新手开发中遇到的问题

[qq_35874950]

08-26 11:19:36.113 18522-18522/com.example.administrator.myvideodemo E/Trace: error opening trace file: No such file or directory (2)
08-26 11:19:36.223 18522-18522/com.example.administrator.myvideodemo W/dalvikvm: Refusing to reopen boot DEX '/system/framework/hwframework.jar'
08-26 11:19:36.333 18522-18522/com.example.administrator.myvideodemo W/dalvikvm: VFY: unable to find class referenced in signature (Landroid/view/SearchEvent;)
08-26 11:19:36.353 18522-18522/com.example.administrator.myvideodemo W/dalvikvm: VFY: unable to resolve interface method 14383: Landroid/view/Window$Callback;.onSearchRequested (Landroid/view/SearchEvent;)Z
08-26 11:19:36.353 18522-18522/com.example.administrator.myvideodemo W/dalvikvm: VFY: unable to resolve interface method 14387: Landroid/view/Window$Callback;.onWindowStartingActionMode (Landroid/view/ActionMode$Callback;I)Landroid/view/ActionMode;
08-26 11:19:36.573 18522-18525/com.example.administrator.myvideodemo E/dalvikvm: GC_CONCURRENT freed 202K, 7% free 8484K/9031K, paused 13ms+3ms, total 37ms
08-26 11:19:36.593 18522-18522/com.example.administrator.myvideodemo W/System.err: Invalid int: ""
08-26 11:19:36.703 18522-18522/com.example.administrator.myvideodemo I/Adreno200-EGL: <qeglDrvAPI_eglInitialize:299>: EGL 1.4 QUALCOMM build: AU_LINUX_ANDROID_JB_REL_2.0.3.04.01.02.21.107_msm8625_JB_REL_2.0.3_CL3357771_release_AU (CL3357771)
Build Date: 02/25/13 Mon
Local Branch:
Remote Branch: quic/jb_rel_2.0.3
Local Patches: NONE
Reconstruct Branch: AU_LINUX_ANDROID_JB_REL_2.0.3.04.01.02.21.107 + NOTHING
08-26 11:19:37.663 18522-18522/com.example.administrator.myvideodemo I/Choreographer: Skipped 61 frames! The application may be doing too much work on its main thread.
08-26 11:19:53.853 18522-18522/com.example.administrator.myvideodemo I/System.out: /storage/sdcard0/20160826111944.mp4
08-26 11:19:53.883 18522-18522/com.example.administrator.myvideodemo E/MediaMetadataRetrieverJNI: getFrameAtTime: videoFrame is a NULL pointer
08-26 11:19:54.133 18522-18522/com.example.administrator.myvideodemo W/MediaRecorder: mediarecorder went away with unhandled events
08-26 11:19:54.133 18522-18522/com.example.administrator.myvideodemo W/MediaRecorder: mediarecorder went away with unhandled events

这是我在开发一个视频录制项目中遇到的问题。
请各位大神帮忙解答一下。

[网易云捕]

最上面两条异常信息，已经说的很明白了，打开文件出问题了

[Alan_Mo]

你贴点代码出来看看，定位一下问题在哪。这里只能给你看出来是文件打开出错，要么压根没这个文件而且你没有创建。关于视频录制，你可以看看我的一篇博客，里面有demo链接：http://blog.csdn.net/alanjet/article/details/52137207

[mhq42978]

第一个Error Log已经说了啊，文件或文件夹不存在 楼主把代码贴出来才知道是什么问题嘛