1 /* 2 * Copyright (C) 2024 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 package com.android.settings.accessibility 17 18 import android.content.Context 19 import android.os.Vibrator 20 import androidx.fragment.app.Fragment 21 import com.android.settings.R 22 import com.android.settings.flags.Flags 23 import com.android.settingslib.metadata.PreferenceAvailabilityProvider 24 import com.android.settingslib.metadata.ProvidePreferenceScreen 25 import com.android.settingslib.metadata.preferenceHierarchy 26 import com.android.settingslib.preference.PreferenceScreenCreator 27 28 /** 29 * Accessibility settings for vibration. 30 */ 31 // LINT.IfChange 32 @ProvidePreferenceScreen 33 class VibrationScreen : PreferenceScreenCreator, PreferenceAvailabilityProvider { 34 override val key: String 35 get() = KEY 36 37 override val title: Int 38 get() = R.string.accessibility_vibration_settings_title 39 40 override val keywords: Int 41 get() = R.string.keywords_vibration 42 isAvailablenull43 override fun isAvailable(context: Context) = 44 context.isVibratorAvailable() && context.getSupportedVibrationIntensityLevels() == 1 45 46 override fun isFlagEnabled(context: Context): Boolean = Flags.catalystVibrationIntensityScreen() 47 48 override fun hasCompleteHierarchy() = false 49 50 override fun fragmentClass(): Class<out Fragment>? = VibrationSettings::class.java 51 52 override fun getPreferenceHierarchy(context: Context) = preferenceHierarchy(this) { 53 +VibrationMainSwitchPreference() 54 } 55 56 companion object { 57 const val KEY = "vibration_screen" 58 } 59 } 60 61 /** Returns true if the device has a system vibrator, false otherwise. */ Contextnull62fun Context.isVibratorAvailable(): Boolean = 63 getSystemService(Vibrator::class.java).hasVibrator() 64 65 /** Returns the number of vibration intensity levels supported by this device. */ 66 fun Context.getSupportedVibrationIntensityLevels(): Int = 67 resources.getInteger(R.integer.config_vibration_supported_intensity_levels) 68 69 // LINT.ThenChange(VibrationPreferenceController.java) 70