无法解析方法'toByteArray（）'(cannot resolve method 'toByteArray()')
try {
PackageInfo info = getPackageManager().getPackageInfo("com.example.ak.locationsviewer", 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) {
}
try {
PackageInfo info = getPackageManager().getPackageInfo("com.example.ak.locationsviewer", 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) {
}
最满意答案
你似乎使用了错误的类。
您应该使用android.content.pm.Signature而不是java.security.Signature 。
You seem to be using the wrong class.
You should use android.content.pm.Signature instead of java.security.Signature.
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