Docs: https://developers.google.com/identity/smartlock-passwords/android/overview
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August 1, 2019 12:22
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SmartLockManager
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| package com.uncommon.model.smartlock | |
| import android.app.Activity | |
| import android.content.Intent | |
| import android.content.IntentSender | |
| import com.google.android.gms.auth.api.credentials.Credential | |
| import com.google.android.gms.auth.api.credentials.CredentialPickerConfig | |
| import com.google.android.gms.auth.api.credentials.CredentialRequest | |
| import com.google.android.gms.auth.api.credentials.Credentials | |
| import com.google.android.gms.auth.api.credentials.HintRequest | |
| import com.google.android.gms.common.api.ApiException | |
| import com.google.android.gms.common.api.ResolvableApiException | |
| import com.strv.ktools.logD | |
| import com.strv.ktools.logE | |
| class SmartLockManager(val activity: Activity, val callback: (Credential) -> Unit) { | |
| companion object { | |
| private const val RC_READ = 38971 | |
| private const val RC_HINT = 38972 | |
| private const val RC_SAVE = 38973 | |
| } | |
| private val client = Credentials.getClient(activity) | |
| fun fetchCredentials() { | |
| val credentialRequest = CredentialRequest.Builder() | |
| .setPasswordLoginSupported(true) | |
| .build() | |
| client.request(credentialRequest).addOnCompleteListener { task -> | |
| if (task.isSuccessful) { | |
| callback(task.result.credential) | |
| } else { | |
| val e = task.exception | |
| if (e is ResolvableApiException) { | |
| // This is most likely the case where the user has multiple saved | |
| // credentials and needs to pick one. This requires showing UI to | |
| // resolve the read request. | |
| resolveResult(e, RC_READ) | |
| } else if (e is ApiException) { | |
| // The user must create an account or sign in manually. | |
| logE("Unsuccessful credential request.", e) | |
| // no complete Credential found, let's try to fetch hints at least | |
| fetchHints() | |
| } | |
| } | |
| } | |
| } | |
| fun fetchHints() { | |
| val hintRequest = HintRequest.Builder() | |
| .setHintPickerConfig(CredentialPickerConfig.Builder() | |
| .setShowCancelButton(true) | |
| .build()) | |
| .setEmailAddressIdentifierSupported(true) | |
| .build() | |
| val intent = client.getHintPickerIntent(hintRequest) | |
| try { | |
| activity.startIntentSenderForResult(intent.intentSender, RC_HINT, null, 0, 0, 0) | |
| } catch (e: IntentSender.SendIntentException) { | |
| logE("Could not start hint picker Intent", e) | |
| } | |
| } | |
| fun storeCredential(credential: Credential) { | |
| client.save(credential).addOnCompleteListener { task -> | |
| if (task.isSuccessful) { | |
| logD("SAVE: OK") | |
| } else { | |
| val e = task.exception | |
| if (e is ResolvableApiException) { | |
| // Try to resolve the save request. This will prompt the user if | |
| // the credential is new. | |
| resolveResult(e, RC_SAVE) | |
| } | |
| } | |
| } | |
| } | |
| private fun resolveResult(rae: ResolvableApiException, requestCode: Int) { | |
| try { | |
| rae.startResolutionForResult(activity, requestCode) | |
| } catch (e: IntentSender.SendIntentException) { | |
| logE("Failed to send resolution.", e) | |
| } | |
| } | |
| // NOTE: this must be called from Activity to pass results | |
| fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) { | |
| when (requestCode) { | |
| RC_READ -> if (resultCode == Activity.RESULT_OK) { | |
| val credential = data!!.getParcelableExtra<Credential>(Credential.EXTRA_KEY) | |
| callback(credential) | |
| } else { | |
| logE("Credential Read: NOT OK") | |
| } | |
| RC_HINT -> if (resultCode == Activity.RESULT_OK) { | |
| val credential = data!!.getParcelableExtra<Credential>(Credential.EXTRA_KEY) | |
| callback(credential) | |
| } else { | |
| logE("Hint Read: NOT OK") | |
| } | |
| RC_SAVE -> if (resultCode == Activity.RESULT_OK) { | |
| logD("SAVE: OK") | |
| } else { | |
| logE("SAVE: Canceled by user") | |
| } | |
| } | |
| } | |
| } |
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