+++ /dev/null
-/*
- * Copyright © 2016-2021 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.activities;
-
-import android.app.Activity;
-import android.app.Dialog;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.net.Uri;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-import android.view.WindowManager;
-import android.widget.EditText;
-import android.widget.LinearLayout;
-
-import androidx.appcompat.app.ActionBar;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.appcompat.widget.Toolbar;
-import androidx.fragment.app.DialogFragment;
-import androidx.viewpager.widget.ViewPager;
-
-import com.google.android.material.snackbar.Snackbar;
-import com.google.android.material.tabs.TabLayout;
-
-import com.stoutner.privacybrowser.adapters.AboutPagerAdapter;
-import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.asynctasks.SaveAboutVersionImage;
-import com.stoutner.privacybrowser.dialogs.SaveDialog;
-import com.stoutner.privacybrowser.fragments.AboutVersionFragment;
-
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
-import java.io.ByteArrayInputStream;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.nio.charset.StandardCharsets;
-
-public class AboutActivity extends AppCompatActivity implements SaveDialog.SaveListener {
- // Declare the class variables.
- private AboutPagerAdapter aboutPagerAdapter;
-
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- // Get a handle for the shared preferences.
- SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
-
- // Get the screenshot preference.
- boolean allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false);
-
- // Disable screenshots if not allowed.
- if (!allowScreenshots) {
- getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
- }
-
- // Set the theme.
- setTheme(R.style.PrivacyBrowser);
-
- // Run the default commands.
- super.onCreate(savedInstanceState);
-
- // Get the intent that launched the activity.
- Intent launchingIntent = getIntent();
-
- // Store the blocklist versions.
- String[] blocklistVersions = launchingIntent.getStringArrayExtra("blocklist_versions");
-
- // Remove the incorrect lint warning below that the blocklist versions might be null.
- assert blocklistVersions != null;
-
- // Set the content view.
- setContentView(R.layout.about_coordinatorlayout);
-
- // Get handles for the views.
- Toolbar toolbar = findViewById(R.id.about_toolbar);
- TabLayout aboutTabLayout = findViewById(R.id.about_tablayout);
- ViewPager aboutViewPager = findViewById(R.id.about_viewpager);
-
- // Set the action bar. `SupportActionBar` must be used until the minimum API is >= 21.
- setSupportActionBar(toolbar);
-
- // Get a handle for the action bar.
- final ActionBar actionBar = getSupportActionBar();
-
- // Remove the incorrect lint warning that the action bar might be null.
- assert actionBar != null; //
-
- // Display the home arrow on action bar.
- actionBar.setDisplayHomeAsUpEnabled(true);
-
- // Initialize the about pager adapter.
- aboutPagerAdapter = new AboutPagerAdapter(getSupportFragmentManager(), getApplicationContext(), blocklistVersions);
-
- // Setup the ViewPager.
- aboutViewPager.setAdapter(aboutPagerAdapter);
-
- // Keep all the tabs in memory. This prevents the memory usage updater from running multiple times.
- aboutViewPager.setOffscreenPageLimit(10);
-
- // Connect the tab layout to the view pager.
- aboutTabLayout.setupWithViewPager(aboutViewPager);
- }
-
- // The activity result is called after browsing for a file in the save alert dialog.
- @Override
- public void onActivityResult(int requestCode, int resultCode, Intent returnedIntent) {
- // Run the default commands.
- super.onActivityResult(requestCode, resultCode, returnedIntent);
-
- // Only do something if the user didn't press back from the file picker.
- if (resultCode == Activity.RESULT_OK) {
- // Get a handle for the save dialog fragment.
- DialogFragment saveDialogFragment = (DialogFragment) getSupportFragmentManager().findFragmentByTag(getString(R.string.save_dialog));
-
- // Only update the file name if the dialog still exists.
- if (saveDialogFragment != null) {
- // Get a handle for the save dialog.
- Dialog saveDialog = saveDialogFragment.getDialog();
-
- // Remove the lint warning below that the dialog might be null.
- assert saveDialog != null;
-
- // Get a handle for the dialog view.
- EditText fileNameEditText = saveDialog.findViewById(R.id.file_name_edittext);
-
- // Get the file name URI from the intent.
- Uri fileNameUri = returnedIntent.getData();
-
- // Get the file name string from the URI.
- String fileNameString = fileNameUri.toString();
-
- // Set the file name text.
- fileNameEditText.setText(fileNameString);
-
- // Move the cursor to the end of the file name edit text.
- fileNameEditText.setSelection(fileNameString.length());
- }
- }
- }
-
- @Override
- public void onSave(int saveType, DialogFragment dialogFragment) {
- // Get a handle for the dialog.
- Dialog dialog = dialogFragment.getDialog();
-
- // Remove the lint warning below that the dialog might be null.
- assert dialog != null;
-
- // Get a handle for the file name edit text.
- EditText fileNameEditText = dialog.findViewById(R.id.file_name_edittext);
-
- // Get the file name string.
- String fileNameString = fileNameEditText.getText().toString();
-
- // Get a handle for the about version linear layout.
- LinearLayout aboutVersionLinearLayout = findViewById(R.id.about_version_linearlayout);
-
- // Save the file according to the type.
- switch (saveType) {
- case SaveDialog.SAVE_ABOUT_VERSION_TEXT:
- try {
- // Get a handle for the about version fragment.
- AboutVersionFragment aboutVersionFragment = (AboutVersionFragment) aboutPagerAdapter.getTabFragment(0);
-
- // Get the about version text.
- String aboutVersionString = aboutVersionFragment.getAboutVersionString();
-
- // Create an input stream with the contents of about version.
- InputStream aboutVersionInputStream = new ByteArrayInputStream(aboutVersionString.getBytes(StandardCharsets.UTF_8));
-
- // Create an about version buffered reader.
- BufferedReader aboutVersionBufferedReader = new BufferedReader(new InputStreamReader(aboutVersionInputStream));
-
- // Open an output stream.
- OutputStream outputStream = getContentResolver().openOutputStream(Uri.parse(fileNameString));
-
- // Create a file buffered writer.
- BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(outputStream));
-
- // Create a transfer string.
- String transferString;
-
- // Use the transfer string to copy the about version text from the buffered reader to the buffered writer.
- while ((transferString = aboutVersionBufferedReader.readLine()) != null) {
- // Append the line to the buffered writer.
- bufferedWriter.append(transferString);
-
- // Append a line break.
- bufferedWriter.append("\n");
- }
-
- // Flush the buffered writer.
- bufferedWriter.flush();
-
- // Close the inputs and outputs.
- aboutVersionBufferedReader.close();
- aboutVersionInputStream.close();
- bufferedWriter.close();
- outputStream.close();
-
- // Display a snackbar with the saved about version information.
- Snackbar.make(aboutVersionLinearLayout, getString(R.string.file_saved) + " " + fileNameString, Snackbar.LENGTH_SHORT).show();
- } catch (Exception exception) {
- // Display a snackbar with the error message.
- Snackbar.make(aboutVersionLinearLayout, getString(R.string.error_saving_file) + " " + exception.toString(), Snackbar.LENGTH_INDEFINITE).show();
- }
- break;
-
- case SaveDialog.SAVE_ABOUT_VERSION_IMAGE:
- // Save the about version image.
- new SaveAboutVersionImage(this, fileNameString, aboutVersionLinearLayout).execute();
- break;
- }
- }
-}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff