Java PreferenceScreen.removePreference方法代碼示例

import android.support.v7.preference.PreferenceScreen; //導入方法依賴的package包/類
@Override
public void onCreatePreferencesFix(Bundle savedInstanceState, String rootKey) {
    addPreferencesFromResource(R.xml.app_preferences);
    PreferenceScreen mainPreferenceScreen = (PreferenceScreen) findPreference("mainPreferenceScreen");
    pushPreferenceCat = findPreference("pushCat");
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
        Preference downloadNotificationCat = findPreference("downloadNotificationCat");
        mainPreferenceScreen.removePreference(downloadNotificationCat);

    }
    crashlyticsAlwaysSendPreference = (SwitchPreferenceCompat) findPreference(getString(R.string.pref_key_crashlytics_always_send));
    crashlyticsAlwaysSendPreference.setChecked(TazSettings.getInstance(getContext())
                                                          .getCrashlyticsAlwaysSend());
    crashlyticsAlwaysSendPreference.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
        @Override
        public boolean onPreferenceChange(Preference preference, Object newValue) {
            TazSettings.getInstance(preference.getContext())
                       .setCrashlyticsAlwaysSend((Boolean) newValue);
            return true;
        }
    });
    setPushPrefState(!TextUtils.isEmpty(TazSettings.getInstance(getContext())
                                                   .getFirebaseToken()));
}
 

import android.support.v7.preference.PreferenceScreen; //導入方法依賴的package包/類
private void hideOrShowDangerousSettings() {
    Preference[] onScreenPrefs = getOnScreenPrefs();
    if (!GlobalPrivilegesManager.isAdvancedSettingsAccessEnabled() && !BuildConfig.DEBUG) {
        // Dangerous privileges should not be showing
        PreferenceScreen prefScreen = getPreferenceScreen();
        for (Preference p : onScreenPrefs) {
            if (p != null && !WHITELISTED_DEVELOPER_PREF_KEYS.contains(p.getKey())) {
                prefScreen.removePreference(p);
            }
        }
    } else {
        // Dangerous privileges should be showing
        if (onScreenPrefs.length == WHITELISTED_DEVELOPER_PREF_KEYS.size()) {
            // If we're currently showing only white-listed prefs, reset
            reset();
        }
    }
}
 

import android.support.v7.preference.PreferenceScreen; //導入方法依賴的package包/類
@Override
public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
    setPreferencesFromResource(R.xml.preference_settings, rootKey);
    mPreferenceScreen = (PreferenceScreen) findPreference("preference_screen");
    initGeneral();
    initUi();

    mDevPreferenceGroup = (PreferenceGroup) findPreference("preference_group_dev");
    if (!mPrefs.devOptionsOpened().getValue()) {
        mPreferenceScreen.removePreference(mDevPreferenceGroup);
    } else {
        initDevOps();
    }
    initAbout();
}
 

import android.support.v7.preference.PreferenceScreen; //導入方法依賴的package包/類
private void setVisibilityOfMigrationButton() {
    Preference migratePreference = findPreference(getString(R.string.pref_database_migrate_14_to_20));
    if (migratePreference == null) return;

    // check if there is a database at the old location.
    final DatabaseMigrator14To20 migrator = new DatabaseMigrator14To20(getActivity());
    boolean legacyDataExists = migrator.legacyDataExists();

    // display description.
    migratePreference.setSummary(getString(R.string.database_migrate_14_to_20_explanation));
    // + " (" + migrator.getLegacyDbPath() + ")");

    Preference.OnPreferenceClickListener migrateClicked = new Preference.OnPreferenceClickListener() {
        @Override
        public boolean onPreferenceClick(Preference preference) {
            boolean success = migrator.migrateLegacyDatabase();
            if (success) {
                Toast.makeText(getActivity(), R.string.database_migrate_14_to_20_success, Toast.LENGTH_LONG).show();
            } else {
                Toast.makeText(getActivity(), R.string.database_migrate_14_to_20_failure, Toast.LENGTH_LONG).show();
            }
            // The return value indicates whether to persist the preference,
            // which is not used in this case.
            return false;
        }
    };

    // hide preference if there is no legacy data.
    if (!legacyDataExists) {
        PreferenceScreen screen = getPreferenceScreen();
        screen.removePreference(migratePreference);
    } else {
        // enable listener for migration.
        migratePreference.setOnPreferenceClickListener(migrateClicked);
    }

}
 

import android.support.v7.preference.PreferenceScreen; //導入方法依賴的package包/類
private void setVisibilityOfUpdateOptionsPref() {
    Preference updateOptionsPref = getPreferenceManager().findPreference(UPDATE_TARGET);
    if (!DeveloperPreferences.shouldShowUpdateOptionsSetting() && updateOptionsPref != null) {
        // If the pref is showing and it shouldn't be
        PreferenceScreen prefScreen = getPreferenceScreen();
        prefScreen.removePreference(updateOptionsPref);
    } else if (DeveloperPreferences.shouldShowUpdateOptionsSetting() &&
            updateOptionsPref == null) {
        // If the pref isn't showing and it should be
        reset();
    }
}
 

import android.support.v7.preference.PreferenceScreen; //導入方法依賴的package包/類
/**
 * removes category from the settings
 *
 * @param preference preference to remove
 */
private void removeCategoryFromSettings(CharSequence preference) {
  PreferenceScreen screen = getPreferenceScreen();
  Preference preferenceCategory = findPreference(preference);
  screen.removePreference(preferenceCategory);
}
 

import android.support.v7.preference.PreferenceScreen; //導入方法依賴的package包/類
private void initPreferenceForConsent() {
    boolean isSignedInAndConsented = DataProvider.getInstance().isSignedIn(getActivity()) &&
            DataProvider.getInstance().isConsented(getActivity());

    PreferenceScreen screen = getPreferenceScreen();

    if (!isSignedInAndConsented) {
        screen.removePreference(profileCategory);
        privacyCategory.removePreference(sharingScope);
        generalCategory.removePreference(leaveStudy);

        // This method will be called if we leave the study. This means we need to add
        // "join study" back into the general-category as it was removed on the initial call of
        // this method
        if (generalCategory.findPreference(KEY_JOIN_STUDY) == null) {
            generalCategory.addPreference(joinStudy);
        }
    } else {
        generalCategory.removePreference(joinStudy);

        Observable.defer(() -> Observable.just(DataProvider.getInstance()
                .getUser(getActivity())))
                .compose(ObservableUtils.applyDefault())
                .subscribe(profile -> {
                    if (profile == null) {
                        getPreferenceScreen().removePreference(profileCategory);
                        return;

                    }

                    Preference namePref = profileCategory.findPreference(KEY_PROFILE_NAME);
                    if (profile.getName() != null) {
                        namePref.setSummary(profile.getName());
                    } else {
                        profileCategory.removePreference(namePref);
                    }

                    Preference birthdatePref = profileCategory.findPreference(
                            KEY_PROFILE_BIRTHDATE);
                    if (profile.getBirthDate() != null) {
                        try {
                            // The incoming date is formated in "yyyy-MM-dd", clean it up to "MMM dd, yyyy"
                            Date birthdate = FormatHelper.SIMPLE_FORMAT_DATE.parse(profile.getBirthDate());
                            DateFormat format = FormatHelper.getFormat(DateFormat.LONG,
                                    FormatHelper.NONE);
                            birthdatePref.setSummary(format.format(birthdate));
                        } catch (ParseException e) {
                            LogExt.e(SettingsFragment.class, e);
                            birthdatePref.setSummary(profile.getBirthDate());
                        }
                    } else {
                        profileCategory.removePreference(birthdatePref);
                    }
                });

        // Load Consent Data and set sharing scope
        Observable.defer(() -> Observable.just(ResourceManager.getInstance()
                .getConsentSections()
                .create(getActivity()))).flatMap((consentData) -> {
            this.data = (ConsentSectionModel) consentData;

            // Load and set sharing scope
            return Observable.just(DataProvider.getInstance()
                    .getUserSharingScope(getContext()));
        }).compose(ObservableUtils.applyDefault()).subscribe(scope -> {
            sharingScope.setSummary(formatSharingOption(scope));
        });
    }

    isInitializedForConsent = true;
}