I am new in android application development when I am pressing on login button my application is crash and gives me an Fatal Exception please help me out.
And also I'd like to use ENTER key on softkeyboard instead of Login Button
Login class
public class Login extends Activity implements OnClickListener {
private ProgressDialog pDialog;
Button btnLogin;
Button btnLinkToRegister;
EditText inputEmail;
EditText inputPassword;
TextView loginErrorMsg;
// JSON Response node names
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
// Importing all assets like buttons, text fields
inputEmail = (EditText) findViewById(R.id.loginEmail);
inputPassword = (EditText) findViewById(R.id.loginPassword);
btnLogin = (Button) findViewById(R.id.btnLogin);
btnLogin.setOnClickListener(this);
loginErrorMsg = (TextView) findViewById(R.id.login_error);
// Login button Click Event
}
public void onClick(View v)
{
if(v.getId()==R.id.btnLogin)
{
new LoginExecute().execute();
}
}
class LoginExecute extends AsyncTask<String, String, String>
{
String email = inputEmail.getText().toString();
String password = inputPassword.getText().toString();
UserFunctions userFunction = new UserFunctions();
JSONObject json = userFunction.loginUser(email, password);
protected String doInBackground(String... args)
{
try {
if(email.trim().length()>0 || password.trim().length()>0)
{
if (json.getString("STATUS") != null) {
loginErrorMsg.setText("");
String res3 = json.getString("STATUS");
System.out.println("Status = " +res3);
if(Integer.parseInt(res3) == 1){
if (json.getString("role").equalsIgnoreCase("Inspector"))
{
loginErrorMsg.setText("");
String res1 = json.getString("role");
System.out.println("Role =" +res1);
String area = json.getString("area");
String street = json.getString("street");
String user_id = json.getString("user_id");
if(res1.equals("Inspector"))
{
Intent dashboard = new Intent(getApplicationContext(), Inspector.class);
// Close all views before launching Dashboard
dashboard.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(dashboard);
// finish();
}
}
else if (json.getString("role").equalsIgnoreCase("Clamper"))
{
loginErrorMsg.setText("");
String res1 = json.getString("role");
;
if(res1.equals("Clamper"))
{
Intent dashboard1 = new Intent(getApplicationContext(), Clamper.class);
// Close all views before launching Dashboard
dashboard1.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(dashboard1);
//finish();
}
}
else if (json.getString("role").equalsIgnoreCase("Declamper"))
{
loginErrorMsg.setText("");
String res22 = json.getString("role");
System.out.println("Role =" +res22);
if(res22.equals("Declamper"))
{
Intent dashboard2 = new Intent(getApplicationContext(), Declamper.class);
// Close all views before launching Dashboard
dashboard2.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(dashboard2);
//finish();
}
}
else if (json.getString("role").equalsIgnoreCase("Tower"))
{
loginErrorMsg.setText("");
String res8 = json.getString("role");
System.out.println("Role =" +res3);
if(res8.equals("Tower"))
{
Intent dashboard3 = new Intent(getApplicationContext(), Tower.class);
// Close all views before launching Dashboard
dashboard3.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(dashboard3);
//finish();
}
}
}else{
// Error in login
loginErrorMsg.setText("Incorrect username/password");
}
}
}else{
loginErrorMsg.setText("Blank username/password");
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
protected void onPostExecute(String file_url) {
pDialog = new ProgressDialog(Login.this);
pDialog.setMax(25);
pDialog.setMessage("Processing....");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
long delayInMillis = 2000;
Timer timer = new Timer();
timer.schedule(new TimerTask() {
@Override
public void run() {
pDialog.dismiss();
}
}, delayInMillis);
}
}
log error file
08-28 09:08:13.136: W/dalvikvm(1348): threadid=11: thread exiting with uncaught exception (group=0xb2b0cba8)
08-28 09:08:13.276: D/dalvikvm(1348): GC_FOR_ALLOC freed 205K, 7% free 3875K/4156K, paused 35ms, total 35ms
08-28 09:08:13.286: E/AndroidRuntime(1348): FATAL EXCEPTION: AsyncTask #1
08-28 09:08:13.286: E/AndroidRuntime(1348): Process: com.example.testlogin, PID: 1348
08-28 09:08:13.286: E/AndroidRuntime(1348): java.lang.RuntimeException: An error occured while executing doInBackground()
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.os.AsyncTask$3.done(AsyncTask.java:300)
08-28 09:08:13.286: E/AndroidRuntime(1348): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
08-28 09:08:13.286: E/AndroidRuntime(1348): at java.util.concurrent.FutureTask.setException(FutureTask.java:222)
08-28 09:08:13.286: E/AndroidRuntime(1348): at java.util.concurrent.FutureTask.run(FutureTask.java:242)
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
08-28 09:08:13.286: E/AndroidRuntime(1348): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
08-28 09:08:13.286: E/AndroidRuntime(1348): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
08-28 09:08:13.286: E/AndroidRuntime(1348): at java.lang.Thread.run(Thread.java:841)
08-28 09:08:13.286: E/AndroidRuntime(1348): Caused by: android.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.view.ViewRootImpl.checkThread(ViewRootImpl.java:6094)
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.view.ViewRootImpl.invalidateChildInParent(ViewRootImpl.java:857)
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.view.ViewGroup.invalidateChild(ViewGroup.java:4320)
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.view.View.invalidate(View.java:10935)
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.view.View.invalidate(View.java:10890)
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.widget.TextView.checkForRelayout(TextView.java:6587)
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.widget.TextView.setText(TextView.java:3813)
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.widget.TextView.setText(TextView.java:3671)
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.widget.TextView.setText(TextView.java:3646)
08-28 09:08:13.286: E/AndroidRuntime(1348): at com.example.testlogin.Login$LoginExecute.doInBackground(Login.java:185)
08-28 09:08:13.286: E/AndroidRuntime(1348): at com.example.testlogin.Login$LoginExecute.doInBackground(Login.java:1)
08-28 09:08:13.286: E/AndroidRuntime(1348): at android.os.AsyncTask$2.call(AsyncTask.java:288)
08-28 09:08:13.286: E/AndroidRuntime(1348): at java.util.concurrent.FutureTask.run(FutureTask.java:237)
08-28 09:08:13.286: E/AndroidRuntime(1348): ... 4 more
