+++ /dev/null
-/*
- * Copyright © 2016-2020 Soren Stoutner <soren@stoutner.com>.
- *
- * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
- *
- * Privacy Browser is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * Privacy Browser is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.stoutner.privacybrowser.fragments;
-
-import android.annotation.SuppressLint;
-import android.app.Activity;
-import android.app.ActivityManager;
-import android.content.Context;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.Signature;
-import android.content.res.Configuration;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.Handler;
-import android.text.SpannableStringBuilder;
-import android.text.Spanned;
-import android.text.style.ForegroundColorSpan;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.webkit.WebView;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.fragment.app.Fragment;
-import androidx.webkit.WebViewCompat;
-
-import com.stoutner.privacybrowser.BuildConfig;
-import com.stoutner.privacybrowser.R;
-
-import java.io.ByteArrayInputStream;
-import java.io.InputStream;
-import java.math.BigInteger;
-import java.security.Principal;
-import java.security.cert.CertificateException;
-import java.security.cert.CertificateFactory;
-import java.security.cert.X509Certificate;
-import java.text.DateFormat;
-import java.text.NumberFormat;
-import java.util.Date;
-
-public class AboutTabFragment extends Fragment {
- // Declare the class constants.
- final static String TAB_NUMBER = "tab_number";
- final static String BLOCKLIST_VERSIONS = "blocklist_versions";
- final long MEBIBYTE = 1048576;
-
- // Declare the class variables.
- private boolean updateMemoryUsageBoolean = true;
- private int tabNumber;
- private String[] blocklistVersions;
- private View tabLayout;
- private String appConsumedMemoryLabel;
- private String appAvailableMemoryLabel;
- private String appTotalMemoryLabel;
- private String appMaximumMemoryLabel;
- private String systemConsumedMemoryLabel;
- private String systemAvailableMemoryLabel;
- private String systemTotalMemoryLabel;
- private Runtime runtime;
- private ActivityManager activityManager;
- private ActivityManager.MemoryInfo memoryInfo;
- private NumberFormat numberFormat;
- private ForegroundColorSpan blueColorSpan;
-
- // Declare the class views.
- private TextView appConsumedMemoryTextView;
- private TextView appAvailableMemoryTextView;
- private TextView appTotalMemoryTextView;
- private TextView appMaximumMemoryTextView;
- private TextView systemConsumedMemoryTextView;
- private TextView systemAvailableMemoryTextView;
- private TextView systemTotalMemoryTextView;
-
- public static AboutTabFragment createTab(int tabNumber, String[] blocklistVersions) {
- // Create a bundle.
- Bundle argumentsBundle = new Bundle();
-
- // Store the tab number in the bundle.
- argumentsBundle.putInt(TAB_NUMBER, tabNumber);
- argumentsBundle.putStringArray(BLOCKLIST_VERSIONS, blocklistVersions);
-
- // Create a new instance of the tab fragment.
- AboutTabFragment aboutTabFragment = new AboutTabFragment();
-
- // Add the arguments bundle to the fragment.
- aboutTabFragment.setArguments(argumentsBundle);
-
- // Return the new fragment.
- return aboutTabFragment;
- }
-
- @Override
- public void onCreate(Bundle savedInstanceState) {
- // Run the default commands.
- super.onCreate(savedInstanceState);
-
- // Get a handle for the arguments.
- Bundle arguments = getArguments();
-
- // Remove the incorrect lint warning below that arguments might be null.
- assert arguments != null;
-
- // Store the arguments in class variables.
- tabNumber = getArguments().getInt(TAB_NUMBER);
- blocklistVersions = getArguments().getStringArray(BLOCKLIST_VERSIONS);
- }
-
- @Override
- public View onCreateView(@NonNull LayoutInflater layoutInflater, ViewGroup container, Bundle savedInstanceState) {
- // Get a handle for the context and assert that it isn't null.
- Context context = getContext();
- assert context != null;
-
- // Get the current theme status.
- int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
-
- // Load the tabs. Tab numbers start at 0.
- if (tabNumber == 0) { // Load the about tab.
- // Setting false at the end of inflater.inflate does not attach the inflated layout as a child of container. The fragment will take care of attaching the root automatically.
- tabLayout = layoutInflater.inflate(R.layout.about_tab_version, container, false);
-
- // Get handles for the text views.
- TextView versionTextView = tabLayout.findViewById(R.id.version);
- TextView brandTextView = tabLayout.findViewById(R.id.brand);
- TextView manufacturerTextView = tabLayout.findViewById(R.id.manufacturer);
- TextView modelTextView = tabLayout.findViewById(R.id.model);
- TextView deviceTextView = tabLayout.findViewById(R.id.device);
- TextView bootloaderTextView = tabLayout.findViewById(R.id.bootloader);
- TextView radioTextView = tabLayout.findViewById(R.id.radio);
- TextView androidTextView = tabLayout.findViewById(R.id.android);
- TextView securityPatchTextView = tabLayout.findViewById(R.id.security_patch);
- TextView buildTextView = tabLayout.findViewById(R.id.build);
- TextView webViewProviderTextView = tabLayout.findViewById(R.id.webview_provider);
- TextView webViewVersionTextView = tabLayout.findViewById(R.id.webview_version);
- TextView orbotTextView = tabLayout.findViewById(R.id.orbot);
- TextView i2pTextView = tabLayout.findViewById(R.id.i2p);
- TextView openKeychainTextView = tabLayout.findViewById(R.id.open_keychain);
- appConsumedMemoryTextView = tabLayout.findViewById(R.id.app_consumed_memory);
- appAvailableMemoryTextView = tabLayout.findViewById(R.id.app_available_memory);
- appTotalMemoryTextView = tabLayout.findViewById(R.id.app_total_memory);
- appMaximumMemoryTextView = tabLayout.findViewById(R.id.app_maximum_memory);
- systemConsumedMemoryTextView = tabLayout.findViewById(R.id.system_consumed_memory);
- systemAvailableMemoryTextView = tabLayout.findViewById(R.id.system_available_memory);
- systemTotalMemoryTextView = tabLayout.findViewById(R.id.system_total_memory);
- TextView easyListTextView = tabLayout.findViewById(R.id.easylist);
- TextView easyPrivacyTextView = tabLayout.findViewById(R.id.easyprivacy);
- TextView fanboyAnnoyanceTextView = tabLayout.findViewById(R.id.fanboy_annoyance);
- TextView fanboySocialTextView = tabLayout.findViewById(R.id.fanboy_social);
- TextView ultraListTextView = tabLayout.findViewById(R.id.ultralist);
- TextView ultraPrivacyTextView = tabLayout.findViewById(R.id.ultraprivacy);
- TextView certificateIssuerDNTextView = tabLayout.findViewById(R.id.certificate_issuer_dn);
- TextView certificateSubjectDNTextView = tabLayout.findViewById(R.id.certificate_subject_dn);
- TextView certificateStartDateTextView = tabLayout.findViewById(R.id.certificate_start_date);
- TextView certificateEndDateTextView = tabLayout.findViewById(R.id.certificate_end_date);
- TextView certificateVersionTextView = tabLayout.findViewById(R.id.certificate_version);
- TextView certificateSerialNumberTextView = tabLayout.findViewById(R.id.certificate_serial_number);
- TextView certificateSignatureAlgorithmTextView = tabLayout.findViewById(R.id.certificate_signature_algorithm);
-
- // Setup the labels.
- String version = getString(R.string.version) + " " + BuildConfig.VERSION_NAME + " (" + getString(R.string.version_code) + " " + BuildConfig.VERSION_CODE + ")";
- String brandLabel = getString(R.string.brand) + " ";
- String manufacturerLabel = getString(R.string.manufacturer) + " ";
- String modelLabel = getString(R.string.model) + " ";
- String deviceLabel = getString(R.string.device) + " ";
- String bootloaderLabel = getString(R.string.bootloader) + " ";
- String androidLabel = getString(R.string.android) + " ";
- String buildLabel = getString(R.string.build) + " ";
- String webViewVersionLabel = getString(R.string.webview_version) + " ";
- appConsumedMemoryLabel = getString(R.string.app_consumed_memory) + " ";
- appAvailableMemoryLabel = getString(R.string.app_available_memory) + " ";
- appTotalMemoryLabel = getString(R.string.app_total_memory) + " ";
- appMaximumMemoryLabel = getString(R.string.app_maximum_memory) + " ";
- systemConsumedMemoryLabel = getString(R.string.system_consumed_memory) + " ";
- systemAvailableMemoryLabel = getString(R.string.system_available_memory) + " ";
- systemTotalMemoryLabel = getString(R.string.system_total_memory) + " ";
- String easyListLabel = getString(R.string.easylist_label) + " ";
- String easyPrivacyLabel = getString(R.string.easyprivacy_label) + " ";
- String fanboyAnnoyanceLabel = getString(R.string.fanboy_annoyance_label) + " ";
- String fanboySocialLabel = getString(R.string.fanboy_social_label) + " ";
- String ultraListLabel = getString(R.string.ultralist_label) + " ";
- String ultraPrivacyLabel = getString(R.string.ultraprivacy_label) + " ";
- String issuerDNLabel = getString(R.string.issuer_dn) + " ";
- String subjectDNLabel = getString(R.string.subject_dn) + " ";
- String startDateLabel = getString(R.string.start_date) + " ";
- String endDateLabel = getString(R.string.end_date) + " ";
- String certificateVersionLabel = getString(R.string.certificate_version) + " ";
- String serialNumberLabel = getString(R.string.serial_number) + " ";
- String signatureAlgorithmLabel = getString(R.string.signature_algorithm) + " ";
-
- // The WebView layout is only used to get the default user agent from `bare_webview`. It is not used to render content on the screen.
- // Once the minimum API >= 26 this can be accomplished with the WebView package info.
- View webViewLayout = layoutInflater.inflate(R.layout.bare_webview, container, false);
- WebView tabLayoutWebView = webViewLayout.findViewById(R.id.bare_webview);
- String userAgentString = tabLayoutWebView.getSettings().getUserAgentString();
-
- // Get the device's information and store it in strings.
- String brand = Build.BRAND;
- String manufacturer = Build.MANUFACTURER;
- String model = Build.MODEL;
- String device = Build.DEVICE;
- String bootloader = Build.BOOTLOADER;
- String radio = Build.getRadioVersion();
- String android = Build.VERSION.RELEASE + " (" + getString(R.string.api) + " " + Build.VERSION.SDK_INT + ")";
- String build = Build.DISPLAY;
- // Select the substring that begins after `Chrome/` and goes until the next ` `.
- String webView = userAgentString.substring(userAgentString.indexOf("Chrome/") + 7, userAgentString.indexOf(" ", userAgentString.indexOf("Chrome/")));
-
- // Get the Orbot version name if Orbot is installed.
- String orbot;
- try {
- // Store the version name.
- orbot = context.getPackageManager().getPackageInfo("org.torproject.android", 0).versionName;
- } catch (PackageManager.NameNotFoundException exception) { // Orbot is not installed.
- orbot = "";
- }
-
- // Get the I2P version name if I2P is installed.
- String i2p;
- try {
- // Store the version name.
- i2p = context.getPackageManager().getPackageInfo("net.i2p.android.router", 0).versionName;
- } catch (PackageManager.NameNotFoundException exception) { // I2P is not installed.
- i2p = "";
- }
-
- // Get the OpenKeychain version name if it is installed.
- String openKeychain;
- try {
- // Store the version name.
- openKeychain = context.getPackageManager().getPackageInfo("org.sufficientlysecure.keychain", 0).versionName;
- } catch (PackageManager.NameNotFoundException exception) { // OpenKeychain is not installed.
- openKeychain = "";
- }
-
- // Create a spannable string builder for the hardware and software text views that needs multiple colors of text.
- SpannableStringBuilder brandStringBuilder = new SpannableStringBuilder(brandLabel + brand);
- SpannableStringBuilder manufacturerStringBuilder = new SpannableStringBuilder(manufacturerLabel + manufacturer);
- SpannableStringBuilder modelStringBuilder = new SpannableStringBuilder(modelLabel + model);
- SpannableStringBuilder deviceStringBuilder = new SpannableStringBuilder(deviceLabel + device);
- SpannableStringBuilder bootloaderStringBuilder = new SpannableStringBuilder(bootloaderLabel + bootloader);
- SpannableStringBuilder androidStringBuilder = new SpannableStringBuilder(androidLabel + android);
- SpannableStringBuilder buildStringBuilder = new SpannableStringBuilder(buildLabel + build);
- SpannableStringBuilder webViewVersionStringBuilder = new SpannableStringBuilder(webViewVersionLabel + webView);
- SpannableStringBuilder easyListStringBuilder = new SpannableStringBuilder(easyListLabel + blocklistVersions[0]);
- SpannableStringBuilder easyPrivacyStringBuilder = new SpannableStringBuilder(easyPrivacyLabel + blocklistVersions[1]);
- SpannableStringBuilder fanboyAnnoyanceStringBuilder = new SpannableStringBuilder(fanboyAnnoyanceLabel + blocklistVersions[2]);
- SpannableStringBuilder fanboySocialStringBuilder = new SpannableStringBuilder(fanboySocialLabel + blocklistVersions[3]);
- SpannableStringBuilder ultraListStringBuilder = new SpannableStringBuilder(ultraListLabel + blocklistVersions[4]);
- SpannableStringBuilder ultraPrivacyStringBuilder = new SpannableStringBuilder(ultraPrivacyLabel + blocklistVersions[5]);
-
- // Set the blue color span according to the theme. The deprecated `getResources()` must be used until the minimum API >= 23.
- if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
- blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.blue_700));
- } else {
- blueColorSpan = new ForegroundColorSpan(getResources().getColor(R.color.violet_500));
- }
-
- // Setup the spans to display the device information in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
- brandStringBuilder.setSpan(blueColorSpan, brandLabel.length(), brandStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- manufacturerStringBuilder.setSpan(blueColorSpan, manufacturerLabel.length(), manufacturerStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- modelStringBuilder.setSpan(blueColorSpan, modelLabel.length(), modelStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- deviceStringBuilder.setSpan(blueColorSpan, deviceLabel.length(), deviceStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- bootloaderStringBuilder.setSpan(blueColorSpan, bootloaderLabel.length(), bootloaderStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- androidStringBuilder.setSpan(blueColorSpan, androidLabel.length(), androidStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- buildStringBuilder.setSpan(blueColorSpan, buildLabel.length(), buildStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- webViewVersionStringBuilder.setSpan(blueColorSpan, webViewVersionLabel.length(), webViewVersionStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- easyListStringBuilder.setSpan(blueColorSpan, easyListLabel.length(), easyListStringBuilder.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
- easyPrivacyStringBuilder.setSpan(blueColorSpan, easyPrivacyLabel.length(), easyPrivacyStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- fanboyAnnoyanceStringBuilder.setSpan(blueColorSpan, fanboyAnnoyanceLabel.length(), fanboyAnnoyanceStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- fanboySocialStringBuilder.setSpan(blueColorSpan, fanboySocialLabel.length(), fanboySocialStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- ultraListStringBuilder.setSpan(blueColorSpan, ultraListLabel.length(), ultraListStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- ultraPrivacyStringBuilder.setSpan(blueColorSpan, ultraPrivacyLabel.length(), ultraPrivacyStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
-
- // Display the strings in the text boxes.
- versionTextView.setText(version);
- brandTextView.setText(brandStringBuilder);
- manufacturerTextView.setText(manufacturerStringBuilder);
- modelTextView.setText(modelStringBuilder);
- deviceTextView.setText(deviceStringBuilder);
- bootloaderTextView.setText(bootloaderStringBuilder);
- androidTextView.setText(androidStringBuilder);
- buildTextView.setText(buildStringBuilder);
- webViewVersionTextView.setText(webViewVersionStringBuilder);
- easyListTextView.setText(easyListStringBuilder);
- easyPrivacyTextView.setText(easyPrivacyStringBuilder);
- fanboyAnnoyanceTextView.setText(fanboyAnnoyanceStringBuilder);
- fanboySocialTextView.setText(fanboySocialStringBuilder);
- ultraListTextView.setText(ultraListStringBuilder);
- ultraPrivacyTextView.setText(ultraPrivacyStringBuilder);
-
- // Only populate the radio text view if there is a radio in the device.
- if (!radio.isEmpty()) {
- String radioLabel = getString(R.string.radio) + " ";
- SpannableStringBuilder radioStringBuilder = new SpannableStringBuilder(radioLabel + radio);
- radioStringBuilder.setSpan(blueColorSpan, radioLabel.length(), radioStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- radioTextView.setText(radioStringBuilder);
- } else { // This device does not have a radio.
- radioTextView.setVisibility(View.GONE);
- }
-
- // Build.VERSION.SECURITY_PATCH is only available for SDK_INT >= 23.
- if (Build.VERSION.SDK_INT >= 23) {
- String securityPatchLabel = getString(R.string.security_patch) + " ";
- String securityPatch = Build.VERSION.SECURITY_PATCH;
- SpannableStringBuilder securityPatchStringBuilder = new SpannableStringBuilder(securityPatchLabel + securityPatch);
- securityPatchStringBuilder.setSpan(blueColorSpan, securityPatchLabel.length(), securityPatchStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- securityPatchTextView.setText(securityPatchStringBuilder);
- } else { // The API < 23.
- // Hide the security patch text view.
- securityPatchTextView.setVisibility(View.GONE);
- }
-
- // Only populate the WebView provider if the SDK >= 21.
- if (Build.VERSION.SDK_INT >= 21) {
- // Create the WebView provider label.
- String webViewProviderLabel = getString(R.string.webview_provider) + " ";
-
- // Get the current WebView package info.
- PackageInfo webViewPackageInfo = WebViewCompat.getCurrentWebViewPackage(context);
-
- // Remove the warning below that the package info might be null.
- assert webViewPackageInfo != null;
-
- // Get the WebView provider name.
- String webViewPackageName = webViewPackageInfo.packageName;
-
- // Create the spannable string builder.
- SpannableStringBuilder webViewProviderStringBuilder = new SpannableStringBuilder(webViewProviderLabel + webViewPackageName);
-
- // Apply the coloration.
- webViewProviderStringBuilder.setSpan(blueColorSpan, webViewProviderLabel.length(), webViewProviderStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
-
- // Display the WebView provider.
- webViewProviderTextView.setText(webViewProviderStringBuilder);
- } else { // The API < 21.
- // Hide the WebView provider text view.
- webViewProviderTextView.setVisibility(View.GONE);
- }
-
- // Only populate the Orbot text view if it is installed.
- if (!orbot.isEmpty()) {
- String orbotLabel = getString(R.string.orbot) + " ";
- SpannableStringBuilder orbotStringBuilder = new SpannableStringBuilder(orbotLabel + orbot);
- orbotStringBuilder.setSpan(blueColorSpan, orbotLabel.length(), orbotStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- orbotTextView.setText(orbotStringBuilder);
- } else { // Orbot is not installed.
- orbotTextView.setVisibility(View.GONE);
- }
-
- // Only populate the I2P text view if it is installed.
- if (!i2p.isEmpty()) {
- String i2pLabel = getString(R.string.i2p) + " ";
- SpannableStringBuilder i2pStringBuilder = new SpannableStringBuilder(i2pLabel + i2p);
- i2pStringBuilder.setSpan(blueColorSpan, i2pLabel.length(), i2pStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- i2pTextView.setText(i2pStringBuilder);
- } else { // I2P is not installed.
- i2pTextView.setVisibility(View.GONE);
- }
-
- // Only populate the OpenKeychain text view if it is installed.
- if (!openKeychain.isEmpty()) {
- String openKeychainLabel = getString(R.string.openkeychain) + " ";
- SpannableStringBuilder openKeychainStringBuilder = new SpannableStringBuilder(openKeychainLabel + openKeychain);
- openKeychainStringBuilder.setSpan(blueColorSpan, openKeychainLabel.length(), openKeychainStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- openKeychainTextView.setText(openKeychainStringBuilder);
- } else { //OpenKeychain is not installed.
- openKeychainTextView.setVisibility(View.GONE);
- }
-
- // Display the package signature.
- try {
- // Get the first package signature. Suppress the lint warning about the need to be careful in implementing comparison of certificates for security purposes.
- @SuppressLint("PackageManagerGetSignatures") Signature packageSignature = getContext().getPackageManager().getPackageInfo(getContext().getPackageName(),
- PackageManager.GET_SIGNATURES).signatures[0];
-
- // Convert the signature to a byte array input stream.
- InputStream certificateByteArrayInputStream = new ByteArrayInputStream(packageSignature.toByteArray());
-
- // Display the certificate information on the screen.
- try {
- // Instantiate a `CertificateFactory`.
- CertificateFactory certificateFactory = CertificateFactory.getInstance("X509");
-
- // Generate an `X509Certificate`.
- X509Certificate x509Certificate = (X509Certificate) certificateFactory.generateCertificate(certificateByteArrayInputStream);
-
- // Store the individual sections of the certificate that we are interested in.
- Principal issuerDNPrincipal = x509Certificate.getIssuerDN();
- Principal subjectDNPrincipal = x509Certificate.getSubjectDN();
- Date startDate = x509Certificate.getNotBefore();
- Date endDate = x509Certificate.getNotAfter();
- int certificateVersion = x509Certificate.getVersion();
- BigInteger serialNumberBigInteger = x509Certificate.getSerialNumber();
- String signatureAlgorithmNameString = x509Certificate.getSigAlgName();
-
- // Create a `SpannableStringBuilder` for each `TextView` that needs multiple colors of text.
- SpannableStringBuilder issuerDNStringBuilder = new SpannableStringBuilder(issuerDNLabel + issuerDNPrincipal.toString());
- SpannableStringBuilder subjectDNStringBuilder = new SpannableStringBuilder(subjectDNLabel + subjectDNPrincipal.toString());
- SpannableStringBuilder startDateStringBuilder = new SpannableStringBuilder(startDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(startDate));
- SpannableStringBuilder endDataStringBuilder = new SpannableStringBuilder(endDateLabel + DateFormat.getDateTimeInstance(DateFormat.MEDIUM, DateFormat.LONG).format(endDate));
- SpannableStringBuilder certificateVersionStringBuilder = new SpannableStringBuilder(certificateVersionLabel + certificateVersion);
- SpannableStringBuilder serialNumberStringBuilder = new SpannableStringBuilder(serialNumberLabel + serialNumberBigInteger);
- SpannableStringBuilder signatureAlgorithmStringBuilder = new SpannableStringBuilder(signatureAlgorithmLabel + signatureAlgorithmNameString);
-
- // Setup the spans to display the device information in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
- issuerDNStringBuilder.setSpan(blueColorSpan, issuerDNLabel.length(), issuerDNStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- subjectDNStringBuilder.setSpan(blueColorSpan, subjectDNLabel.length(), subjectDNStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- startDateStringBuilder.setSpan(blueColorSpan, startDateLabel.length(), startDateStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- endDataStringBuilder.setSpan(blueColorSpan, endDateLabel.length(), endDataStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- certificateVersionStringBuilder.setSpan(blueColorSpan, certificateVersionLabel.length(), certificateVersionStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- serialNumberStringBuilder.setSpan(blueColorSpan, serialNumberLabel.length(), serialNumberStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- signatureAlgorithmStringBuilder.setSpan(blueColorSpan, signatureAlgorithmLabel.length(), signatureAlgorithmStringBuilder.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE);
-
- // Display the strings in the text boxes.
- certificateIssuerDNTextView.setText(issuerDNStringBuilder);
- certificateSubjectDNTextView.setText(subjectDNStringBuilder);
- certificateStartDateTextView.setText(startDateStringBuilder);
- certificateEndDateTextView.setText(endDataStringBuilder);
- certificateVersionTextView.setText(certificateVersionStringBuilder);
- certificateSerialNumberTextView.setText(serialNumberStringBuilder);
- certificateSignatureAlgorithmTextView.setText(signatureAlgorithmStringBuilder);
- } catch (CertificateException e) {
- // Do nothing if there is a certificate error.
- }
-
- // Get a handle for the runtime.
- runtime = Runtime.getRuntime();
-
- // Get a handle for the activity.
- Activity activity = getActivity();
-
- // Remove the incorrect lint warning below that the activity might be null.
- assert activity != null;
-
- // Get a handle for the activity manager.
- activityManager = (ActivityManager) activity.getSystemService(Context.ACTIVITY_SERVICE);
-
- // Remove the incorrect lint warning below that the activity manager might be null.
- assert activityManager != null;
-
- // Instantiate a memory info variable.
- memoryInfo = new ActivityManager.MemoryInfo();
-
- // Define a number format.
- numberFormat = NumberFormat.getInstance();
-
- // Set the minimum and maximum number of fraction digits.
- numberFormat.setMinimumFractionDigits(2);
- numberFormat.setMaximumFractionDigits(2);
-
- // Update the memory usage.
- updateMemoryUsage(getActivity());
- } catch (PackageManager.NameNotFoundException e) {
- // Do nothing if `PackageManager` says Privacy Browser isn't installed.
- }
- } else { // load a WebView for all the other tabs. Tab numbers start at 0.
- // Setting false at the end of inflater.inflate does not attach the inflated layout as a child of container. The fragment will take care of attaching the root automatically.
- tabLayout = layoutInflater.inflate(R.layout.bare_webview, container, false);
-
- // Get a handle for `tabWebView`.
- WebView tabWebView = (WebView) tabLayout;
-
- // Load the tabs according to the theme.
- if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) { // The dark theme is applied.
- // Set the background color. The deprecated `.getColor()` must be used until the minimum API >= 23.
- tabWebView.setBackgroundColor(getResources().getColor(R.color.gray_850));
-
- switch (tabNumber) {
- case 1:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_permissions_dark.html");
- break;
-
- case 2:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_privacy_policy_dark.html");
- break;
-
- case 3:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_changelog_dark.html");
- break;
-
- case 4:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_licenses_dark.html");
- break;
-
- case 5:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_contributors_dark.html");
- break;
-
- case 6:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_links_dark.html");
- break;
- }
- } else { // The light theme is applied.
- switch (tabNumber) {
- case 1:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_permissions_light.html");
- break;
-
- case 2:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_privacy_policy_light.html");
- break;
-
- case 3:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_changelog_light.html");
- break;
-
- case 4:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_licenses_light.html");
- break;
-
- case 5:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_contributors_light.html");
- break;
-
- case 6:
- tabWebView.loadUrl("file:///android_asset/" + getString(R.string.android_asset_path) + "/about_links_light.html");
- break;
- }
- }
- }
-
- // Scroll the tab if the saved instance state is not null.
- if (savedInstanceState != null) {
- tabLayout.post(() -> {
- tabLayout.setScrollX(savedInstanceState.getInt("scroll_x"));
- tabLayout.setScrollY(savedInstanceState.getInt("scroll_y"));
- });
- }
-
- // Return the formatted `tabLayout`.
- return tabLayout;
- }
-
- @Override
- public void onPause() {
- // Run the default commands.
- super.onPause();
-
- // Pause the updating of the memory usage.
- updateMemoryUsageBoolean = false;
- }
-
- @Override
- public void onResume() {
- // Run the default commands.
- super.onResume();
-
- // Resume the updating of the memory usage.
- updateMemoryUsageBoolean = true;
- }
-
- @Override
- public void onSaveInstanceState(@NonNull Bundle savedInstanceState) {
- // Run the default commands.
- super.onSaveInstanceState(savedInstanceState);
-
- // Save the scroll positions if the tab layout is not null, which can happen if a tab is not currently selected.
- if (tabLayout != null) {
- savedInstanceState.putInt("scroll_x", tabLayout.getScrollX());
- savedInstanceState.putInt("scroll_y", tabLayout.getScrollY());
- }
- }
-
- public void updateMemoryUsage(Activity activity) {
- try {
- // Update the memory usage if enabled.
- if (updateMemoryUsageBoolean) {
- // Populate the memory info variable.
- activityManager.getMemoryInfo(memoryInfo);
-
- // Get the app memory information.
- long appAvailableMemoryLong = runtime.freeMemory();
- long appTotalMemoryLong = runtime.totalMemory();
- long appMaximumMemoryLong = runtime.maxMemory();
-
- // Calculate the app consumed memory.
- long appConsumedMemoryLong = appTotalMemoryLong - appAvailableMemoryLong;
-
- // Get the system memory information.
- long systemTotalMemoryLong = memoryInfo.totalMem;
- long systemAvailableMemoryLong = memoryInfo.availMem;
-
- // Calculate the system consumed memory.
- long systemConsumedMemoryLong = systemTotalMemoryLong - systemAvailableMemoryLong;
-
- // Convert the memory information into mebibytes.
- float appConsumedMemoryFloat = (float) appConsumedMemoryLong / MEBIBYTE;
- float appAvailableMemoryFloat = (float) appAvailableMemoryLong / MEBIBYTE;
- float appTotalMemoryFloat = (float) appTotalMemoryLong / MEBIBYTE;
- float appMaximumMemoryFloat = (float) appMaximumMemoryLong / MEBIBYTE;
- float systemConsumedMemoryFloat = (float) systemConsumedMemoryLong / MEBIBYTE;
- float systemAvailableMemoryFloat = (float) systemAvailableMemoryLong / MEBIBYTE;
- float systemTotalMemoryFloat = (float) systemTotalMemoryLong / MEBIBYTE;
-
- // Get the mebibyte string.
- String mebibyte = getString(R.string.mebibyte);
-
- // Calculate the mebibyte length.
- int mebibyteLength = mebibyte.length();
-
- // Create spannable string builders.
- SpannableStringBuilder appConsumedMemoryStringBuilder = new SpannableStringBuilder(appConsumedMemoryLabel + numberFormat.format(appConsumedMemoryFloat) + " " + mebibyte);
- SpannableStringBuilder appAvailableMemoryStringBuilder = new SpannableStringBuilder(appAvailableMemoryLabel + numberFormat.format(appAvailableMemoryFloat) + " " + mebibyte);
- SpannableStringBuilder appTotalMemoryStringBuilder = new SpannableStringBuilder(appTotalMemoryLabel + numberFormat.format(appTotalMemoryFloat) + " " + mebibyte);
- SpannableStringBuilder appMaximumMemoryStringBuilder = new SpannableStringBuilder(appMaximumMemoryLabel + numberFormat.format(appMaximumMemoryFloat) + " " + mebibyte);
- SpannableStringBuilder systemConsumedMemoryStringBuilder = new SpannableStringBuilder(systemConsumedMemoryLabel + numberFormat.format(systemConsumedMemoryFloat) + " " + mebibyte);
- SpannableStringBuilder systemAvailableMemoryStringBuilder = new SpannableStringBuilder(systemAvailableMemoryLabel + numberFormat.format(systemAvailableMemoryFloat) + " " + mebibyte);
- SpannableStringBuilder systemTotalMemoryStringBuilder = new SpannableStringBuilder(systemTotalMemoryLabel + numberFormat.format(systemTotalMemoryFloat) + " " + mebibyte);
-
- // Setup the spans to display the memory information in blue. `SPAN_INCLUSIVE_INCLUSIVE` allows the span to grow in either direction.
- appConsumedMemoryStringBuilder.setSpan(blueColorSpan, appConsumedMemoryLabel.length(), appConsumedMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- appAvailableMemoryStringBuilder.setSpan(blueColorSpan, appAvailableMemoryLabel.length(), appAvailableMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- appTotalMemoryStringBuilder.setSpan(blueColorSpan, appTotalMemoryLabel.length(), appTotalMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- appMaximumMemoryStringBuilder.setSpan(blueColorSpan, appMaximumMemoryLabel.length(), appMaximumMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- systemConsumedMemoryStringBuilder.setSpan(blueColorSpan, systemConsumedMemoryLabel.length(), systemConsumedMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- systemAvailableMemoryStringBuilder.setSpan(blueColorSpan, systemAvailableMemoryLabel.length(), systemAvailableMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
- systemTotalMemoryStringBuilder.setSpan(blueColorSpan, systemTotalMemoryLabel.length(), systemTotalMemoryStringBuilder.length() - mebibyteLength, Spanned.SPAN_INCLUSIVE_INCLUSIVE);
-
- // Display the string in the text boxes.
- appConsumedMemoryTextView.setText(appConsumedMemoryStringBuilder);
- appAvailableMemoryTextView.setText(appAvailableMemoryStringBuilder);
- appTotalMemoryTextView.setText(appTotalMemoryStringBuilder);
- appMaximumMemoryTextView.setText(appMaximumMemoryStringBuilder);
- systemConsumedMemoryTextView.setText(systemConsumedMemoryStringBuilder);
- systemAvailableMemoryTextView.setText(systemAvailableMemoryStringBuilder);
- systemTotalMemoryTextView.setText(systemTotalMemoryStringBuilder);
- }
-
- // Schedule another memory update if the activity has not been destroyed.
- if (!activity.isDestroyed()) {
- // Create a handler to update the memory usage.
- Handler updateMemoryUsageHandler = new Handler();
-
- // Create a runnable to update the memory usage.
- Runnable updateMemoryUsageRunnable = () -> updateMemoryUsage(activity);
-
- // Update the memory usage after 1000 milliseconds
- updateMemoryUsageHandler.postDelayed(updateMemoryUsageRunnable, 1000);
- }
- } catch (Exception exception) {
- // Do nothing.
- }
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff