Android-动态更改语言
在我的Android应用程序中,我想以友好的方式更改默认语言。我已经实现了这个方法:Android-动态更改语言,android,locale,dynamic-languages,android-configchanges,Android,Locale,Dynamic Languages,Android Configchanges,在我的Android应用程序中,我想以友好的方式更改默认语言。我已经实现了这个方法: public void changeLanguage(String lang) { //lang="it" or "en" for example myLocale = new Locale(lang); Resources res = getResources(); DisplayMetrics dm = res.getDisplayMetrics(); Configurat
public void changeLanguage(String lang) { //lang="it" or "en" for example
myLocale = new Locale(lang);
Resources res = getResources();
DisplayMetrics dm = res.getDisplayMetrics();
Configuration conf = res.getConfiguration();
conf.locale = myLocale;
res.updateConfiguration(conf, dm);
Handler handler = new Handler();
handler.postDelayed(new Runnable()
{
@Override
public void run()
{
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB)
{
finish();
startActivity(getIntent());
} else recreate();
}
}, 1);
}
我也试过:
android:configChanges="locale|layoutDirection"
此解决方案运行良好,但只要屏幕旋转,就会返回默认配置并恢复语言
如何解决此问题?您可以在回调
onSaveInstanceState
中保存语言配置,当系统因旋转而重新创建活动时,重新加载保存的区域设置值
private static final String LANG = "lang";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState != null) {
Configuration configuration = getResources().getConfiguration();
DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
configuration.locale = new Locale(savedInstanceState.getString(LANG));
getResources().updateConfiguration(configuration, displayMetrics);
}
}
/*
* (non-Javadoc)
*
* @see
* android.support.v4.app.FragmentActivity#onSaveInstanceState(android.os
* .Bundle)
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
// TODO Auto-generated method stub
super.onSaveInstanceState(outState);
outState.putString(LANG, "it");
}
您是否尝试过在首选项中存储区域设置?例如:
创建时受保护的void(Bundle savedInstanceState){
SharedPreferences=PreferenceManager.getDefaultSharedPreferences(此);
setLocale(prefs.getString(“pref_locale”、“en”);
}
公共语言(字符串语言){
prefs.setString(“pref_locale”,lang);
语言环境;
}
公共void setLocale(字符串语言\u代码){
Resources res=getResources();
//更改应用程序中的区域设置。
DisplayMetrics dm=res.getDisplayMetrics();
android.content.res.Configuration=res.getConfiguration();
conf.locale=newlocale(language_code.toLowerCase());
res.updateConfiguration(conf,dm);
}
我已经尝试了他们在那篇文章中提供的解决方案,但正如我在上面所说的,它不起作用。嗨,Julia,我想知道,setLocale
函数中的代码来自哪里?这是自动生成的样板文件吗?还是来自Android指南/教程或其他什么?
private static final String LANG = "lang";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (savedInstanceState != null) {
Configuration configuration = getResources().getConfiguration();
DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
configuration.locale = new Locale(savedInstanceState.getString(LANG));
getResources().updateConfiguration(configuration, displayMetrics);
}
}
/*
* (non-Javadoc)
*
* @see
* android.support.v4.app.FragmentActivity#onSaveInstanceState(android.os
* .Bundle)
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
// TODO Auto-generated method stub
super.onSaveInstanceState(outState);
outState.putString(LANG, "it");
}