FunctionActivity.java

package com.stx.openeyes.view.activity;

import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;

import com.stx.openeyes.R;

public class FunctionActivity extends AppCompatActivity {

    private static final String TAG = "FunctionActivity";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_function);
        setToolBar();

    }



    private void setToolBar() {
        Toolbar tb = (Toolbar) findViewById(R.id.tb_function);
        setSupportActionBar(tb);
        ActionBar supportActionBar = getSupportActionBar();
        supportActionBar.setDisplayShowTitleEnabled(false);
        supportActionBar.setDisplayHomeAsUpEnabled(true);
        tb.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });
    }
}