在java代码中判断当前国家码&&遍历Switchpreferencer开关进行展示

使用adb命令查看当前设备的国家码

adb root
adb shell getprop findstr country
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根据adb获得可以判断国家码的属性
在代码中通过获得的属性进行判断

if(“US”.equalsIgnoreCase(SystemProperties.get("ro.product.countrycode",""))){
//符合的国家码进行的逻辑
}
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遍历Switchpreference然后展示

 getPreferenceManager().setSharedPreferencesName(LauncherFiles.SHARED_PREFERENCES_KEY);
            setPreferencesFromResource(R.xml.launcher_preferences, rootKey);

            PreferenceScreen screen = getPreferenceScreen();
            for (int i = screen.getPreferenceCount() - 1; i >= 0; i--) {
                Preference preference = screen.getPreference(i);
                if (!initPreference(preference)) {
                    screen.removePreference(preference);//关闭删除某一个控件
                } else {
                    preference.setOnPreferenceChangeListener((preferences, newValue) -> {
                        
                        mSharedPrefs.edit().putBoolean(preferences.getKey(), (Boolean) newValue).apply();
                        if(preferences.getKey().equals(RECENT_USED_PREFERENCE_KEY)){
                       
                            onSwitchStateUpdateListener.onStateUpdate(0);
                        }else  if(preferences.getKey().equals(ALL_APPS_ENTRY_PREFERENCE_KEY)){    
                            onSwitchStateUpdateListener.onStateUpdate(1);
                        }else if(preferences.getKey().equals(KEY_ENABLE_MINUS_ONE)){
                            SharedPreferences sharedPreferences=mlauncher.getSharedPreferences("googlenagative",MODE_PRIVATE);
                            SharedPreferences.Editor editor=sharedPreferences.edit();
                            if((newValue+"").equals("true")){
                                editor.putBoolean("isopen",true);

                            }else{
                                editor.putBoolean("isopen",false);
                            }
                            editor.commit();
                            mlauncher.getWorkspace().requestLayout();
                        }else if(preferences.getKey().equals(ADD_ICON_PREFERENCE_KEY)){
                        }else if(preferences.getKey().equals(RECENT_INSTALL_PREFERENCE_KEY)){
                        }
                        return true;
                    });
                }
            }

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