Android Studio中的appLocale设置

注意

您可以从github repo下载源代码

将当前语言电台输入标记为已选中

然后，您需要将您的区域设置更改标记/状态保存在其中

SharedPreferences

样本代码请 按照下列步骤

创建一个班级名称

PrefManager

import android.content.Context;import android.content.SharedPreferences;public class PrefManager {    private SharedPreferences.Editor editor;    private Context mContext;    private SharedPreferences prefs;    private final String LANGUAGE = "language";    private final String PREF = "user_data";    public PrefManager(Context mContext) {        this.mContext = mContext;    }    public String getLanguage() {        this.prefs = this.mContext.getSharedPreferences(PREF, 0);        return this.prefs.getString(LANGUAGE, "en");    }    public void setLanguage(String language) {        this.editor = this.mContext.getSharedPreferences(PREF, 0).edit();        this.editor.putString(LANGUAGE, language);        this.editor.apply();    }}

现在在您的代码中添加以下代码/条件

settingsActivity.java

public class JavaActivity extends AppCompatActivity {    PrefManager prefManager;    RadioButton radio_indo, radio_english;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_java);        prefManager = new PrefManager(this);        radio_indo = findViewById(R.id.radio_indo);        radio_english = findViewById(R.id.radio_english);        if (prefManager.getLanguage().equals("en")) { radio_english.setChecked(true);        } else { radio_english.setChecked(true);        }    }}

当用户选择另一个单选按钮时进行更改

• 当用户更改语言时，您需要对其进行更新

  SharedPreferences

• 更改语言环境后，您需要重新启动或重新创建活动

注意：您应该使用

RadioGroup.onCheckedChangeListener()

android:onClick="onRadioButtonClicked"

样本代码

public class JavaActivity extends AppCompatActivity {    PrefManager prefManager;    RadioButton radio_indo, radio_english;    RadioGroup appLang;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_java);        prefManager = new PrefManager(this);        radio_indo = findViewById(R.id.radio_indo);        radio_english = findViewById(R.id.radio_english);        appLang = findViewById(R.id.appLang);        if (prefManager.getLanguage().equals("en")) { radio_english.setChecked(true);        } else { radio_english.setChecked(true);        }        appLang.setonCheckedChangeListener(new RadioGroup.onCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup radioGroup, int checkId) {     switch (checkId) {         case R.id.radio_indo:  prefManager.setLanguage("id");  // you need to restart or recreate your activity after locale change  break;         case R.id.radio_english:  prefManager.setLanguage("en");  // you need to restart or recreate your activity after locale change  break;     } }        });    }}