我將該語言保存在sharedpreference中,似乎已成功保存,但是當我重新打開應用程序時,它將恢復爲默認語言「en」,如何使該活動以保存和選擇的同一種語言開始,我有兩個按鈕,每一個都以不同的語言,英語和阿拉伯語重新開始活動。如何在重新啓動時使用SharedPreferences在按鈕上保存用戶的語言選擇
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Spinner;
import android.widget.Toast;
import java.util.Locale;
public class Languages extends AppCompatActivity {
SharedPreferences prefs;
String languageToLoad;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_languages);
prefs = getSharedPreferences("Language", MODE_PRIVATE);
String L = prefs.getString("Language", "");
languageToLoad = L;
}
public void language_en(View view) {
languageToLoad = "en";
SharedPreferences.Editor editor = prefs.edit();
editor.putString("Language", languageToLoad);
editor.commit();
Locale locale = new Locale(String.valueOf(languageToLoad));
Locale.setDefault(locale);
Configuration config = new Configuration();
config.locale = locale;
Languages.this.getResources().updateConfiguration(config, Languages.this.getResources().getDisplayMetrics());
Intent intent = new Intent(Languages.this, MainActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
}
public void language_ar(View view) {
languageToLoad = "ar";
SharedPreferences.Editor editor = prefs.edit();
editor.putString("Language", languageToLoad);
editor.commit();
Toast.makeText(this, "Saved", Toast.LENGTH_SHORT).show();
Locale locale = new Locale(languageToLoad);
Locale.setDefault(locale);
Configuration config = new Configuration();
config.locale = locale;
Languages.this.getResources().updateConfiguration(config, Languages.this.getResources().getDisplayMetrics());
Intent intent = new Intent(Languages.this, MainActivity.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
}
}
在setContentView(R.layout.activity_languages)之前,調用您的語言設置方法.. – user3678528
您的代碼格式不正確,請更正格式 – Ibo