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@@ -0,0 +1,256 @@
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+package com.sheep.gamegroup.util;
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+
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+import android.content.Context;
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+import android.content.SharedPreferences;
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+import android.util.Log;
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+
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+import com.google.gson.Gson;
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+import com.google.gson.JsonArray;
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+import com.google.gson.JsonElement;
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+import com.google.gson.JsonObject;
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+import com.google.gson.JsonParser;
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+
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+import java.util.ArrayList;
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+import java.util.HashMap;
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+import java.util.List;
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+import java.util.Map;
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+import java.util.Set;
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+
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+public class SharedPreferencesUtil {
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+
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+ private static SharedPreferencesUtil util;
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+ private static SharedPreferences sp;
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+
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+ private SharedPreferencesUtil(Context context, String name) {
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+ sp = context.getSharedPreferences(name, Context.MODE_PRIVATE);
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+ }
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+
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+ /**
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+ * 初始化SharedPreferencesUtil,只需要初始化一次，建议在Application中初始化
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+ * @param context 上下文对象
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+ * @param name SharedPreferences Name
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+ */
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+ public static void getInstance(Context context, String name) {
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+ if (util == null) {
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+ util = new SharedPreferencesUtil(context, name);
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+ }
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+ }
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+
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+ /**
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+ * 保存数据到SharedPreferences
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+ *
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+ * @param key 键
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+ * @param value 需要保存的数据
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+ * @return 保存结果
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+ */
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+ public static boolean putData(String key, Object value) {
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+ boolean result;
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+ SharedPreferences.Editor editor = sp.edit();
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+ String type = value.getClass().getSimpleName();
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+ try {
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+ switch (type) {
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+ case "Boolean":
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+ editor.putBoolean(key, (Boolean) value);
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+ break;
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+ case "Long":
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+ editor.putLong(key, (Long) value);
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+ break;
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+ case "Float":
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+ editor.putFloat(key, (Float) value);
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+ break;
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+ case "String":
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+ editor.putString(key, (String) value);
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+ break;
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+ case "Integer":
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+ editor.putInt(key, (Integer) value);
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+ break;
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+ default:
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+ Gson gson = new Gson();
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+ String json = gson.toJson(value);
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+ editor.putString(key, json);
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+ break;
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+ }
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+ result = true;
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+ } catch (Exception e) {
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+ result = false;
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+ e.printStackTrace();
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+ }
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+ editor.apply();
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+ return result;
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+ }
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+
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+ /**
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+ * 获取SharedPreferences中保存的数据
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+ * @param key 键
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+ * @param defaultValue 获取失败默认值
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+ * @return 从SharedPreferences读取的数据
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+ */
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+ public static Object getData(String key, Object defaultValue) {
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+ Object result;
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+ String type = defaultValue.getClass().getSimpleName();
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+ try {
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+ switch (type) {
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+ case "Boolean":
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+ result = sp.getBoolean(key, (Boolean) defaultValue);
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+ break;
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+ case "Long":
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+ result = sp.getLong(key, (Long) defaultValue);
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+ break;
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+ case "Float":
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+ result = sp.getFloat(key, (Float) defaultValue);
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+ break;
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+ case "String":
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+ result = sp.getString(key, (String) defaultValue);
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+ break;
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+ case "Integer":
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+ result = sp.getInt(key, (Integer) defaultValue);
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+ break;
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+ default:
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+ Gson gson = new Gson();
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+ String json = sp.getString(key, "");
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+ if (!json.equals("") && json.length() > 0) {
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+ result = gson.fromJson(json, defaultValue.getClass());
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+ } else {
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+ result = defaultValue;
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+ }
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+ break;
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+ }
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+ } catch (Exception e) {
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+ result = null;
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+ e.printStackTrace();
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+ }
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+ return result;
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+ }
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+
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+ /**
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+ * 用于保存集合
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+ *
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+ * @param key key
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+ * @param list 集合数据
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+ * @return 保存结果
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+ */
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+ public static <T> boolean putListData(String key, List<T> list) {
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+ boolean result;
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+ String type = list.get(0).getClass().getSimpleName();
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+ SharedPreferences.Editor editor = sp.edit();
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+ JsonArray array = new JsonArray();
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+ try {
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+ switch (type) {
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+ case "Boolean":
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+ for (int i = 0; i < list.size(); i++) {
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+ array.add((Boolean) list.get(i));
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+ }
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+ break;
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+ case "Long":
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+ for (int i = 0; i < list.size(); i++) {
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+ array.add((Long) list.get(i));
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+ }
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+ break;
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+ case "Float":
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+ for (int i = 0; i < list.size(); i++) {
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+ array.add((Float) list.get(i));
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+ }
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+ break;
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+ case "String":
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+ for (int i = 0; i < list.size(); i++) {
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+ array.add((String) list.get(i));
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+ }
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+ break;
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+ case "Integer":
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+ for (int i = 0; i < list.size(); i++) {
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+ array.add((Integer) list.get(i));
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+ }
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+ break;
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+ default:
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+ Gson gson = new Gson();
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+ for (int i = 0; i < list.size(); i++) {
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+ JsonElement obj = gson.toJsonTree(list.get(i));
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+ array.add(obj);
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+ }
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+ break;
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+ }
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+ editor.putString(key, array.toString());
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+ result = true;
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+ } catch (Exception e) {
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+ result = false;
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+ e.printStackTrace();
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+ }
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+ editor.apply();
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+ return result;
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+ }
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+
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+ /**
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+ * 获取保存的List
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+ *
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+ * @param key key
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+ * @return 对应的Lis集合
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+ */
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+ public static <T> List<T> getListData(String key, Class<T> cls) {
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+ List<T> list = new ArrayList<>();
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+ String json = sp.getString(key, "");
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+ if (!json.equals("") && json.length() > 0) {
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+ Gson gson = new Gson();
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+ JsonArray array = new JsonParser().parse(json).getAsJsonArray();
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+ for (JsonElement elem : array) {
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+ list.add(gson.fromJson(elem, cls));
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+ }
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+ }
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+ return list;
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+ }
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+
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+ /**
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+ * 用于保存集合
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+ *
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+ * @param key key
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+ * @param map map数据
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+ * @return 保存结果
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+ */
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+ public static <K, V> boolean putHashMapData(String key, Map<K, V> map) {
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+ boolean result;
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+ SharedPreferences.Editor editor = sp.edit();
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+ try {
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+ Gson gson = new Gson();
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+ String json = gson.toJson(map);
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+ editor.putString(key, json);
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+ result = true;
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+ } catch (Exception e) {
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+ result = false;
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+ e.printStackTrace();
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+ }
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+ editor.apply();
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+ return result;
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+ }
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+
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+ /**
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+ * 用于保存集合
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+ *
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+ * @param key key
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+ * @return HashMap
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+ */
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+ public static <V> HashMap<String, V> getHashMapData(String key, Class<V> clsV) {
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+ String json = sp.getString(key, "");
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+ HashMap<String, V> map = new HashMap<>();
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+ Gson gson = new Gson();
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+ JsonObject obj = new JsonParser().parse(json).getAsJsonObject();
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+ Set<Map.Entry<String, JsonElement>> entrySet = obj.entrySet();
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+ for (Map.Entry<String, JsonElement> entry : entrySet) {
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+ String entryKey = entry.getKey();
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+ JsonObject value = (JsonObject) entry.getValue();
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+ map.put(entryKey, gson.fromJson(value, clsV));
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+ }
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+ Log.e("SharedPreferencesUtil", obj.toString());
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+ return map;
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+ }
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+ /**
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+ * @Author AlanMa
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+ * @Description 清除数据
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+ * @Date 2020/4/26
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+ * @Param [key]
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+ * @return void
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+ */
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+ public static void cleanByKey(String key){
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+ SharedPreferences.Editor editor = sp.edit();
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+ editor.remove(key);
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+ editor.commit();
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+ }
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+}
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zeki