ErrorMessageFragment.java
/*
* Copyright 2021 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 androidx.car.app.activity;
import static androidx.annotation.RestrictTo.Scope.LIBRARY;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.annotation.RestrictTo;
import androidx.annotation.VisibleForTesting;
import androidx.car.app.automotive.R;
import androidx.fragment.app.Fragment;
import java.util.List;
/**
* A {@link Fragment} to show error message on {@link CarAppActivity}
*
* @hide
*/
@RestrictTo(LIBRARY)
public final class ErrorMessageFragment extends Fragment {
private static final String ERROR_TYPE_ARGS_KEY = "errorType";
private static final String VENDING_PACKAGE = "com.android.vending";
static final String ACTION_RENDER = "android.car.template.host.RendererService";
/** Returns an new Instance of {@link ErrorMessageFragment} */
@NonNull
static ErrorMessageFragment newInstance(@NonNull ErrorHandler.ErrorType errorType) {
ErrorMessageFragment errorMessageFragment = new ErrorMessageFragment();
errorMessageFragment.setArguments(getBundle(errorType));
return errorMessageFragment;
}
@VisibleForTesting
@NonNull
static Bundle getBundle(ErrorHandler.ErrorType errorType) {
Bundle bundle = new Bundle();
bundle.putInt(ERROR_TYPE_ARGS_KEY, errorType.ordinal());
return bundle;
}
@NonNull
@Override
public View onCreateView(
@NonNull LayoutInflater inflater,
@Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.error_message_fragment, container, false);
update(rootView);
return rootView;
}
private void update(@NonNull View rootView) {
ErrorHandler.ErrorType errorType = getErrorType();
TextView errorMessage = rootView.findViewById(R.id.error_message);
Button actionButton = rootView.findViewById(R.id.action_button);
errorMessage.setText(getString(errorType.getMessageResId()));
actionButton.setText(getString(errorType.getActionType().getActionResId()));
actionButton.setOnClickListener(v -> onClick(errorType.getActionType()));
}
@VisibleForTesting
@NonNull
ErrorHandler.ErrorType getErrorType() {
Bundle args = requireArguments();
return ErrorHandler.ErrorType.values()[args.getInt(ERROR_TYPE_ARGS_KEY)];
}
private void onClick(@NonNull ErrorHandler.ActionType actionType) {
switch (actionType) {
case UPDATE_HOST:
startActivity(getVendingIntent());
// Fall through
case FINISH:
requireActivity().finish();
return;
}
throw new IllegalArgumentException("Unknown action type: " + actionType);
}
private Intent getVendingIntent() {
Intent rendererIntent = new Intent(ACTION_RENDER);
List<ResolveInfo> resolveInfoList =
requireActivity().getPackageManager().queryIntentServices(
rendererIntent,
PackageManager.GET_META_DATA
);
// Redirect to the PlayStore package detail if only one packages that handles
// ACTION_RENDER is found. if found multiple or none, redirect to the PlayStore main
// page.
if (resolveInfoList.size() == 1) {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setPackage("com.android.vending");
intent.setData(Uri.parse(
"https://play.google.com/store/apps/details?id="
+ resolveInfoList.get(0).serviceInfo.packageName)
);
return intent;
} else {
return requireActivity().getPackageManager().getLaunchIntentForPackage(VENDING_PACKAGE);
}
}
}