107 lines
3.0 KiB
Java
107 lines
3.0 KiB
Java
package com.github.catvod.spider;
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import android.app.Activity;
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import android.app.Application;
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import android.content.Context;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Looper;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.github.catvod.crawler.SpiderDebug;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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public class Init {
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private final ExecutorService executor;
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private final Handler handler;
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private Activity activity;
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private Application app;
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private static class Loader {
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static volatile Init INSTANCE = new Init();
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}
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public static Init get() {
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return Loader.INSTANCE;
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}
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public Init() {
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this.handler = new Handler(Looper.getMainLooper());
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this.executor = Executors.newFixedThreadPool(5);
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}
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public static Application context() {
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return get().app;
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}
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public static Activity activity() {
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return get().activity;
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}
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private void setActivity(Activity activity) {
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this.activity = activity;
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}
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public static void init(Context context) {
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get().app = ((Application) context);
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SpiderDebug.log("自定義爬蟲代碼載入成功！");
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registerActivityLifecycleCallbacks();
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Proxy.init();
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}
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public static void execute(Runnable runnable) {
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get().executor.execute(runnable);
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}
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public static void run(Runnable runnable) {
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get().handler.post(runnable);
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}
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public static void run(Runnable runnable, int delay) {
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get().handler.postDelayed(runnable, delay);
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}
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private static void registerActivityLifecycleCallbacks() {
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get().app.registerActivityLifecycleCallbacks(new Application.ActivityLifecycleCallbacks() {
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@Override
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public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle savedInstanceState) {
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if (activity != activity()) get().setActivity(activity);
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}
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@Override
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public void onActivityStarted(@NonNull Activity activity) {
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if (activity != activity()) get().setActivity(activity);
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}
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@Override
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public void onActivityResumed(@NonNull Activity activity) {
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if (activity != activity()) get().setActivity(activity);
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}
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@Override
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public void onActivityPaused(@NonNull Activity activity) {
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if (activity == activity()) get().setActivity(null);
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}
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@Override
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public void onActivityStopped(@NonNull Activity activity) {
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if (activity == activity()) get().setActivity(null);
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}
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@Override
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public void onActivityDestroyed(@NonNull Activity activity) {
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if (activity == activity()) get().setActivity(null);
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}
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@Override
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public void onActivitySaveInstanceState(@NonNull Activity activity, @NonNull Bundle outState) {
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}
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});
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}
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}
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