How can I change my custom toolbar icon dynamically

Question

In my application I\'m using toolbar which having imageview in it. I need to change that imageview dynamically .

Here is my toolbar.xm

Answer 1

Try this

    toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);
    getSupportActionBar().setDisplayShowTitleEnabled(false);

toolbar.setNavigationIcon(getResources().getDrawable(R.drawable.back_arrow));
    toolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            finish();
        }
    });