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GeachGame Core
There is a newer version: 0.9.4
package com.semoncat.geach.core;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.graphics.drawable.Drawable;

import com.semoncat.geach.core.bean.Game;

import dalvik.system.PathClassLoader;

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

/**
 * 負責載入遊戲
 * Created by SemonCat on 2014/7/3.
 */
public class GameManager {

    private static final String TAG = GameManager.class.getName();

    private Context context;

    public GameManager(Context context) {
        this.context = context;
    }

    /**
     * 列出 deivce 中所有 Geach 的遊戲。
     * @return List
     */
    public List getAllInstallGame() {
        List games = new ArrayList();


        Intent queryIntent = new Intent(GeachGame.ACTION_Geach_Game);
        PackageManager pm = context.getPackageManager();
        List resolveInfos = pm.queryIntentServices(queryIntent,
                PackageManager.GET_META_DATA);




        for (ResolveInfo ri : resolveInfos) {


            try {

                ComponentName componentName = new ComponentName(ri.serviceInfo.packageName, ri.serviceInfo.name);

                PackageInfo packageInfo = pm.getPackageInfo(componentName.getPackageName(), 0);


                String name = ri.loadLabel(pm).toString();
                Drawable icon = ri.loadIcon(pm);
                String pkgName = packageInfo.packageName;
                String scrDir = packageInfo.applicationInfo.sourceDir;
                int versionCode = packageInfo.versionCode;
                String versionName = packageInfo.versionName;

                games.add(new Game(name, icon, pkgName,scrDir, versionCode, versionName, componentName));
            } catch (PackageManager.NameNotFoundException e) {

            }


        }

        return games;
    }


    /**
     * 取得遊戲的 Fragment
     * @param targetGame
     * @return GameFragment
     * @throws ClassNotFoundException
     * @throws NoSuchMethodException
     * @throws IllegalAccessException
     * @throws InvocationTargetException
     * @throws InstantiationException
     * @throws PackageManager.NameNotFoundException
     */
    public BaseGameFragment getGameFragment(Game targetGame) throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException, PackageManager.NameNotFoundException {
        PathClassLoader classLoader = new PathClassLoader(
                targetGame.sourceDir,
                context.getClassLoader());

        Class service = classLoader.loadClass(targetGame.componentName.getClassName());

        GeachGame geachGame = (GeachGame)service.getConstructor().newInstance();

        Context moduleContext = context.createPackageContext(
                targetGame.packageName,
                Context.CONTEXT_INCLUDE_CODE | Context.CONTEXT_IGNORE_SECURITY);

        return geachGame.getGameFragment(moduleContext);

    }

}