| /* |
| * Copyright (C) 2008-2009 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.android.gesture.example; |
| |
| import android.app.Activity; |
| import android.content.ContentResolver; |
| import android.content.ContentUris; |
| import android.content.Intent; |
| import android.database.Cursor; |
| import android.os.Bundle; |
| import android.provider.Contacts.People; |
| import android.util.Log; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.widget.AdapterView; |
| import android.widget.ListView; |
| |
| import com.android.gesture.Gesture; |
| import com.android.gesture.GestureActionListener; |
| import com.android.gesture.GestureOverlay; |
| import com.android.gesture.LetterRecognizer; |
| import com.android.gesture.Prediction; |
| import com.android.gesture.TouchThroughGesturing; |
| |
| import java.util.ArrayList; |
| |
| public class ContactListGestureOverlay extends Activity { |
| |
| private static final String LOGTAG = "ContactListGestureOverlay"; |
| |
| private static final String SORT_ORDER = People.DISPLAY_NAME + " COLLATE LOCALIZED ASC"; |
| |
| private static final String[] CONTACTS_PROJECTION = new String[] { |
| People._ID, // 0 |
| People.DISPLAY_NAME, // 1 |
| }; |
| |
| private GestureOverlay mOverlay; |
| |
| private ContactAdapter mContactAdapter; |
| |
| private TouchThroughGesturing mGestureProcessor; |
| |
| private LetterRecognizer mRecognizer; |
| |
| private ListView mContactList; |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); |
| setContentView(R.layout.overlaydemo); |
| |
| setProgressBarIndeterminateVisibility(true); |
| |
| // create a letter recognizer |
| mRecognizer = LetterRecognizer.getLetterRecognizer(this, LetterRecognizer.LATTIN_LOWERCASE); |
| |
| // load the contact list |
| mContactList = (ListView) findViewById(R.id.list); |
| registerForContextMenu(mContactList); |
| mContactList.setTextFilterEnabled(true); |
| mContactList.setOnItemClickListener(new AdapterView.OnItemClickListener() { |
| public void onItemClick(AdapterView<?> parent, View v, int position, long id) { |
| if (!mGestureProcessor.isGesturing()) { |
| Intent intent = new Intent(Intent.ACTION_VIEW, ContentUris.withAppendedId( |
| People.CONTENT_URI, id)); |
| startActivity(intent); |
| } |
| } |
| }); |
| ContentResolver resolver = getContentResolver(); |
| Cursor cursor = resolver.query(People.CONTENT_URI, CONTACTS_PROJECTION, null, null, |
| SORT_ORDER); |
| ArrayList<ContactItem> list = new ArrayList<ContactItem>(); |
| while (cursor.moveToNext()) { |
| list.add(new ContactItem(cursor.getLong(0), cursor.getString(1))); |
| } |
| mContactAdapter = new ContactAdapter(this, list); |
| mContactList.setAdapter(mContactAdapter); |
| |
| setProgressBarIndeterminateVisibility(false); |
| |
| // add a gesture overlay on top of the ListView |
| mOverlay = new GestureOverlay(this); |
| mGestureProcessor = new TouchThroughGesturing(mContactList); |
| mGestureProcessor.setGestureType(TouchThroughGesturing.MULTIPLE_STROKE); |
| mGestureProcessor.addGestureActionListener(new GestureActionListener() { |
| public void onGesturePerformed(GestureOverlay overlay, Gesture gesture) { |
| ArrayList<Prediction> predictions = mRecognizer.recognize(gesture); |
| if (!predictions.isEmpty()) { |
| Log.v(LOGTAG, "1st Prediction : " + predictions.get(0).name); |
| Log.v(LOGTAG, "2nd Prediction : " + predictions.get(1).name); |
| Log.v(LOGTAG, "3rd Prediction : " + predictions.get(2).name); |
| int index = mContactAdapter.search(predictions.get(0).name); |
| if (index != -1) { |
| mContactList.setSelection(index); |
| } |
| } |
| } |
| }); |
| mOverlay.addGestureListener(mGestureProcessor); |
| ViewGroup.LayoutParams params = new ViewGroup.LayoutParams( |
| ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.FILL_PARENT); |
| this.addContentView(mOverlay, params); |
| } |
| } |