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   源码介绍

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借助AccessibilityService实现模拟操作

package com.miscell.lucky;

import android.accessibilityservice.AccessibilityService;
import android.app.KeyguardManager;
import android.app.Notification;
import android.app.PendingIntent;
import android.content.Context;
import android.os.Build;
import android.os.Parcel;
import android.os.Parcelable;
import android.os.PowerManager;
import android.text.TextUtils;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;
import android.widget.RemoteViews;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by chenjishi on 15/2/12.
 */
public class MonitorService extends AccessibilityService {
    private ArrayList<AccessibilityNodeInfo> mNodeInfoList = new ArrayList<AccessibilityNodeInfo>();

    private boolean mLuckyClicked;
    private boolean mContainsLucky;
    private boolean mContainsOpenLucky;

    @Override
    public void onAccessibilityEvent(AccessibilityEvent event) {
        final int eventType = event.getEventType();

        if (eventType == AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED) {
            unlockScreen();
            mLuckyClicked = false;

            /**
             * for API >= 18, we use NotificationListenerService to detect the notifications
             * below API_18 we use AccessibilityService to detect
             */

            if (Build.VERSION.SDK_INT < 18) {
                Notification notification = (Notification) event.getParcelableData();
                List<String> textList = getText(notification);
                if (null != textList && textList.size() > 0) {
                    for (String text : textList) {
                        if (!TextUtils.isEmpty(text) && text.contains("[微信红包]")) {
                            final PendingIntent pendingIntent = notification.contentIntent;
                            try {
                                pendingIntent.send();
                            } catch (PendingIntent.CanceledException e) {
                            }
                            break;
                        }
                    }
                }
            }
        }

        if (eventType == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
            AccessibilityNodeInfo nodeInfo = event.getSource();

            if (null != nodeInfo) {
                mNodeInfoList.clear();
                traverseNode(nodeInfo);
                if (mContainsLucky && !mLuckyClicked) {
                    int size = mNodeInfoList.size();
                    if (size > 0) {
                        /** step1: get the last hongbao cell to fire click action */
                        AccessibilityNodeInfo cellNode = mNodeInfoList.get(size - 1);
                        cellNode.performAction(AccessibilityNodeInfo.ACTION_CLICK);
                        mContainsLucky = false;
                        mLuckyClicked = true;
                    }
                }
                if (mContainsOpenLucky) {
                    int size = mNodeInfoList.size();
                    if (size > 0) {
                        /** step2: when hongbao clicked we need to open it, so fire click action */
                        AccessibilityNodeInfo cellNode = mNodeInfoList.get(size - 1);
                        cellNode.performAction(AccessibilityNodeInfo.ACTION_CLICK);
                        mContainsOpenLucky = false;
                    }
                }
            }
        }
    }

    private void unlockScreen() {
        KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
        final KeyguardManager.KeyguardLock keyguardLock = keyguardManager.newKeyguardLock("MyKeyguardLock");
        keyguardLock.disableKeyguard();

        PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
        PowerManager.WakeLock wakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK
                | PowerManager.ACQUIRE_CAUSES_WAKEUP
                | PowerManager.ON_AFTER_RELEASE, "MyWakeLock");

        wakeLock.acquire();
    }

    private void traverseNode(AccessibilityNodeInfo node) {
        if (null == node) return;

        final int count = node.getChildCount();
        if (count > 0) {
            for (int i = 0; i < count; i  ) {
                AccessibilityNodeInfo childNode = node.getChild(i);
                traverseNode(childNode);
            }
        } else {
            CharSequence text = node.getText();
            if (null != text && text.length() > 0) {
                String str = text.toString();
                if (str.contains("领取红包")) {
                    mContainsLucky = true;
                    AccessibilityNodeInfo cellNode = node.getParent().getParent().getParent();
                    if (null != cellNode) mNodeInfoList.add(cellNode);
                }

                if (str.contains("拆红包")) {
                    mContainsOpenLucky = true;
                    mNodeInfoList.add(node);
                }
            }
        }
    }

    public List<String> getText(Notification notification) {
        if (null == notification) return null;

        RemoteViews views = notification.bigContentView;
        if (views == null) views = notification.contentView;
        if (views == null) return null;

        // Use reflection to examine the m_actions member of the given RemoteViews object.
        // It's not pretty, but it works.
        List<String> text = new ArrayList<String>();
        try {
            Field field = views.getClass().getDeclaredField("mActions");
            field.setAccessible(true);

            @SuppressWarnings("unchecked")
            ArrayList<Parcelable> actions = (ArrayList<Parcelable>) field.get(views);

            // Find the setText() and setTime() reflection actions
            for (Parcelable p : actions) {
                Parcel parcel = Parcel.obtain();
                p.writeToParcel(parcel, 0);
                parcel.setDataPosition(0);

                // The tag tells which type of action it is (2 is ReflectionAction, from the source)
                int tag = parcel.readInt();
                if (tag != 2) continue;

                // View ID
                parcel.readInt();

                String methodName = parcel.readString();
                if (null == methodName) {
                    continue;
                } else if (methodName.equals("setText")) {
                    // Parameter type (10 = Character Sequence)
                    parcel.readInt();

                    // Store the actual string
                    String t = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(parcel).toString().trim();
                    text.add(t);
                }
                parcel.recycle();
            }
        } catch (Exception e) {
        }

        return text;
    }

    @Override
    public void onInterrupt() {

    }
}