src/main/java/de/pixart/messenger/ui/ActionBarActivity.java


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package de.pixart.messenger.ui;

import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;

public abstract class ActionBarActivity extends AppCompatActivity {
    public static void configureActionBar(ActionBar actionBar) {
        configureActionBar(actionBar, true);
    }

    public static void configureActionBar(ActionBar actionBar, boolean upNavigation) {
        if (actionBar != null) {
            actionBar.setHomeButtonEnabled(upNavigation);
            actionBar.setDisplayHomeAsUpEnabled(upNavigation);
        }
    }

    @Override
    public boolean onOptionsItemSelected(final MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                finish();
                break;
        }
        return super.onOptionsItemSelected(item);
    }
}