app/src/main/java/com/stoutner/privacybrowser/fragments/AboutTabFragment.java

   1 /*
   2  * Copyright 2016-2017 Soren Stoutner <soren@stoutner.com>.
   3  *
   4  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
   5  *
   6  * Privacy Browser is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Privacy Browser is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with Privacy Browser.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 package com.stoutner.privacybrowser.fragments;
  21
  22 import android.os.Build;
  23 import android.os.Bundle;
  24 import android.support.v4.app.Fragment;
  25 import android.text.SpannableStringBuilder;
  26 import android.text.Spanned;
  27 import android.text.style.ForegroundColorSpan;
  28 import android.view.LayoutInflater;
  29 import android.view.View;
  30 import android.view.ViewGroup;
  31 import android.webkit.WebView;
  32 import android.widget.TextView;
  33
  34 import com.stoutner.privacybrowser.BuildConfig;
  35 import com.stoutner.privacybrowser.R;
  36
  37 public class AboutTabFragment extends Fragment {
  38     private int tabNumber;
  39
  40     // AboutTabFragment.createTab stores the tab number in the bundle arguments so it can be referenced from onCreate().
  41     public static AboutTabFragment createTab(int tab) {
  42         Bundle thisTabArguments = new Bundle();
  43         thisTabArguments.putInt("Tab", tab);
  44
  45         AboutTabFragment thisTab = new AboutTabFragment();
  46         thisTab.setArguments(thisTabArguments);
  47         return thisTab;
  48     }
  49
  50     @Override
  51     public void onCreate(Bundle savedInstanceState) {
  52         super.onCreate(savedInstanceState);
  53
  54         // Store the tab number in tabNumber.
  55         tabNumber = getArguments().getInt("Tab");
  56     }
  57
  58     @Override
  59     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
  60         View tabLayout;
  61
  62         // Load the tabs.  Tab numbers start at 0.
  63         if (tabNumber == 0) {  // Load the about tab.
  64             // Setting false at the end of inflater.inflate does not attach the inflated layout as a child of container.
  65             // The fragment will take care of attaching the root automatically.
  66             tabLayout = inflater.inflate(R.layout.about_tab_version, container, false);
  67
  68             // Get handles for the `TextViews`.
  69             TextView versionNumberTextView = (TextView) tabLayout.findViewById(R.id.about_version_number);
  70             TextView versionBrandTextView = (TextView) tabLayout.findViewById(R.id.about_version_brand);
  71             TextView versionManufacturerTextView = (TextView) tabLayout.findViewById(R.id.about_version_manufacturer);
  72             TextView versionModelTextView = (TextView) tabLayout.findViewById(R.id.about_version_model);
  73             TextView versionDeviceTextView = (TextView) tabLayout.findViewById(R.id.about_version_device);
  74             TextView versionBootloaderTextView = (TextView) tabLayout.findViewById(R.id.about_version_bootloader);
  75             TextView versionRadioTextView = (TextView) tabLayout.findViewById(R.id.about_version_radio);
  76             TextView versionAndroidTextView = (TextView) tabLayout.findViewById(R.id.about_version_android);
  77             TextView versionBuildTextView = (TextView) tabLayout.findViewById(R.id.about_version_build);
  78             TextView versionSecurityPatchTextView = (TextView) tabLayout.findViewById(R.id.about_version_securitypatch);
  79             TextView versionWebKitTextView = (TextView) tabLayout.findViewById(R.id.about_version_webkit);
  80             TextView versionChromeText = (TextView) tabLayout.findViewById(R.id.about_version_chrome);
  81
  82             // Setup the labels.
  83             String version = getString(R.string.version) + " " + BuildConfig.VERSION_NAME + " (" + getString(R.string.version_code) + " " + Integer.toString(BuildConfig.VERSION_CODE) + ")";
  84             String brandLabel = getString(R.string.brand) + "  ";
  85             String manufacturerLabel = getString(R.string.manufacturer) + "  ";
  86             String modelLabel = getString(R.string.model) + "  ";
  87             String deviceLabel = getString(R.string.device) + "  ";
  88             String bootloaderLabel = getString(R.string.bootloader) + "  ";
  89             String androidLabel = getString(R.string.android) + "  ";
  90             String buildLabel = getString(R.string.build) + "  ";
  91             String webKitLabel = getString(R.string.webkit) + "  ";
  92             String chromeLabel = getString(R.string.chrome) + "  ";
  93
  94             // `webViewLayout` is only used to get the default user agent from `bare_webview`.  It is not used to render content on the screen.
  95             View webViewLayout = inflater.inflate(R.layout.bare_webview, container, false);
  96             WebView tabLayoutWebView = (WebView) webViewLayout.findViewById(R.id.bare_webview);
  97             String userAgentString =  tabLayoutWebView.getSettings().getUserAgentString();
  98
  99             // Get the device's information and store it in strings.
 100             String brand = Build.BRAND;
 101             String manufacturer = Build.MANUFACTURER;
 102             String model = Build.MODEL;
 103             String device = Build.DEVICE;
 104             String bootloader = Build.BOOTLOADER;
 105             String radio = Build.getRadioVersion();
 106             String android = Build.VERSION.RELEASE + " (" + getString(R.string.api) + " " + Integer.toString(Build.VERSION.SDK_INT) + ")";
 107             String build = Build.DISPLAY;
 108             // Select the substring that begins after "Safari/" and goes to the end of the string.
 109             String webKit = userAgentString.substring(userAgentString.indexOf("Safari/") + 7);
 110             // Select the substring that begins after "Chrome/" and goes until the next " ".
 111             String chrome = userAgentString.substring(userAgentString.indexOf("Chrome/") + 7, userAgentString.indexOf(" ", userAgentString.indexOf("Chrome/")));
 112
 113             // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text.
 114             SpannableStringBuilder brandStringBuilder = new SpannableStringBuilder(brandLabel + brand);
 115             SpannableStringBuilder manufacturerStringBuilder = new SpannableStringBuilder(manufacturerLabel + manufacturer);
 116             SpannableStringBuilder modelStringBuilder = new SpannableStringBuilder(modelLabel + model);
 117             SpannableStringBuilder deviceStringBuilder = new SpannableStringBuilder(deviceLabel + device);
 118             SpannableStringBuilder bootloaderStringBuilder = new SpannableStringBuilder(bootloaderLabel + bootloader);
 119             SpannableStringBuilder androidStringBuilder = new SpannableStringBuilder(androidLabel + android);
 120             SpannableStringBuilder buildStringBuilder = new SpannableStringBuilder(buildLabel + build);
 121             SpannableStringBuilder webKitStringBuilder = new SpannableStringBuilder(webKitLabel + webKit);
 122             SpannableStringBuilder chromeStringBuilder = new SpannableStringBuilder(chromeLabel + chrome);
 123
 124             // Create a blue `ForegroundColorSpan`.  We have to use the deprecated `getColor` until API >= 23.
 125             @SuppressWarnings("deprecation") ForegroundColorSpan blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
 126
 127             // Setup the spans to display the device information in blue.  `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
 128             brandStringBuilder.setSpan(blueColorSpan, brandLabel.length(), brandStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 129             manufacturerStringBuilder.setSpan(blueColorSpan, manufacturerLabel.length(), manufacturerStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 130             modelStringBuilder.setSpan(blueColorSpan, modelLabel.length(), modelStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 131             deviceStringBuilder.setSpan(blueColorSpan, deviceLabel.length(), deviceStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 132             bootloaderStringBuilder.setSpan(blueColorSpan, bootloaderLabel.length(), bootloaderStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 133             androidStringBuilder.setSpan(blueColorSpan, androidLabel.length(), androidStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 134             buildStringBuilder.setSpan(blueColorSpan, buildLabel.length(), buildStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 135             webKitStringBuilder.setSpan(blueColorSpan, webKitLabel.length(), webKitStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 136             chromeStringBuilder.setSpan(blueColorSpan, chromeLabel.length(), chromeStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 137
 138             // Display the strings.
 139             versionNumberTextView.setText(version);
 140             versionBrandTextView.setText(brandStringBuilder);
 141             versionManufacturerTextView.setText(manufacturerStringBuilder);
 142             versionModelTextView.setText(modelStringBuilder);
 143             versionDeviceTextView.setText(deviceStringBuilder);
 144             versionBootloaderTextView.setText(bootloaderStringBuilder);
 145             versionAndroidTextView.setText(androidStringBuilder);
 146             versionBuildTextView.setText(buildStringBuilder);
 147             versionWebKitTextView.setText(webKitStringBuilder);
 148             versionChromeText.setText(chromeStringBuilder);
 149
 150             // Build.VERSION.SECURITY_PATCH is only available for SDK_INT >= 23.
 151             if (Build.VERSION.SDK_INT >= 23) {
 152                 String securityPatchLabel = getString(R.string.security_patch) + "  ";
 153                 String securityPatch = Build.VERSION.SECURITY_PATCH;
 154                 SpannableStringBuilder securityPatchStringBuilder = new SpannableStringBuilder(securityPatchLabel + securityPatch);
 155                 securityPatchStringBuilder.setSpan(blueColorSpan, securityPatchLabel.length(), securityPatchStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 156                 versionSecurityPatchTextView.setText(securityPatchStringBuilder);
 157             } else { // Hide `versionSecurityPatchTextView`.
 158                 versionSecurityPatchTextView.setVisibility(View.GONE);
 159             }
 160
 161             // Only populate `versionRadioTextView` if there is a radio in the device.
 162             if (!radio.equals("")) {
 163                 String radioLabel = getString(R.string.radio) + "  ";
 164                 SpannableStringBuilder radioStringBuilder = new SpannableStringBuilder(radioLabel + radio);
 165                 radioStringBuilder.setSpan(blueColorSpan, radioLabel.length(), radioStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
 166                 versionRadioTextView.setText(radioStringBuilder);
 167             } else { // Hide `versionRadioTextView`.
 168                 versionRadioTextView.setVisibility(View.GONE);
 169             }
 170         } else { // load a WebView for all the other tabs.  Tab numbers start at 0.
 171             // Setting false at the end of inflater.inflate does not attach the inflated layout as a child of container.
 172             // The fragment will take care of attaching the root automatically.
 173             tabLayout = inflater.inflate(R.layout.bare_webview, container, false);
 174             WebView tabWebView = (WebView) tabLayout;
 175
 176             switch (tabNumber) {
 177                 case 1:
 178                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_permissions.html");
 179                     break;
 180
 181                 case 2:
 182                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_privacy_policy.html");
 183                     break;
 184
 185                 case 3:
 186                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_changelog.html");
 187                     break;
 188
 189                 case 4:
 190                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_licenses.html");
 191                     break;
 192
 193                 case 5:
 194                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_contributors.html");
 195                     break;
 196
 197                 case 6:
 198                     tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_links.html");
 199                     break;
 200
 201                 default:
 202                     break;
 203             }
 204         }
 205
 206         return tabLayout;
 207     }
 208 }