Android9.0 使用 AndroidVideoCache 时不能缓存/播放视频的解决
一、问题现象:
项目中使用 https://github.com/danikula/AndroidVideoCache 作为视频缓存组件,但是在9.0手机上无法正常缓存,并且报错:
1、详细错误截图
2、详细错误文本描述
2018-11-16 14:35:19.781 31012-32296/com.xxx.xxx E/Pinger: Error reading ping response
com.danikula.videocache.ProxyCacheException: Error opening connection for http://127.0.0.1:34851/ping with offset 0. Version: 2.7.0
at com.danikula.videocache.HttpUrlSource.open(HttpUrlSource.java:75)
at com.danikula.videocache.Pinger.pingServer(Pinger.java:101)
at com.danikula.videocache.Pinger.access$100(Pinger.java:33)
at com.danikula.videocache.Pinger$PingCallable.call(Pinger.java:123)
at com.danikula.videocache.Pinger$PingCallable.call(Pinger.java:119)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:784)
Caused by: java.io.IOException: Cleartext HTTP traffic to 127.0.0.1 not permitted
at com.android.okhttp.HttpHandler$CleartextURLFilter.checkURLPermitted(HttpHandler.java:115)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:458)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:407)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:538)
at com.danikula.videocache.HttpUrlSource.openConnection(HttpUrlSource.java:160)
at com.danikula.videocache.HttpUrlSource.open(HttpUrlSource.java:68)
at com.danikula.videocache.Pinger.pingServer(Pinger.java:101)
at com.danikula.videocache.Pinger.access$100(Pinger.java:33)
at com.danikula.videocache.Pinger$PingCallable.call(Pinger.java:123)
at com.danikula.videocache.Pinger$PingCallable.call(Pinger.java:119)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:784)
2018-11-16 14:35:19.783 31012-31012/com.xxx.xxx E/Pinger: Error pinging server (attempts: 3, max timeout: 280). If you see this message, please, report at https://github.com/danikula/AndroidVideoCache/issues/134. Default proxies are: [DIRECT]
com.danikula.videocache.ProxyCacheException: Error pinging server (attempts: 3, max timeout: 280). If you see this message, please, report at https://github.com/danikula/AndroidVideoCache/issues/134. Default proxies are: [DIRECT]. Version: 2.7.0
at com.danikula.videocache.Pinger.ping(Pinger.java:73)
at com.danikula.videocache.HttpProxyCacheServer.isAlive(HttpProxyCacheServer.java:183)
at com.danikula.videocache.HttpProxyCacheServer.<init>(HttpProxyCacheServer.java:82)
at com.danikula.videocache.HttpProxyCacheServer.<init>(HttpProxyCacheServer.java:67)
at com.xxx.mqtt.tools.CusApplication.newProxy(CusApplication.java:192)
at com.xxx.mqtt.tools.CusApplication.getProxy(CusApplication.java:182)
at com.xxx.video.activity.VideoPreviewActivity.onCreate(VideoPreviewActivity.java:59)
at android.app.Activity.performCreate(Activity.java:7444)
at android.app.Activity.performCreate(Activity.java:7434)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1286)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3269)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3474)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:86)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2115)
at android.os.Handler.dispatchMessage(Handler.java:109)
at android.os.Looper.loop(Looper.java:207)
at android.app.ActivityThread.main(ActivityThread.java:7439)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:958)
二、问题原因:
根本原因是从Android9.0开始,出于完全因素考虑,默认不再支持http网络请求,需要使用 https。
但是,在AndroidVideoCache中使用了一个缓存代理地址:http://127.0.0.1,所以,就会报错。
三、解决方案:
解决的基本思路是:对指定的网址进行过滤,强制允许指定网址继续使用http请求
- 参考地址1: https://stackoverflow.com/questions/45940861/android-8-cleartext-http-traffic-not-permitted
- 参考地址2:https://developer.android.com/training/articles/security-config#CleartextTrafficPermitted
- 参考地址3: https://koz.io/android-m-and-the-war-on-cleartext-traffic/
下列解决步骤基于参考地址1整理:
1、步骤1
A:创建 res/xml/networksecurityconfig.xml
<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
<domain-config cleartextTrafficPermitted="true">
<domain includeSubdomains="true">Your URL(ex: 127.0.0.1)</domain>
</domain-config>
</network-security-config>
注意: 上述代码的意思是解除对指定网址的限制。
在解除上述视频缓存库报错信息时,节点的具体取值如下:
<domain includeSubdomains="true"> 127.0.0.1</domain>
如果需要过滤某个地址,则只写域名即可,不需要写 http://,如:想过滤的地址为:http://www.baidu.com/123,则节点如下:
<domain includeSubdomains="true"> www.baidu.com</domain>
B:修改 AndroidManifest.xml
配置 android:networkSecurityConfig
<?xml version="1.0" encoding="utf-8"?>
<manifest ...>
<uses-permission android:name="android.permission.INTERNET" />
<application
...
android:networkSecurityConfig="@xml/network_security_config"
...>
...
</application>
</manifest>
2、步骤2
A:修改AndroidManifest.xml
启用 android:usesCleartextTraffic
<?xml version="1.0" encoding="utf-8"?>
<manifest ...>
<uses-permission android:name="android.permission.INTERNET" />
<application
...
android:usesCleartextTraffic="true"
...>
...
</application>
</manifest>
3、步骤3
在 @david.s'的回答中指出 android:targetSandboxVersion
也可能会导致该问题 -
在 Manifest Docs https://developer.android.com/guide/topics/manifest/manifest-element#targetSandboxVersion中对于 android:targetSandboxVersion
有如下描述
android:targetSandboxVersion The target sandbox for this app to use. The higher the sandbox version number, the higher the level of security. Its default value is 1; you can also set it to 2. Setting this attribute to 2 switches the app to a different SELinux sandbox. The following restrictions apply to a level 2 sandbox: The default value of usesCleartextTraffic in the Network Security Config is false. Uid sharing is not permitted.
所以,如果你在 AndroidManifest.xml 的节点中配置了 android:targetSandboxVersion
,需要将它的值置为1.
A:修改AndroidManifest.xml
降低 android:targetSandboxVersion 的版本
<?xml version="1.0" encoding="utf-8"?>
<manifest android:targetSandboxVersion="1">
<uses-permission android:name="android.permission.INTERNET" />
...
</manifest>
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