Android實現自動點擊無障礙服務功能的實例代碼

plugins {
    id 'com.android.application'
    id 'kotlin-android'
    id 'kotlin-android-extensions'
}
 
android {
    compileSdkVersion 30
    buildToolsVersion "30.0.3"
 
    defaultConfig {
        applicationId "com.znan.autoclick"
        minSdkVersion 24
        targetSdkVersion 30
        versionCode 1
        versionName "1.0"
 
        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
    }
 
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_1_8
        targetCompatibility JavaVersion.VERSION_1_8
    }
    kotlinOptions {
        jvmTarget = '1.8'
    }
}
 
dependencies {
 
    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
    implementation 'androidx.core:core-ktx:1.3.2'
    implementation 'androidx.appcompat:appcompat:1.2.0'
    implementation 'com.google.android.material:material:1.3.0'
    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
    testImplementation 'junit:junit:4.+'
    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
 
    //協程
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:1.4.3"
    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.4.3"
}

<?xml version="1.0" encoding="utf-8"?>
<accessibility-service xmlns:android="http://schemas.android.com/apk/res/android"
    android:accessibilityEventTypes="typeAllMask"
    android:accessibilityFeedbackType="feedbackAllMask"
    android:canPerformGestures="true"
    android:canRetrieveWindowContent="true"
    android:description="@string/accessibility_desc" />

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.znan.autoclick">
 
    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE"/>
 
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.AutoClick">
 
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
 
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
 
        <service android:name=".AutoClickService"
            android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE">
            <intent-filter>
                <action android:name="android.accessibilityservice.AccessibilityService" />
            </intent-filter>
            <meta-data
                android:name="android.accessibilityservice"
                android:resource="@xml/accessibility" />
        </service>
    </application>
 
</manifest>

import android.accessibilityservice.AccessibilityService
import android.accessibilityservice.GestureDescription
import android.app.Notification
import android.content.Intent
import android.graphics.Path
import android.os.Build
import android.util.Log
import android.view.accessibility.AccessibilityEvent
import androidx.annotation.RequiresApi
import androidx.core.app.NotificationCompat
import kotlinx.coroutines.*
 
class AutoClickService : AccessibilityService() {
 
    private val TAG = javaClass.canonicalName
 
    var mainScope: CoroutineScope? = null
 
    //點擊間隔
    private var mInterval = -1L
 
    //點擊坐標xy
    private var mPointX = -1f
    private var mPointY = -1f
 
    //懸浮窗視圖
    private lateinit var mFloatingView: FloatingClickView
 
    companion object {
        val FLAG_ACTION = "flag_action"
 
        //打開懸浮窗
        val ACTION_SHOW = "action_show"
 
        //自動點擊事件 開啟/關閉
        val ACTION_PLAY = "action_play"
        val ACTION_STOP = "action_stop"
 
        //關閉懸浮窗
        val ACTION_CLOSE = "action_close"
 
    }
 
    override fun onCreate() {
        super.onCreate()
        startForegroundNotification()
        mFloatingView = FloatingClickView(this)
    }
 
    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
        Log.d(TAG, "onStartCommand " + intent?.extras)
        intent?.apply {
            val action = getStringExtra(FLAG_ACTION)
            Log.d(TAG, "action " + action)
            when (action) {
 
                ACTION_SHOW -> {
                    mInterval = getLongExtra("interval", 5000)
                    mFloatingView.show()
                }
                ACTION_PLAY -> {
                    mPointX = getFloatExtra("pointX", 0f)
                    mPointY = getFloatExtra("pointY", 0f)
 
                    mainScope = MainScope()
                    autoClickView(mPointX, mPointY)
                }
                ACTION_STOP -> {
                    mainScope?.cancel()
                }
                ACTION_CLOSE -> {
                    mFloatingView.remove()
                    mainScope?.cancel()
                }
                else -> {
                    Log.e(TAG, "action error")
                }
            }
        }
        return super.onStartCommand(intent, flags, startId)
    }
 
    private fun startForegroundNotification() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            val notificationBuilder =
                NotificationCompat.Builder(this, NotificationConstants.CHANNEL_ID)
            val notification = notificationBuilder.setOngoing(true)
                .setSmallIcon(R.mipmap.ic_launcher)
                .setCategory(Notification.CATEGORY_SERVICE)
                .build()
            startForeground(-1, notification)
 
        } else {
            startForeground(-1, Notification())
        }
    }
 
    @RequiresApi(Build.VERSION_CODES.N)
    private fun autoClickView(x: Float, y: Float) {
 
        mainScope?.launch {
            while (true) {
                delay(mInterval)
                Log.d(TAG, "auto click x:$x  y:$y")
                val path = Path()
                path.moveTo(x, y)
                val gestureDescription = GestureDescription.Builder()
                    .addStroke(GestureDescription.StrokeDescription(path, 100L, 100L))
                    .build()
                dispatchGesture(
                    gestureDescription,
                    object : AccessibilityService.GestureResultCallback() {
                        override fun onCompleted(gestureDescription: GestureDescription?) {
                            super.onCompleted(gestureDescription)
                            Log.d(TAG, "自動點擊完成")
                        }
 
                        override fun onCancelled(gestureDescription: GestureDescription?) {
                            super.onCancelled(gestureDescription)
                            Log.d(TAG, "自動點擊取消")
                        }
                    },
                    null
                )
            }
        }
    }
 
    override fun onInterrupt() {
    }
 
    override fun onAccessibilityEvent(event: AccessibilityEvent?) {
    }
 
    override fun onDestroy() {
        super.onDestroy()
        mainScope?.cancel()
    }
}

open class SingletonHolder<out T, in A>(creator: (A) -> T) {
    private var creator: ((A) -> T)? = creator
    @Volatile private var instance: T? = null
 
    fun getInstance(arg: A): T {
        val i = instance
        if (i != null) {
            return i
        }
 
        return synchronized(this) {
            val i2 = instance
            if (i2 != null) {
                i2
            } else {
                val created = creator!!(arg)
                instance = created
                creator = null
                created
            }
        }
    }
}

import android.content.Context
import android.view.View
import android.view.WindowManager
 
class FloatingManager private constructor(context: Context) {
 
    //獲得WindowManager對象
    private var mWindowManager: WindowManager = context.getSystemService(Context.WINDOW_SERVICE) as WindowManager
 
    companion object : SingletonHolder<FloatingManager, Context>(::FloatingManager)
 
 
    /**
     * 添加懸浮窗
     * @param view
     * @param params
     * @return
     */
    fun addView(view: View, params: WindowManager.LayoutParams): Boolean {
        try {
            mWindowManager.addView(view, params)
            return true
        } catch (e: Exception) {
            e.printStackTrace()
        }
 
        return false
    }
 
    /**
     * 移除懸浮窗
     *
     * @param view
     * @return
     */
    fun removeView(view: View): Boolean {
        try {
            mWindowManager.removeView(view)
            return true
        } catch (e: Exception) {
            e.printStackTrace()
        }
 
        return false
    }
 
    /**
     * 更新懸浮窗參數
     *
     * @param view
     * @param params
     * @return
     */
    fun updateView(view: View, params: WindowManager.LayoutParams): Boolean {
        try {
            mWindowManager.updateViewLayout(view, params)
            return true
        } catch (e: Exception) {
            e.printStackTrace()
        }
 
        return false
    }
}

import android.annotation.SuppressLint
import android.content.Context
import android.content.Intent
import android.graphics.PixelFormat
import android.os.Build
import android.view.*
import android.widget.FrameLayout
import androidx.appcompat.widget.AppCompatImageView
 
class FloatingClickView(private val mContext: Context) : FrameLayout(mContext) {
 
    private lateinit var mWindowManager: FloatingManager
    private var mParams: WindowManager.LayoutParams? = null
 
    private lateinit var mView: View
 
    //按下坐標
    private var mTouchStartX = -1f
    private var mTouchStartY = -1f
 
    val STATE_CLICKING = "state_clicking"
    val STATE_NORMAL = "state_normal"
    private var mCurrentState = STATE_NORMAL
 
    private var ivIcon: AppCompatImageView? = null
 
    init {
        initView()
    }
 
 
    private fun initView() {
        mView = LayoutInflater.from(context).inflate(R.layout.view_floating_click, null)
        ivIcon = mView.findViewById(R.id.iv_icon)
        mWindowManager = FloatingManager.getInstance(mContext)
        initListener()
    }
 
    @SuppressLint("ClickableViewAccessibility")
    private fun initListener() {
        mView.setOnTouchListener { v, event ->
            when (event.action) {
                MotionEvent.ACTION_DOWN -> {
                    mTouchStartX = event.rawX
                    mTouchStartY = event.rawY
                }
 
                MotionEvent.ACTION_MOVE -> {
                    mParams?.let {
                        it.x += (event.rawX - mTouchStartX).toInt()
                        it.y += (event.rawY - mTouchStartY).toInt()
                        mWindowManager.updateView(mView, it)
                    }
                    mTouchStartX = event.rawX
                    mTouchStartY = event.rawY
                }
            }
            false
        }
 
        mView.setOnClickListener {
 
            val location = IntArray(2)
            it.getLocationOnScreen(location)
            val intent = Intent(context, AutoClickService::class.java)
            when (mCurrentState) {
                STATE_NORMAL -> {
                    mCurrentState = STATE_CLICKING
                    intent.putExtra(AutoClickService.FLAG_ACTION, AutoClickService.ACTION_PLAY)
                    intent.putExtra("pointX", (location[0] - 1).toFloat())
                    intent.putExtra("pointY", (location[1] - 1).toFloat())
                    ivIcon?.setImageResource(R.drawable.ic_auto_click_icon_green_24)
                }
                STATE_CLICKING -> {
                    mCurrentState = STATE_NORMAL
                    intent.putExtra(AutoClickService.FLAG_ACTION, AutoClickService.ACTION_STOP)
                    ivIcon?.setImageResource(R.drawable.ic_auto_click_icon_gray_24)
                }
            }
            context.startService(intent)
        }
    }
 
    fun show() {
        mParams = WindowManager.LayoutParams()
        mParams?.apply {
            gravity = Gravity.CENTER
            //總是出現在應用程序窗口之上
            type = if (Build.VERSION.SDK_INT >= 26) {
                WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY
            } else {
                WindowManager.LayoutParams.TYPE_SYSTEM_ALERT
            }
            //設置圖片格式，效果為背景透明
            format = PixelFormat.RGBA_8888
 
            flags =
                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE or WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL or
                        WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN or WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR or
                        WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH
 
            width = LayoutParams.WRAP_CONTENT
            height = LayoutParams.WRAP_CONTENT
            if (mView.isAttachedToWindow) {
                mWindowManager.removeView(mView)
            }
            mWindowManager.addView(mView, this)
        }
    }
 
    fun remove() {
        mWindowManager.removeView(mView)
    }
    
}

import android.app.NotificationChannel
import android.app.NotificationManager
import android.content.Context
import android.content.Intent
import android.graphics.Color
import android.os.Build
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.provider.Settings
import android.text.TextUtils
import android.util.Log
import android.view.inputmethod.InputMethodManager
import android.widget.Toast
import com.google.android.material.snackbar.Snackbar
import kotlinx.android.synthetic.main.activity_main.*
 
class MainActivity : AppCompatActivity() {
 
    private val TAG = javaClass::class.java.canonicalName
 
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        initNotification()
        initListener()
    }
 
 
    private fun initListener() {
        btn_accessibility.setOnClickListener {
            checkAccessibility()
        }
 
        btn_floating_window.setOnClickListener {
            checkFloatingWindow()
        }
 
        btn_show_window.setOnClickListener {
            hideKeyboard()
            if (TextUtils.isEmpty(et_interval.text.toString())) {
                Snackbar.make(et_interval, "請輸入間隔", Snackbar.LENGTH_SHORT).show()
                return@setOnClickListener
            }
 
            showFloatingWindow()
        }
 
        btn_close_window.setOnClickListener {
            closeFloatWindow()
        }
 
        btn_test.setOnClickListener {
            Log.d(TAG, "btn_test on click")
        }
 
    }
 
    /**
     * 跳轉設置開啟無障礙
     */
    private fun checkAccessibility() {
        val intent = Intent(Settings.ACTION_ACCESSIBILITY_SETTINGS)
        startActivity(intent)
    }
 
    /**
     * 跳轉設置頂層懸浮窗
     */
    private fun checkFloatingWindow() {
        if (Build.VERSION.SDK_INT >= 23) {
            if (Settings.canDrawOverlays(this)) {
                Toast.makeText(this, "已開啟", Toast.LENGTH_SHORT).show()
            } else {
                val intent = Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION)
                startActivity(intent)
            }
        }
    }
 
    private fun showFloatingWindow() {
        val intent = Intent(this, AutoClickService::class.java)
        intent.apply {
            putExtra(AutoClickService.FLAG_ACTION, AutoClickService.ACTION_SHOW)
            putExtra("interval", et_interval.text.toString().toLong())
        }
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            startForegroundService(intent)
        } else {
            startService(intent)
        }
    }
 
    private fun closeFloatWindow() {
        val intent = Intent(this, AutoClickService::class.java)
        intent.putExtra(AutoClickService.FLAG_ACTION, AutoClickService.ACTION_CLOSE)
        startService(intent)
    }
 
 
    private fun initNotification() {
        //註冊渠道id
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            val name = NotificationConstants.CHANNEl_NAME
            val descriptionText = NotificationConstants.CHANNEL_DES
            val importance = NotificationManager.IMPORTANCE_DEFAULT
            val channel =
                NotificationChannel(NotificationConstants.CHANNEL_ID, name, importance).apply {
                    description = descriptionText
                }
            channel.enableLights(true)
            channel.lightColor = Color.GREEN
            // Register the channel with the system
            val notificationManager: NotificationManager =
                getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
            notificationManager.createNotificationChannel(channel)
        }
    }
 
    override fun onDestroy() {
        val intent = Intent(this, AutoClickService::class.java)
        stopService(intent)
        super.onDestroy()
    }
 
    //收起輸入法
    fun hideKeyboard() {
        val imm = getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
        if (imm.isActive && currentFocus != null) {
            imm.hideSoftInputFromWindow(currentFocus!!.windowToken, InputMethodManager.HIDE_NOT_ALWAYS)
        }
    }
}

object NotificationConstants {
    val CHANNEL_ID = "auto_channel_id"
 
    val CHANNEl_NAME ="Auto Click"
 
    val CHANNEL_DES = "Auto Click Service"
}

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent">
 
    <androidx.appcompat.widget.AppCompatTextView
        android:id="@+id/tv_message"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="50dp"
        android:layout_marginTop="20dp"
        android:text="先打開無障礙權限 和 懸浮窗頂層權限\n點擊位置在圖標左上角xy偏移一個px\n程序將會在延遲一個間隔後開始執行"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
 
    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_accessibility"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="50dp"
        android:layout_marginTop="20dp"
        android:text="無障礙選項"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/tv_message" />
 
    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_floating_window"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="20dp"
        android:text="懸浮窗選項"
        app:layout_constraintStart_toEndOf="@id/btn_accessibility"
        app:layout_constraintTop_toTopOf="@id/btn_accessibility" />
 
    <androidx.appcompat.widget.AppCompatTextView
        android:id="@+id/tv_unit"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="50dp"
        android:text="ms"
        android:textSize="24sp"
        app:layout_constraintBottom_toBottomOf="@id/et_interval"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="@id/et_interval" />
 
    <androidx.appcompat.widget.AppCompatEditText
        android:id="@+id/et_interval"
        android:layout_width="0dp"
        android:layout_height="48dp"
        android:layout_marginStart="50dp"
        android:layout_marginTop="50dp"
        android:layout_marginEnd="10dp"
        android:hint="點擊的間隔(建議大於100)(毫秒)"
        android:inputType="number"
        android:textColor="#FF0000"
        android:textSize="14sp"
        app:layout_constraintEnd_toStartOf="@id/tv_unit"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btn_accessibility" />
 
    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_show_window"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="50dp"
        android:text="打開懸浮視圖"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/et_interval" />
 
    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_close_window"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:text="關閉懸浮視圖"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/btn_show_window" />
 
    <com.google.android.material.button.MaterialButton
        android:id="@+id/btn_test"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="100dp"
        android:text="測試點擊按鈕"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />
 
</androidx.constraintlayout.widget.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">
 
    <androidx.appcompat.widget.AppCompatImageView
        android:id="@+id/iv_icon"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_auto_click_icon_gray_24" />
</FrameLayout>