Android ApplicationAndroid工具类

MyAccessibilityService：

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package com.withub.android.cloudsharingcourt.util;

import android.accessibilityservice.AccessibilityService;
import android.text.TextUtils;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;

import java.util.HashMap;
import java.util.Map;

public class MyAccessibilityService extends AccessibilityService {
    Map<Integer, Boolean> handledMap = new HashMap<>();
    public MyAccessibilityService() {
    }
    @Override
    public void onAccessibilityEvent(AccessibilityEvent event) {
        AccessibilityNodeInfo nodeInfo = event.getSource();
        if (nodeInfo != null) {
            int eventType = event.getEventType();
            if (eventType== AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED ||
                    eventType == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
                if (handledMap.get(event.getWindowId()) == null) {
                    boolean handled = iterateNodesAndHandle(nodeInfo);
                    if (handled) {
                        handledMap.put(event.getWindowId(), true);
                    }
                }
            }
        }
    }

    private boolean iterateNodesAndHandle(AccessibilityNodeInfo nodeInfo) {
        if (nodeInfo != null&&nodeInfo.getClassName()!=null&&!TextUtils.isEmpty(nodeInfo.getText())) {
            int childCount = nodeInfo.getChildCount();
            if ("android.widget.Button".equals(nodeInfo.getClassName())||"android.widget.TextView".equals(nodeInfo.getClassName())) {
                String nodeContent = nodeInfo.getText().toString();
                if ("安装".equals(nodeContent)
                        ||"打开".equals(nodeContent)
                        ||"完成".equals(nodeContent)
                        || "确定".equals(nodeContent)
                        || "下一步".equals(nodeContent)
                        || "确认".equals(nodeContent)
                        || "继续安装".equals(nodeContent)) {
                    nodeInfo.performAction(AccessibilityNodeInfo.ACTION_CLICK);
                    return true;
                }
            } else if ("android.widget.ScrollView".equals(nodeInfo.getClassName())) {
                nodeInfo.performAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
            }
            for (int i = 0; i < childCount; i++) {
                AccessibilityNodeInfo childNodeInfo = nodeInfo.getChild(i);
                if (iterateNodesAndHandle(childNodeInfo)) {
                    return true;
                }
            }
        }
        return false;
    }

    @Override
    public void onInterrupt() {
    }
}
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//清单文件中注册
<service
         android:name=".util.MyAccessibilityService"
         android:label="自动智能安装"
         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_config" />
     </service>
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//检查是否已开启无障碍自动安装权限
//用法：boolean enabled = isAccessibilityServiceEnabled(mContent, MyAccessibilityService.class);
public boolean isAccessibilityServiceEnabled(Context context, Class<? extends AccessibilityService> service) {
    AccessibilityManager am = (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE);
    List<AccessibilityServiceInfo> enabledServices = am.getEnabledAccessibilityServiceList(AccessibilityServiceInfo.FEEDBACK_ALL_MASK);

    for (AccessibilityServiceInfo enabledService : enabledServices) {
        ServiceInfo enabledServiceInfo = enabledService.getResolveInfo().serviceInfo;
        if (enabledServiceInfo.packageName.equals(context.getPackageName()) && enabledServiceInfo.name.equals(service.getName()))
            return true;
    }

    return false;
}
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//跳转到设置开启无障碍模式页面；
Intent intent = new Intent(Settings.ACTION_ACCESSIBILITY_SETTINGS);
mContent.startActivity(intent);