Android Open Source - notes Single Fragment Activity

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The source code is released under:

Apache License

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Java Source Code

package com.donnemartin.android.notes.notes;
//from  w w w  .ja v  a  2  s.c o  m
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;

public abstract class SingleFragmentActivity extends FragmentActivity {

    protected abstract Fragment createFragment();

    @Override
    protected 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();
        }
    }
}

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