SettingsActivity.java

package com.targroup.coolapkconsole.activities;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;

import com.targroup.coolapkconsole.R;

/**
 * Created by Trumeet on 2017/2/4.
 */

public class SettingsActivity extends AppCompatActivity {
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_settings);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    }
    @Override
    public boolean onOptionsItemSelected (MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home :
                finish();
                break;
        }
        return super.onOptionsItemSelected(item);
    }
}