1 files changed, 65 insertions, 0 deletions
diff --git a/input/classifier/1.0/default/InputClassifier.cpp b/input/classifier/1.0/default/InputClassifier.cpp
new file mode 100644
index 0000000000..c463361dcb
--- /dev/null
+++ b/input/classifier/1.0/default/InputClassifier.cpp
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+/*
+ * Copyright (C) 2019 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.
+ */
+
+#define LOG_TAG "InputClassifierHAL"
+
+#include "InputClassifier.h"
+#include <inttypes.h>
+#include <log/log.h>
+#include <utils/Timers.h>
+
+using namespace android::hardware::input::classifier::V1_0;
+
+namespace android {
+namespace hardware {
+namespace input {
+namespace classifier {
+namespace V1_0 {
+namespace implementation {
+
+// Methods from ::android::hardware::input::classifier::V1_0::IInputClassifier follow.
+Return<Classification> InputClassifier::classify(const MotionEvent& event) {
+    /**
+     * In this example implementation, we will see how many "pixels" inside the video frame
+     * exceed the value of 250. If more than 6 such pixels are present, then treat the event
+     * as a "DEEP_PRESS".
+     */
+    if (event.frames.size() == 0) {
+        return Classification::NONE;
+    }
+    ALOGI("Frame(O) timestamp = %" PRIu64 ", received %zu frame(s)", event.frames[0].timestamp,
+          event.frames.size());
+    for (const VideoFrame& frame : event.frames) {
+        size_t count = 0;
+        for (size_t i = 0; i < frame.data.size(); i++) {
+            if (frame.data[i] > 250) {
+                count++;
+            }
+        }
+        if (count > 6) {
+            return Classification::DEEP_PRESS;
+        }
+    }
+
+    return Classification::NONE;
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace classifier
+}  // namespace input
+}  // namespace hardware
+}  // namespace android