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POAndroid: Write a xml on SD-Card
 

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    <p>I have a problem with my android-app. I want to save a Data-list in a <strong>xml</strong> and save it to <strong>SD-Card</strong>.</p> <p>Here the code fragment from my activity:</p> <pre><code> Button btnActivity = (Button)findViewById(R.id.modul_save); btnActivity.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Handlerlist templist=new Handlerlist(); //default-constructor for handlerlist Parser_Writer temp_parser=new Parser_Writer(); //default-constructor for praser(writing) templist.add_modul(name, abk, 1, 0, "Hallo", room, 1, 2, 3, 1.3, true); //save input-data in the list temp_parser.write_xml(templist); //calls the parser(writing) Intent in = new Intent(modul_create.this,modul_overview.class); startActivity(in); } }); </code></pre> <p>This is my parser:</p> <pre><code>public class Parser_Writer { public Parser_Writer(){ } public void write_xml(Handlerlist h){ XStream xstream = new XStream(new DomDriver()); try { String xml = xstream.toXML(h); String path=Environment.getExternalStorageDirectory().toString(); File myXml= new File(path+"new.xml"); myXml.createNewFile(); FileWriter fileIO =new FileWriter(myXml); fileIO.write("&lt;?xml version='1.0' encoding='utf-8'?&gt;"); fileIO.write(xml.toString()); fileIO.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } </code></pre> <p>}</p> <p>I also add the <code>android.permission.WRITE_EXTERNAL_STORAGE</code>... but i can not write on my storage!! I got the following logcat-message:</p> <pre><code>java.io.IOException: Read-only file system at java.io.File.createNewFileImpl(Native Method) at java.io.File.createNewFile(File.java:1160) at Parser.Parser_Writer.write_xml(Parser_Writer.java:38) at StundentenApp.main.modul_create$1.onClick(modul_create.java:51) at android.view.View.performClick(View.java:2408) at android.view.View$PerformClick.run(View.java:8816) at android.os.Handler.handleCallback(Handler.java:587) at android.os.Handler.dispatchMessage(Handler.java:92) at android.os.Looper.loop(Looper.java:123) at android.app.ActivityThread.main(ActivityThread.java:4627) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:521) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) at dalvik.system.NativeStart.main(Native Method) </code></pre> <p>Someone here who could help me?</p> <p>Thanks!</p>
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