更改设备系统区域设置不适用于印地语和孟加拉语以外的印度语言

Changing the device system locale not working for Indian languages other than Hindi and Bengali

参考 this link,我正在构建一个 android 应用程序,它可以更改 android 设备的系统区域设置。它在印度语言印地语和孟加拉语的情况下工作正常,但对于其他印度语言它不能完全工作(但在某些地区如 am/pm 部分时间部分改变)。我的示例代码片段:

    public void toEnglish(View v){
    IActivityManager am = ActivityManagerNative.getDefault();
    Configuration config;
    try {
        config = am.getConfiguration();
        config.locale = Locale.US;
        am.updateConfiguration(config);
        //Trigger the dirty bit for the Settings Provider.  
       BackupManager.dataChanged("com.android.providers.settings"); 
    } catch (Exception e) {
        e.printStackTrace();
    }
}
  public void toHindi(View v) {
    IActivityManager am = ActivityManagerNative.getDefault();
    Configuration config;
    try {
        Locale locale = new Locale("hi");
        config = am.getConfiguration();
        config.locale = locale;
        am.updateConfiguration(config);
        //Trigger the dirty bit for the Settings Provider.  
       BackupManager.dataChanged("com.android.providers.settings"); 
    } catch (Exception e) {
        e.printStackTrace();
    }
}

public void toTamil(View v) {
    IActivityManager am = ActivityManagerNative.getDefault();
    Configuration config;
    try {
        Locale locale = new Locale("ta");
        config = am.getConfiguration();
        config.locale = locale;
        am.updateConfiguration(config);
        //Trigger the dirty bit for the Settings Provider.  
       BackupManager.dataChanged("com.android.providers.settings"); 
    } catch (Exception e) {
        e.printStackTrace();
    }
}

如果我通过 设置 -> 语言和输入 -> 语言[=,我的设备并不支持这些语言19=] 并在那里更改语言,它有效。但是如何以编程方式进行呢?

在初始化语言环境时添加国家/地区字符串对我来说是个窍门。我在这里添加字符串 "IN".

public void toTamil(View v) {
IActivityManager am = ActivityManagerNative.getDefault();
Configuration config;
try {
    Locale locale = new Locale("ta","IN");
    config = am.getConfiguration();
    config.locale = locale;
    am.updateConfiguration(config);
    //Trigger the dirty bit for the Settings Provider.  
   BackupManager.dataChanged("com.android.providers.settings"); 
} catch (Exception e) {
    e.printStackTrace();
}