工具類:SPUtil
阿新 • • 發佈:2019-01-10
package com.hxsmart.appstore.utils; import android.content.SharedPreferences; import android.preference.PreferenceManager; import com.hxsmart.appstore.activity.MyApplication; /** * Created by Administrator on 2016/5/3. */ public class SPUtil { private static SharedPreferences mSharedPreferences; private static synchronized SharedPreferences getPreferneces() { if (mSharedPreferences == null) { // mSharedPreferences = App.context.getSharedPreferences( // PREFERENCE_NAME, Context.MODE_PRIVATE); mSharedPreferences = PreferenceManager.getDefaultSharedPreferences(MyApplication.getInstance()); } return mSharedPreferences; } /** * 列印所有 */ public static void print() { System.out.println(getPreferneces().getAll()); } /** * 清空儲存在預設SharePreference下的所有資料 */ public static void clear() { getPreferneces().edit().clear().commit(); } /** * 儲存字串 * * @return */ public static void putString(String key, String value) { getPreferneces().edit().putString(key, value).commit(); } /** * 讀取字串 * * @param key * @return */ public static String getString(String key) { return getPreferneces().getString(key, null); } /** * 儲存整型值 * * @return */ public static void putInt(String key, int value) { getPreferneces().edit().putInt(key, value).commit(); } /** * 讀取整型值 * * @param key * @return */ public static int getInt(String key) { return getPreferneces().getInt(key, 0); } /** * 儲存布林值 * * @return */ public static void putBoolean(String key, Boolean value) { getPreferneces().edit().putBoolean(key, value).commit(); } public static void putLong(String key, long value) { getPreferneces().edit().putLong(key, value).commit(); } public static long getLong(String key) { return getPreferneces().getLong(key, 0); } /** * t 讀取布林值 * * @param key * @return */ public static boolean getBoolean(String key, boolean defValue) { return getPreferneces().getBoolean(key, defValue); } /** * 移除欄位 * * @return */ public static void removeString(String key) { getPreferneces().edit().remove(key).commit(); } }