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Update: Thank you all for attempting to help me solve this bug. I am still unsure as to the cause, I was able to roll back to a previous commit and continue development from there. This previous commit did show the same bug, however after I commented out button.performClick() it went away. Strangely, this does not work on the most recent commit.
I still do not understand this bug and would appreciate any more assistance in helping determine the root cause. My greatest fear would be to inadvertently re-introduce it.
I have the most crazy error I have ever seen.
The OnCreate method is being called over and over again, freezing my application and giving me a slight flicker. The only solution is then to exit to the home screen and force quit the application from the settings menu.
Here is what is happening in detail:
I have run a debugger, it appears that the second activity successfully completes the onComplete/onResume sequence, then decides to exit and restart.
Has anybody ever heard of this behavior before?
I haven't noticed any exceptions being thrown. Also, in the course of debugging, I did go ahead and check those locations that you see as silent fail. (this is the older code before I littered it with print statements)
UPDATE: When attempting to stop the process, I must turn on airplane mode. This means it has something to do with this code block (Second Activity)
else if (Network.haveNetworkConnection(Login.getContext()) && Login.checkClientId())
{...}
With no internet, it will hit the else statement and does not display this behavior.
CODE:
onResume() of the Main Activity, where I call the Second Activity:
@Override
public void onResume()
{
super.onResume();
//Check If logged in, else go to login page
Login.setContext(getApplicationContext());
//Reset Notification Number
GCMIntentService.cancelNotifications();
/** GO TO LOGIN **/
if(!Login.isLoggedIn())
{
//If user is not logged in, open login page
System.out.println("RESUMING MAIN AND STARTING LOGIN INTENT");
Intent intent = new Intent(ActivityMain.this, ActivityLogin.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK|Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
} else
{
Login.setupStuffOnce();
Event.pullEvents(); //Get New Events
//Update ListView
updateMainFeed();
}
}
This is the Second Activity:
public class ActivityLogin extends Activity
{
private String postData;
//private Context c;
//final Timer timer = new Timer();
//Facebook Stuff
private Facebook facebook = new Facebook(Config.FBAPPID);
private AsyncFacebookRunner mAsyncRunner = new AsyncFacebookRunner(facebook);
//Layout Stuff
EditText username, password;
Button loginButton, signupButton;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
// Open Database
Login.setContext(getApplicationContext());
Database.open(getApplicationContext());
}
/*
* @Override public void onPause() { s }
*/
@Override
public void onResume()
{
super.onResume();
// shouldn't put here but oh well
init();
//If coming from ActivitySignup
if(Transfer.username != null)
{
username.setText(Transfer.username);
password.setText(Transfer.password);
Transfer.password = null;
Transfer.username = null;
loginButton.performClick();
}
}
public void init()
{
Login.getUserLoggedIn();
if (Login.isLoggedIn())
{
//Do Any Additional Setup
Login.setupStuffOnce();
// If user is logged in, open main
Intent intent = new Intent(ActivityLogin.this, ActivityMain.class);
//intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
} else if (Network.haveNetworkConnection(Login.getContext()) && Login.checkClientId())
{
// Else, Make User Login
// Inflate Login and Present Website
String clientid = Login.getClientId();
System.out.println("clientid:" + clientid);
//System.exit(0);
postData = "mobile=1&client_id="+Login.getClientId();
// Inflate the view
setContentView(R.layout.activitylogin3);
username = (EditText) findViewById(R.id.username);
password = (EditText) findViewById(R.id.password);
//Inflate the Button
loginButton = (Button) findViewById(R.id.loginButton);
signupButton = (Button) findViewById(R.id.signupButton);
signupButton.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
Intent intent = new Intent(ActivityLogin.this, ActivitySignup.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP|Intent.FLAG_ACTIVITY_SINGLE_TOP);
startActivity(intent);
}
});
loginButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
int res = Login.sendLogin(username.getText().toString(), password.getText().toString());
if(res == 202)
{
//Login Successful
//Check if facebooked.
if(Login.isFacebooked())
{
//Just go to main
Intent intent = new Intent(ActivityLogin.this, ActivityMain.class);
//Are these flags necessary?
//intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
} else
{
//Go to facebook login page
//Intent intent = new Intent(ActivityLogin.this, ActivityFBLogin.class);
//startActivity(intent);
//Login via Facebook
doFacebook();
}
} else
{
System.out.println("Login Failed: "+res);
if(res == 405)
{
Toast.makeText(getApplicationContext(), "Incorrect Username/Password", Toast.LENGTH_SHORT).show();
password.setText("");
}
else
Toast.makeText(getApplicationContext(), "Network Error", Toast.LENGTH_SHORT).show(); //Not entirely true in all cases i think
}
/*Login.getUserLoggedIn();
if(Login.isLoggedIn())
{
Intent intent = new Intent(ActivityLogin.this, ActivityMain.class);
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
} else {
Toast.makeText(getApplicationContext(), "Please Login Above", Toast.LENGTH_SHORT).show();
}*/
}
});
} else
{
// Not Logged In and No Internet Access
setContentView(R.layout.activitylogintext);
EditText text = (EditText) findViewById(R.id.text);
text.setText("No Internet Connection Detected\n requires internet to login");
Button button = (Button) findViewById(R.id.refreshButton);
button.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
//Login.getUserLoggedIn();
if(Network.haveNetworkConnection(Login.getContext()))
{
Intent intent = new Intent(ActivityLogin.this, ActivityLogin.class);
//intent.setFlags();
startActivity(intent);
} else {
Toast.makeText(getApplicationContext(), "No Internet Access Detected", Toast.LENGTH_SHORT).show();
}
}
});
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
facebook.authorizeCallback(requestCode, resultCode, data);
}
public void doFacebook()
{
facebook.authorize(this, Config.facebookPermissions, new DialogListener() {
@Override
public void onComplete(Bundle values) {
/*SharedPreferences.Editor editor = state.edit();
editor.putString("access_token", facebook.getAccessToken());
editor.putLong("access_expires", facebook.getAccessExpires());
editor.commit();
*/
//Input into database
Login.saveAccessToken(facebook.getAccessToken());
Login.setFB(facebook.getAccessToken());
//Login.sendAccessToken(facebook.getAccessToken());
//Intent into Main Activity
Intent intent = new Intent(ActivityLogin.this, ActivityMain.class);
//intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
@Override
public void onFacebookError(FacebookError error) {
Toast.makeText(getApplicationContext(), "Error: "+error.getErrorType(), Toast.LENGTH_SHORT).show();
}
@Override
public void onError(DialogError e) {
Toast.makeText(getApplicationContext(), "Error: "+e.getMessage(), Toast.LENGTH_SHORT).show();
}
@Override
public void onCancel() {}
});
}
public boolean checkForUserID(Context c)
{
try{
String res = Network.getUrl("www.website.com/mobile.php?got_user=1&client_id="+Login.getClientId());
JSONObject json = JSON.constructObject(res);
if(JSON.handleCode(json))
{
if(json.getString("type").equals("userid"))
{
Login.setLogin(json.getString("data"));
return true;
}
}
} catch(Exception e)
{
//Silent Fail
}
return false;
}
}
818
I believe that the problem will be resolved if you finish your MainActivity after you call SecondActivity. The problem probably is that the onResume event is immediatelly fired when you resume your MainActivity. That is because the MainActivity was probably destroyed and recreated while it was in background. Another solution would be to save your Activity's state with onSaveInstanceState. See here for more information.
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