bignerdranch.android.criminalintent.SingleFragmentActivity.java Source code

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Here is the source code for bignerdranch.android.criminalintent.SingleFragmentActivity.java

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package bignerdranch.android.criminalintent;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;

/**
 *
 * @author jorgwel
 */
public abstract class SingleFragmentActivity extends FragmentActivity {
    protected abstract Fragment createFragment();

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_fragment);
        FragmentManager fm = getSupportFragmentManager();
        Fragment fragment = fm.findFragmentById(R.id.fragmentContainer);

        if (fragment == null) {
            fragment = createFragment();
            fm.beginTransaction().add(R.id.fragmentContainer, fragment).commit();
        }
    }

}