我正在开发一个Android应用程序,我想在其中集成一个Facebook 发布功能。我下载了Facebook-Android SDK,然后 readme。Md(文本文件)在那里,其中提到要生成 Android的键散列。我如何生成它?
当前回答
这是Xamarin的版本
private void printKeyHash()
{
try
{
PackageInfo info = PackageManager.GetPackageInfo(PackageName, PackageInfoFlags.Signatures);
foreach (var signature in info.Signatures)
{
MessageDigest md = MessageDigest.GetInstance("SHA1");
md.Update(signature.ToByteArray());
var hash = Base64.EncodeToString(md.Digest(), Base64Flags.Default);
Log.Debug("KeyHash:", hash);
}
}
catch (PackageManager.NameNotFoundException e)
{
}
catch (NoSuchAlgorithmException e)
{
}
}
其他回答
这是Xamarin的版本
private void printKeyHash()
{
try
{
PackageInfo info = PackageManager.GetPackageInfo(PackageName, PackageInfoFlags.Signatures);
foreach (var signature in info.Signatures)
{
MessageDigest md = MessageDigest.GetInstance("SHA1");
md.Update(signature.ToByteArray());
var hash = Base64.EncodeToString(md.Digest(), Base64Flags.Default);
Log.Debug("KeyHash:", hash);
}
}
catch (PackageManager.NameNotFoundException e)
{
}
catch (NoSuchAlgorithmException e)
{
}
}
Simply Open you Main Activity File and create below mention function: try { PackageInfo info = getPackageManager().getPackageInfo( "your.application.package.name", PackageManager.GET_SIGNATURES); for (Signature signature : info.signatures) { MessageDigest md = MessageDigest.getInstance("SHA"); md.update(signature.toByteArray()); Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT)); } } catch (PackageManager.NameNotFoundException e) { } catch (NoSuchAlgorithmException e) { }
1.1运行你的应用程序,这将为你的应用程序生成一个哈希键。
现在,打开日志猫和搜索“KeyHash”和复制哈希键。 一旦你生成了哈希键,你可以删除这个函数。
[EDIT 2020]->现在我完全推荐这里的答案,使用android studio更容易,更快,不需要写任何代码-下面这个是在eclipse时代的:)-。
您可以在任何活动中使用此代码。它将在logcat中记录hashkey,这是调试键。这很简单,而且比使用SSL轻松。
PackageInfo info;
try {
info = getPackageManager().getPackageInfo("com.you.name", PackageManager.GET_SIGNATURES);
for (Signature signature : info.signatures) {
MessageDigest md;
md = MessageDigest.getInstance("SHA");
md.update(signature.toByteArray());
String something = new String(Base64.encode(md.digest(), 0));
//String something = new String(Base64.encodeBytes(md.digest()));
Log.e("hash key", something);
}
} catch (NameNotFoundException e1) {
Log.e("name not found", e1.toString());
} catch (NoSuchAlgorithmException e) {
Log.e("no such an algorithm", e.toString());
} catch (Exception e) {
Log.e("exception", e.toString());
}
你可以在知道密钥后删除代码;)
我找到的最简单的解决方法是:
打开原木猫 尝试使用Android SDK访问Facebook 在日志中寻找这样的行: 04-24 01:14:08.605: I/System.out(31395): invalid_key:Android key mismatch。 您的密钥“abcdefgHIJKLMN+OPqrstuvwzyz”与您的 应用程序设置。检查您的应用程序设置 http://www.facebook.com/developers 复制“abcdefgHIJKLMN+OPqrstuvwzyz”,并将其粘贴到Facebook Android密钥哈希区。
这是Facebook官方页面上给出的内容:
keytool -exportcert -alias androiddebugkey -keystore ~/.android/debug.keystore | openssl sha1 -binary | openssl base64
让我把这个命令分解成几个片段。
Look for "keytool.exe". You can search that on the C: drive. You can find it in "java jdk" or "java jre". If you have installed multiple versions, choose any. Open a CMD prompt and go to the above directory where you found "keytool.exe". Clip the "exe`" and paste the above command provided on the Facebook page. You will get an error on entering this that OpenSSL is not recognized as in input output command. Solution : Download "Openssl" from OpenSSL (if you have a 64-bit machine you must download openssl-0.9.8e X64). Extract and save it anywhere... I saved it on the C: drive in the OpenSSl folder Replace the openssl in the above command in which you was getting an error of OpenSSL with "C:\OpenSSL\bin\openssl" at both the places after the pipe, "|". If prompted for a password, enter android.
你会得到你的哈希键。要了解进一步的步骤,请再次参考Facebook页面。
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