public static boolean installNormal(Context context,String filePath) {
		Intent intent=new Intent(Intent.ACTION_VIEW);
		File file = new File(filePath);
		if (file == null || !file.exists() || !file.isFile() || file.length() <= 0) {
            return false;
        }else {
        	intent.setDataAndType(Uri.parse("file://" + filePath), "application/vnd.android.package-archive");
            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            context.startActivity(intent);
            return true;
        }
	}