解析apk文件的图标等内容

import java.lang.reflect.Constructor;import java.lang.reflect.Method;import java.util.ArrayList;import eric.test.R;import android.app.Activity;import android.content.Context;import android.content.pm.ApplicationInfo;import android.content.pm.PackageInfo;import android.content.pm.PackageManager;import android.content.res.Resources;import android.graphics.drawable.Drawable;import android.os.Bundle;import android.os.Environment;import android.view.ContextMenu;import android.view.ContextMenu.ContextMenuInfo;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.widget.AdapterView;import android.widget.ArrayAdapter;import android.widget.ImageView;import android.widget.ListView;import android.widget.TextView;import android.widget.Toast;public class main extends Activity {private ImageView img;private String archiveFilePath =Environment.getExternalStorageDirectory() + "/"+ "lindong/生活百事通之营养.apk";@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);img = (ImageView)findViewById(R.id.img);Drawable icon = getUninstallAPKIcon(this, archiveFilePath);img.setBackgroundDrawable(icon);}public static Resources getResources(Context context , String apkPath) throws Exception {          String PATH_AssetManager = "android.content.res.AssetManager";                Class assetMagCls = Class.forName(PATH_AssetManager);            Constructor assetMagCt = assetMagCls.getConstructor((Class[]) null);            Object assetMag = assetMagCt.newInstance((Object[]) null);            Class[] typeArgs = new Class[1];            typeArgs[0] = String.class;            Method assetMag_addAssetPathMtd = assetMagCls.getDeclaredMethod("addAssetPath",                    typeArgs);            Object[] valueArgs = new Object[1];            valueArgs[0] = apkPath;            assetMag_addAssetPathMtd.invoke(assetMag, valueArgs);          Resources res = context.getResources();            typeArgs = new Class[3];            typeArgs[0] = assetMag.getClass();            typeArgs[1] = res.getDisplayMetrics().getClass();            typeArgs[2] = res.getConfiguration().getClass();            Constructor resCt = Resources.class.getConstructor(typeArgs);            valueArgs = new Object[3];            valueArgs[0] = assetMag;            valueArgs[1] = res.getDisplayMetrics();            valueArgs[2] = res.getConfiguration();            res = (Resources) resCt.newInstance(valueArgs);                  return res;      }  public static Drawable getUninstallAPKIcon(Context context,String apkPath) {        PackageManager pm = context.getPackageManager();            PackageInfo info = pm.getPackageArchiveInfo(apkPath, PackageManager.GET_ACTIVITIES);                  Resources res = null;          try {          res = getResources(context,apkPath);      } catch (Exception e) {          return null;      }      if(info != null){          ApplicationInfo appInfo = info.applicationInfo;          return res.getDrawable(appInfo.icon);       }                return null;              } }

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?其实关键还是获取可以获取apk内容的Resource对象

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转自：http://blog.csdn.net/sky181772733/article/details/7220401