaStreamWebChromeClient;
 import com.github.dfa.diaspora_android.web.FileUploadWebChromeClient;
@@ -271,7 +271,7 @@ public class DiasporaStreamFragment extends BrowserFragment {
                 // Create the File where the photo should go
                 File photoFile;
                 try {
-                    photoFile = Helpers.get().createImageFile();
+                    photoFile = ContextUtils.get().createImageFile();
                     takePictureIntent.putExtra("PhotoPath", mCameraPhotoPath);
                 } catch (IOException ex) {
                     AppLog.e(this, "ERROR creating temp file: " + ex.toString());

app/src/main/java/com/github/dfa/diaspora_android/activity/MainActivity.java

@@ -78,7 +78,7 @@ import com.github.dfa.diaspora_android.ui.theme.ThemedAlertDialogBuilder;
 import com.github.dfa.diaspora_android.util.AppLog;
 import com.github.dfa.diaspora_android.util.AppSettings;
 import com.github.dfa.diaspora_android.util.DiasporaUrlHelper;
-import com.github.dfa.diaspora_android.util.HelpersA;
+import com.github.dfa.diaspora_android.util.ActivityUtils;
 import com.github.dfa.diaspora_android.web.BrowserFragment;
 import com.github.dfa.diaspora_android.web.ContextMenuWebView;
 import com.github.dfa.diaspora_android.web.ProxyHandler;
@@ -90,7 +90,7 @@ import java.io.IOException;
 import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
-import io.github.gsantner.opoc.util.SimpleMarkdownParser;
+import net.gsantner.opoc.util.SimpleMarkdownParser;
 
 public class MainActivity extends ThemedActivity
         implements NavigationView.OnNavigationItemSelectedListener,
@@ -230,12 +230,12 @@ public class MainActivity extends ThemedActivity
                         + "<h1>" + getString(R.string.fragment_license__thirdparty_libs) + "</h1>"
                         + mdParser.parse(getResources().openRawResource(R.raw.license_third_party), "");
                 html = mdParser.setHtml(html).removeMultiNewlines().getHtml();
-                HelpersA.get(this).showDialogWithHtmlTextView(R.string.about_activity__title_about_license, html);
+                ActivityUtils.get(this).showDialogWithHtmlTextView(R.string.about_activity__title_about_license, html);
                 appSettings.isAppCurrentVersionFirstStart();
             } else if (appSettings.isAppCurrentVersionFirstStart()) {
                 SimpleMarkdownParser smp = new SimpleMarkdownParser().parse(
                         getResources().openRawResource(R.raw.changelog), "");
-                HelpersA.get(this).showDialogWithHtmlTextView(R.string.changelog, smp.getHtml());
+                ActivityUtils.get(this).showDialogWithHtmlTextView(R.string.changelog, smp.getHtml());
             }
         } catch (IOException e) {
             e.printStackTrace();

app/src/main/java/com/github/dfa/diaspora_android/activity/PodSelectionFragment.java

@@ -55,8 +55,8 @@ import com.github.dfa.diaspora_android.ui.theme.ThemedFragment;
 import com.github.dfa.diaspora_android.util.AppLog;
 import com.github.dfa.diaspora_android.util.AppSettings;
 import com.github.dfa.diaspora_android.util.DiasporaUrlHelper;
-import com.github.dfa.diaspora_android.util.Helpers;
+import com.github.dfa.diaspora_android.util.ContextUtils;
-import com.github.dfa.diaspora_android.util.HelpersA;
+import com.github.dfa.diaspora_android.util.ActivityUtils;
 
 import org.json.JSONException;
 import org.json.JSONObject;
@@ -129,11 +129,11 @@ public class PodSelectionFragment extends ThemedFragment implements SearchView.O
             }
         });
         LocalBroadcastManager.getInstance(getContext()).registerReceiver(podListReceiver, new IntentFilter(FetchPodsService.MESSAGE_PODS_RECEIVED));
-        HelpersA.get(getActivity()).showInfoIfUserNotConnectedToInternet(listViewPod);
+        ActivityUtils.get(getActivity()).showInfoIfUserNotConnectedToInternet(listViewPod);
     }
 
     public void mergePodlistWithRessources(DiasporaPodList podlist) {
-        String sPodlist = Helpers.get().readTextfileFromRawRes(R.raw.podlist, "", "");
+        String sPodlist = ContextUtils.get().readTextfileFromRawRes(R.raw.podlist, "", "");
         try {
             JSONObject jPodlist = new JSONObject(sPodlist);
             podlist.mergeWithNewerEntries(new DiasporaPodList().fromJson(jPodlist));
@@ -182,7 +182,7 @@ public class PodSelectionFragment extends ThemedFragment implements SearchView.O
             buttonUseCustomPod.setTextColor(Color.WHITE);
         } else {
             buttonUseCustomPod.setSupportBackgroundTintList(ColorStateList.valueOf(appSettings.getAccentColor()));
-            buttonUseCustomPod.setTextColor(Helpers.get().shouldColorOnTopBeLight(appSettings.getAccentColor()) ? Color.WHITE : Color.BLACK);
+            buttonUseCustomPod.setTextColor(ContextUtils.get().shouldColorOnTopBeLight(appSettings.getAccentColor()) ? Color.WHITE : Color.BLACK);
         }
     }
 
@@ -250,7 +250,7 @@ public class PodSelectionFragment extends ThemedFragment implements SearchView.O
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case R.id.action_reload: {
-                if (!HelpersA.get(getActivity()).showInfoIfUserNotConnectedToInternet(listViewPod)) {
+                if (!ActivityUtils.get(getActivity()).showInfoIfUserNotConnectedToInternet(listViewPod)) {
                     Intent i = new Intent(getContext(), FetchPodsService.class);
                     getContext().startService(i);
                     return true;

app/src/main/java/com/github/dfa/diaspora_android/activity/TagListFragment.java

@@ -40,7 +40,7 @@ import com.github.dfa.diaspora_android.ui.theme.ThemedFragment;
 import com.github.dfa.diaspora_android.util.AppLog;
 import com.github.dfa.diaspora_android.util.AppSettings;
 import com.github.dfa.diaspora_android.util.DiasporaUrlHelper;
-import com.github.dfa.diaspora_android.util.Helpers;
+import com.github.dfa.diaspora_android.util.ContextUtils;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -173,7 +173,7 @@ public class TagListFragment extends ThemedFragment implements OnSomethingClickL
             final String tag = followedTagsList[position];
             holder.title.setText(tag);
             if (position % 2 == 1) {
-                holder.root.setBackgroundColor(isAmoledColorMode ? Color.BLACK : Helpers.get().color(R.color.alternate_row_color));
+                holder.root.setBackgroundColor(isAmoledColorMode ? Color.BLACK : ContextUtils.get().color(R.color.alternate_row_color));
                 holder.title.setTextColor(isAmoledColorMode ? Color.GRAY : Color.BLACK);
             } else {
                 holder.root.setBackgroundColor(isAmoledColorMode ? Color.BLACK : Color.WHITE);

app/src/main/java/com/github/dfa/diaspora_android/ui/BadgeDrawable.java

@@ -32,7 +32,7 @@ import android.support.annotation.NonNull;
 
 import com.github.dfa.diaspora_android.R;
 import com.github.dfa.diaspora_android.util.AppSettings;
-import com.github.dfa.diaspora_android.util.Helpers;
+import com.github.dfa.diaspora_android.util.ContextUtils;
 
 @SuppressWarnings("WeakerAccess")
 public class BadgeDrawable extends Drawable {
@@ -56,7 +56,7 @@ public class BadgeDrawable extends Drawable {
         _badgeBackground.setStyle(Paint.Style.FILL);
 
         _badgeText = new Paint();
-        _badgeText.setColor(Helpers.get().shouldColorOnTopBeLight(settings.getAccentColor()) ? Color.WHITE : Color.BLACK);
+        _badgeText.setColor(ContextUtils.get().shouldColorOnTopBeLight(settings.getAccentColor()) ? Color.WHITE : Color.BLACK);
         _badgeText.setTypeface(Typeface.DEFAULT);
         _badgeText.setTextSize(textSize);
         _badgeText.setAntiAlias(true);
@@ -71,7 +71,7 @@ public class BadgeDrawable extends Drawable {
         Rect bounds = getBounds();
         float width = bounds.right - bounds.left;
         float height = bounds.bottom - bounds.top;
-        float oneDp = Helpers.get().dp2px(1);
+        float oneDp = ContextUtils.get().dp2px(1);
 
         // Position the badge in the top-right quadrant of the icon.
         float radius = ((Math.max(width, height) / 2)) / 2;

app/src/main/java/com/github/dfa/diaspora_android/ui/theme/ThemedActivity.java

@@ -29,7 +29,7 @@ import android.support.v7.app.AppCompatActivity;
 import com.github.dfa.diaspora_android.App;
 import com.github.dfa.diaspora_android.R;
 import com.github.dfa.diaspora_android.util.AppSettings;
-import com.github.dfa.diaspora_android.util.Helpers;
+import com.github.dfa.diaspora_android.util.ContextUtils;
 
 import java.util.Locale;
 
@@ -99,7 +99,7 @@ public abstract class ThemedActivity extends AppCompatActivity {
 
     public void updateLanguage() {
         AppSettings appSettings = getAppSettings();
-        Locale locale = Helpers.get().getLocaleByAndroidCode(appSettings.getLanguage());
+        Locale locale = ContextUtils.get().getLocaleByAndroidCode(appSettings.getLanguage());
         Configuration config = appSettings.getContext().getResources().getConfiguration();
         config.locale = locale != null ? locale : Locale.getDefault();
         appSettings.getContext().getResources().updateConfiguration(config, null);

app/src/main/java/com/github/dfa/diaspora_android/ui/theme/ThemedColorPickerPreference.java

@@ -10,7 +10,7 @@ import android.widget.ImageView;
 
 import com.github.dfa.diaspora_android.R;
 import com.github.dfa.diaspora_android.util.AppSettings;
-import com.github.dfa.diaspora_android.util.Helpers;
+import com.github.dfa.diaspora_android.util.ContextUtils;
 
 /**
  * Preference that shows selected Color in a circle
@@ -50,7 +50,7 @@ public class ThemedColorPickerPreference extends Preference implements Themeable
             AppSettings appSettings = AppSettings.get();
             String key = getKey();
 
-            int color = Helpers.get().color(R.color.primary);
+            int color = ContextUtils.get().color(R.color.primary);
             if ((appSettings.isKeyEqual(key, R.string.pref_key__primary_color_shade))) {
                 color = appSettings.getPrimaryColor();
             } else if ((appSettings.isKeyEqual(key, R.string.pref_key__accent_color_shade))) {

app/src/main/java/com/github/dfa/diaspora_android/util/ActivityUtils.java

@@ -16,21 +16,21 @@ import java.util.Date;
 import java.util.Locale;
 
 @SuppressWarnings({"WeakerAccess", "unused", "SameParameterValue"})
-public class HelpersA extends io.github.gsantner.opoc.util.HelpersA {
+public class ActivityUtils extends net.gsantner.opoc.util.ActivityUtils {
-    protected HelpersA(Activity activity) {
+    protected ActivityUtils(Activity activity) {
         super(activity);
     }
 
 
-    public static HelpersA get(Activity activity) {
+    public static ActivityUtils get(Activity activity) {
-        return new HelpersA(activity);
+        return new ActivityUtils(activity);
     }
 
     public File createImageFile() throws IOException {
         // Create an image file name
         String timeStamp = new SimpleDateFormat("dd-MM-yy_HH-mm", Locale.getDefault()).format(new Date());
         String imageFileName = "JPEG_" + timeStamp + "_";
-        AppLog.d(HelpersA.class, Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath());
+        AppLog.d(ActivityUtils.class, Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath());
         File storageDir = Environment.getExternalStoragePublicDirectory(
                 Environment.DIRECTORY_PICTURES);
         return new File(

app/src/main/java/com/github/dfa/diaspora_android/util/AppSettings.java

@@ -31,7 +31,7 @@ import org.json.JSONObject;
 
 import java.util.List;
 
-import io.github.gsantner.opoc.util.AppSettingsBase;
+import net.gsantner.opoc.util.AppSettingsBase;
 
 /**
  * Settings

app/src/main/java/com/github/dfa/diaspora_android/util/ContextUtils.java

@@ -14,21 +14,21 @@ import java.util.Date;
 import java.util.Locale;
 
 @SuppressWarnings({"WeakerAccess", "unused", "SameParameterValue"})
-public class Helpers extends io.github.gsantner.opoc.util.Helpers {
+public class ContextUtils extends net.gsantner.opoc.util.ContextUtils {
-    protected Helpers(Context context) {
+    protected ContextUtils(Context context) {
         super(context);
     }
 
 
-    public static Helpers get() {
+    public static ContextUtils get() {
-        return new Helpers(App.get());
+        return new ContextUtils(App.get());
     }
 
     public File createImageFile() throws IOException {
         // Create an image file name
         String timeStamp = new SimpleDateFormat("dd-MM-yy_HH-mm", Locale.getDefault()).format(new Date());
         String imageFileName = "JPEG_" + timeStamp + "_";
-        AppLog.d(Helpers.class, Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath());
+        AppLog.d(ContextUtils.class, Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getAbsolutePath());
         File storageDir = Environment.getExternalStoragePublicDirectory(
                 Environment.DIRECTORY_PICTURES);
         return new File(

app/src/main/java/com/github/dfa/diaspora_android/web/CustomWebViewClient.java

@@ -32,7 +32,7 @@ import com.github.dfa.diaspora_android.activity.MainActivity;
 import com.github.dfa.diaspora_android.data.DiasporaPodList;
 import com.github.dfa.diaspora_android.util.AppSettings;
 
-import io.github.gsantner.opoc.util.AdBlock;
+import net.gsantner.opoc.util.AdBlock;
 
 public class CustomWebViewClient extends WebViewClient {
     private final App app;

app/src/main/java/net/gsantner/opoc/ui/LanguagePreference.java

@@ -0,0 +1,149 @@
+/*
+ * ------------------------------------------------------------------------------
+ * Gregor Santner <gsantner.github.io> wrote this. You can do whatever you want
+ * with it. If we meet some day, and you think it is worth it, you can buy me a
+ * coke in return. Provided as is without any kind of warranty. Do not blame or
+ * sue me if something goes wrong. No attribution required.    - Gregor Santner
+ *
+ * License: Creative Commons Zero (CC0 1.0)
+ *  http://creativecommons.org/publicdomain/zero/1.0/
+ * ----------------------------------------------------------------------------
+ */
+
+/*
+ * A ListPreference that displays a list of available languages
+ * Requires:
+ *     The BuildConfig field "APPLICATION_LANGUAGES" which is a array of all available languages
+ *     opoc/ContextUtils
+ * BuildConfig field can be defined by using the method below
+
+buildConfigField("String[]", "APPLICATION_LANGUAGES", '{' + getUsedAndroidLanguages().collect {"\"${it}\""}.join(",")  + '}')
+
+@SuppressWarnings(["UnnecessaryQualifiedReference", "SpellCheckingInspection"])
+static String[] getUsedAndroidLanguages() {
+    Set<String> langs = new HashSet<>()
+    new File('.').eachFileRecurse(groovy.io.FileType.DIRECTORIES) {
+        final foldername = it.name
+        if (foldername.startsWith('values-') && !it.canonicalPath.contains("build" + File.separator + "intermediates")) {
+            new File(it.toString()).eachFileRecurse(groovy.io.FileType.FILES) {
+                if (it.name.toLowerCase().endsWith(".xml") && it.getCanonicalFile().getText('UTF-8').contains("<string")) {
+                    langs.add(foldername.replace("values-", ""))
+
+                }
+            }
+        }
+    }
+    return langs.toArray(new String[langs.size()])
+}
+
+ * Summary: Change language of this app. Restart app for changes to take effect
+
+ * Define element in Preferences-XML:
+    <!--suppress AndroidDomInspection -->
+    <net.gsantner.opoc.ui.LanguagePreference
+        android:icon="@drawable/ic_language_black_24dp"
+        android:defaultValue=""
+        android:key="@string/pref_key__language"
+        android:summary="@string/pref_desc__language"
+        android:title="@string/pref_title__language"/>
+ */
+package net.gsantner.opoc.ui;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.os.Build;
+import android.preference.ListPreference;
+import android.util.AttributeSet;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Locale;
+
+import net.gsantner.opoc.util.ContextUtils;
+
+/**
+ * A {@link android.preference.ListPreference} that displays a list of languages to select from
+ */
+@SuppressWarnings({"unused", "SpellCheckingInspection"})
+public class LanguagePreference extends ListPreference {
+    public LanguagePreference(Context context) {
+        super(context);
+        init(context, null);
+    }
+
+    public LanguagePreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context, attrs);
+    }
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    public LanguagePreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init(context, attrs);
+    }
+
+    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
+    public LanguagePreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        init(context, attrs);
+    }
+
+    @Override
+    protected boolean callChangeListener(Object newValue) {
+        if (newValue instanceof String) {
+            // Does not apply to existing UI, use recreate()
+            new ContextUtils(getContext()).setAppLanguage((String) newValue);
+        }
+        return super.callChangeListener(newValue);
+    }
+
+    private void init(Context context, AttributeSet attrs) {
+        // Fetch readable details
+        ContextUtils ContextUtils = new ContextUtils(context);
+        List<String> languages = new ArrayList<>();
+        Object bcof = ContextUtils.getBuildConfigValue("APPLICATION_LANGUAGES");
+        if (bcof instanceof String[]) {
+            for (String langId : (String[]) bcof) {
+                Locale locale = ContextUtils.getLocaleByAndroidCode(langId);
+                languages.add(summarizeLocale(locale) + ";" + langId);
+            }
+        }
+
+        // Sort languages naturally
+        Collections.sort(languages);
+
+        // Show in UI
+        String[] entries = new String[languages.size() + 2];
+        String[] entryval = new String[languages.size() + 2];
+        for (int i = 0; i < languages.size(); i++) {
+            entries[i + 2] = languages.get(i).split(";")[0];
+            entryval[i + 2] = languages.get(i).split(";")[1];
+        }
+        entries[0] = "System";
+        entryval[0] = "";
+        entries[1] = "English";
+        entryval[1] = "en";
+
+        setEntries(entries);
+        setEntryValues(entryval);
+    }
+
+    // Concat english and localized language name
+    // Append country if country specific (e.g. Portuguese Brazil)
+    private String summarizeLocale(Locale locale) {
+        String country = locale.getDisplayCountry(locale);
+        String language = locale.getDisplayLanguage(locale);
+        return locale.getDisplayLanguage(Locale.ENGLISH)
+                + " (" + language.substring(0, 1).toUpperCase() + language.substring(1)
+                + ((!country.isEmpty() && !country.toLowerCase().equals(language.toLowerCase())) ? (", " + country) : "")
+                + ")";
+    }
+
+    // Add current language to summary
+    @Override
+    public CharSequence getSummary() {
+        Locale locale = new ContextUtils(getContext()).getLocaleByAndroidCode(getValue());
+        return super.getSummary() + "\n\n" + summarizeLocale(locale);
+    }
+}

app/src/main/java/net/gsantner/opoc/util/ActivityUtils.java

@@ -9,7 +9,7 @@
  *  http://creativecommons.org/publicdomain/zero/1.0/
  * ----------------------------------------------------------------------------
  */
-package io.github.gsantner.opoc.util;
+package net.gsantner.opoc.util;
 
 import android.app.Activity;
 import android.content.DialogInterface;
@@ -22,17 +22,18 @@ import android.text.Html;
 import android.text.SpannableString;
 import android.text.method.LinkMovementMethod;
 import android.util.TypedValue;
+import android.view.WindowManager;
 import android.view.inputmethod.InputMethodManager;
 
 
 @SuppressWarnings({"WeakerAccess", "unused", "SameParameterValue", "SpellCheckingInspection"})
-public class HelpersA extends Helpers {
+public class ActivityUtils extends net.gsantner.opoc.util.ContextUtils {
     //########################
     //## Members, Constructors
     //########################
     protected Activity _activity;
 
-    public HelpersA(final Activity activity) {
+    public ActivityUtils(final Activity activity) {
         super(activity);
         _activity = activity;
     }
@@ -106,4 +107,18 @@ public class HelpersA extends Helpers {
                 .setView(textView);
         dialog.show();
     }
+
+    // Toggle with no param, else set visibility according to first bool
+    public void toggleStatusbarVisibility(boolean... optionalForceVisible) {
+        WindowManager.LayoutParams attrs = _activity.getWindow().getAttributes();
+        int flag = WindowManager.LayoutParams.FLAG_FULLSCREEN;
+        if (optionalForceVisible.length == 0) {
+            attrs.flags ^= flag;
+        } else if (optionalForceVisible.length == 1 && optionalForceVisible[0]) {
+            attrs.flags &= ~flag;
+        } else {
+            attrs.flags |= flag;
+        }
+        _activity.getWindow().setAttributes(attrs);
+    }
 }

app/src/main/java/net/gsantner/opoc/util/AdBlock.java

@@ -24,7 +24,7 @@ public WebResourceResponse shouldInterceptRequest(WebView view, String url) {
             : super.shouldInterceptRequest(view, url);
 }
 */
-package io.github.gsantner.opoc.util;
+package net.gsantner.opoc.util;
 
 import android.content.Context;
 import android.util.Log;
@@ -47,7 +47,7 @@ import java.util.Set;
 /**
  * Simple Host-Based AdBlocker
  */
-@SuppressWarnings({"WeakerAccess", "SpellCheckingInspection"})
+@SuppressWarnings({"WeakerAccess", "SpellCheckingInspection", "unused"})
 public class AdBlock {
     private static final AdBlock instance = new AdBlock();
 
@@ -60,9 +60,9 @@ public class AdBlock {
     //##     Members
     //##
     //########################
-    private final Set<String> adblockHostsFromRaw = new HashSet<>();
+    private final Set<String> _adblockHostsFromRaw = new HashSet<>();
-    private final Set<String> adblockHosts = new HashSet<>();
+    private final Set<String> _adblockHosts = new HashSet<>();
-    private boolean isLoaded;
+    private boolean _isLoaded;
 
     //########################
     //##
@@ -80,7 +80,7 @@ public class AdBlock {
                 if (host.startsWith("www.") && host.length() >= 4) {
                     host = host.substring(4);
                 }
-                return adblockHosts.contains(host) || adblockHosts.contains("www." + host);
+                return _adblockHosts.contains(host) || _adblockHosts.contains("www." + host);
             } catch (URISyntaxException e) {
                 e.printStackTrace();
             }
@@ -90,11 +90,15 @@ public class AdBlock {
     }
 
     public AdBlock reset() {
-        adblockHosts.clear();
+        _adblockHosts.clear();
-        adblockHosts.addAll(adblockHostsFromRaw);
+        _adblockHosts.addAll(_adblockHostsFromRaw);
         return this;
     }
 
+    public boolean isLoaded() {
+        return _isLoaded;
+    }
+
     public static WebResourceResponse createEmptyResponse() {
         return new WebResourceResponse("text/plain", "utf-8", new ByteArrayInputStream("".getBytes()));
     }
@@ -107,7 +111,7 @@ public class AdBlock {
                     host = host.substring(4);
                 }
                 if (!host.startsWith("#") && !host.startsWith("\"")) {
-                    adblockHosts.add(host);
+                    _adblockHosts.add(host);
                 }
             }
         }
@@ -120,7 +124,7 @@ public class AdBlock {
             public void run() {
                 try {
                     loadHostsFromRawAssets(context);
-                    isLoaded = true;
+                    _isLoaded = true;
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
@@ -132,7 +136,7 @@ public class AdBlock {
         BufferedReader br = null;
         String host;
 
-        adblockHosts.clear();
+        _adblockHosts.clear();
         for (int rawId : getAdblockIdsInRaw()) {
             try {
                 br = new BufferedReader(new InputStreamReader(context.getResources().openRawResource(rawId)));
@@ -150,8 +154,8 @@ public class AdBlock {
                 }
             }
         }
-        adblockHostsFromRaw.clear();
+        _adblockHostsFromRaw.clear();
-        adblockHostsFromRaw.addAll(adblockHosts);
+        _adblockHostsFromRaw.addAll(_adblockHosts);
     }
 
     private List<Integer> getAdblockIdsInRaw() {

app/src/main/java/net/gsantner/opoc/util/AppSettingsBase.java

@@ -11,8 +11,6 @@
  */
 
 /*
- * Get updates:
- *  https://github.com/gsantner/onePieceOfCode/blob/master/java/AppSettingsBase.java
  * This is a wrapper for settings based on SharedPreferences
  * with keys in resources. Extend from this class and add
  * getters/setters for the app's settings.
@@ -44,7 +42,7 @@
     }
  */
 
-package io.github.gsantner.opoc.util;
+package net.gsantner.opoc.util;
 
 import android.annotation.SuppressLint;
 import android.content.Context;
@@ -73,9 +71,9 @@ public class AppSettingsBase {
     //########################
     //## Members, Constructors
     //########################
-    protected final Context _context;
     protected final SharedPreferences _prefApp;
     protected final String _prefAppName;
+    protected final Context _context;
 
     public AppSettingsBase(final Context context) {
         this(context, SHARED_PREF_APP);

app/src/main/java/net/gsantner/opoc/util/ContextUtils.java

@@ -9,7 +9,7 @@
  *  http://creativecommons.org/publicdomain/zero/1.0/
  * ----------------------------------------------------------------------------
  */
-package io.github.gsantner.opoc.util;
+package net.gsantner.opoc.util;
 
 import android.annotation.SuppressLint;
 import android.app.AlarmManager;
@@ -22,16 +22,26 @@ import android.content.pm.PackageManager;
 import android.content.res.ColorStateList;
 import android.content.res.Configuration;
 import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
 import android.graphics.Color;
+import android.graphics.Matrix;
+import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
+import android.graphics.drawable.VectorDrawable;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
 import android.net.Uri;
+import android.os.Build;
 import android.support.annotation.ColorRes;
 import android.support.annotation.DrawableRes;
+import android.support.annotation.Nullable;
 import android.support.annotation.RawRes;
 import android.support.annotation.StringRes;
+import android.support.graphics.drawable.VectorDrawableCompat;
 import android.support.v4.content.ContextCompat;
+import android.support.v4.graphics.drawable.DrawableCompat;
 import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.AppCompatButton;
 import android.text.Html;
@@ -40,22 +50,31 @@ import android.text.Spanned;
 import android.text.TextUtils;
 import android.text.method.LinkMovementMethod;
 import android.util.DisplayMetrics;
+import android.view.View;
+import android.view.inputmethod.InputMethodManager;
 import android.webkit.WebView;
+import android.widget.ImageView;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.util.Locale;
 
+import static android.graphics.Bitmap.CompressFormat;
+
 @SuppressWarnings({"WeakerAccess", "unused", "SameParameterValue", "SpellCheckingInspection", "deprecation"})
-public class Helpers {
+public class ContextUtils {
     //########################
     //## Members, Constructors
     //########################
     protected Context _context;
 
-    public Helpers(Context context) {
+    public ContextUtils(Context context) {
         _context = context;
     }
 
@@ -231,6 +250,14 @@ public class Helpers {
         return activeNetInfo != null && activeNetInfo.isConnectedOrConnecting();
     }
 
+    public boolean isConnectedToInternet(@Nullable @StringRes Integer warnMessageStringRes) {
+        final boolean result = isConnectedToInternet();
+        if (!result && warnMessageStringRes != null)
+            Toast.makeText(_context, _context.getString(warnMessageStringRes), Toast.LENGTH_SHORT).show();
+
+        return result;
+    }
+
     public void restartApp(Class classToStartupWith) {
         Intent restartIntent = new Intent(_context, classToStartupWith);
         PendingIntent restartIntentP = PendingIntent.getActivity(_context, 555,
@@ -317,4 +344,94 @@ public class Helpers {
     public float dp2px(final float dp) {
         return dp * _context.getResources().getDisplayMetrics().density;
     }
+
+    public void setViewVisible(View view, boolean visible) {
+        view.setVisibility(visible ? View.VISIBLE : View.GONE);
+    }
+
+    public static void setDrawableWithColorToImageView(ImageView imageView, @DrawableRes int drawableResId, @ColorRes int colorResId) {
+        imageView.setImageResource(drawableResId);
+        imageView.setColorFilter(ContextCompat.getColor(imageView.getContext(), colorResId));
+    }
+
+    public Bitmap drawableToBitmap(Drawable drawable) {
+        Bitmap bitmap = null;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && (drawable instanceof VectorDrawable || drawable instanceof VectorDrawableCompat)) {
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
+                drawable = (DrawableCompat.wrap(drawable)).mutate();
+            }
+
+            bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(),
+                    drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
+            Canvas canvas = new Canvas(bitmap);
+            drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
+            drawable.draw(canvas);
+        } else if (drawable instanceof BitmapDrawable) {
+            bitmap = ((BitmapDrawable) drawable).getBitmap();
+        }
+        return bitmap;
+    }
+
+    public Bitmap loadImageFromFilesystem(String imagePath, int maxDimen) {
+        BitmapFactory.Options options = new BitmapFactory.Options();
+        options.inJustDecodeBounds = true;
+        BitmapFactory.decodeFile(imagePath, options);
+        options.inSampleSize = calculateInSampleSize(options, maxDimen);
+        options.inJustDecodeBounds = false;
+        return BitmapFactory.decodeFile(imagePath, options);
+    }
+
+    /**
+     * Calculates the scaling factor so the bitmap is maximal as big as the maxDimen
+     *
+     * @param options  Bitmap-options that contain the current dimensions of the bitmap
+     * @param maxDimen Max size of the Bitmap (width or height)
+     * @return the scaling factor that needs to be applied to the bitmap
+     */
+    public int calculateInSampleSize(BitmapFactory.Options options, int maxDimen) {
+        // Raw height and width of image
+        int height = options.outHeight;
+        int width = options.outWidth;
+        int inSampleSize = 1;
+
+        if (Math.max(height, width) > maxDimen) {
+            inSampleSize = Math.round(1f * Math.max(height, width) / maxDimen);
+        }
+        return inSampleSize;
+    }
+
+    public Bitmap scaleBitmap(Bitmap bitmap, int maxDimen) {
+        int picSize = Math.min(bitmap.getHeight(), bitmap.getWidth());
+        float scale = 1.f * maxDimen / picSize;
+        Matrix matrix = new Matrix();
+        matrix.postScale(scale, scale);
+        return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
+    }
+
+    public File writeImageToFileJpeg(String path, String filename, Bitmap image) {
+        return writeImageToFile(path, filename, image, Bitmap.CompressFormat.JPEG, 95);
+    }
+
+    public File writeImageToFile(String path, String filename, Bitmap image, CompressFormat format, int quality) {
+        File imageFile = new File(path);
+        if (imageFile.exists() || imageFile.mkdirs()) {
+            imageFile = new File(path, filename);
+
+            FileOutputStream stream = null;
+            try {
+                stream = new FileOutputStream(imageFile); // overwrites this image every time
+                image.compress(format, quality, stream);
+                return imageFile;
+            } catch (FileNotFoundException ignored) {
+            } finally {
+                try {
+                    if (stream != null) {
+                        stream.close();
+                    }
+                } catch (IOException ignored) {
+                }
+            }
+        }
+        return null;
+    }
 }

app/src/main/java/net/gsantner/opoc/util/SimpleMarkdownParser.java

@@ -14,7 +14,7 @@
  * Get updates:
  *  https://github.com/gsantner/onePieceOfCode/blob/master/java/SimpleMarkdownParser.java
  * Apply to TextView:
- *   See https://github.com/gsantner/onePieceOfCode/blob/master/android/Helpers.get().java
+ *   See https://github.com/gsantner/onePieceOfCode/blob/master/android/ContextUtils.java
  * Parses most common markdown tags. Only inline tags are supported, multiline/block syntax
  * is not supported (citation, multiline code, ..). This is intended to stay as easy as possible.
  *
@@ -27,7 +27,7 @@
  * FILTER_WEB is intended to be used at engines understanding most common HTML tags.
  */
 
-package io.github.gsantner.opoc.util;
+package net.gsantner.opoc.util;
 
 import java.io.BufferedReader;
 import java.io.FileInputStream;
@@ -130,13 +130,13 @@ public class SimpleMarkdownParser {
     //########################
     //## Singleton
     //########################
-    private static SimpleMarkdownParser instance;
+    private static SimpleMarkdownParser __instance;
 
     public static SimpleMarkdownParser get() {
-        if (instance == null) {
+        if (__instance == null) {
-            instance = new SimpleMarkdownParser();
+            __instance = new SimpleMarkdownParser();
         }
-        return instance;
+        return __instance;
     }
 
     //########################
@@ -152,8 +152,8 @@ public class SimpleMarkdownParser {
     //########################
     //## Methods
     //########################
-    public SimpleMarkdownParser setDefaultSmpFilter(SmpFilter _defaultSmpFilter) {
+    public SimpleMarkdownParser setDefaultSmpFilter(SmpFilter defaultSmpFilter) {
-        this._defaultSmpFilter = _defaultSmpFilter;
+        _defaultSmpFilter = defaultSmpFilter;
         return this;
     }