Android Textview Value

I have some problem I want to change my textview value. when my code change it will change here is the code public class SubMenuActivity extends Activity { private static final in

Solution 1:

compare like this

if(tx1.getText().toString().equals("1"))
 {
   tx1.setText("7");
 }

Solution 2:

Strings can not be compared with == operator they can be compared with .equals method

so change your code to this

if(tx1.toString().equals("1"))
 {
   tx1.setText("7");
 }

Solution 3:

Instead of

if(tx1.toString()=="1".toString())    {
    tx1.setText("7");   
} 

try this

if(tx1.getText().toString().equals("1"))    { 
   tx1.setText("7");    
} 

Solution 4:

You need to Compare the variable like.equal(Object/String)

if(tx1.toString().equals("1"))
 {
   tx1.setText("7");
 }

Solution 5:

in java "==" means the address is the same, instead, you can use .equel() which comes from the basic class "object".