1 /* 2 * Copyright (C) 2015 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.android.incallui.answer.impl.classifier; 18 19 import android.view.MotionEvent; 20 21 /** A classifier which looks at the total number of traces in the whole gesture. */ 22 class PointerCountClassifier extends GestureClassifier { 23 private int count; 24 25 public PointerCountClassifier(ClassifierData classifierData) { 26 count = 0; 27 } 28 29 @Override 30 public String getTag() { 31 return "PTR_CNT"; 32 } 33 34 @Override 35 public void onTouchEvent(MotionEvent event) { 36 int action = event.getActionMasked(); 37 38 if (action == MotionEvent.ACTION_DOWN) { 39 count = 1; 40 } 41 42 if (action == MotionEvent.ACTION_POINTER_DOWN) { 43 ++count; 44 } 45 } 46 47 @Override 48 public float getFalseTouchEvaluation() { 49 return PointerCountEvaluator.evaluate(count); 50 } 51 } 52
