Question

I’m trying to make my top action bar icon to allow users to go back to previous screen. I tried to implement these codes. But none are working. Can anyone please guide me on this. I know this looks simple, I’m new to android . Below are my codes.

Problem : When i tap on the icon button it just cleared my screen without going to the previous screen.

public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.view_item);
        checkInternetConnection();

        getSupportActionBar().setDisplayHomeAsUpEnabled(true); //<--THIS




@Override
public boolean onOptionsItemSelected(MenuItem item) 
{    
   switch (item.getItemId()) 
   {        
      case android.R.id.home:            
         Intent intent = new Intent(this, SingleViewActivity.class);            
         intent.addFlags(Intent.FLAG_ACTIVITY_TASK_ON_HOME); 
         startActivity(intent);            
         return true;        
      default:            
         return super.onOptionsItemSelected(item);    
   }
}

Answer 1

This is the way I do it:

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
        // app icon in action bar clicked; go home
        Intent intent = new Intent(this, main.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        startActivity(intent);
        break;
    }
    return true;
}