unfortunately mainactivity has stopped is showing due to copy and paste

Question

I have developed a program which is working in android studio. Three components of this program are MainActivity.java, activity_main.xml and list_item.xml as following

Provide the error you are receiving in the Logcat when the application terminates. — Pallav, Feb 22 '16 at 09:12
`textView3` is not inside `activity_user_profile` or its children. Where is this textview? — Rohit5k2, Feb 22 '16 at 09:46
@MohammadAliNematollahi: Looks like a copy paste error and you are using wrong layout in `UserProfile`. Please see my answer. — Rohit5k2, Feb 22 '16 at 09:57

score 0 · Answer 1 · edited May 23 '17 at 12:23

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You should move

TextView textView = (TextView) findViewById(R.id.textView3);

textView.setText("Welcome "+username);

to onCreateView instead of onCreate in UserProfile.java

You can look at the answer here : Difference and uses of onCreate(), onCreateView() and onActivityCreated() in fragments for detailed information.

edited May 23 '17 at 12:23

Community

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answered Feb 22 '16 at 09:52

Madhavan Malolan

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score 0 · Answer 2 · answered Feb 22 '16 at 09:55

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Looks like

setContentView(R.layout.activity_user_profile);

should be

setContentView(R.layout.user_activity_profile);

in UserProfile onCreate method because the xml you have posted is user_activity_profile.xml

answered Feb 22 '16 at 09:55

Rohit5k2

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I have posted the logcat. – Mohammad Ali Nematollahi Feb 23 '16 at 09:00
the problem is in `UserProfile` class. Check if you have used correct layout in that and all the id's you are using in that class is inside that layout. – Rohit5k2 Feb 23 '16 at 09:13
You need to post code of `UserProfile.java` and the layout used inside it. You can remove rest of the posted code except the logcat. – Rohit5k2 Feb 23 '16 at 09:16

unfortunately mainactivity has stopped is showing due to copy and paste

2 Answers2