这里是MainActivity中的全部代码，是不是很少的样子，主要是实现了一个按钮去开启ACCESSIBILITY_SERVICE。这个插件主要就是借助AccessibilityService这个服务来实现。所以剩下的代码就都在这个服务中了！
QQHongbaoService：
public class QQHongbaoService extends AccessibilityService {
private static final String WECHAT_OPEN_EN = "Open";
private static final String WECHAT_OPENED_EN = "You've opened";
private final static String QQ_DEFAULT_CLICK_OPEN = "点击拆开";
private final static String QQ_HONG_BAO_PASSWORD = "口令红包";
private final static String QQ_CLICK_TO_PASTE_PASSWORD = "点击输入口令";
private boolean mLuckyMoneyReceived;
private String lastFetchedHongbaoId = null;
private long lastFetchedTime = 0;
private static final int MAX_CACHE_TOLERANCE = 5000;
private AccessibilityNodeInfo rootNodeInfo;
private List<AccessibilityNodeInfo> mReceiveNode;
@TargetApi(Build.VERSION_CODES.KITKAT)
public void recycle(AccessibilityNodeInfo info) {
if (info.getChildCount() == 0) {
/*这个if代码的作用是：匹配“点击输入口令的节点，并点击这个节点”*/
if(info.getText()!=null&&info.getText().toString().equals(QQ_CLICK_TO_PASTE_PASSWORD)) {
info.getParent().performAction(AccessibilityNodeInfo.ACTION_CLICK);
}
/*这个if代码的作用是：匹配文本编辑框后面的发送按钮，并点击发送口令*/
if (info.getClassName().toString().equals("android.widget.Button") && info.getText().toString().equals("发送")) {
info.performAction(AccessibilityNodeInfo.ACTION_CLICK);
}
} else {
for (int i = 0; i < info.getChildCount(); i++) {
if (info.getChild(i) != null) {
recycle(info.getChild(i));
}
}
}
}
@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
@Override
public void onAccessibilityEvent(AccessibilityEvent event) {
this.rootNodeInfo = event.getSource();
if (rootNodeInfo == null) {
return;
}
mReceiveNode = null;
checkNodeInfo();
/* 如果已经接收到红包并且还没有戳开 */
if (mLuckyMoneyReceived && (mReceiveNode != null)) {
int size = mReceiveNode.size();
if (size > 0) {
String id = getHongbaoText(mReceiveNode.get(size - 1));
long now = System.currentTimeMillis();
if (this.shouldReturn(id, now - lastFetchedTime))
return;
lastFetchedHongbaoId = id;
lastFetchedTime = now;
AccessibilityNodeInfo cellNode = mReceiveNode.get(size - 1);
if (cellNode.getText().toString().equals("口令红包已拆开")) {
return;
}
cellNode.getParent().performAction(AccessibilityNodeInfo.ACTION_CLICK);
if (cellNode.getText().toString().equals(QQ_HONG_BAO_PASSWORD)) {
AccessibilityNodeInfo rowNode = getRootInActiveWindow();
if (rowNode == null) {
Log.e(TAG, "noteInfo is null");
return;
} else {
recycle(rowNode);
}
}
mLuckyMoneyReceived = false;
}
}
}
private void checkNodeInfo() {
if (rootNodeInfo == null) {
return;
}
/* 聊天会话窗口，遍历节点匹配“点击拆开”，“口令红包”，“点击输入口令” */
List<AccessibilityNodeInfo> nodes1 = this.findAccessibilityNodeInfosByTexts(this.rootNodeInfo, new String[]{QQ_DEFAULT_CLICK_OPEN, QQ_HONG_BAO_PASSWORD, QQ_CLICK_TO_PASTE_PASSWORD, "发送"});
if (!nodes1.isEmpty()) {
String nodeId = Integer.toHexString(System.identityHashCode(this.rootNodeInfo));
if (!nodeId.equals(lastFetchedHongbaoId)) {
mLuckyMoneyReceived = true;
mReceiveNode = nodes1;
} return;
}
}
private String getHongbaoText(AccessibilityNodeInfo node) {
/* 获取红包上的文本 */
String content;
try {
AccessibilityNodeInfo i = node.getParent().getChild(0);
content = i.getText().toString();
} catch (NullPointerException npe) {
return null;
}
return content;
}
private boolean shouldReturn(String id, long duration) {
// ID为空
if (id == null) return true;
// 名称和缓存不一致
if (duration < MAX_CACHE_TOLERANCE && id.equals(lastFetchedHongbaoId)) {
return true;
}
return false;
}
private List<AccessibilityNodeInfo> findAccessibilityNodeInfosByTexts(AccessibilityNodeInfo nodeInfo, String[] texts) {
for (String text : texts) {
if (text == null) continue;
List<AccessibilityNodeInfo> nodes = nodeInfo.findAccessibilityNodeInfosByText(text);
if (!nodes.isEmpty()) {
if (text.equals(WECHAT_OPEN_EN) && !nodeInfo.findAccessibilityNodeInfosByText(WECHAT_OPENED_EN).isEmpty()) {
continue;
}
return nodes;
}
}
return new ArrayList<>();
}
@Override
public void onInterrupt() {}
}
