I'm working on connecting mobile app and server Apache. I tried debug and solved all the misspelling, I think. This is my code, please help:
@Override
protected void onPostExecute(JSONObject json) {
// Checks for success message
try {
Log.e(KEY_ERROR, "Comes to Here");
if (json.getString(KEY_SUCCESS) != null) {
registerErrorMsg.setText("");
String res = json.getString(KEY_SUCCESS);
String red = json.getString(KEY_ERROR);
if (Integer.parseInt(res) == 1) {
pDialog.setTitle("Getting Data");
pDialog.setMessage("Loading Info");
registerErrorMsg.setText("Successfully Registerd");
DatabaseHandler db = new DatabaseHandler(getApplicationContext());
JSONObject json_user = json.getJSONObject("user");
// Removes all the previous data in the SQlite database
UserFunctions logout = new UserFunctions();
logout.logoutUser(getApplicationContext());
db.addUser(json_user.getString(KEY_FIRSTNAME), json_user.getString(KEY_LASTNAME), json_user.getString(KEY_EMAIL), json_user.getString(KEY_USERNAME), json_user.getString(KEY_UID), json_user.getString(KEY_CREATED_AT));
// Stores registered data in SQLite Database
//Launch Registered screen
Intent registered = new Intent(getApplicationContext(), Registered.class);
// Close all views before launching Registered Screen
registered.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
pDialog.dismiss();
startActivity(registered);
finish();
} else if (Integer.parseInt(red) == 2) {
pDialog.dismiss();
registerErrorMsg.setText("User already exists");
} else if (Integer.parseInt(red) == 3) {
pDialog.dismiss();
registerErrorMsg.setText("Invalid Email id");
} else {
pDialog.dismiss();
registerErrorMsg.setText("Error occurred in registration");
}
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}
public void NetAsync(View view){
new NetCheck().execute();
}
logcat:
09-04 15:07:53.245 1995-1995/com.knedl.testloginapp E/error﹕ Comes to Here
09-04 15:07:53.245 1995-1995/com.knedl.testloginapp D/AndroidRuntime﹕ Shutting down VM
09-04 15:07:53.245 1995-1995/com.knedl.testloginapp W/dalvikvm﹕ threadid=1: thread exiting with uncaught exception (group=0xb2cc1b20)
09-04 15:07:53.245 1995-1995/com.knedl.testloginapp E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.knedl.testloginapp, PID: 1995
java.lang.NullPointerException
at com.knedl.testloginapp.Register$ProcessRegister.onPostExecute(Register.java:181)
at com.knedl.testloginapp.Register$ProcessRegister.onPostExecute(Register.java:149)
at android.os.AsyncTask.finish(AsyncTask.java:632)
at android.os.AsyncTask.access$600(AsyncTask.java:177)
at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5017)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
at dalvik.system.NativeStart.main(Native Method)
Sorry i'm new here. I get the json JSONObject from here:
private class ProcessRegister extends AsyncTask<String, String, JSONObject> {
// Defining Process dialog
private ProgressDialog pDialog;
String email, password, fname, lname, uname;
@Override
protected void onPreExecute() {
super.onPreExecute();
fname = inputFirstName.getText().toString();
lname = inputLastName.getText().toString();
email = inputEmail.getText().toString();
uname = inputUsername.getText().toString();
password = inputPassword.getText().toString();
pDialog = new ProgressDialog(Register.this);
pDialog.setTitle("Contacting Servers");
pDialog.setMessage("Registering ...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
@Override
protected JSONObject doInBackground(String... args) {
UserFunctions userFunctions = new UserFunctions();
JSONObject json = userFunctions.registerUser(fname, lname, email, uname, password);
return json;
}
And this is method registerUser from userFunctions library. I get empty json when I go through debug:
public JSONObject registerUser(String fname, String lname, String email, String uname, String password){
// Building Parameters
List params = new ArrayList();
params.add(new BasicNameValuePair("tag", register_tag));
params.add(new BasicNameValuePair("fname", fname));
params.add(new BasicNameValuePair("lname", lname));
params.add(new BasicNameValuePair("email", email));
params.add(new BasicNameValuePair("uname", uname));
params.add(new BasicNameValuePair("password", password));
JSONObject json = jsonParser.getJSONFromUrl(registerURL,params);
return json;
}