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我尝试更改android手机的语言有问题使用代码 ,但它给了我两个异常java.lang.reflect.InvocationTargetException和java.lang。空指针异常。帮助我的任何机构知道如何解决这些异常。是否有可能通过android代码更改android手机的语言
public void changeLanguageSettings(Context con, Locale language) {
try {
//Linguagem definida
Locale locale = language;
Class amnClass = Class.forName("android.app.ActivityManagerNative");
Object amn = null;
Configuration config = null;
// amn = ActivityManagerNative.getDefault();
Method methodGetDefault = amnClass.getMethod("getDefault");
methodGetDefault.setAccessible(true);
amn = methodGetDefault.invoke(amnClass);
// config = amn.getConfiguration();
Method methodGetConfiguration = amnClass
.getMethod("getConfiguration");
methodGetConfiguration.setAccessible(true);
config = (Configuration) methodGetConfiguration.invoke(amn);
// config.userSetLocale = true;
Class configClass = config.getClass();
Field f = configClass.getField("userSetLocale");
f.setBoolean(config, true);
// alterando a linguagem
config.locale = locale;
// amn.updateConfiguration(config);
Method methodUpdateConfiguration = amnClass.getMethod(
"updateConfiguration", Configuration.class);
methodUpdateConfiguration.setAccessible(true);
methodUpdateConfiguration.invoke(amn, config);
} catch (Exception e) {
Log.d("error-->", "" + e.getMessage().toString());
}
}