Java tutorial
//package com.java2s; /* * Copyright (C) 2016 android@19code.com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.Context; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; public class Main { public static void cleanAllSP(Context context) { String packageName = context.getPackageName(); SharedPreferences sp = context.getSharedPreferences(packageName, Context.MODE_PRIVATE); Editor editor = sp.edit(); editor.clear(); editor.apply(); } }