The problem is when I enter a string or a name in the edittext, it cannot be appeared in the textview after i press the button "Send request". I don't know how to fix it.
Please help me!
package com.androidexample.httpgetexample;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
public class HttpGetAndroidExample extends Activity {
TextView content;
EditText userID;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_http_get_android_example);
content = (TextView) findViewById(R.id.content);
userID = (EditText) findViewById(R.id.user);
Button saveme = (Button) findViewById(R.id.save);
saveme.setOnClickListener(new Button.OnClickListener() {
public void onClick(View v) {
// ALERT MESSAGE
Toast.makeText(getBaseContext(),
"Please wait, connecting to server.", Toast.LENGTH_LONG)
.show();
try {
String userIDValue = URLEncoder.encode(userID.getText().toString(), "UTF-8");
// HttpClient Client = new DefaultHttpClient();
String URL = "http://140.113.241.10:9000/request?userID="
+ userIDValue;
new HttpAsyncTask().execute(URL);
} catch (UnsupportedEncodingException ex) {
content.setText("Fail");
}
}
});
}
public static String GET(String url) {
InputStream inputStream = null;
String response = new String();
// result="";
try {
if (inputStream != null)
response = convertInputStreamToString(inputStream);
else
response = "Did not work!";
} catch (Exception e) {
Log.d("InputStream", e.getLocalizedMessage());
}
return response;
}
private static String convertInputStreamToString(InputStream inputStream)
throws IOException {
BufferedReader bufferedReader = new BufferedReader(
new InputStreamReader(inputStream));
String line = "";
// String result = "";
StringBuilder result = new StringBuilder();
while ((line = bufferedReader.readLine()) != null)
result.append(line + "\n");
inputStream.close();
return result.toString();
}
private class HttpAsyncTask extends AsyncTask<String, Void, String> {
@Override
protected String doInBackground(String... urls) {
return GET(urls[0]);
}
// onPostExecute displays the results of the AsyncTask.
@Override
protected void onPostExecute(String result) {
Toast.makeText(getBaseContext(), "Received!", Toast.LENGTH_LONG)
.show();
content.setText(result);
// String type = mainObject.getString("capsuleType");
}
}
}
