Androd 判断某应用是否含有自启动和桌面小插件功能

new_gist_file

/**
   * 检查某个包 是否有自启动或者桌面小插件
	 * 
	 * @param context
	 * @return 0 木有 1有自启动 2有小插件 3都有
	 */
	public static int checkStartupAndWidget(Context context, String packageName) {
		PackageManager pm = context.getPackageManager();
		boolean haveStartup = false;
		boolean haveWidget = false;
		try {
			PackageInfo pkgInfo = pm
					.getPackageInfo(packageName, PackageManager.GET_RECEIVERS
							| PackageManager.GET_META_DATA);// 通过包名，返回包信息
			haveStartup = pm.checkPermission(
					"android.permission.RECEIVE_BOOT_COMPLETED", packageName) == PackageManager.PERMISSION_GRANTED;
			ActivityInfo[] receivers = pkgInfo.receivers;
			if (receivers != null) {
				inner: for (ActivityInfo activityInfo : receivers) {
					System.out.println("rece:" + activityInfo.name);
					Bundle b = activityInfo.metaData;
					if (b != null) {
						if (b.containsKey("android.appwidget.provider")) {
							haveWidget = true;
							break inner;
						}
					}
				}
			}
		} catch (NameNotFoundException e) {
			return 0;
		}
		if (haveStartup && haveWidget)
			return 3;
		if (haveStartup)
			return 1;
		if (haveWidget)
			return 2;
		return 0;
	}