Removed About activity

                android:name="android.support.PARENT_ACTIVITY"

                android:value=".MainActivity"/>

        </activity>

        <activity

            android:name=".AboutActivity"

            android:label="@string/activity_label"

            android:parentActivityName=".MainActivity"

            android:screenOrientation="portrait"

            android:theme="@style/AppTheme.NoActionBar"

            android:windowSoftInputMode="adjustPan">

            <meta-data

                android:name="android.support.PARENT_ACTIVITY"

                android:value=".MainActivity"/>

        </activity>

        <activity

            android:name=".SearchActivity"

            android:label="@string/title_activity_search"

package org.asdtm.goodweather;

import android.os.Bundle;

import android.support.v4.app.NavUtils;

import android.support.v7.app.AppCompatActivity;

import android.support.v7.widget.Toolbar;

import android.view.MenuItem;

import android.widget.TextView;

public class AboutActivity extends AppCompatActivity

{

    private TextView mAppVersion;

    private Toolbar mToolbar;

    @Override

    protected void onCreate(Bundle savedInstanceState)

    {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_about);

        mAppVersion = (TextView) findViewById(R.id.program_version_textView);

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

        setSupportActionBar(mToolbar);

        if (getSupportActionBar() != null) {

            getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        }

    }

    @Override

    public boolean onOptionsItemSelected(MenuItem item)

    {

        switch (item.getItemId()) {

            case android.R.id.home:

                if (NavUtils.getParentActivityName(this) != null) {

                    NavUtils.navigateUpFromSameTask(this);

                    return true;

                }

        }

        return super.onOptionsItemSelected(item);

    }

}