Android Facebook 生成发布密钥散列

//使用需要生成的签名 运行App 导出
try {
PackageInfo info = getPackageManager()
.getPackageInfo("com.tap.gamebox", PackageManager.GET_SIGNATURES);
for (Signature signature : info.signatures) {
MessageDigest md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
Log.e("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
// System.("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
}
} catch (PackageManager.NameNotFoundException e) {
} catch (NoSuchAlgorithmException e) {
}