我正在向SDCard寫入文件,並將其設置爲<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
它可以正常工作到3.x,但在4.0上它提供了以下錯誤。Android中的文件寫入權限錯誤
java.io.IOException: open failed: EACCES (Permission denied)
at java.io.File.createNewFile(File.java:940)
at com.gt.mLearning.app.VideoViewActivity.copyFile(VideoViewActivity.java:204)
at com.gt.mLearning.app.VideoViewActivity.access$3(VideoViewActivity.java:193)
at com.gt.mLearning.app.VideoViewActivity$Loader.doInBackground(VideoViewActivity.java:61)
at com.gt.mLearning.app.VideoViewActivity$Loader.doInBackground(VideoViewActivity.java:1)
at android.os.AsyncTask$2.call(AsyncTask.java:264)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
at java.util.concurrent.FutureTask.run(FutureTask.java:137)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
at java.lang.Thread.run(Thread.java:856)
Caused by: libcore.io.ErrnoException: open failed: EACCES (Permission denied)
at libcore.io.Posix.open(Native Method)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
at java.io.File.createNewFile(File.java:933)
任何幫助或建議?
羅希特
您正在使用模擬器或設備進行檢查嗎? – Ponmalar 2012-08-07 12:35:06