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[commit] add HandlerActivity
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‎README.md

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# 常用工具类
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- 每一个Android开发者在日常开发中都会积累一些自己的代码片段。
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- 本项目就是收集一些日常开发中的常用工具类,减少功能性代码的重复编写,方便快速开发。
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- 通过封装一层工具类的好处是以后只需要修改工具类的实现，就可以替换整体的框架。
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- 参考了众多项目并加以改进和总结,如有疑问,请来信说明。
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- 每一个Android开发者在日常开发中都会积累一些自己的代码片段.
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- 本项目就是收集一些日常开发中的常用工具类,减少功能性代码的重复编写,方便快速开发.
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- 通过封装一层工具类的好处是以后只需要修改工具类的实现，就可以替换整体的框架.
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- 部分方法没有经过测试,请使用者自行测试并反馈问题.
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- 参考了众多项目并加以改进和总结,如有疑问,请来信说明.
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## app Module中的类:
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MainActivity.java 测试项目中的主类
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HandlerActivity.java Handler的正确使用方式事例
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## library Module中的类：
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- CipherUtils.java 加密工具
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* md5Encode:md5加密
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* base64Encode：Base64加密
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* captureView 截图
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* createViewBitmap 截图
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* convertViewToBitmap 截图
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* getActivityBitmap 获取Activity的截图
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* getStatusBarHeight 获取状态栏高度
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* getToolbarHeight 获取工具栏高度
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* getNavigationBarHeight 获取导航栏高度
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License
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----
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Copyright (C) 2016 android@19code.com
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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Copyright (C) 2016 android@19code.com
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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‎app/src/main/java/com/code19/androidcommon/HandlerActivity.java

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/*
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* Copyright (C) 2016 android@19code.com
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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.code19.androidcommon;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.os.PersistableBundle;
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import android.support.v7.app.AppCompatActivity;
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import java.lang.ref.WeakReference;
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/**
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* Create by h4de5ing 2016/5/10 010
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* 论Handler的正确使用方式, 参考自：https://yq.aliyun.com/articles/3009 Android 内存泄漏总结
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*/
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public class HandlerActivity extends AppCompatActivity {
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private static class MyHandler extends Handler {
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private final WeakReference<HandlerActivity> mMainActivityWeakReference;
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public MyHandler(HandlerActivity activity) {
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mMainActivityWeakReference = new WeakReference<HandlerActivity>(activity);
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}
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@Override
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public void handleMessage(Message msg) {
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super.handleMessage(msg);
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HandlerActivity activity = mMainActivityWeakReference.get();
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if (activity != null) {
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// 处理msg
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switch (msg.what) {
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case 0:
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break;
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case 1:
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break;
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case 2:
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break;
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}
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}
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}
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}
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private final MyHandler mMyHandler = new MyHandler(this);
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private static final Runnable sRunnable = new Runnable() {
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@Override
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public void run() {
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// 执行的内容
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Message message = new Message();
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message.arg1 = 1;
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}
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};
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@Override
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public void onCreate(Bundle savedInstanceState, PersistableBundle persistentState) {
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super.onCreate(savedInstanceState, persistentState);
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mMyHandler.postDelayed(sRunnable, 1000 * 6);//6秒钟后执行
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finish();
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}
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}

‎app/src/main/java/com/code19/androidcommon/MainActivity.java

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package com.code19.androidcommon;
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import android.support.v7.app.AppCompatActivity;
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import android.os.Bundle;
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import android.support.v7.app.AppCompatActivity;
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public class MainActivity extends AppCompatActivity {
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‎library/src/main/java/com/code19/library/SystemUtils.java

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/**
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* 将签名字符串转换成需要的32位签名
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*/
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private static String hexdigest(byte[] paramArrayOfByte) {
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public static String hexdigest(byte[] paramArrayOfByte) {
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final char[] hexDigits = {48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 97, 98, 99, 100, 101, 102};
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try {
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MessageDigest localMessageDigest = MessageDigest.getInstance("MD5");
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arrayOfChar[++j] = hexDigits[(k & 0xF)];
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return "";
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}
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* @param title 快捷方式标题
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* @param cls 要启动的类
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*/
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public void createDeskShortCut(Context cxt, int icon, String title, Class<?> cls) {
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public static void createDeskShortCut(Context cxt, int icon, String title, Class<?> cls) {
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// 创建快捷方式的Intent
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Intent shortcutIntent = new Intent("com.android.launcher.action.INSTALL_SHORTCUT");
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// 不允许重复创建

‎library/src/main/java/com/code19/library/ViewUtils.java

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return view.getDrawingCache();
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}
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/**
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* 获取activity的截图
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*/
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public static Bitmap getActivityBitmap(Activity activity) {
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View view = activity.getWindow().getDecorView().findViewById(android.R.id.content);
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view.setDrawingCacheEnabled(true);
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return view.getDrawingCache();
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}
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/**
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* 获取状态栏的高度
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*
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wm.getDefaultDisplay().getSize(screenSize);
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return screenSize;
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}
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}

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