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feat: implemented language picker in app settings, dynamically populating the list of available languages programmatically.

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This commit is contained in:
antonio 2023-08-17 14:09:17 +02:00
parent a29cee488e
commit 7bea180c58
4 changed files with 161 additions and 54 deletions
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53
app/src/main/java/com/cappielloantonio/tempo/util/UIUtil.java
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@ -5,8 +5,21 @@ import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.InsetDrawable;
import androidx.core.os.LocaleListCompat;
import androidx.recyclerview.widget.DividerItemDecoration;
import com.cappielloantonio.tempo.R;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
public class UIUtil {
public static int getSpanCount(int itemCount, int maxSpan) {
int itemSize = itemCount == 0 ? 1 : itemCount;
@ -31,4 +44,44 @@ public class UIUtil {
return itemDecoration;
}
private static LocaleListCompat getLocalesFromResources(Context context) {
final List<String> tagsList = new ArrayList<>();
XmlPullParser xpp = context.getResources().getXml(R.xml.locale_config);
try {
while (xpp.getEventType() != XmlPullParser.END_DOCUMENT) {
String tagName = xpp.getName();
if (xpp.getEventType() == XmlPullParser.START_TAG) {
if ("locale".equals(tagName) && xpp.getAttributeCount() > 0 && xpp.getAttributeName(0).equals("name")) {
tagsList.add(xpp.getAttributeValue(0));
}
}
xpp.next();
}
} catch (XmlPullParserException | IOException e) {
e.printStackTrace();
}
return LocaleListCompat.forLanguageTags(String.join(",", tagsList));
}
public static Map<String, String> getLangPreferenceDropdownEntries(Context context) {
LocaleListCompat localeList = getLocalesFromResources(context);
Map<String, String> map = new HashMap<>();
for (int i = 0; i < localeList.size(); i++) {
Locale locale = localeList.get(i);
if (locale != null) {
map.put(Util.toPascalCase(locale.getDisplayName()), locale.toLanguageTag());
}
}
return map;
}
}