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/*
* Copyright (C) 2018 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.autofill.app.edgecases;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.autofill.AutofillManager;
import android.widget.Toast;
import com.example.android.autofill.app.R;
import com.example.android.autofill.app.WelcomeActivity;
import com.example.android.autofill.app.commoncases.VirtualSignInActivity;
import com.example.android.autofill.app.view.autofillable.CustomVirtualView;
import com.example.android.autofill.app.view.autofillable.CustomVirtualViewCompatMode;
/**
* Activity that uses a virtual views for Username/Password text fields but doesn't explicitly
* implement the Autofill APIs but Accessibility's.
*
* <p><b>Note:</b> this class is useful to test an Autofill service that supports Compatibility
* Mode; real applications with a virtual structure should explicitly support Autofill by
* implementing its APIs as {@link VirtualSignInActivity} does.
* <p>Useful to test an Autofill service that supports Compatibility Mode.
*
* <p><b>Note: </b>you must allowlist this app's package for compatibility mode. For exmaple, in
* a UNIX-like OS such as Linux, you can run:
*
* <pre>
* adb shell settings put global autofill_compat_mode_allowed_packages \
* `echo -n com.example.android.autofill.app[custom_virtual_login_header]:; \
* adb shell settings get global autofill_compat_mode_allowed_packages`
* </pre>
*/
public class VirtualCompatModeSignInActivity extends AppCompatActivity {
private CustomVirtualViewCompatMode mCustomVirtualView;
private AutofillManager mAutofillManager;
private CustomVirtualView.Line mUsernameLine;
private CustomVirtualView.Line mPasswordLine;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.virtual_compat_mode_login_activity);
mCustomVirtualView = findViewById(R.id.custom_view);
CustomVirtualView.Partition credentialsPartition =
mCustomVirtualView.addPartition(getString(R.string.partition_credentials));
mUsernameLine = credentialsPartition.addLine("username", View.AUTOFILL_TYPE_TEXT,
getString(R.string.username_label),
" ", false, View.AUTOFILL_HINT_USERNAME);
mPasswordLine = credentialsPartition.addLine("password", View.AUTOFILL_TYPE_TEXT,
getString(R.string.password_label),
" ", true, View.AUTOFILL_HINT_PASSWORD);
findViewById(R.id.login).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
login();
}
});
findViewById(R.id.clear).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
resetFields();
mAutofillManager.cancel();
}
});
mAutofillManager = getSystemService(AutofillManager.class);
}
private void resetFields() {
mUsernameLine.reset();
mPasswordLine.reset();
mCustomVirtualView.postInvalidate();
}
/**
* Emulates a login action.
*/
private void login() {
String username = mUsernameLine.getText().toString();
String password = mPasswordLine.getText().toString();
boolean valid = isValidCredentials(username, password);
if (valid) {
Intent intent = WelcomeActivity
.getStartActivityIntent(VirtualCompatModeSignInActivity.this);
startActivity(intent);
finish();
} else {
Toast.makeText(this, "Authentication failed.", Toast.LENGTH_SHORT).show();
}
}
/**
* Placeholder implementation for demo purposes. A real service should use secure mechanisms to
* authenticate users.
*/
public boolean isValidCredentials(String username, String password) {
return username != null && password != null && username.equals(password);
}
}
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