android- java code doesnt recognize xml buttons

Question

im trying to connect between my xml code to my java code on eclispe. i have a button called bt1. when im trying to do R.id.bt1- it doesnt recognize the bt1. meaning it did not get the xml code.. can you see wats wrong?

XML:`

<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
   android:text="@string/hello_world" />
<Button 
    android:id="@+id/bt1"   
    android:layout_height="wrap_content"
    android:layout_width="wrap_content"

    />

`

JAVA:

public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button btn=(Button) findViewById(R.id.bt1);

Doesn't look like anything is wrong. What are you trying to get the button to do exactly? Also, do you get an error whenever you run this? — TheWizKid95
– TheWizKid95, Commented Jul 25, 2013 at 3:11
If your layout file name is activity_main.xml, then a clean and re-build should solve the problem as suggested by Brijesh. — Sush
– Sush, Commented Jul 25, 2013 at 3:38

Satya · Accepted Answer · 2013-07-25 03:16:43Z

1

Please remove (`) after semicolon(;) from

Button btn=(Button) findViewById(R.id.bt1);`

answered Jul 25, 2013 at 3:16

Satya

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1 Comment

michali Over a year ago

i dont think i had any (') in the end of the line. do you see any other reason for the dismatch?

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