안녕하세요..


이상하게 아래와 같이 구성해서 하면 문제가 발생합니다.

권한이 없다고 나타나는데 왜 이러는지 모르겠네요..

혹시 아시는 분 답변 부탁드립니다.


sdcard를 단말에 넣고 파일 하나를 읽으려 합니다.

Environment.getExternalStorageDirectory() 이 함수의 결과는 "/mnt/sdcard" 로 넘어옵니다.


코드는 아래와 같습니다.

		BufferedReader bufferReader = null; 
		FileInputStream fis; 
		String strPath=null;
		try {
      	             File path = new File(Environment.getExternalStorageDirectory() + "/aaa.txt");
	             fis = new FileInputStream(path);
  	             bufferReader = new BufferedReader(new InputStreamReader(fis));
	             strPath = bufferReader.readLine();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
                } catch (IOException e) {
			e.printStackTrace();
		}	

권한은 
   <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
와 같이 줬습니다.
그런데 아래와 같은 에러가 발생하네요.
10-28 16:55:46.472: WARN/System.err(5786): java.io.FileNotFoundException: /mnt/sdcard/aaa.txt (Permission denied)
10-28 16:55:46.472: WARN/System.err(5786):     at org.apache.harmony.luni.platform.OSFileSystem.openImpl(Native Method)
10-28 16:55:46.472: WARN/System.err(5786):     at org.apache.harmony.luni.platform.OSFileSystem.open(OSFileSystem.java:152)
10-28 16:55:46.472: WARN/System.err(5786):     at java.io.FileInputStream.<init>(FileInputStream.java:82)
10-28 16:55:46.472: WARN/System.err(5786):     at com.skt.RAgent.Agent.chkUrl(RAgent.java:552)
10-28 16:55:46.472: WARN/System.err(5786):     at com.skt.RAgent.Agent.onCreate(RAgent.java:579)
10-28 16:55:46.472: WARN/System.err(5786):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
10-28 16:55:46.476: WARN/System.err(5786):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
10-28 16:55:46.476: WARN/System.err(5786):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
10-28 16:55:46.476: WARN/System.err(5786):     at android.app.ActivityThread.access$2300(ActivityThread.java:125)
10-28 16:55:46.476: WARN/System.err(5786):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
10-28 16:55:46.476: WARN/System.err(5786):     at android.os.Handler.dispatchMessage(Handler.java:99)
10-28 16:55:46.476: WARN/System.err(5786):     at android.os.Looper.loop(Looper.java:123)
10-28 16:55:46.476: WARN/System.err(5786):     at android.app.ActivityThread.main(ActivityThread.java:4627)
10-28 16:55:46.476: WARN/System.err(5786):     at java.lang.reflect.Method.invokeNative(Native Method)
10-28 16:55:46.476: WARN/System.err(5786):     at java.lang.reflect.Method.invoke(Method.java:521)
10-28 16:55:46.476: WARN/System.err(5786):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:871)
10-28 16:55:46.476: WARN/System.err(5786):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:629)
10-28 16:55:46.476: WARN/System.err(5786):     at dalvik.system.NativeStart.main(Native Method)