WordActivity.java

/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * 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.example.android.searchabledict;

import android.app.Activity;
import android.app.ActionBar;
import android.app.SearchManager;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.SearchView;
import android.widget.TextView;
import android.widget.Toast;

/**
 * Displays a word and its definition.
 */
public class WordActivity extends Activity {
	private static final String TAG = "WordActivity";

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.word);

		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
			ActionBar actionBar = getActionBar();
			actionBar.setDisplayHomeAsUpEnabled(true);
		}

		Uri uri = getIntent().getData();
		Cursor cursor = managedQuery(uri, null, null, null, null);

		if (cursor == null) {
			finish();
		} else {
			cursor.moveToFirst();

			TextView word = (TextView) findViewById(R.id.word);
			TextView definition = (TextView) findViewById(R.id.definition);

			int wIndex = cursor
					.getColumnIndexOrThrow(DictionaryDatabase.KEY_WORD);
			int dIndex = cursor
					.getColumnIndexOrThrow(DictionaryDatabase.KEY_DEFINITION);

			word.setText(cursor.getString(wIndex));
			definition.setText(cursor.getString(dIndex));
		}
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		MenuInflater inflater = getMenuInflater();
		inflater.inflate(R.menu.options_menu, menu);

		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
			SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
			SearchView searchView = (SearchView) menu.findItem(R.id.search)
					.getActionView();
			searchView.setSearchableInfo(searchManager
					.getSearchableInfo(getComponentName()));
			searchView.setIconifiedByDefault(false);
		}

		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		switch (item.getItemId()) {
		case R.id.search:
			onSearchRequested();
			return true;
		case android.R.id.home:
			Intent intent = new Intent(this, SearchableDictionary.class);
			intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
			startActivity(intent);
			Log.i(TAG, "android.R.id.home");
			return true;
		default:
			return false;
		}
	}
}