/* * Copyright (C) 2008 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * *      http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */package com.android.demo.notepad3;import android.app.Activity;import android.database.Cursor;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.EditText;public class NoteEdit extends Activity {	private EditText mTitleText;    private EditText mBodyText;    private Long mRowId;    private NotesDbAdapter mDbHelper;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        mDbHelper = new NotesDbAdapter(this);        mDbHelper.open();        setContentView(R.layout.note_edit);                       mTitleText = (EditText) findViewById(R.id.title);        mBodyText = (EditText) findViewById(R.id.body);              Button confirmButton = (Button) findViewById(R.id.confirm);               mRowId = savedInstanceState != null ? savedInstanceState.getLong(NotesDbAdapter.KEY_ROWID)                 							: null;		if (mRowId == null) {			Bundle extras = getIntent().getExtras();            			mRowId = extras != null ? extras.getLong(NotesDbAdapter.KEY_ROWID) 									: null;		}		populateFields();		        confirmButton.setOnClickListener(new View.OnClickListener() {        	public void onClick(View view) {        	    setResult(RESULT_OK);        	    finish();        	}                  });    }        private void populateFields() {        if (mRowId != null) {            Cursor note = mDbHelper.fetchNote(mRowId);            startManagingCursor(note);            mTitleText.setText(note.getString(    	            note.getColumnIndexOrThrow(NotesDbAdapter.KEY_TITLE)));            mBodyText.setText(note.getString(                    note.getColumnIndexOrThrow(NotesDbAdapter.KEY_BODY)));        }    }        @Override    protected void onSaveInstanceState(Bundle outState) {        super.onSaveInstanceState(outState);        outState.putLong(NotesDbAdapter.KEY_ROWID, mRowId);    }        @Override    protected void onPause() {        super.onPause();        saveState();    }        @Override    protected void onResume() {        super.onResume();        populateFields();    }        private void saveState() {        String title = mTitleText.getText().toString();        String body = mBodyText.getText().toString();        if (mRowId == null) {            long id = mDbHelper.createNote(title, body);            if (id > 0) {                mRowId = id;            }        } else {            mDbHelper.updateNote(mRowId, title, body);        }    }    }