forked from lxm_tools/flutter-picgo
132 lines
2.9 KiB
Dart
132 lines
2.9 KiB
Dart
import 'dart:async';
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import 'package:flutter_picgo/resources/pb_type_keys.dart';
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import 'package:flutter_picgo/resources/shared_preferences_keys.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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export 'package:flutter_picgo/resources/shared_preferences_keys.dart';
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/// 用来做shared_preferences的存储
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class SpUtil {
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static SpUtil _instance;
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static Future<SpUtil> get instance async {
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return await getInstance();
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}
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static SharedPreferences _spf;
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SpUtil._();
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Future _init() async {
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_spf = await SharedPreferences.getInstance();
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}
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static Future<SpUtil> getInstance() async {
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if (_instance == null) {
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_instance = new SpUtil._();
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}
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if (_spf == null) {
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await _instance._init();
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}
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return _instance;
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}
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static bool _beforeCheck() {
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if (_spf == null) {
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return true;
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}
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return false;
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}
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/// 设置默认图床
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setDefaultPB(String type) {
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putString(SharedPreferencesKeys.settingDefaultPB, type);
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}
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/// 获取当前默认图床，默认为github
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String getDefaultPB() {
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return getString(SharedPreferencesKeys.settingDefaultPB) ??
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PBTypeKeys.github;
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}
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// 判断是否存在数据
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bool hasKey(String key) {
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Set keys = getKeys();
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return keys.contains(key);
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}
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Set<String> getKeys() {
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if (_beforeCheck()) return null;
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return _spf.getKeys();
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}
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get(String key) {
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if (_beforeCheck()) return null;
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return _spf.get(key);
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}
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getString(String key) {
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if (_beforeCheck()) return null;
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return _spf.getString(key);
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}
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Future<bool> putString(String key, String value) {
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if (_beforeCheck()) return null;
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return _spf.setString(key, value);
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}
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bool getBool(String key) {
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if (_beforeCheck()) return null;
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return _spf.getBool(key);
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}
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Future<bool> putBool(String key, bool value) {
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if (_beforeCheck()) return null;
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return _spf.setBool(key, value);
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}
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int getInt(String key) {
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if (_beforeCheck()) return null;
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return _spf.getInt(key);
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}
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Future<bool> putInt(String key, int value) {
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if (_beforeCheck()) return null;
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return _spf.setInt(key, value);
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}
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double getDouble(String key) {
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if (_beforeCheck()) return null;
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return _spf.getDouble(key);
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}
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Future<bool> putDouble(String key, double value) {
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if (_beforeCheck()) return null;
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return _spf.setDouble(key, value);
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}
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List<String> getStringList(String key) {
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return _spf.getStringList(key);
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}
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Future<bool> putStringList(String key, List<String> value) {
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if (_beforeCheck()) return null;
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return _spf.setStringList(key, value);
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}
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dynamic getDynamic(String key) {
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if (_beforeCheck()) return null;
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return _spf.get(key);
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}
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Future<bool> remove(String key) {
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if (_beforeCheck()) return null;
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return _spf.remove(key);
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}
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Future<bool> clear() {
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if (_beforeCheck()) return null;
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return _spf.clear();
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}
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}
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