1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.basicmultitouch; 18 19 import android.app.Activity; 20 import android.os.Bundle; 21 22 /** 23 * This is an example of keeping track of individual touches across multiple 24 * {@link android.view.MotionEvent}s. 25 * <p> 26 * This is illustrated by a View ({@link TouchDisplayView}) that responds to 27 * touch events and draws coloured circles for each pointer, stores the last 28 * positions of this pointer and draws them. This example shows the relationship 29 * between MotionEvent indices, pointer identifiers and actions. 30 * 31 * @see android.view.MotionEvent 32 */ 33 public class MainActivity extends Activity { 34 TouchDisplayView mView; 35 36 @Override 37 protected void onCreate(Bundle savedInstanceState) { 38 super.onCreate(savedInstanceState); 39 40 setContentView(R.layout.layout_mainactivity); 41 } 42 43 } 44
