FriendDetailFragment.java

package org.michenux.yourappidea.friends;

import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import org.michenux.drodrolib.db.utils.CursorUtils;
import org.michenux.drodrolib.resources.ResourceUtils;
import org.michenux.yourappidea.R;

public class FriendDetailFragment extends Fragment {
    private Uri detailUri;

    private TextView nameField;

    private TextView jobField;

    private ImageView faceField;

    /**
     * @return
     */
    public static FriendDetailFragment newInstance() {
        return new FriendDetailFragment();
    }

    /**
     * @param detailUri
     * @return
     */
    public static FriendDetailFragment newInstance(Uri detailUri) {
        FriendDetailFragment frag = new FriendDetailFragment();
        Bundle args = new Bundle();
        args.putParcelable(FriendContentProvider.CONTENT_ITEM_TYPE, detailUri);
        frag.setArguments(args);
        return frag;
    }

    /**
     * {@inheritDoc}
     *
     * @see android.support.v4.app.Fragment#onCreateView(android.view.LayoutInflater,
     * android.view.ViewGroup, android.os.Bundle)
     */
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View mainView = inflater.inflate(R.layout.frienddetail, container,
                false);
        this.nameField = (TextView) mainView
                .findViewById(R.id.friend_name_value);
        this.jobField = (TextView) mainView
                .findViewById(R.id.friend_job_value);
        this.faceField = (ImageView) mainView
                .findViewById(R.id.friend_face_value);

        this.detailUri = (savedInstanceState == null) ? null
                : (Uri) savedInstanceState
                .getParcelable(FriendContentProvider.CONTENT_ITEM_TYPE);

        Bundle extras = getArguments();
        if (extras != null && this.detailUri == null) {
            this.detailUri = extras
                    .getParcelable(FriendContentProvider.CONTENT_ITEM_TYPE);
        }

        if (this.detailUri != null) {
            fillData(this.detailUri);
        }

        return mainView;
    }

    /**
     * @param uri
     */
    private void fillData(Uri uri) {
        String[] projection = {FriendContentProvider.NAME_COLUMN,
                FriendContentProvider.JOB_COLUMN,
                FriendContentProvider.FACE_COLUMN};
        Cursor cursor = this.getActivity().getContentResolver()
                .query(uri, projection, null, null, null);
        if (cursor != null) {
            try {
                cursor.moveToFirst();

                this.nameField
                        .setText(
                                CursorUtils.getString(FriendContentProvider.NAME_COLUMN, cursor));
                this.jobField
                        .setText(CursorUtils.getString(FriendContentProvider.JOB_COLUMN, cursor));

                String faceImg = CursorUtils.getString(FriendContentProvider.FACE_COLUMN, cursor);
                this.faceField.setImageDrawable(
                        ResourceUtils.getDrawableByName(
                                faceImg, this.getActivity()));

            } finally {
                cursor.close();
            }
        }
    }

    /**
     * @param selectedItemUri
     */
    public void update(Uri selectedItemUri) {
        this.detailUri = selectedItemUri;
        fillData(this.detailUri);
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putParcelable(FriendContentProvider.CONTENT_ITEM_TYPE,
                this.detailUri);
    }

    public Uri getDetailUri() {
        return detailUri;
    }
}