When i set these attributes:
actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setDisplayShowHomeEnabled(f
All post above collapsing the home icon but leaving a blank space. For avoiding that you need to set the logo size to zero . Below added my code snippet.it may help for others who struggle with same problem.thanks
actionBar.setLogo(new ColorDrawable(Color.TRANSPARENT));
View homeIcon = findViewById(
Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB ?
android.R.id.home : R.id.abs__home);
((View) homeIcon.getParent()).setLayoutParams(new LayoutParams(0, 0));
((View) homeIcon).setVisibility(View.GONE);