我有一个移动应用程序,用于搜索连接到 Web 服务的定义。当前输出以吐司弹出的形式出现,但我希望它出现在文本视图中以使其看起来更好、更具可读性。
public class Definition extends Activity {
Button btnSend, btnSaveFave, btnReturn;
EditText enterDefinition;
//String wordRecieved;
private InputStream OpenHttpConnection(String urlString)
throws IOException
{
InputStream in = null;
int response = -1;
URL url = new URL(urlString);
URLConnection conn = url.openConnection();
if (!(conn instanceof HttpURLConnection))
throw new IOException("Not an HTTP connection");
try{
HttpURLConnection httpConn = (HttpURLConnection) conn;
httpConn.setAllowUserInteraction(false);
httpConn.setInstanceFollowRedirects(true);
httpConn.setRequestMethod("GET");
httpConn.connect();
response = httpConn.getResponseCode();
if (response == HttpURLConnection.HTTP_OK) {
in = httpConn.getInputStream();
}
}
catch (Exception ex)
{
Log.d("Networking", ex.getLocalizedMessage());
throw new IOException("Error connecting");
}
return in;
}
private String WordDefinition(String word) {
InputStream in = null;
String strDefinition = "";
//wordRecieved = word;
try {
in = OpenHttpConnection(
"http://services.aonaware.com/DictService/DictService.asmx/Define?word=" + word);
Document doc = null;
DocumentBuilderFactory dbf =
DocumentBuilderFactory.newInstance();
DocumentBuilder db;
try {
db = dbf.newDocumentBuilder();
doc = db.parse(in);
} catch (ParserConfigurationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
doc.getDocumentElement().normalize();
//---retrieve all the <Definition> elements---
NodeList definitionElements =
doc.getElementsByTagName("Definition");
//---iterate through each <Definition> elements---
for (int i = 0; i < definitionElements.getLength(); i++) {
Node itemNode = definitionElements.item(i);
if (itemNode.getNodeType() == Node.ELEMENT_NODE)
{
//---convert the Definition node into an Element---
Element definitionElement = (Element) itemNode;
//---get all the <WordDefinition> elements under
// the <Definition> element---
NodeList wordDefinitionElements =
(definitionElement).getElementsByTagName(
"WordDefinition");
strDefinition = "";
//---iterate through each <WordDefinition> elements---
for (int j = 0; j < wordDefinitionElements.getLength(); j++) {
//---convert a <WordDefinition> node into an Element---
Element wordDefinitionElement =
(Element) wordDefinitionElements.item(j);
//---get all the child nodes under the
// <WordDefinition> element---
NodeList textNodes =
((Node) wordDefinitionElement).getChildNodes();
strDefinition +=
((Node) textNodes.item(0)).getNodeValue() + ". \n";
}
}
}
} catch (IOException e1) {
Log.d("NetworkingActivity", e1.getLocalizedMessage());
}
//---return the definitions of the word---
return strDefinition;
}
private class AccessWebServiceTask extends AsyncTask<String, Void, String> {
protected String doInBackground(String... urls) {
return WordDefinition(urls[0]);
}
protected void onPostExecute(String result)
{
//I think the this is where the output problem is however im unsure
//enterDefinition.setText(result);
Toast.makeText(getBaseContext(), result, Toast.LENGTH_LONG).show();
}
}