AccessibilityService

一、基础

AccessibilityService基础

二、Demo

被监视的应用

//package name
com.tomorrow.newfeature

//MainActivity
public class MainActivity extends AppCompatActivity {
    private static final String TAG = MainActivity.class.getSimpleName();
    private Button mBtn;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.d(TAG, "zwm, onCreate");
        setContentView(R.layout.activity_main);
        mBtn = findViewById(R.id.btn);
        mBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Log.d(TAG, "zwm, Button clicked, package: " + getPackageName());
            }
        });
    }
}

//activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.tomorrow.newfeature.MainActivity">
    <Button
        android:id="@+id/btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Click me"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>

使用辅助服务的应用

//package name
com.tomorrow.accessibilityservice

//AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.tomorrow.accessibilityservice">

    <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/AppTheme">
        <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=".TestAccessibilityService"
            android:label="我的辅助服务"
            android:enabled="true"
            android:exported="true"
            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>

//accessibility.xml
<?xml version="1.0" encoding="utf-8"?>
<accessibility-service xmlns:android="http://schemas.android.com/apk/res/android"
    android:accessibilityEventTypes="typeNotificationStateChanged|typeWindowStateChanged|typeWindowContentChanged"
    android:accessibilityFeedbackType="feedbackGeneric"
    android:accessibilityFlags="flagDefault"
    android:canRetrieveWindowContent="true"
    android:notificationTimeout="100"
    android:packageNames="com.tomorrow.newfeature" />
    
//TestAccessibilityService
public class TestAccessibilityService extends AccessibilityService {
    private static final String TAG = TestAccessibilityService.class.getSimpleName();

    @Override
    public void onAccessibilityEvent(AccessibilityEvent event) {
        String className = event.getClassName().toString();
        Log.d(TAG, "zwm, onAccessibilityEvent, className: " + className);
        if(TextUtils.equals(className, "com.tomorrow.newfeature.MainActivity")) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
                click(event, "Click me", Button.class.getName());
            }
        }
    }

    @Override
    public void onInterrupt() {
        Log.d(TAG, "zwm, onInterrupt");
    }

    private void click(AccessibilityEvent event, String text, String widgetType) {
        // 事件页面节点信息不为空
        if (event.getSource() != null) {
            // 根据Text搜索所有符合条件的节点, 模糊搜索方式; 还可以通过ID来精确搜索findAccessibilityNodeInfosByViewId
            List<AccessibilityNodeInfo> stop_nodes = event.getSource().findAccessibilityNodeInfosByText(text);
            // 遍历节点
            if (stop_nodes != null && !stop_nodes.isEmpty()) {
                AccessibilityNodeInfo node;
                for (int i = 0; i < stop_nodes.size(); i++) {
                    node = stop_nodes.get(i);
                    // 判断按钮类型
                    if (node.getClassName().equals(widgetType)) {
                        // 可用则模拟点击
                        if (node.isEnabled()) {
                            node.performAction(AccessibilityNodeInfo.ACTION_CLICK);
                        }
                    }
                }
            }
        }
    }
}

//MainActivity
public class MainActivity extends AppCompatActivity {
    private static final String TAG = MainActivity.class.getSimpleName();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.d(TAG, "zwm, onCreate");
        setContentView(R.layout.activity_main);
        ComponentName componentName = new ComponentName(getPackageName(), TestAccessibilityService.class.getName());
        isAccessibilityServiceEnabled(componentName.flattenToShortString());
    }

    private boolean isAccessibilityServiceEnabled(String name) {
        boolean enabled = false;
        AccessibilityManager am = (AccessibilityManager) getSystemService(Context.ACCESSIBILITY_SERVICE);
//        List<AccessibilityServiceInfo> installedAccessibilityServiceList = am.getInstalledAccessibilityServiceList();
        List<AccessibilityServiceInfo> enabledAccessibilityServiceList = am.getEnabledAccessibilityServiceList(AccessibilityServiceInfo.FEEDBACK_GENERIC);
        for (AccessibilityServiceInfo info : enabledAccessibilityServiceList) {
            Log.d(TAG, "zwm, AccessibilityServiceInfo id: " + info.getId());
            if (name.equals(info.getId())) {
                enabled = true;
            }
        }
        Log.d(TAG, "zwm, isAccessibilityServiceEnabled name: " + name + ", enabled: " + enabled);
        return enabled;
    }
}

//输出log
03-14 13:48:23.774 22089-22089/com.tomorrow.accessibilityservice D/MainActivity: zwm, onCreate
03-14 13:48:23.855 22089-22089/com.tomorrow.accessibilityservice D/MainActivity: zwm, AccessibilityServiceInfo id: com.samsung.android.app.sreminder/.phone.shoppingassistant.ShoppingAssistantService
03-14 13:48:23.856 22089-22089/com.tomorrow.accessibilityservice D/MainActivity: zwm, AccessibilityServiceInfo id: com.tomorrow.accessibilityservice/.TestAccessibilityService
03-14 13:48:23.856 22089-22089/com.tomorrow.accessibilityservice D/MainActivity: zwm, isAccessibilityServiceEnabled name: com.tomorrow.accessibilityservice/.TestAccessibilityService, enabled: true
03-14 13:48:28.465 22089-22089/com.tomorrow.accessibilityservice D/TestAccessibilityService: zwm, onAccessibilityEvent, className: android.widget.FrameLayout
03-14 13:48:28.488 22089-22089/com.tomorrow.accessibilityservice D/TestAccessibilityService: zwm, onAccessibilityEvent, className: com.tomorrow.newfeature.MainActivity
03-14 13:48:28.553 21683-21683/com.tomorrow.newfeature D/MainActivity: zwm, Button clicked, package: com.tomorrow.newfeature