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新增 弱引用handler 3des加密工具类
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‎README.md

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@@ -44,6 +44,8 @@ allprojects {
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| StatusBarUtils |状态栏处理工具类 ，支持沉浸式状态栏| [StatusBarUtils][17] | |
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| ToolResource | Android 获取资源工具类 | [ToolResource][18] | |
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| TouchEventUtil | Android Touch事件打印辅助工具类 | [TouchEventUtil][19] | |
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| WeakRefHander | 弱引用 handler 防止内存泄露 | [WeakRefHander][23] | |
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| SecretUtils | 3DES 加密/解密 | [SecretUtils][24] | |
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```
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dependencies {
@@ -119,4 +121,6 @@ dependencies {
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[19]: https://github.com/AllenCoder/SuperUtils/blob/master/apputils/src/main/java/com/allen/apputils/TouchEventUtil.java
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[20]: https://github.com/AllenCoder/SuperUtils/blob/master/dbutils/src/main/java/com/allen/dbutils/Utils.java
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[21]: https://github.com/AllenCoder/SuperUtils/blob/master/mediautil/src/main/java/com/allen/mediautil/ImageTakerHelper.java
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[22]: https://github.com/AllenCoder/SuperUtils/blob/master/mediautil/src/main/java/com/allen/mediautil/Utils.java
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[22]: https://github.com/AllenCoder/SuperUtils/blob/master/mediautil/src/main/java/com/allen/mediautil/Utils.java
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[23]: https://github.com/AllenCoder/SuperUtils/blob/master/mediautil/src/main/java/com/allen/mediautil/WeakRefHander.java
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[24]: https://github.com/AllenCoder/SuperUtils/blob/master/mediautil/src/main/java/com/allen/mediautil/SecretUtils.java

‎apputils/src/main/java/com/allen/apputils/SecretUtils.java

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/*
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* Copyright 2017 [AllenCoderr]
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.allen.apputils;
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import java.io.UnsupportedEncodingException;
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import java.security.NoSuchAlgorithmException;
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import javax.crypto.Cipher;
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import javax.crypto.NoSuchPaddingException;
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import javax.crypto.SecretKey;
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import javax.crypto.spec.SecretKeySpec;
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/**
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* 3DES 加密/解密
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*/
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/**
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* SecretUtils {3DES加密解密的工具类 }
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*/
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public class SecretUtils {
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//定义加密算法，有DES、DESede(即3DES)、Blowfish
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private static final String Algorithm = "DESede";
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private static final String PASSWORD_CRYPT_KEY = "2017abcdefghijklmnopQrst123";
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/**
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* 加密方法
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* @param src 源数据的字节数组
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* @return
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*/
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public static byte[] encryptMode(byte[] src) {
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try {
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SecretKey deskey = new SecretKeySpec(build3DesKey(PASSWORD_CRYPT_KEY), Algorithm); //生成密钥
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Cipher c1 = Cipher.getInstance(Algorithm); //实例化负责加密/解密的Cipher工具类
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c1.init(Cipher.ENCRYPT_MODE, deskey); //初始化为加密模式
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return c1.doFinal(src);
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} catch (java.security.NoSuchAlgorithmException e1) {
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e1.printStackTrace();
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} catch (javax.crypto.NoSuchPaddingException e2) {
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e2.printStackTrace();
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} catch (java.lang.Exception e3) {
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e3.printStackTrace();
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}
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return null;
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}
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/**
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* 解密函数
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* @param src 密文的字节数组
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* @return
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*/
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public static byte[] decryptMode(byte[] src) {
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try {
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SecretKey deskey = new SecretKeySpec(build3DesKey(PASSWORD_CRYPT_KEY), Algorithm);
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Cipher c1 = Cipher.getInstance(Algorithm);
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c1.init(Cipher.DECRYPT_MODE, deskey); //初始化为解密模式
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return c1.doFinal(src);
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} catch (java.security.NoSuchAlgorithmException e1) {
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e1.printStackTrace();
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} catch (javax.crypto.NoSuchPaddingException e2) {
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e2.printStackTrace();
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} catch (java.lang.Exception e3) {
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e3.printStackTrace();
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}
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return null;
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}
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/*
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* 根据字符串生成密钥字节数组
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* @param keyStr 密钥字符串
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* @return
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* @throws UnsupportedEncodingException
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*/
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public static byte[] build3DesKey(String keyStr) throws UnsupportedEncodingException{
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byte[] key = new byte[24]; //声明一个24位的字节数组，默认里面都是0
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byte[] temp = keyStr.getBytes("UTF-8"); //将字符串转成字节数组
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/*
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* 执行数组拷贝
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* System.arraycopy(源数组，从源数组哪里开始拷贝，目标数组，拷贝多少位)
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*/
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if(key.length > temp.length){
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//如果temp不够24位，则拷贝temp数组整个长度的内容到key数组中
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System.arraycopy(temp, 0, key, 0, temp.length);
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}else{
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//如果temp大于24位，则拷贝temp数组24个长度的内容到key数组中
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System.arraycopy(temp, 0, key, 0, key.length);
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}
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return key;
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}
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}

‎apputils/src/main/java/com/allen/apputils/WeakRefHander.java

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/*
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* Copyright 2017 [AllenCoderr]
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.allen.apputils;
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import android.os.Handler;
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import android.os.Message;
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import java.lang.ref.WeakReference;
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/**
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* 作者: allen on 15/11/24.
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*/
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/**
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* 弱引用 handler 防止内存泄露
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*/
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public class WeakRefHander extends Handler {
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private final WeakReference<Callback> mRef;
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private final int mLoopTime;
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private int NO_LOOP = -1;
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private int what =0;
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/**
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* 循环
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*
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* @param loopAction
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* @param loopTime
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*/
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public WeakRefHander(Callback loopAction, int loopTime) {
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super();
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this.mRef = new WeakReference<>(loopAction);
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this.mLoopTime = loopTime;
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}
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/**
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* 不循环
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*
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* @param loopAction
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*/
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public WeakRefHander(Callback loopAction) {
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super();
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mRef = new WeakReference<>(loopAction);
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mLoopTime = NO_LOOP;
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}
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@Override
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public void handleMessage(Message msg) {
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Callback action = mRef.get();
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if (action != null) {
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action.handleMessage(msg);
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if (mLoopTime != NO_LOOP) {
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sendEmptyMessageDelayed(what, mLoopTime);
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}
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}
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}
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public void start() {
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removeMessages(0);
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sendEmptyMessageDelayed(0, 0);
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}
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public void start(int what, long delay) {
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this.what = what;
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removeMessages(what);
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sendEmptyMessageDelayed(what, delay);
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}
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public void stop() {
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removeMessages(what);
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}
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public void clear() {
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removeMessages(what);
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mRef.clear();
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}
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}

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