/* * Copyright (C) 2020 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.android.car.rotaryplayground; import android.content.res.Resources; import android.os.Bundle; import android.util.Base64; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.webkit.WebView; import android.widget.Button; import android.widget.CheckBox; import androidx.annotation.Nullable; import androidx.fragment.app.Fragment; import java.io.IOException; import java.io.InputStream; /** Fragment to demo a layout with a {@link WebView}. */ public class WebViewFragment extends Fragment { @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.rotary_web_view, container, false); Button toggleButtonsButton = view.findViewById(R.id.toggle_buttons); Button topButton = view.findViewById(R.id.top_button); WebView webView = view.findViewById(R.id.web_view); Button bottomButton = view.findViewById(R.id.bottom_button); toggleButtonsButton.setOnClickListener(v -> { int buttonVisibility = topButton.getVisibility() == View.GONE ? View.VISIBLE : View.GONE; topButton.setVisibility(buttonVisibility); bottomButton.setVisibility(buttonVisibility); }); Resources res = getResources(); InputStream inputStream = res.openRawResource(R.raw.web_view_html); byte[] byteArray = new byte[0]; try { byteArray = new byte[inputStream.available()]; inputStream.read(byteArray); } catch (IOException e) { Log.w("WebViewFragment", "Can't read HTML"); } String webViewHtml = new String(byteArray); String encodedHtml = Base64.encodeToString(webViewHtml.getBytes(), Base64.NO_PADDING); webView.loadData(encodedHtml, "text/html", "base64"); return view; } }