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author | Justin Klaassen <justinklaassen@google.com> | 2017-09-15 17:58:39 -0400 |
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committer | Justin Klaassen <justinklaassen@google.com> | 2017-09-15 17:58:39 -0400 |
commit | 10d07c88d69cc64f73a069163e7ea5ba2519a099 (patch) | |
tree | 8dbd149eb350320a29c3d10e7ad3201de1c5cbee /android/gesture/Learner.java | |
parent | 677516fb6b6f207d373984757d3d9450474b6b00 (diff) | |
download | android-28-10d07c88d69cc64f73a069163e7ea5ba2519a099.tar.gz |
Import Android SDK Platform PI [4335822]
/google/data/ro/projects/android/fetch_artifact \
--bid 4335822 \
--target sdk_phone_armv7-win_sdk \
sdk-repo-linux-sources-4335822.zip
AndroidVersion.ApiLevel has been modified to appear as 28
Change-Id: Ic8f04be005a71c2b9abeaac754d8da8d6f9a2c32
Diffstat (limited to 'android/gesture/Learner.java')
-rw-r--r-- | android/gesture/Learner.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/android/gesture/Learner.java b/android/gesture/Learner.java new file mode 100644 index 00000000..a105652d --- /dev/null +++ b/android/gesture/Learner.java @@ -0,0 +1,84 @@ +/* + * 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 android.gesture; + +import java.util.ArrayList; + +/** + * The abstract class of a gesture learner + */ +abstract class Learner { + private final ArrayList<Instance> mInstances = new ArrayList<Instance>(); + + /** + * Add an instance to the learner + * + * @param instance + */ + void addInstance(Instance instance) { + mInstances.add(instance); + } + + /** + * Retrieve all the instances + * + * @return instances + */ + ArrayList<Instance> getInstances() { + return mInstances; + } + + /** + * Remove an instance based on its id + * + * @param id + */ + void removeInstance(long id) { + ArrayList<Instance> instances = mInstances; + int count = instances.size(); + for (int i = 0; i < count; i++) { + Instance instance = instances.get(i); + if (id == instance.id) { + instances.remove(instance); + return; + } + } + } + + /** + * Remove all the instances of a category + * + * @param name the category name + */ + void removeInstances(String name) { + final ArrayList<Instance> toDelete = new ArrayList<Instance>(); + final ArrayList<Instance> instances = mInstances; + final int count = instances.size(); + + for (int i = 0; i < count; i++) { + final Instance instance = instances.get(i); + // the label can be null, as specified in Instance + if ((instance.label == null && name == null) + || (instance.label != null && instance.label.equals(name))) { + toDelete.add(instance); + } + } + instances.removeAll(toDelete); + } + + abstract ArrayList<Prediction> classify(int sequenceType, int orientationType, float[] vector); +} |