Android 跳转应用市场评分

/***
* 跳转应用市场评分
* @author Lucasey
*/
public class ScoreUtils {
/**
* 获取已安装应用商店的包名列表
*
* @param context
* @return
*/
public static ArrayList<String> InstalledAPPs(Context context) {
ArrayList<String> pkgs = new ArrayList<String>();
if (context == null)
return pkgs;
Intent intent = new Intent();
intent.setAction("android.intent.action.MAIN");
intent.addCategory("android.intent.category.APP_MARKET");
PackageManager pm = context.getPackageManager();
List<ResolveInfo> infos = pm.queryIntentActivities(intent, 0);
if (infos == null || infos.size() == 0)
return pkgs;
int size = infos.size();
for (int i = 0; i < size; i++) {
String pkgName = "";
try {
ActivityInfo activityInfo = infos.get(i).activityInfo;
pkgName = activityInfo.packageName;
} catch (Exception e) {
e.printStackTrace();
}
if (!TextUtils.isEmpty(pkgName))
pkgs.add(pkgName);

}
return pkgs;
}

/**
* 过滤出已经安装的包名集合
* @param context
* @param pkgs
*            待过滤包名集合
* @return 已安装的包名集合
*/
public static ArrayList<String> SelectedInstalledAPPs(Context context,ArrayList<String> pkgs) {
ArrayList<String> empty = new ArrayList<String>();
if (context == null || pkgs == null || pkgs.size() == 0)
return empty;
PackageManager pm = context.getPackageManager();
List<PackageInfo> installedPkgs = pm.getInstalledPackages(0);
int li = installedPkgs.size();
int lj = pkgs.size();
for (int j = 0; j < lj; j++) {
for (int i = 0; i < li; i++) {
String installPkg = "";
String checkPkg = pkgs.get(j);
try {
installPkg = installedPkgs.get(i).applicationInfo.packageName;
} catch (Exception e) {
e.printStackTrace();
}
if (TextUtils.isEmpty(installPkg))
continue;
if (installPkg.equals(checkPkg)) {
empty.add(installPkg);
break;
}

}
}
return empty;
}

/**
* 跳转到app详情界面
* @param appPkg App的包名
* @param marketPkg
*  应用商店包名 ,如果为""则由系统弹出应用商店列表供用户选择,否则调转到目标市场的应用详情界面，某些应用商店可能会失败
*/
public static void launchAppDetail(String appPkg, String marketPkg) {
try {
if (TextUtils.isEmpty(appPkg))
return;
Uri uri = Uri.parse("market://details?id=" + appPkg);
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
if (!TextUtils.isEmpty(marketPkg))
intent.setPackage(marketPkg);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
MyUtils.getAppContext().startActivity(intent);
} catch (Exception e) {
e.printStackTrace();
}
}
}