SinaSsoHandler.java 文件源码

private boolean validateAppSignatureForIntent(Context context, Intent intent) {
    PackageManager pm = context.getPackageManager();
    ResolveInfo resolveInfo = pm.resolveActivity(intent, 0);
    if (resolveInfo == null) {
        return false;
    }
    try {
        for (Signature signature : pm.getPackageInfo(resolveInfo.activityInfo.packageName,
                64).signatures) {
            if (WEIBO_SIGNATURE.equals(signature.toCharsString())) {
                return true;
            }
        }
        return false;
    } catch (NameNotFoundException e) {
        return false;
    }
}