Java PreferenceGroup类代码示例

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
protected PreferenceGroup getPreferenceParent(PreferenceGroup prefGroup, Preference pref) {
    for (int i = 0; i < prefGroup.getPreferenceCount(); ++i) {
        Preference prefChild = prefGroup.getPreference(i);
        if (prefChild == pref) {
            return prefGroup;
        }
        if (prefChild instanceof PreferenceGroup) {
            PreferenceGroup childGroup = (PreferenceGroup) prefChild;
            PreferenceGroup result = getPreferenceParent(childGroup, pref);
            if (result != null) {
                return result;
            }
        }
    }
    return null;
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
@DexAppend
@Override
public void onCreate(Bundle icicle) {
    try {
        PreferenceGroup pg = (PreferenceGroup) findPreference(
                FakeSignatureGlobalUI.DEBUG_APPLICATIONS_CATEGORY_KEY);
        if (pg != null) {
            TwoStatePreference p = createTwoStatePreference(pg.getContext());
            p.setKey(FakeSignatureGlobalUI.SETTING_SECURE_KEY);
            p.setTitle(FakeSignatureGlobalUI.SETTING_TITLE);
            p.setSummary(FakeSignatureGlobalUI.SETTING_SUMMARY);
            p.setPersistent(false);
            mResetTwoStatePrefsAdd(p);
            mAllPrefs.add(p);
            //pg.setOrderingAsAdded(true);
            pg.addPreference(p);
            mAllowFakeSignatureGlobal = p;
        } else {
            Log.e("DevelopmentSettings_FakeSignatureGlobalUI", "cannot find 'applications' preference category");
        }
    } catch (Throwable t) {
        Log.e("DevelopmentSettings_FakeSignatureGlobalUI", "onCreate exception", t);
    }
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
protected void addEditAccountAction(
        final IGISApplication application,
        final Account account,
        PreferenceGroup actionCategory)
{
    Preference preferenceEdit = new Preference(mStyledContext);
    preferenceEdit.setTitle(R.string.edit_account);
    preferenceEdit.setSummary(R.string.edit_account_summary);

    String url = application.getAccountUrl(account);
    String login = application.getAccountLogin(account);

    Intent intent = new Intent(mStyledContext, NGWLoginActivity.class);
    intent.putExtra(NGWLoginActivity.FOR_NEW_ACCOUNT, false);
    intent.putExtra(NGWLoginActivity.ACCOUNT_URL_TEXT, url);
    intent.putExtra(NGWLoginActivity.ACCOUNT_LOGIN_TEXT, login);
    intent.putExtra(NGWLoginActivity.CHANGE_ACCOUNT_URL, false);
    intent.putExtra(NGWLoginActivity.CHANGE_ACCOUNT_LOGIN, true);
    preferenceEdit.setIntent(intent);

    actionCategory.addPreference(preferenceEdit);
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
private void tintPrefIconsRecursive(PreferenceGroup prefGroup, @ColorInt int iconColor) {
    if (prefGroup != null) {
        int prefCount = prefGroup.getPreferenceCount();
        for (int i = 0; i < prefCount; i++) {
            Preference pref = prefGroup.getPreference(i);
            if (pref != null) {
                pref.setIcon(_cu.tintDrawable(pref.getIcon(), iconColor));
                if (pref instanceof PreferenceGroup) {
                    tintPrefIconsRecursive((PreferenceGroup) pref, iconColor);
                }
            }
        }
    }
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
protected void removePreference(@Nullable Preference preference) {
    if (preference == null) {
        return;
    }
    PreferenceGroup parent = getPreferenceParent(getPreferenceScreen(), preference);
    if (parent == null) {
        return;
    }
    parent.removePreference(preference);
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
protected void fillPreferences(PreferenceGroup screen)
{
    if (mAction != null && mAction.equals(SettingsConstantsUI.ACTION_ACCOUNT)) {
        addPreferencesFromResource(R.xml.preferences_ngid);
        fillAccountPreferences(screen);
    }
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
private void removeAdvancePreference(Preference preference) {
    // these null checks are to fix a crash due to an NPE on 4.4.4
    if (preference != null) {
        PreferenceGroup group =
                (PreferenceGroup) findPreference("pref_general");
        if (group != null) {
            group.removePreference(preference);
        }
    }
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
private void initSummary(Preference preference) {
    if (preference instanceof PreferenceGroup) {
        PreferenceGroup preferenceGroup = (PreferenceGroup) preference;

        for (int i = 0; i < preferenceGroup.getPreferenceCount(); i++) {
            initSummary(preferenceGroup.getPreference(i));
        }
    }
    else {
        updatePreferenceSummary(preference);
    }
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
private void initPrefsInfos(Preference pref) {
    if (pref instanceof PreferenceGroup) {
        PreferenceGroup prefGroup = (PreferenceGroup) pref;
        final int currentPreferenceCount = prefGroup.getPreferenceCount();
        for (int i = 0; i < currentPreferenceCount; i++) {
            initPrefsInfos(prefGroup.getPreference(i));
        }
    } else {
        initClickedListenerIfNeeded(pref);
        initFilterIfNeeded(pref);
        updatePrefDefaultValue(pref);
        updatePrefSummary(pref);
    }
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
@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.PreferenceGroup; //导入依赖的package包/类
public PreferenceGroupAdapter(PreferenceGroup preferenceGroup) {
    super(preferenceGroup);

    try {
        Field preferenceLayoutsField = android.support.v7.preference.PreferenceGroupAdapter.class.getDeclaredField("mPreferenceLayouts");
        preferenceLayoutsField.setAccessible(true);
        mPreferenceLayouts = (List) preferenceLayoutsField.get(this);

        getReflectionFields();
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
/**
 * Traverses a {@code PreferenceGroup} to notify all eligible preferences about the results
 * of a returning activity.
 *
 * @param group       The {@code PreferenceGroup} to traverse.
 * @param requestCode The integer request code originally supplied to startActivityForResult(), allowing you to identify who this result came from.
 * @param resultCode  The integer result code returned by the child activity through its setResult().
 * @param data        An Intent, which can return result data to the caller (various data can be attached to Intent "extras").
 */
protected void onActivityResult(PreferenceGroup group, int requestCode, int resultCode, Intent data) {
    final int n = group.getPreferenceCount();

    for (int i = 0; i < n; i++) {
        Preference pref = group.getPreference(i);
        if (pref instanceof PreferenceActivityResultListener) {
            ((PreferenceActivityResultListener) pref).onActivityResult(requestCode, resultCode, data);
        }

        if (pref instanceof PreferenceGroup) {
            onActivityResult((PreferenceGroup) pref, requestCode, resultCode, data);
        }
    }
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
private void initSummary(Preference p) {
    if (p instanceof PreferenceGroup) {
        PreferenceGroup pGrp = (PreferenceGroup) p;
        for (int i = 0; i < pGrp.getPreferenceCount(); i++) {
            initSummary(pGrp.getPreference(i));
        }
    } else {
        updatePrefSummary(p);
    }
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
private void initSummary(Preference preference) {
    if (preference instanceof PreferenceGroup) {
        PreferenceGroup group = (PreferenceGroup) preference;
        for (int i = 0; i < group.getPreferenceCount(); i++) {
            initSummary(group.getPreference(i));
        }
    } else {
        updatePrefSummary(preference);
    }
}
 

import android.support.v7.preference.PreferenceGroup; //导入依赖的package包/类
protected void fillPreferences(PreferenceGroup screen)
{
    if (mAction != null && mAction.equals(SettingsConstantsUI.ACTION_ACCOUNT)) {
        Account account = getArguments().getParcelable(NGWSettingsActivity.KEY_ACCOUNT);
        fillAccountPreferences(screen, account);
    }
}