Question

当我在windows中使用此命令时keytool -exportcert -alias androiddebugkey -keystore％HOMEPATH％.android \ debug.keystore | openssl sha1 -binary | openssl base64获取android hash这条消息出现'keytool'不被识别为内部或外部命令，可操作程序或批处理文件。

Answer 1

按照Getting Started Android SDK

中的说明以编程方式尝试

public void generateFBKeyHash(Context mContext) {
        try {
            PackageInfo info = mContext.getPackageManager().getPackageInfo(
                    "YOUR PACKAGE NAME IN YOUR MANIFEST",
                    PackageManager.GET_SIGNATURES);

            for (Signature signature : info.signatures) {
                MessageDigest md = MessageDigest.getInstance("SHA");
                md.update(signature.toByteArray());
                Log.e("fb key hash", Base64.encodeToString(md.digest(), Base64.DEFAULT));
            }
        } catch (PackageManager.NameNotFoundException | NoSuchAlgorithmException e) {
            Log.e("failed", e.getMessage());
        }
    }

注意：确保您的清单中包含元数据

 <meta-data
            android:name="com.facebook.sdk.ApplicationId"
            android:value="@string/facebook_app_id" />

生成Android的密钥哈希在facebook中使用

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