java - App crashes when trying to write to file in internal storage - Android Studio -


i've been trying make app uses internal storage memory of phone. method looking like:

public void writetofile(string data,string name, context context) {     try {         fileoutputstream fos = openfileoutput(name, context.mode_private);         fos.write(data.getbytes());         fos.close();     } catch (exception e) {         e.printstacktrace();     } }

when try use writetofile method app crashes.

[edit]

i'm kinda new this mean?

    08-20 17:32:04.301 921-921/com.adamcomp.websitecreator e/androidruntime: fatal exception: main                                                                      process: com.adamcomp.websitecreator, pid: 921                                                                      java.lang.illegalargumentexception: file android.support.v7.widget.appcompatedittext{5211a9d vfed..cl. .f...... 150,514-570,605 #7f0d007c app:id/prjname}_code.txt contains path separator                                                                          @ android.app.contextimpl.makefilename(contextimpl.java:2322)                                                                          @ android.app.contextimpl.openfileoutput(contextimpl.java:466)                                                                          @ android.content.contextwrapper.openfileoutput(contextwrapper.java:197)                                                                          @ com.adamcomp.websitecreator.newproject.writetofile(newproject.java:75)                                                                          @ com.adamcomp.websitecreator.newproject$1.onclick(newproject.java:60)                                                                          @ android.view.view.performclick(view.java:5721)                                                                          @ android.widget.textview.performclick(textview.java:10949)                                                                          @ android.view.view$performclick.run(view.java:22624)                                                                          @ android.os.handler.handlecallback(handler.java:739)                                                                          @ android.os.handler.dispatchmessage(handler.java:95)                                                                          @ android.os.looper.loop(looper.java:148)                                                                          @ android.app.activitythread.main(activitythread.java:7407)                                                                          @ java.lang.reflect.method.invoke(native method)                                                                          @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1230)                                                                          @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1120) 

java.lang.illegalargumentexception: file android.support.v7.widget.appcompatedittext{5211a9d vfed..cl. .f...... 150,514-570,605 #7f0d007c app:id/prjname}_code.txt contains path separator

looks you're passing tostring() of edittext file name, , string representation contains invalid characters.

instead, text content inside edittext, call gettext() obtain editable , call tostring() on that. if have

edittext.tostring()

change to

edittext.gettext().tostring()

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