Fragment를 이용하여 안드로이드 화면구성하기

@Override
public void onAttach(Activity activity) {
	super.onAttach(activity);
}

@Override
public void onCreate(Bundle savedInstanceState) {
	if(savedInstanceState != null) {
        for(String key : savedInstanceState.keySet()) {
            Log.v("bundle key : " + key);
        }
	}
	super.onCreate(savedInstanceState);
}

@Override
public View onCreateView(LayoutInflater layoutInflater, ViewGroup viewGroup, Bundle savedInstanceState) {
	return super.onCreateView(layoutInflater, viewGroup, savedInstanceState);
}

@Override
public void onActivityCreated(Bundle savedInstanceState) {
	if(savedInstanceState != null) {
        for(String key : savedInstanceState.keySet()) {
            Log.v("savedInstanceState key : " + key);
        }
	}
    super.onActivityCreated(icicle);

    // 뷰에 데이터를 넣는 작업 등을 할 추가할 수 있음
}

@Override
    public void onStart() {
    	super.onStart();
    }

@Override
public void onResume() {
	super.onResume();
}

@Override
public void onPause() {
  super.onPause();
}

@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
    super.onSaveInstanceState(savedInstanceState);
    savedInstanceState.putInt("text", "savedText");
}

@Override
public void onStop() {
	super.onStop();
}

@Override
public void onDestroyView() {
	super.onDestroyView();
}

@Override
public void onDestroy() {
	super.onDestroy();
}

@Override
public void onDetach() {
	super.onDetach();
	activity = null;
}

package net.hibrain.tutorial;

import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;

public class ItemListActivity extends FragmentActivity
        implements ItemListFragment.Callbacks {

    private boolean mTwoPane;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_item_list);

        if (findViewById(R.id.item_detail_container) != null) {
            mTwoPane = true;
            ((ItemListFragment) getSupportFragmentManager()
                    .findFragmentById(R.id.item_list))
                    .setActivateOnItemClick(true);
        }
    }

    @Override
    public void onItemSelected(String id) {
        if (mTwoPane) {
            Bundle arguments = new Bundle();
            arguments.putString(ItemDetailFragment.ARG_ITEM_ID, id);
            ItemDetailFragment fragment = new ItemDetailFragment();
            fragment.setArguments(arguments);
            getSupportFragmentManager().beginTransaction()
                    .replace(R.id.item_detail_container, fragment)
                    .commit();

        } else {
            Intent detailIntent = new Intent(this, ItemDetailActivity.class);
            detailIntent.putExtra(ItemDetailFragment.ARG_ITEM_ID, id);
            startActivity(detailIntent);
        }
    }
}

package net.hibrain.tutorial;

import net.hibrain.tutorial.dummy.DummyContent;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class ItemListFragment extends ListFragment {

    private static final String STATE_ACTIVATED_POSITION = "activated_position";
    private static final String TAG = "saltfactorytutorial";
    private static final String CLASS_NAME ="ItemListFragment";

    private Callbacks mCallbacks = sDummyCallbacks;
    private int mActivatedPosition = ListView.INVALID_POSITION;

    public interface Callbacks {

        public void onItemSelected(String id);
    }

    private static Callbacks sDummyCallbacks = new Callbacks() {
        @Override
        public void onItemSelected(String id) {
        }
    };

    public ItemListFragment() {
    	Log.v(TAG, CLASS_NAME+ " : 생성자");
    }

    @Override
    public void onAttach(Activity activity) {

    	Log.v(TAG, CLASS_NAME +  ": onAttach(), activity : " + activity.getClass().getName());

        super.onAttach(activity);
        if (!(activity instanceof Callbacks)) {
            throw new IllegalStateException("Activity must implement fragment's callbacks.");
        }

        mCallbacks = (Callbacks) activity;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {

    	if(savedInstanceState != null) {
            for(String key : savedInstanceState.keySet()) {
                Log.v(TAG, CLASS_NAME + " : onCreate(Bundle savedInstanceState) : bundle key : " + key);
            }
    	} else {
    		Log.v(TAG, CLASS_NAME + " : onCreate(Bundle savedInstanceState) : bundle key is null");
    	}

        super.onCreate(savedInstanceState);
        setListAdapter(new ArrayAdapter<DummyContent.DummyItem>(getActivity(),
                R.layout.simple_list_item_activated_1,
                R.id.text1,
                DummyContent.ITEMS));
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
    	Log.v(TAG, CLASS_NAME + " : onViewCreated(View view, Bundle savedInstanceState) :  View : " + view.getClass().getName());

        super.onViewCreated(view, savedInstanceState);
        if (savedInstanceState != null && savedInstanceState
                .containsKey(STATE_ACTIVATED_POSITION)) {
        	 for(String key : savedInstanceState.keySet()) {
                 Log.v(TAG, CLASS_NAME + " : onViewCreated(View view, Bundle savedInstanceState) :  bundle key : " + key);
             }

            setActivatedPosition(savedInstanceState.getInt(STATE_ACTIVATED_POSITION));
        } else {
        	Log.v(TAG, CLASS_NAME + " : onViewCreated(View view, Bundle savedInstanceState) :  bundle is null");
        }
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState){

    	if (savedInstanceState != null){
    		for(String key : savedInstanceState.keySet()) {
    			Log.v(TAG, CLASS_NAME + " : onActivityCreated(Bundle savedInstanceState) :  bundle key : " + key);
    		}
    	} else {
    		Log.v(TAG, CLASS_NAME + " : onActivityCreated(Bundle savedInstanceState) :  bundle key is null");
    	}

    	super.onActivityCreated(savedInstanceState);
    }

    @Override
    public void onStart(){
    	Log.v(TAG, CLASS_NAME +  ": onStart()");
    	super.onStart();
    }

    @Override
    public void onResume(){
    	Log.v(TAG, CLASS_NAME +  ": onResume()");
    	super.onResume();
    }

    @Override
    public void onPause(){
    	Log.v(TAG, CLASS_NAME +  ": onPause()");
    	super.onPause();
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {

    	if (outState != null){
    		for(String key : outState.keySet()) {
    			Log.v(TAG, CLASS_NAME + " : onSavedInstanceState(Bundle outState) :  bundle key : " + key);
    		}
    	} else {
    		Log.v(TAG, CLASS_NAME + " : onSavedInstanceState(Bundle outState) :  bundle key is null");
    	}


        super.onSaveInstanceState(outState);
        if (mActivatedPosition != ListView.INVALID_POSITION) {
            outState.putInt(STATE_ACTIVATED_POSITION, mActivatedPosition);
        }
    }

    @Override
    public void onStop() {
    	Log.v(TAG, CLASS_NAME +  ": onStop()");
    	super.onStart();
    }

    @Override
    public void onDestroyView() {
    	Log.v(TAG, CLASS_NAME + ": onDestroyView()");
    	super.onDestroyView();
    }

    @Override
    public void onDestroy() {
    	Log.v(TAG, CLASS_NAME + ": onDestroy()");
    	super.onDestroy();
    }

    @Override
    public void onDetach() {
    	Log.v(TAG, CLASS_NAME +  ": onDetach()");

        super.onDetach();
        mCallbacks = sDummyCallbacks;
    }

    @Override
    public void onListItemClick(ListView listView, View view, int position, long id) {
        super.onListItemClick(listView, view, position, id);
        mCallbacks.onItemSelected(DummyContent.ITEMS.get(position).id);
    }


    public void setActivateOnItemClick(boolean activateOnItemClick) {
        getListView().setChoiceMode(activateOnItemClick
                ? ListView.CHOICE_MODE_SINGLE
                : ListView.CHOICE_MODE_NONE);
    }

    public void setActivatedPosition(int position) {
        if (position == ListView.INVALID_POSITION) {
            getListView().setItemChecked(mActivatedPosition, false);
        } else {
            getListView().setItemChecked(position, true);
        }

        mActivatedPosition = position;
    }
}