1 /* 2 * Copyright (C) 2017 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.settings.gestures; 18 19 import android.content.Context; 20 21 import com.android.settingslib.core.AbstractPreferenceController; 22 import com.android.settingslib.core.lifecycle.Lifecycle; 23 24 import java.util.List; 25 26 /** Feature provider for the assist gesture. */ 27 public interface AssistGestureFeatureProvider { 28 29 /** Returns true if the assist gesture is supported. */ isSupported(Context context)30 boolean isSupported(Context context); 31 32 /** Returns true if the sensor is available. */ isSensorAvailable(Context context)33 boolean isSensorAvailable(Context context); 34 35 /** Returns a list of additional preference controllers */ getControllers(Context context, Lifecycle lifecycle)36 List<AbstractPreferenceController> getControllers(Context context, Lifecycle lifecycle); 37 38 } 39