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/*
* 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.service;
import android.content.Context;
import android.content.IntentSender;
import android.service.autofill.Dataset;
import android.service.autofill.FillResponse;
import android.service.autofill.SaveInfo;
import android.util.Log;
import android.view.autofill.AutofillId;
import android.widget.RemoteViews;
import com.example.android.autofillframework.R;
import com.example.android.autofillframework.service.model.AutofillFieldsCollection;
import com.example.android.autofillframework.service.model.ClientFormData;
import java.util.HashMap;
import java.util.Set;
import static com.example.android.autofillframework.CommonUtil.TAG;
/**
* This is a class containing helper methods for building Autofill Datasets and Responses.
*/
public final class AutofillHelper {
/**
* Wraps autofill data in a LoginCredential Dataset object which can then be sent back to the
* client View.
*/
public static Dataset newDataset(Context context,
AutofillFieldsCollection autofillFields, ClientFormData clientFormData) {
Dataset.Builder datasetBuilder = new Dataset.Builder
(newRemoteViews(context.getPackageName(), clientFormData.getDatasetName()));
boolean setValueAtLeastOnce = clientFormData.applyToFields(autofillFields, datasetBuilder);
if (setValueAtLeastOnce) {
return datasetBuilder.build();
} else {
return null;
}
}
public static RemoteViews newRemoteViews(String packageName, String remoteViewsText) {
RemoteViews presentation = new RemoteViews(packageName, R.layout.list_item);
presentation.setTextViewText(R.id.text1, remoteViewsText);
return presentation;
}
/**
* Wraps autofill data in a Response object (essentially a series of Datasets) which can then
* be sent back to the client View.
*/
public static FillResponse newResponse(Context context,
boolean datasetAuth, AutofillFieldsCollection autofillFields, int saveType,
HashMap<String, ClientFormData> clientFormDataMap) {
FillResponse.Builder responseBuilder = new FillResponse.Builder();
if (clientFormDataMap != null) {
Set<String> datasetNames = clientFormDataMap.keySet();
for (String datasetName : datasetNames) {
ClientFormData clientFormData = clientFormDataMap.get(datasetName);
if (datasetAuth) {
Dataset.Builder datasetBuilder =
new Dataset.Builder(newRemoteViews
(context.getPackageName(), clientFormData.getDatasetName()));
IntentSender sender = AuthActivity
.getAuthIntentSenderForDataset(context, clientFormData.getDatasetName());
datasetBuilder.setAuthentication(sender);
responseBuilder.addDataset(datasetBuilder.build());
} else {
Dataset dataset = newDataset(context, autofillFields, clientFormData);
if (dataset != null) {
responseBuilder.addDataset(dataset);
}
}
}
}
if (saveType != 0) {
AutofillId[] autofillIds = autofillFields.getAutofillIds();
responseBuilder.setSaveInfo(new SaveInfo.Builder(saveType, autofillIds).build());
return responseBuilder.build();
} else {
Log.d(TAG, "These fields are not meant to be saved by autofill.");
return null;
}
}
}
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