Tuesday, 3 September 2013

ANR causing app to close when button is clicked

ANR causing app to close when button is clicked

Here is the LogCat: (Note all the rest was just telling times)
09-03 17:18:13.067: E/ActivityManager(1477): ANR in
com.example.dashboardactivity
(com.example.dashboardactivity/.RegisterActivity), time=79636143
09-03 17:18:13.067: E/ActivityManager(1477): Reason: keyDispatchingTimedOut
09-03 17:18:13.067: E/ActivityManager(1477): Load: 4.82 / 8.35 / 11.06
I have created a AsyncTask in my RegisterActivity.java (the Register
button is the button that I clicked) Here is that:
package com.example.dashboardactivity;
import org.json.JSONException;
import org.json.JSONObject;
import libary.DatabaseHandler;
import libary.UserFunctions;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class RegisterActivity extends Activity {
public final String TAG = "LoginActivity";
Button btnRegister;
Button btnLinkToLogin;
EditText inputFullName;
EditText inputEmail;
EditText inputPassword;
TextView registerErrorMsg;
// JSON Response node names
private static String KEY_SUCCESS = "success";
private static String KEY_ERROR = "error";
private static String KEY_ERROR_MSG = "error_msg";
private static String KEY_UID = "uid";
private static String KEY_NAME = "name";
private static String KEY_EMAIL = "email";
private static String KEY_CREATED_AT = "created_at";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.register);
// Importing all assets like buttons, text fields
inputFullName = (EditText) findViewById(R.id.registerName);
inputEmail = (EditText) findViewById(R.id.registerEmail);
inputPassword = (EditText) findViewById(R.id.registerPassword);
btnRegister = (Button) findViewById(R.id.btnRegister);
btnLinkToLogin = (Button) findViewById(R.id.btnLinkToLoginScreen);
registerErrorMsg = (TextView) findViewById(R.id.register_error);
// Register Button Click event
Log.i(TAG, "RegisterActivity Register button Click Event" );
btnRegister.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
String name = inputFullName.getText().toString();
String email = inputEmail.getText().toString();
String password = inputPassword.getText().toString();
UserFunctions userFunction = new UserFunctions();
JSONObject json = userFunction.registerUser(name, email,
password);
// check for login response
Log.i(TAG, "RegisterActivity check for login response" );
try {
if (json.getString(KEY_SUCCESS) != null) {
registerErrorMsg.setText("");
String res = json.getString(KEY_SUCCESS);
if(Integer.parseInt(res) == 1){
// user successfully registred
// Store user details in SQLite Database
DatabaseHandler db = new
DatabaseHandler(getApplicationContext());
JSONObject json_user = json.getJSONObject("user");
// Clear all previous data in database
userFunction.logoutUser(getApplicationContext());
db.addUser(json_user.getString(KEY_NAME),
json_user.getString(KEY_EMAIL),
json.getString(KEY_UID),
json_user.getString(KEY_CREATED_AT));
// Launch Dashboard Screen
Intent dashboard = new
Intent(getApplicationContext(),
DashboardActivity.class);
// Close all views before launching Dashboard
dashboard.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(dashboard);
// Close Registration Screen
finish();
}else{
// Error in registration
registerErrorMsg.setText("Error occured in
registration");
}
}
} catch (JSONException e) {
e.printStackTrace();
}
}
});
// Link to Login Screen
Log.i(TAG, "RegisterActivity Link to Login Screen" );
btnLinkToLogin.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
Intent i = new Intent(getApplicationContext(),
LoginActivity.class);
startActivity(i);
// Close Registration View
finish();
}
});
}
}
If I have done this correctly, please let me know. I do not get any erros
associated with this class currently. If not, please feel free to correct
me. :) Thanks!

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