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/*
* 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.Window;
import android.widget.AdapterView;
import android.widget.ListView;
import android.gesture.Gesture;
import android.gesture.GestureOverlayView;
import android.gesture.LetterRecognizer;
import android.gesture.Prediction;
import java.util.ArrayList;
public class ContactListGestureOverlay extends Activity {
private static final String LOG_TAG = "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 ContactAdapter mContactAdapter;
private ListView mContactList;
private LetterRecognizer mRecognizer;
private GestureOverlayView mOverlay;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setContentView(R.layout.overlaydemo);
// create a letter recognizer
mRecognizer = LetterRecognizer.getLetterRecognizer(this,
LetterRecognizer.RECOGNIZER_LATIN_LOWERCASE);
mOverlay = (GestureOverlayView) findViewById(R.id.overlay);
// 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 (!mOverlay.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);
mOverlay.setGestureStrokeType(GestureOverlayView.GESTURE_STROKE_TYPE_MULTIPLE);
mOverlay.addOnGesturePerformedListener(new GestureOverlayView.OnGesturePerformedListener() {
public void onGesturePerformed(GestureOverlayView overlay, Gesture gesture) {
ArrayList<Prediction> predictions = mRecognizer.recognize(gesture);
if (!predictions.isEmpty()) {
Log.v(LOG_TAG, "1st Prediction : " + predictions.get(0).name +
" @" + predictions.get(0).score);
Log.v(LOG_TAG, "2nd Prediction : " + predictions.get(1).name +
" @" + predictions.get(1).score);
Log.v(LOG_TAG, "3rd Prediction : " + predictions.get(2).name +
" @" + predictions.get(2).score);
int index = mContactAdapter.search(predictions.get(0).name);
if (index != -1) {
mContactList.setSelection(index);
}
}
}
});
}
}
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