提高Android自动化测试稳定性的方法（三）

阅读本文大约需要1分钟。

package com.android.jarvis.accessibility


import android.accessibilityservice.AccessibilityService
import android.accessibilityservice.AccessibilityServiceInfo
import android.util.Log
import android.view.KeyEvent
import android.view.accessibility.AccessibilityEvent
import android.view.accessibility.AccessibilityNodeInfo


class JarvisAccessibilityService : AccessibilityService() {
    public override fun onServiceConnected() {
        Log.i(TAG, "onServiceConnected: ")
        val accessibilityServiceInfo = AccessibilityServiceInfo()
        accessibilityServiceInfo.packageNames = null // 监听所有应用
        accessibilityServiceInfo.eventTypes = AccessibilityEvent.TYPES_ALL_MASK //监听哪些行为
        accessibilityServiceInfo.feedbackType = AccessibilityServiceInfo.FEEDBACK_ALL_MASK //反馈
        accessibilityServiceInfo.notificationTimeout = 200
        serviceInfo = accessibilityServiceInfo
    }


    override fun onAccessibilityEvent(event: AccessibilityEvent) {
        traverseNode(event.source)
        processAccessibilityEvent(event)
    }


    private fun processAccessibilityEvent(event: AccessibilityEvent) {
        processBlockingNotification(event)
        if (rootInActiveWindow == null) {
            Log.i(TAG, "AccessibilityNodeInfo = null")
            return
        }
        traverseNode(rootInActiveWindow)
    }


    private fun processBlockingNotification(event: AccessibilityEvent) {
        val node = event.source
        if (node != null) {
            if (findblockingUI("是否允许 USB 调试？", node)) {
                findAndPerformCheck("始终允许使用这台计算机进行调试", node)
                findAndPerformAction("确定", node)
            }
            if (findblockingUI("是否允许USB调试？", node)) {
                findAndPerformCheck("始终允许使用这台计算机进行调试", node)
                findAndPerformAction("确定", node)
            }
            if (findblockingUI("允许USB调试吗？", node)) {
                findAndPerformCheck("一律允许使用这台计算机进行调试", node)
                findAndPerformAction("确定", node)
            }
            if (findblockingUI("允许 USB 调试吗？", node)) {
                findAndPerformCheck("一律允许使用这台计算机进行调试", node)
                findAndPerformAction("允许", node)
            }
            if (findblockingUI("允许 USB 调试吗？", node)) {
                findAndPerformCheck("一律允许使用这台计算机进行调试", node)
                findAndPerformAction("确定", node)
            }
        }
    }


    private fun findblockingUI(text: String, source: AccessibilityNodeInfo): Boolean {
        val nodes = source.findAccessibilityNodeInfosByText(text)
        if (nodes == null || nodes.isEmpty()) {
            return false
        }
        Log.d(TAG, "findblockingUI $text")
        return true
    }


    public override fun onKeyEvent(event: KeyEvent): Boolean {
        return true
    }


    override fun onInterrupt() {
        Log.e(TAG, "服务被Interrupt")
    }


    private fun traverseNode(node: AccessibilityNodeInfo?) {
        if (node != null) {
            val count = node.childCount
            if (count > 0) {
                for (i in 0 until count) {
                    traverseNode(node.getChild(i))
                }
                return
            }
            val clickable = node.isClickable
            val text = node.text
            val pkgName = node.packageName
            if (!"com.miui.home".contentEquals(pkgName)) {
                Log.i(
                    TAG,
                    "pkg:" + pkgName as Any + " Node:" + text as Any + " clickable:" + clickable
                )
            }
        }
    }


    private fun findAndPerformAction(text: String, source: AccessibilityNodeInfo?): Int {
        if (source == null) {
            return 0
        }
        val nodes = source.findAccessibilityNodeInfosByText(text)
        var count = 0
        if (nodes != null && !nodes.isEmpty()) {
            for (i in nodes.indices) {
                if (performActionClick(nodes[i], text)) {
                    count++
                }
            }
        }
        return count
    }


    private fun performActionClick(node: AccessibilityNodeInfo?, text: String): Boolean {
        if (node == null) {
            return false
        }
        if (!isButton(node) && !isTextView(node) && !isView(node)) {
            return false
        }
        node.performAction(16)
        return true
    }


    private fun findAndPerformCheck(text: String, source: AccessibilityNodeInfo?) {
        if (source != null) {
            val nodes = source.findAccessibilityNodeInfosByText(text)
            if (nodes != null && !nodes.isEmpty()) {
                for (i in nodes.indices) {
                    Log.d(TAG, "performCheck $text")
                    performActionCheck(nodes[i])
                }
            }
        }
    }


    private fun performActionCheck(node: AccessibilityNodeInfo?) {
        if (node != null && isCheckBox(node) && !node.isChecked) {
            node.performAction(16)
        }
    }


    private fun isButton(node: AccessibilityNodeInfo): Boolean {
        return node.className == "android.widget.Button" || node.className == "amigo.widget.AmigoButton"
    }


    private fun isTextView(node: AccessibilityNodeInfo): Boolean {
        return node.className == "android.widget.TextView"
    }


    private fun isView(node: AccessibilityNodeInfo): Boolean {
        return node.className == "android.widget.View"
    }


    private fun isCheckBox(node: AccessibilityNodeInfo): Boolean {
        return node.className == "android.widget.CheckBox"
    }


    private fun isCheckedTextView(node: AccessibilityNodeInfo): Boolean {
        return node.className == "android.widget.CheckedTextView"
    }


    companion object {
        private const val TAG = "JarvisAccessibility"
    }
}
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<accessibility-service xmlns:android="http://schemas.android.com/apk/res/android"
    android:description="@string/accessibility_service_description"
    android:accessibilityEventTypes="typeViewClicked|typeViewLongClicked|typeViewSelected|typeViewFocused|typeViewTextChanged|typeWindowStateChanged|typeNotificationStateChanged|typeViewHoverEnter|typeViewHoverExit|typeTouchExplorationGestureStart|typeTouchExplorationGestureEnd|typeWindowContentChanged|typeViewScrolled|typeViewTextSelectionChanged|typeAllMask"
    android:accessibilityFlags="flagDefault"
    android:accessibilityFeedbackType="feedbackGeneric"
    android:canRetrieveWindowContent="true"
    android:notificationTimeout="200" />
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        <service
            android:name=".accessibility.JarvisAccessibilityService"
            android:label="智能辅助服务"
            android:enabled="true"
            android:exported="true"
            android:permission="android.permission.BIND_ACCESSIBILITY_SERVICE">
            <intent-filter android:priority="2147483647">
                <action android:name="android.intent.action.BOOT_COMPLETED" />
                <action android:name="android.intent.action.LOCKED_BOOT_COMPLETED" />
                <action android:name="android.accessibilityservice.AccessibilityService" />
            </intent-filter>


            <meta-data
                android:name="android.accessibilityservice"
                android:resource="@xml/accessibility_service_config" />
        </service>
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adb shell content call --uri content://settings/secure --method PUT_secure --arg enabled_accessibility_services  --extra _user:i:0 --extra value:s:com.android.jarvis/com.android.jarvis.accessibility.JarvisAccessibilityService
adb shell content call --uri content://settings/secure --method PUT_secure --arg accessibility_enabled  --extra _user:i:0 --extra value:s:1
adb shell settings put secure enabled_accessibility_services com.android.jarvis/com.android.jarvis.accessibility.JarvisAccessibilityService
adb shell settings put secure accessibility_enabled 1
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