49 lines
1.5 KiB
Plaintext
49 lines
1.5 KiB
Plaintext
package com.novelbook.android.utils;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.content.SharedPreferences.Editor;
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import com.google.gson.Gson;
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import com.google.gson.reflect.TypeToken;
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import java.util.List;
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public class HistoryCache {
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public HistoryCache() {
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}
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public static void clear(Context context) {
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SharedPreferences sp = context.getSharedPreferences("record", 0);
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sp.edit().clear().commit();
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}
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public static void saveHistory(Context context, String result) {
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SharedPreferences sp = context.getSharedPreferences("record", 0);
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Editor editor = sp.edit();
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editor.putString("record_key", result);
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editor.commit();
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}
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public static String getHistory(Context context) {
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SharedPreferences sp = context.getSharedPreferences("record", 0);
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String result = sp.getString("record_key", (String)null);
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return result;
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}
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public static List<String> toArray(Context context) {
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String history = getHistory(context);
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Gson gson = new Gson();
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List<String> retList = (List)gson.fromJson(history, (new TypeToken<List<String>>() {
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}).getType());
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if(retList!=null && retList.size()>9){
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return retList.subList(0,9);
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}
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return retList;
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}
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public static String toJsonArray(List<String> historyList) {
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Gson gson = new Gson();
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return gson.toJson(historyList);
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}
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}
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