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Diffstat (limited to 'input/autofill/AutofillFramework/kotlinApp/Application/src/main/java/com/example/android/autofillframework/app/StandardAutoCompleteSignInActivity.kt')
| -rw-r--r-- | input/autofill/AutofillFramework/kotlinApp/Application/src/main/java/com/example/android/autofillframework/app/StandardAutoCompleteSignInActivity.kt | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/input/autofill/AutofillFramework/kotlinApp/Application/src/main/java/com/example/android/autofillframework/app/StandardAutoCompleteSignInActivity.kt b/input/autofill/AutofillFramework/kotlinApp/Application/src/main/java/com/example/android/autofillframework/app/StandardAutoCompleteSignInActivity.kt new file mode 100644 index 00000000..21eb4d70 --- /dev/null +++ b/input/autofill/AutofillFramework/kotlinApp/Application/src/main/java/com/example/android/autofillframework/app/StandardAutoCompleteSignInActivity.kt @@ -0,0 +1,119 @@ +/* + * Copyright (C) 2017 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.example.android.autofillframework.app + +import android.content.Context +import android.content.Intent +import android.os.Bundle +import android.support.v7.app.AppCompatActivity +import android.util.Log +import android.view.View +import android.view.autofill.AutofillManager +import android.widget.ArrayAdapter +import android.widget.AutoCompleteTextView +import android.widget.Toast +import com.example.android.autofillframework.CommonUtil.TAG +import com.example.android.autofillframework.R +import kotlinx.android.synthetic.main.login_with_autocomplete_activity.clear +import kotlinx.android.synthetic.main.login_with_autocomplete_activity.login +import kotlinx.android.synthetic.main.login_with_autocomplete_activity.passwordField +import kotlinx.android.synthetic.main.login_with_autocomplete_activity.usernameField + +class StandardAutoCompleteSignInActivity : AppCompatActivity() { + private var mAutofillReceived = false + private var mAutofillCallback: AutofillManager.AutofillCallback? = null + private var mAutofillManager: AutofillManager? = null + + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + + setContentView(R.layout.login_with_autocomplete_activity) + + login.setOnClickListener { submitLogin() } + clear.setOnClickListener { resetFields() } + mAutofillCallback = MyAutofillCallback() + mAutofillManager = getSystemService(AutofillManager::class.java) + val mockAutocompleteAdapter = ArrayAdapter.createFromResource(this, R.array.mock_autocomplete_sign_in_suggestions, + android.R.layout.simple_dropdown_item_1line) + usernameField.setAdapter(mockAutocompleteAdapter) + } + + override fun onResume() { + super.onResume() + mAutofillManager?.registerCallback(mAutofillCallback) + } + + override fun onPause() { + super.onPause() + mAutofillManager?.unregisterCallback(mAutofillCallback) + } + + private fun resetFields() { + usernameField.setText("") + passwordField.setText("") + } + + /** + * Emulates a login action. + */ + private fun submitLogin() { + val username = usernameField.text.toString() + val password = passwordField.text.toString() + val valid = isValidCredentials(username, password) + if (valid) { + val intent = WelcomeActivity.getStartActivityIntent(this@StandardAutoCompleteSignInActivity) + startActivity(intent) + finish() + } else { + Toast.makeText(this, "Authentication failed.", Toast.LENGTH_SHORT).show() + } + } + + /** + * Dummy implementation for demo purposes. A real service should use secure mechanisms to + * authenticate users. + */ + fun isValidCredentials(username: String?, password: String?): Boolean { + return username != null && password != null && username == password + } + + private inner class MyAutofillCallback : AutofillManager.AutofillCallback() { + override fun onAutofillEvent(view: View, event: Int) { + super.onAutofillEvent(view, event) + if (view is AutoCompleteTextView) { + when (event) { + AutofillManager.AutofillCallback.EVENT_INPUT_UNAVAILABLE, + AutofillManager.AutofillCallback.EVENT_INPUT_HIDDEN -> if (!mAutofillReceived) { + view.showDropDown() + } + AutofillManager.AutofillCallback.EVENT_INPUT_SHOWN -> { + mAutofillReceived = true + view.setAdapter(null) + } + else -> Log.d(TAG, "Unexpected callback: " + event) + } + } + } + } + + companion object { + + fun getStartActivityIntent(context: Context): Intent { + val intent = Intent(context, StandardAutoCompleteSignInActivity::class.java) + return intent + } + } +}
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