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README
LGPL-3.0

Droid Plugin

DroidPlugin 是Andy Zhang在Android系统上实现了一种新的 插件机制 :它可以在无需安装、修改的情况下运行APK文件,此机制对改进大型APP的架构,实现多团队协作开发具有一定的好处。

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为了让跟多的人参与到此项目,我们把项目迁移到一个新的组织DroidPlugin。 项目新地址:DroidPlugin

定义:

HOST程序:插件的宿主。

插件:免安装运行的APK

限制和缺陷:

  1. 无法在插件中发送具有自定义资源的Notification,例如: a. 带自定义RemoteLayout的Notification b. 图标通过R.drawable.XXX指定的通知(插件系统会自动将其转化为Bitmap)
  2. 无法在插件中注册一些具有特殊Intent Filter的ServiceActivityBroadcastReceiverContentProvider等组件以供Android系统、已经安装的其他APP调用。
  3. 缺乏对Native层的Hook,对某些带native代码的apk支持不好,可能无法运行。比如一部分游戏无法当作插件运行。

特点:

  1. 支持Androd 2.3以上系统
  2. 插件APK完全不需做任何修改,可以独立安装运行、也可以做插件运行。要以插件模式运行某个APK,你无需重新编译、无需知道其源码。
  3. 插件的四大组件完全不需要在Host程序中注册,支持Service、Activity、BroadcastReceiver、ContentProvider四大组件
  4. 插件之间、Host程序与插件之间会互相认为对方已经"安装"在系统上了。
  5. API低侵入性:极少的API。HOST程序只是需要一行代码即可集成Droid Plugin
  6. 超强隔离:插件之间、插件与Host之间完全的代码级别的隔离:不能互相调用对方的代码。通讯只能使用Android系统级别的通讯方法。
  7. 支持所有系统API
  8. 资源完全隔离:插件之间、与Host之间实现了资源完全隔离,不会出现资源窜用的情况。
  9. 实现了进程管理,插件的空进程会被及时回收,占用内存低。
  10. 插件的静态广播会被当作动态处理,如果插件没有运行(即没有插件进程运行),其静态广播也永远不会被触发。

使用方法:

集成

在host中集成Droid Plugin项目非常简单:

  1. 我们只需要将Droid Plugin当作一个lib工程应用到主项目中,然后:

  2. AndroidManifest.xml中使用插件的com.morgoo.droidplugin.PluginApplication

     <application android:name="com.morgoo.droidplugin.PluginApplication" 
     			 android:label="@string/app_name"
     			 android:icon="@drawable/ic_launcher" 
  3. 如果你使用自定义的Application,那么你需要在自定义的Application class onCreateattachBaseContext方法中添加如下代码:

     @Override
     public void onCreate() {
         super.onCreate();
         //这里必须在super.onCreate方法之后,顺序不能变
         PluginHelper.getInstance().applicationOnCreate(getBaseContext());
     }
       
     @Override
     protected void attachBaseContext(Context base) {
         PluginHelper.getInstance().applicationAttachBaseContext(base);
         super.attachBaseContext(base);
     }
  4. 修改 Libraries\DroidPlugin\build.gradle 的 defaultConfig 配置中 authorityName 的值(建议改为自己的包名+标识,防止跟其它本插件使用者冲突)

  5. 集成完成。

安装、卸载插件:

  1. 安装、更新插件,使用如下方法:

     int PluginManager.getInstance().installPackage(String filepath, int flags)

    说明:安装插件到插件系统中,filepath为插件apk路径,flags可以设置为0,如果要更新插件,则设置为PackageManagerCompat.INSTALL_REPLACE_EXISTING返回值及其含义请参见PackageManagerCompat类中的相关字段。

  2. 卸载插件,使用如下方法:

     int PluginManager.getInstance().deletePackage(String packageName,int flags);

    说明:从插件系统中卸载某个插件,packageName传插件包名即可,flags传0。

  3. 启动插件:启动插件的ActivityService等都和你启动一个以及安装在系统中的app一样,使用系统提供的相关API即可。组件间通讯也是如此。

实现原理:

请参见源码或者感兴趣的可以瞅瞅DOC目录下开源分析文章

FAQ

FAQ

谁在使用:

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如果想要您的项目展示在这里,请发送邮件到zhangyong232#gmail.com

支持:

任何问题可以在项目中提交bug报告,也可以发送邮件以寻求帮助。
QQ群:318901026
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