From 37a6d5c9eaf7460724eb39d128c15d040fd56d60 Mon Sep 17 00:00:00 2001
From: gzlinz2 <107169210+gzlinz2@users.noreply.github.com>
Date: Tue, 11 Oct 2022 06:09:19 +0800
Subject: [PATCH] Add files via upload

---
 .../java/com/github/catvod/spider/Init.java   | 75 +++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 app/src/main/java/com/github/catvod/spider/Init.java

diff --git a/app/src/main/java/com/github/catvod/spider/Init.java b/app/src/main/java/com/github/catvod/spider/Init.java
new file mode 100644
index 0000000..f9f79ca
--- /dev/null
+++ b/app/src/main/java/com/github/catvod/spider/Init.java
@@ -0,0 +1,75 @@
+package com.github.catvod.spider;
+
+import android.app.Activity;
+import android.app.Application;
+import android.content.Context;
+import android.os.Handler;
+import android.os.Looper;
+import android.widget.Toast;
+
+import com.github.catvod.crawler.SpiderDebug;
+import com.github.catvod.utils.Trans;
+
+import java.lang.reflect.Field;
+import java.util.Map;
+
+public class Init {
+
+    private final Handler handler;
+    private Application app;
+
+    private static class Loader {
+        static volatile Init INSTANCE = new Init();
+    }
+
+    public static Init get() {
+        return Loader.INSTANCE;
+    }
+
+    public Init() {
+        this.handler = new Handler(Looper.getMainLooper());
+    }
+
+    public static Application context() {
+        return get().app;
+    }
+
+    public static void init(Context context) {
+        SpiderDebug.log("自定義爬蟲代碼載入成功！");
+        get().app = ((Application) context);
+        Trans.init();
+    }
+
+    public static void run(Runnable runnable) {
+        get().handler.post(runnable);
+    }
+
+    public static void show(String msg) {
+        get().handler.post(() -> Toast.makeText(context(), msg, Toast.LENGTH_SHORT).show());
+    }
+
+    public static Activity getActivity() {
+        try {
+            Class<?> activityThreadClass = Class.forName("android.app.ActivityThread");
+            Object activityThread = activityThreadClass.getMethod("currentActivityThread").invoke(null);
+            Field activitiesField = activityThreadClass.getDeclaredField("mActivities");
+            activitiesField.setAccessible(true);
+            Map<?, ?> activities = (Map<?, ?>) activitiesField.get(activityThread);
+            for (Object activityRecord : activities.values()) {
+                Class<?> activityRecordClass = activityRecord.getClass();
+                Field pausedField = activityRecordClass.getDeclaredField("paused");
+                pausedField.setAccessible(true);
+                if (!pausedField.getBoolean(activityRecord)) {
+                    Field activityField = activityRecordClass.getDeclaredField("activity");
+                    activityField.setAccessible(true);
+                    Activity activity = (Activity) activityField.get(activityRecord);
+                    SpiderDebug.log(activity.getComponentName().getClassName());
+                    return activity;
+                }
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+}