Created
January 22, 2016 04:24
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This is code to generate key hash which require in facebook sdk integration for sharing and signin with facebook.
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public static String printKeyHash(Activity context) { | |
PackageInfo packageInfo; | |
String key = null; | |
try { | |
//getting application package name, as defined in manifest | |
String packageName = context.getApplicationContext().getPackageName(); | |
//Retriving package info | |
packageInfo = context.getPackageManager().getPackageInfo(packageName, | |
PackageManager.GET_SIGNATURES); | |
Log.e("Package Name=", context.getApplicationContext().getPackageName()); | |
for (android.content.pm.Signature signature : packageInfo.signatures) { | |
MessageDigest md = MessageDigest.getInstance("SHA"); | |
md.update(signature.toByteArray()); | |
key = new String(Base64.encode(md.digest(), 0)); | |
// String key = new String(Base64.encodeBytes(md.digest())); | |
Log.e("Key Hash=", key); | |
} | |
} catch (PackageManager.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()); | |
} | |
return key; | |
} |
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