Android Question no such file or directory

Douglas Farias · Apr 30, 2014

hi i m using this code to write a simple ini file
and i have this error
no such file or directory

but File.DirAssets dont is my app folder?

B4X:

File.WriteString(File.DirAssets, "config.ini", "teste=casa")

stevel05 · Apr 30, 2014

You can't write to File.DirAssets, I would imagine you want File.DirDefaultExternal, which is your apps data directory.

Douglas Farias · Apr 30, 2014

a ok thx man

Douglas Farias · Apr 30, 2014

B4X:

      If File.Exists(File.DirDefaultExternal, "clickfight" ) = False Then
      File.MakeDir(File.DirDefaultExternal, "clickfight")  
      Else If File.IsDirectory(File.DirDefaultExternal,"clickfight") Then
      FP = File.Combine(File.DirDefaultExternal,"clickfight")
      Else
      FP = File.DirDefaultExternal
      End If

      File.WriteString(FP, "config.ini", "teste=casa")

how to fix

B4X:

java.io.FileNotFoundException: /config.ini: open failed: EROFS (Read-only file system)

LogCat connected to: B4A-Bridge: alps S6-123456789026263
--------- beginning of /dev/log/main
--------- beginning of /dev/log/system
Installing file.
PackageAdded: package:click.fight.vallow
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
** Activity (main) Pause, UserClosed = false **
** Activity (perfil) Create, isFirst = true **
java.io.FileNotFoundException: /AssetsDir/config.ini: open failed: ENOENT (No such file or directory)
at libcore.io.IoBridge.open(IoBridge.java:448)
at java.io.FileOutputStream.<init>(FileOutputStream.java:88)
at anywheresoftware.b4a.objects.streams.File.OpenOutput(File.java:348)
at anywheresoftware.b4a.objects.streams.File.WriteString(File.java:246)
at click.fight.vallow.perfil._activity_create(perfil.java:359)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:173)
at click.fight.vallow.perfil.afterFirstLayout(perfil.java:98)
at click.fight.vallow.perfil.access$100(perfil.java:16)
at click.fight.vallow.perfil$WaitForLayout.run(perfil.java:76)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4508)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:809)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:576)
at dalvik.system.NativeStart.main(Native Method)
Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)
at libcore.io.Posix.open(Native Method)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
at libcore.io.IoBridge.open(IoBridge.java:432)
... 19 more
java.io.FileNotFoundException: /AssetsDir/config.ini: open failed: ENOENT (No such file or directory)
sending message to waiting queue (CallSubDelayed - teste)
Installing file.
** Activity (perfil) Pause, UserClosed = false **
sending message to waiting queue (hc_responsesuccess)
PackageAdded: package:click.fight.vallow
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
** Activity (main) Pause, UserClosed = false **
** Activity (perfil) Create, isFirst = true **
java.io.FileNotFoundException: /AssetsDir/config.ini: open failed: ENOENT (No such file or directory)
at libcore.io.IoBridge.open(IoBridge.java:448)
at java.io.FileOutputStream.<init>(FileOutputStream.java:88)
at anywheresoftware.b4a.objects.streams.File.OpenOutput(File.java:348)
at anywheresoftware.b4a.objects.streams.File.WriteString(File.java:246)
at click.fight.vallow.perfil._activity_create(perfil.java:481)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:173)
at click.fight.vallow.perfil.afterFirstLayout(perfil.java:98)
at click.fight.vallow.perfil.access$100(perfil.java:16)
at click.fight.vallow.perfil$WaitForLayout.run(perfil.java:76)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4508)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:809)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:576)
at dalvik.system.NativeStart.main(Native Method)
Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)
at libcore.io.Posix.open(Native Method)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
at libcore.io.IoBridge.open(IoBridge.java:432)
... 19 more
java.io.FileNotFoundException: /AssetsDir/config.ini: open failed: ENOENT (No such file or directory)
sending message to waiting queue (CallSubDelayed - teste)
Installing file.
** Activity (perfil) Pause, UserClosed = false **
sending message to waiting queue (hc_responsesuccess)
PackageAdded: package:click.fight.vallow
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
** Activity (main) Pause, UserClosed = false **
** Activity (perfil) Create, isFirst = true **
java.io.FileNotFoundException: /config.ini: open failed: EROFS (Read-only file system)
at libcore.io.IoBridge.open(IoBridge.java:448)
at java.io.FileOutputStream.<init>(FileOutputStream.java:88)
at anywheresoftware.b4a.objects.streams.File.OpenOutput(File.java:348)
at anywheresoftware.b4a.objects.streams.File.WriteString(File.java:246)
at click.fight.vallow.perfil._activity_create(perfil.java:495)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:173)
at click.fight.vallow.perfil.afterFirstLayout(perfil.java:98)
at click.fight.vallow.perfil.access$100(perfil.java:16)
at click.fight.vallow.perfil$WaitForLayout.run(perfil.java:76)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4508)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:809)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:576)
at dalvik.system.NativeStart.main(Native Method)
Caused by: libcore.io.ErrnoException: open failed: EROFS (Read-only file system)
at libcore.io.Posix.open(Native Method)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
at libcore.io.IoBridge.open(IoBridge.java:432)
... 19 more
java.io.FileNotFoundException: /config.ini: open failed: EROFS (Read-only file system)
sending message to waiting queue (CallSubDelayed - teste)
Installing file.
** Activity (perfil) Pause, UserClosed = false **
sending message to waiting queue (hc_responsesuccess)
PackageAdded: package:click.fight.vallow
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
** Activity (main) Pause, UserClosed = false **
** Activity (perfil) Create, isFirst = true **
java.io.FileNotFoundException: /config.ini: open failed: EROFS (Read-only file system)
at libcore.io.IoBridge.open(IoBridge.java:448)
at java.io.FileOutputStream.<init>(FileOutputStream.java:88)
at anywheresoftware.b4a.objects.streams.File.OpenOutput(File.java:348)
at anywheresoftware.b4a.objects.streams.File.WriteString(File.java:246)
at click.fight.vallow.perfil._activity_create(perfil.java:493)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:173)
at click.fight.vallow.perfil.afterFirstLayout(perfil.java:98)
at click.fight.vallow.perfil.access$100(perfil.java:16)
at click.fight.vallow.perfil$WaitForLayout.run(perfil.java:76)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4508)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:809)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:576)
at dalvik.system.NativeStart.main(Native Method)
Caused by: libcore.io.ErrnoException: open failed: EROFS (Read-only file system)
at libcore.io.Posix.open(Native Method)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
at libcore.io.IoBridge.open(IoBridge.java:432)
... 19 more
java.io.FileNotFoundException: /config.ini: open failed: EROFS (Read-only file system)
sending message to waiting queue (CallSubDelayed - teste)
Installing file.
** Activity (perfil) Pause, UserClosed = false **
sending message to waiting queue (hc_responsesuccess)
PackageAdded: package:click.fight.vallow
** Activity (main) Create, isFirst = true **
** Activity (main) Resume **
** Activity (main) Pause, UserClosed = false **
** Activity (perfil) Create, isFirst = true **
java.io.FileNotFoundException: /config.ini: open failed: EROFS (Read-only file system)
at libcore.io.IoBridge.open(IoBridge.java:448)
at java.io.FileOutputStream.<init>(FileOutputStream.java:88)
at anywheresoftware.b4a.objects.streams.File.OpenOutput(File.java:348)
at anywheresoftware.b4a.objects.streams.File.WriteString(File.java:246)
at click.fight.vallow.perfil._activity_create(perfil.java:493)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:173)
at click.fight.vallow.perfil.afterFirstLayout(perfil.java:98)
at click.fight.vallow.perfil.access$100(perfil.java:16)
at click.fight.vallow.perfil$WaitForLayout.run(perfil.java:76)
at android.os.Handler.handleCallback(Handler.java:605)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4508)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:809)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:576)
at dalvik.system.NativeStart.main(Native Method)
Caused by: libcore.io.ErrnoException: open failed: EROFS (Read-only file system)
at libcore.io.Posix.open(Native Method)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
at libcore.io.IoBridge.open(IoBridge.java:432)
... 19 more
java.io.FileNotFoundException: /config.ini: open failed: EROFS (Read-only file system)
sending message to waiting queue (CallSubDelayed - teste)

DonManfred · Apr 30, 2014

do your app has permissions to write to external storage?

Douglas Farias · Apr 30, 2014

I actually forgot it *-*

added this

B4X:

AddPermission(android.permission.WRITE_EXTERNAL_STORAGE)

and work

thx stevel and DomManfred

stevel05 · Apr 30, 2014

Try this:

B4X:

If File.Exists(File.DirDefaultExternal, "clickfight" ) = False Then
      File.MakeDir(File.DirDefaultExternal, "clickfight")
      FP = File.Combine(File.DirDefaultExternal,"clickfight")
    Else
        If File.IsDirectory(File.DirDefaultExternal,"clickfight") Then
              FP = File.Combine(File.DirDefaultExternal,"clickfight")
          Else
              FP = File.DirDefaultExternal
          End If
    End If
    File.WriteString(FP, "config.ini", "teste=casa")

You had a hole in your if statements, when creating the directory, you didn't update FP.

powerino · Jul 26, 2018

Hi, where add this code?

AddPermission(android.permission.WRITE_EXTERNAL_STORAGE)

DonManfred · Jul 26, 2018

Manifesteditor

For the future: Please start a new Thread in the Questionsforum for any new Question.
Never post to existing threads.

Android Question no such file or directory

Douglas Farias

Expert

stevel05

Expert

Douglas Farias

Expert

Douglas Farias

Expert

DonManfred

Expert

Douglas Farias

Expert

stevel05

Expert

powerino

Active Member

DonManfred

Expert

Android Question no such file or directory

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Active Member

Expert

Privacy & Transparency

Privacy & Transparency