工作中遇到的问题(1)

1. 无法启动application 在android 4.4 版本 上出现这个问题

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 Process: com.jingge.microlesson, PID: 17879
ava.lang.RuntimeException: Unable to instantiate application com.jingge.microlesson.MicroLessonApplication: java.lang.ClassNotFoundException: Didn't find class "com.jingge.microlesson.MicroLessonApplication" on path: DexPathList[[zip file "/data/app/com.jingge.microlesson-2.apk"],nativeLibraryDirectories=[/data/app-lib/com.jingge.microlesson-2, /vendor/lib, /system/lib, /data/datalib]]
 at android.app.LoadedApk.makeApplication(LoadedApk.java:537)
    at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4586)
  at android.app.ActivityThread.access$1800(ActivityThread.java:139)
  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316)
   at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5314)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:864)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:680)
 at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.jingge.microlesson.MicroLessonApplication" on path: DexPathList[[zip file "/data/app/com.jingge.microlesson-2.apk"],nativeLibraryDirectories=[/data/app-lib/com.jingge.microlesson-2, /vendor/lib, /system/lib, /data/datalib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:497)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:457)
at android.app.Instrumentation.newApplication(Instrumentation.java:976)
at android.app.LoadedApk.makeApplication(LoadedApk.java:532)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4586) 
 at android.app.ActivityThread.access$1800(ActivityThread.java:139) 
 at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316) 
 at android.os.Handler.dispatchMessage(Handler.java:102) 
 at android.os.Looper.loop(Looper.java:136) 
 at android.app.ActivityThread.main(ActivityThread.java:5314) 
at java.lang.reflect.Method.invokeNative(Native Method) 
at java.lang.reflect.Method.invoke(Method.java:515) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:864) 
 at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:680) 
at dalvik.system.NativeStart.main(Native Method) 
See http://g.co/androidstudio/manifest-merger for more information about the manifest merger.
    Suggestion: add 'tools:replace="android:allowBackup"' to <application> element at AndroidManifest.xml:55:5-594:19 to override

无法启动application 在android 4.4 版本 上出现这个问题 compile SDK 的版本改为13以上 就可以 了

2. Vitamio 支持64手机播放

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https://github.com/yixia/VitamioBundle/issues/305
Hi, I searched on the net these days and finally found the solution!
If you are using Android studio, just edit the gradle.properties in the root folder and addandroid.useDeprecatedNdk=true. Then edit the build.gradle file in your app's folder, set abiFilters as below:
android {
    ....
    defaultConfig {
        ....
        ndk {
            abiFilters "armeabi", "armeabi-v7a", "x86", "mips"
        }
    }
}
网络出现的问题：
sorry,this video cannot be played
√√√√
sorry,this video cannot be played
android 5.0 权限拒绝 permission deny  解决办法：
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />