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Aard 2 for Android

Aard 2 for Android is a successor to Aard Dictionary for Android. It comes with redesigned user interface, bookmarks, history and a better dictionary storage format.

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Features

Lookup

Lookup queries are punctuation, diacritics and case insensitive.

images/sm-lookup.png

Bookmarks and History

Visited articles are automatically added to history and appear in History tab. Articles can also be bookmarked (tap Bookmark icon when viewing article). Bookmarked articles appear in Bookmarks tab. Bookmarks and history can be filtered and sorted by time or article title. Both bookmarks and history are limited to a hundred of most recently used items. To remove bookmark or history record, long tap a list item to enter selection mode, tap items to be removed, tap Trash Can icon and confirm. A bookmark can also be removed by tapping Bookmark icon when viewing article.

images/sm-bookmarks.png images/sm-history.png

Dictionary Management

Dictionaries are added by selecting dictionary files using Android’s document chooser.

Note that application itself does not download dictionary files.

Opened dictionaries can be ordered by marking and unmarking them as “favorite” (tap dictionary title). Lookup results of equal match strength from multiple dictionaries are presented in the order of dictionaries in the dictionary list. Dictionaries can also be deactivated (turned off). Turned off dictionaries do not participate in word lookup or random article lookup, but are still available when opening articles from bookmarks, history or when following links in other articles. Unwanted dictionaries can also be completely removed from the program (but dictionary files are not deleted).

images/sm-dictionaries.png

Article Appearance

Dictionaries may include alternate style sheets. User may also add custom style sheets via Settings tab. Dictionary built-in and user styles appear in the “Style…” menu in article view.

images/sm-article_appearance_default.png images/sm-article_menu.png images/sm-article_appearance_select_style.png images/sm-article_appearance_dark.png

Math

Mathematical formulas in Wikipedia articles are rendered as text using MathJax - scalable, styleable, beautiful on any screen.

images/sm-article-integral.png images/sm-article-ru-ryad-taylora.png images/sm-article-ru-zam-predely.png

Random Article

Tapping application logo in main activity finds a random title in an active dictionary and opens corresponding articles. User may optionally limit random lookup to only use favorite dictionaries.

Volume Buttons Navigation

When viewing articles, volume up/down buttons scroll article content or, if at the bottom (top) of the page, move to the next (previous) article. Long press scrolls all the way to the bottom (top). In main view volume buttons cycle through tabs. This behavior can be disabled in settings.

Fullscreen Mode

Articles can be viewed in fullscreen mode. Pull down the top edge to exit fullscreen mode.

Clipboard Auto-Paste

Text from clipboard can be automatically pasted into lookup field (unless it contains a Web address, email or phone number). This behavior is off by default and can be enabled in settings.

External Link Sharing

Some dictionaries (such as Mediawiki based ones - Wikipedia, Wiktionary etc.) contain external links. Long tap on the link to share it without opening in a browser first.

Requested Permissions

android.permission.INTERNET

Aard 2 uses local embedded web server to provide article content. This permission is necessary to run the server.

Also, articles may reference remote content such as images. This permission is necessary to load it.

android.permission.ACCESS_NETWORK_STATE

User chooses when to allow loading remote content: always, when on Wi-Fi or never. This permission is necessary to determine network connection state.

Developing

Aard 2 is built with Gradle.

Aard 2 depends on projects slobj and slobber.

Get the source code:

mkdir aard2
cd aard2
git clone https://github.com/itkach/slobj.git
git clone https://github.com/itkach/slobber.git
git clone https://github.com/itkach/aard2-android.git

Open Android Studio, go to File, Open…, select aard2-android directory and click Open.

To build the APK on the command line:

cd aard2-android
./gradlew build

To install the APK:

adb install -r build/outputs/apk/aard2-android-debug.apk

Launching from Other Applications

Aard 2 lookup can be initiated from other applications, either through standard Share action or directly, if application implemented an action to start Aard 2 with lookup intent.

Applications can launch Aard 2 lookup by starting activity with intent aard2.lookup with text to look up passed as an extra string parameter SearchManager.QUERY. For example:

Intent intent = new Intent("aard2.lookup");
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.putExtra(SearchManager.QUERY, "Foo Bar");
startActivity(intent);

Same thing from a command line using adb:

adb shell am start -a aard2.lookup -f 335544320 -e query "Foo Bar"