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Display Back Arrow on Toolbar

I'm migrating from ActionBar to Toolbar in my application. But I don't know how to display and set click event on Back Arrow on Toolbar like I did on Actionbar

With ActionBar, I call mActionbar.setDisplayHomeAsUpEnabled(true). But there is no the similar method like this..

Has anyone ever faced this situation and somehow found a way to solve it
android-actionbar android
by

4 Answers

rahul07 


public class DetailActivity extends AppCompatActivity



@Override

protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_detail);



    // toolbar

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);

    setSupportActionBar(toolbar);



    // add back arrow to toolbar

    if (getSupportActionBar() != null){

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        getSupportActionBar().setDisplayShowHomeEnabled(true);

    }

}



@Override

public boolean onOptionsItemSelected(MenuItem item) {

    // handle arrow click here

    if (item.getItemId() == android.R.id.home) {

        finish(); // close this activity and return to preview activity (if there is any)

    }



    return super.onOptionsItemSelected(item);

}
sandhya6gczb
If you are using an ActionBarActivity then you can tell Android to use the Toolbar as the ActionBar like so:


Toolbar toolbar = (Toolbar) findViewById(R.id.my_awesome_toolbar);

setSupportActionBar(toolbar);

And then calls to


getSupportActionBar().setDisplayHomeAsUpEnabled(true);

getSupportActionBar().setDisplayShowHomeEnabled(true);
RoliMishra
You can use the tool bar setNavigationIcon method. Android Doc

mToolBar.setNavigationIcon(R.drawable.abc_ic_ab_back_mtrl_am_alpha);



mToolBar.setNavigationOnClickListener(new View.OnClickListener() {

    @Override

    public void onClick(View v) {

        handleOnBackPress();

    }

});
RoliMishra
You can use the tool bar setNavigationIcon method. Android Doc

mToolBar.setNavigationIcon(R.drawable.abc_ic_ab_back_mtrl_am_alpha);



mToolBar.setNavigationOnClickListener(new View.OnClickListener() {

    @Override

    public void onClick(View v) {

        handleOnBackPress();

    }

});

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