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Android example source code file (SearchableDictionary.java)
The SearchableDictionary.java Android example source code/* * Copyright (C) 2009 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.SearchManager; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.text.TextUtils; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.Menu; import android.view.MenuItem; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.ListView; import android.widget.TextView; import android.widget.TwoLineListItem; import java.util.List; /** * The main activity for the dictionary. Also displays search results triggered by the search * dialog. */ public class SearchableDictionary extends Activity { private static final int MENU_SEARCH = 1; private TextView mTextView; private ListView mList; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Intent intent = getIntent(); setContentView(R.layout.main); mTextView = (TextView) findViewById(R.id.textField); mList = (ListView) findViewById(R.id.list); if (Intent.ACTION_VIEW.equals(intent.getAction())) { // from click on search results Dictionary.getInstance().ensureLoaded(getResources()); String word = intent.getDataString(); Dictionary.Word theWord = Dictionary.getInstance().getMatches(word).get(0); launchWord(theWord); finish(); } else if (Intent.ACTION_SEARCH.equals(intent.getAction())) { String query = intent.getStringExtra(SearchManager.QUERY); mTextView.setText(getString(R.string.search_results, query)); WordAdapter wordAdapter = new WordAdapter(Dictionary.getInstance().getMatches(query)); mList.setAdapter(wordAdapter); mList.setOnItemClickListener(wordAdapter); } Log.d("dict", intent.toString()); if (intent.getExtras() != null) { Log.d("dict", intent.getExtras().keySet().toString()); } } @Override public boolean onCreateOptionsMenu(Menu menu) { menu.add(0, MENU_SEARCH, 0, R.string.menu_search) .setIcon(android.R.drawable.ic_search_category_default) .setAlphabeticShortcut(SearchManager.MENU_KEY); return super.onCreateOptionsMenu(menu); } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case MENU_SEARCH: onSearchRequested(); return true; } return super.onOptionsItemSelected(item); } private void launchWord(Dictionary.Word theWord) { Intent next = new Intent(); next.setClass(this, WordActivity.class); next.putExtra("word", theWord.word); next.putExtra("definition", theWord.definition); startActivity(next); } class WordAdapter extends BaseAdapter implements AdapterView.OnItemClickListener { private final List<Dictionary.Word> mWords; private final LayoutInflater mInflater; public WordAdapter(List<Dictionary.Word> words) { mWords = words; mInflater = (LayoutInflater) SearchableDictionary.this.getSystemService( Context.LAYOUT_INFLATER_SERVICE); } public int getCount() { return mWords.size(); } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { TwoLineListItem view = (convertView != null) ? (TwoLineListItem) convertView : createView(parent); bindView(view, mWords.get(position)); return view; } private TwoLineListItem createView(ViewGroup parent) { TwoLineListItem item = (TwoLineListItem) mInflater.inflate( android.R.layout.simple_list_item_2, parent, false); item.getText2().setSingleLine(); item.getText2().setEllipsize(TextUtils.TruncateAt.END); return item; } private void bindView(TwoLineListItem view, Dictionary.Word word) { view.getText1().setText(word.word); view.getText2().setText(word.definition); } public void onItemClick(AdapterView<?> parent, View view, int position, long id) { launchWord(mWords.get(position)); } } } Other Android examples (source code examples)Here is a short list of links related to this Android SearchableDictionary.java source code file: |
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