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POAndroid creating and writing xml to file
 

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  1. POAndroid creating and writing xml to file
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    <p>I'm taking a course on android app development and trying to create and write an xml file to the internal storage on the android. I am having issues with how to set this up initially, as far as the methods. I've written most of it but have errors that I can't figure out. Maybe because I've been working on this all day, I don't know. Here's my code for this class. Errors I'm getting are illegal modifiers on public String treasures and FileOutputStream. Any help would be appreciated. </p> <p>Ok, I figured out the initial problem, needed to use try/catch. Was able to run and everything worked fine until I got to the save file. Getting an error now:</p> <pre><code>SoundPool error loading/system./media./audio./ui/KeypressReturn.ogg. AudioService Soundpool could not load file: /system/media/audio/ui/KeypressReturnj.ogg </code></pre> <p>This comes right after the "file created" is written to the log. I'm guessing it's trying to write to the wrong file? Need it to write to /data/data. There is no audio in my app. I've added the new code below:</p> <p><strong><em>Old Code:</em></strong></p> <pre><code> public void onSaveTreasureClick(View v) throws FileNotFoundException{ Log.v("SaveTreasure","Button was clicked"); File f = new File(getFilesDir(),"treasure.xml"); FileOutputStream myFile=openFileOutput(f); Log.v("WriteFile","file created"); private FileOutputStream openFileOutput(File f) { // TODO Auto-generated method stub return null; } public String treasures(Treasure treasure) throws Exception{ XmlSerializer xmlSerializer = Xml.newSerializer(); StringWriter write = new StringWriter(); final EditText tres=(EditText) findViewById(R.id.treasureNametxt); String treasureName=tres.getText().toString(); final EditText c1=(EditText) findViewById(R.id.clue1Txt); String clue1=c1.getText().toString(); final EditText c2=(EditText) findViewById(R.id.clue2Txt); String clue2=c2.getText().toString(); final EditText c3=(EditText) findViewById(R.id.clue3Txt); String clue3=c3.getText().toString(); final EditText ans=(EditText) findViewById(R.id.answerTxt); String answer = ans.getText().toString(); final EditText loc =(EditText) findViewById(R.id.locationTxt); String location = loc.getText().toString(); final EditText pv=(EditText) findViewById(R.id.pointValueTxt); String pointValue=pv.getText().toString(); xmlSerializer.setOutput(write); //start Document xmlSerializer.startDocument("UTF-8",true); //open tag &lt;items&gt; xmlSerializer.startTag("", "Items"); xmlSerializer.startTag("", "Treasures"); xmlSerializer.startTag("", "TreasureName"); xmlSerializer.attribute("", TreasureName, treasureName); xmlSerializer.endTag("", "TreasureName"); xmlSerializer.startTag("", "Clue1"); xmlSerializer.attribute("", "Clue1", clue1); xmlSerializer.endTag("", "Clue1"); xmlSerializer.startTag("", "Clue2"); xmlSerializer.attribute("", "Clue2", clue2); xmlSerializer.endTag("", "Clue2"); xmlSerializer.startTag("", "Clue3"); xmlSerializer.attribute("", "Clue3", clue3); xmlSerializer.endTag("", "Clue3"); xmlSerializer.startTag("", "answer"); xmlSerializer.attribute("", "answer", answer); xmlSerializer.endTag("","answer"); xmlSerializer.startTag("", "location"); xmlSerializer.attribute("", "location", location); xmlSerializer.endTag("", "location"); xmlSerializer.startTag("", "Points"); xmlSerializer.attribute("", "PointValue", pointValue); xmlSerializer.endTag("", "Points"); xmlSerializer.endTag("","Treasures"); xmlSerializer.endTag("", "Items"); xmlSerializer.endDocument(); return treasure.toString(); } } } </code></pre> <p><strong><em>New Code:</em></strong></p> <pre><code>public void onSaveTreasureClick(View v) throws FileNotFoundException, SAXException{ Log.v("SaveTreasure","Button was clicked"); File f = new File(getFilesDir(),"treasure.xml"); FileOutputStream myFile=openFileOutput(f); Log.v("WriteFile","file created"); // private FileOutputStream openFileOutput(File f) { // TODO Auto-generated method stub // return null; // } try{ final String treasures; XmlSerializer xmlSerializer = Xml.newSerializer(); StringWriter writer = new StringWriter(); final EditText tres=(EditText) findViewById(R.id.treasureNametxt); String treasureName=tres.getText().toString(); final EditText c1=(EditText) findViewById(R.id.clue1Txt); String clue1=c1.getText().toString(); final EditText c2=(EditText) findViewById(R.id.clue2Txt); String clue2=c2.getText().toString(); final EditText c3=(EditText) findViewById(R.id.clue3Txt); String clue3=c3.getText().toString(); final EditText ans=(EditText) findViewById(R.id.answerTxt); String answer = ans.getText().toString(); final EditText loc =(EditText) findViewById(R.id.locationTxt); String location = loc.getText().toString(); final EditText pv=(EditText) findViewById(R.id.pointValueTxt); String pointValue=pv.getText().toString(); xmlSerializer.setOutput(writer); //start Document xmlSerializer.startDocument("UTF-8",true); //open tag &lt;items&gt; xmlSerializer.startTag("", "Items"); xmlSerializer.startTag("", "Treasures"); xmlSerializer.startTag("", "TreasureName"); xmlSerializer.attribute("", treasureName, treasureName); xmlSerializer.endTag("", "TreasureName"); xmlSerializer.startTag("", "Clue1"); xmlSerializer.attribute("", "Clue1", clue1); xmlSerializer.endTag("", "Clue1"); xmlSerializer.startTag("", "Clue2"); xmlSerializer.attribute("", "Clue2", clue2); xmlSerializer.endTag("", "Clue2"); xmlSerializer.startTag("", "Clue3"); xmlSerializer.attribute("", "Clue3", clue3); xmlSerializer.endTag("", "Clue3"); xmlSerializer.startTag("", "answer"); xmlSerializer.attribute("", "answer", answer); xmlSerializer.endTag("","answer"); xmlSerializer.startTag("", "location"); xmlSerializer.attribute("", "location", location); xmlSerializer.endTag("", "location"); xmlSerializer.startTag("", "Points"); xmlSerializer.attribute("", "PointValue", pointValue); xmlSerializer.endTag("", "Points"); xmlSerializer.endTag("","Treasures"); xmlSerializer.endTag("", "Items"); xmlSerializer.endDocument(); writer.toString(); myFile.write(writer.toString().getBytes()); } catch (FileNotFoundException e) { System.err.println("FileNotFoundException: " + e.getMessage()); throw new SAXException(e); } catch (IOException e) { System.err.println("Caught IOException: " + e.getMessage()); } } </code></pre>
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    1. USShabbir Dhangot
    1. USSelli S
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    1. COstacktraces....?
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    2. COI am a newbie...sorry I don't understand.
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    3. COWhen you run code on the emulator or with your device attached to your computer, the Android Log will show a stack trace when the program crashes. It's a series of error logs that shows the chain of methods that led to an uncaught Exception.
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