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[android] Add function to get all android system languages

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Signed-off-by: gekeleda <git@davidgekeler.eu>
This commit is contained in:
gekeleda
2025-11-23 20:23:43 +01:00
committed by x7z4w
parent 2c37e22f5c
commit 1d087ca854
3 changed files with 59 additions and 12 deletions
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30
android/sdk/src/main/cpp/app/organicmaps/sdk/platform/Language.cpp
View File

@@ -9,8 +9,7 @@
#include <string>
/// This function is called from native c++ code
std::string GetAndroidSystemLanguage()
std::vector<std::string> GetAndroidSystemLanguages()
{
static char const * DEFAULT_LANG = "en";
@@ -18,20 +17,31 @@ std::string GetAndroidSystemLanguage()
if (!env)
{
LOG(LWARNING, ("Can't get JNIEnv"));
return DEFAULT_LANG;
return {DEFAULT_LANG};
}
static jclass const languageClass = jni::GetGlobalClassRef(env, "app/organicmaps/sdk/util/Language");
static jmethodID const getDefaultLocaleId =
jni::GetStaticMethodID(env, languageClass, "getDefaultLocale", "()Ljava/lang/String;");
jni::TScopedLocalRef localeRef(env, env->CallStaticObjectMethod(languageClass, getDefaultLocaleId));
static jmethodID const getSystemLocalesId =
jni::GetStaticMethodID(env, languageClass, "getSystemLocales", "()[Ljava/lang/String;");
std::string res = jni::ToNativeString(env, (jstring)localeRef.get());
if (res.empty())
res = DEFAULT_LANG;
jni::TScopedLocalRef resultArray(env, env->CallStaticObjectMethod(languageClass, getSystemLocalesId));
return res;
jobjectArray array = static_cast<jobjectArray>(resultArray.get());
size_t len = env->GetArrayLength(array);
std::vector<std::string> languages;
languages.reserve(len);
for (size_t i = 0; i < len; ++i)
{
jni::TScopedLocalRef elem(env, env->GetObjectArrayElement(array, i));
std::string lang = jni::ToNativeString(env, static_cast<jstring>(elem.get()));
languages.push_back(lang);
}
return languages;
}
namespace platform

35
android/sdk/src/main/java/app/organicmaps/sdk/util/Language.java
View File

@@ -1,11 +1,16 @@
package app.organicmaps.sdk.util;
import android.content.Context;
import android.content.res.Resources;
import android.os.Build;
import android.os.LocaleList;
import android.text.TextUtils;
import android.view.inputmethod.InputMethodManager;
import android.view.inputmethod.InputMethodSubtype;
import androidx.annotation.Keep;
import androidx.annotation.NonNull;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
public class Language
@@ -33,6 +38,36 @@ public class Language
return lang;
}
@Keep
@SuppressWarnings("unused")
@NonNull
public static String[] getSystemLocales()
{
List<String> result = new ArrayList<>();
// Check for Android version high enough to support Locale Preference list
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N)
{
// Gets user language preference list, on system level - app-specific changes are not applied
// (For that a Context object would be necessary)
LocaleList list = Resources.getSystem().getConfiguration().getLocales();
for (int i = 0; i < list.size(); i++)
{
String lang = list.get(i).toString();
if (lang.startsWith("in"))
lang = "id";
if (lang.startsWith("iw"))
lang = "he";
result.add(lang);
}
}
else
{
result.add(Locale.getDefault().toString());
}
return result.toArray(new String[0]);
}
// After some testing on Galaxy S4, looks like this method doesn't work on all devices:
// sometime it always returns the same value as getDefaultLocale()
@NonNull