GesturesDemos.zip

package com.example.android.gestures.demo.list; import java.util.ArrayList; import android.app.ListActivity; import android.database.Cursor; import android.gesture.Gesture; import android.gesture.GestureLibraries; import android.gesture.GestureLibrary; import android.gesture.GestureOverlayView; import android.gesture.Prediction; import android.gesture.GestureOverlayView.OnGesturePerformedListener; import android.os.Bundle; import android.provider.Contacts; import android.widget.ListAdapter; import android.widget.SimpleCursorAdapter; import android.widget.Toast; public class GesturesListActivity extends ListActivity implements OnGesturePerformedListener { private GestureLibrary mLibrary; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // Populate the activity with the names of our contacts Cursor query = managedQuery(Contacts.People.CONTENT_URI, new String[] { Contacts.People._ID, Contacts.People.DISPLAY_NAME }, null, null, Contacts.People.DEFAULT_SORT_ORDER); ListAdapter adapter = new SimpleCursorAdapter(this, android.R.layout.simple_list_item_1, query, new String[] { Contacts.People.DISPLAY_NAME }, new int[] { android.R.id.text1 }); setListAdapter(adapter); mLibrary = GestureLibraries.fromRawResource(this, R.raw.actions); if (!mLibrary.load()) { finish(); } GestureOverlayView gestures = (GestureOverlayView) findViewById(R.id.gestures); gestures.addOnGesturePerformedListener(this); } public void onGesturePerformed(GestureOverlayView overlay, Gesture gesture) { ArrayList<Prediction> predictions = mLibrary.recognize(gesture); if (predictions.size() > 0) { if (predictions.get(0).score > 1.0) { String action = predictions.get(0).name; if ("action_add".equals(action)) { Toast.makeText(this, "Adding a contact", Toast.LENGTH_SHORT).show(); } else if ("action_delete".equals(action)) { Toast.makeText(this, "Removing a contact", Toast.LENGTH_SHORT).show(); } else if ("action_refresh".equals(action)) { Toast.makeText(this, "Reloading contacts", Toast.LENGTH_SHORT).show(); } } } } }