package com.stoutner.privacybrowser.activities;
-import android.Manifest;
import android.app.Activity;
import android.app.Dialog;
-import android.content.ContentResolver;
import android.content.Intent;
import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
-import android.media.MediaScannerConnection;
import android.net.Uri;
-import android.os.Build;
import android.os.Bundle;
import android.preference.PreferenceManager;
-import android.view.View;
import android.view.WindowManager;
import android.widget.EditText;
import android.widget.LinearLayout;
-import android.widget.TextView;
-import androidx.annotation.NonNull;
import androidx.appcompat.app.ActionBar;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.widget.Toolbar;
-import androidx.core.app.ActivityCompat;
-import androidx.core.content.ContextCompat;
-import androidx.core.content.FileProvider;
import androidx.fragment.app.DialogFragment;
import androidx.viewpager.widget.ViewPager;
import com.stoutner.privacybrowser.R;
import com.stoutner.privacybrowser.asynctasks.SaveAboutVersionImage;
import com.stoutner.privacybrowser.dialogs.SaveDialog;
-import com.stoutner.privacybrowser.dialogs.StoragePermissionDialog;
import com.stoutner.privacybrowser.fragments.AboutVersionFragment;
-import com.stoutner.privacybrowser.helpers.FileNameHelper;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.FileOutputStream;
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, StoragePermissionDialog.StoragePermissionDialogListener {
+public class AboutActivity extends AppCompatActivity implements SaveDialog.SaveListener {
// Declare the class variables.
- private String filePathString;
private AboutPagerAdapter aboutPagerAdapter;
- // Declare the class views.
- private LinearLayout aboutVersionLinearLayout;
-
@Override
protected void onCreate(Bundle savedInstanceState) {
// Get a handle for the shared preferences.
aboutTabLayout.setupWithViewPager(aboutViewPager);
}
- @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 path string.
- filePathString = fileNameEditText.getText().toString();
-
- // Get a handle for the about version linear layout.
- aboutVersionLinearLayout = findViewById(R.id.about_version_linearlayout);
-
- // check to see if the storage permission is needed.
- if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // The storage permission has been granted.
- // Save the file according to the type.
- switch (saveType) {
- case SaveDialog.SAVE_ABOUT_VERSION_TEXT:
- // Save the about version text.
- saveAsText(filePathString);
- break;
-
- case SaveDialog.SAVE_ABOUT_VERSION_IMAGE:
- // Save the about version image.
- new SaveAboutVersionImage(this, this, filePathString, aboutVersionLinearLayout).execute();
- break;
- }
-
- // Reset the file path string.
- filePathString = "";
- } else { // The storage permission has not been granted.
- // Get the external private directory file.
- File externalPrivateDirectoryFile = getExternalFilesDir(null);
-
- // Remove the incorrect lint error below that the file might be null.
- assert externalPrivateDirectoryFile != null;
-
- // Get the external private directory string.
- String externalPrivateDirectory = externalPrivateDirectoryFile.toString();
-
- // Check to see if the file path is in the external private directory.
- if (filePathString.startsWith(externalPrivateDirectory)) { // The file path is in the external private directory.
- // Save the webpage according to the type.
- switch (saveType) {
- case SaveDialog.SAVE_ABOUT_VERSION_TEXT:
- // Save the about version text.
- saveAsText(filePathString);
- break;
-
- case SaveDialog.SAVE_ABOUT_VERSION_IMAGE:
- // Save the about version image.
- new SaveAboutVersionImage(this, this, filePathString, aboutVersionLinearLayout).execute();
- break;
- }
-
- // Reset the file path string.
- filePathString = "";
- } else { // The file path is in a public directory.
- // Check if the user has previously denied the storage permission.
- if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) { // Show a dialog explaining the request first.
- // Declare a storage permission dialog fragment.
- DialogFragment storagePermissionDialogFragment;
-
- // Instantiate the storage permission alert dialog according to the type.
- if (saveType == SaveDialog.SAVE_ABOUT_VERSION_TEXT) {
- storagePermissionDialogFragment = StoragePermissionDialog.displayDialog(StoragePermissionDialog.SAVE_TEXT);
- } else {
- storagePermissionDialogFragment = StoragePermissionDialog.displayDialog(StoragePermissionDialog.SAVE_IMAGE);
- }
-
- // Show the storage permission alert dialog. The permission will be requested when the dialog is closed.
- storagePermissionDialogFragment.show(getSupportFragmentManager(), getString(R.string.storage_permission));
- } else { // Show the permission request directly.
- switch (saveType) {
- case SaveDialog.SAVE_ABOUT_VERSION_TEXT:
- // Request the write external storage permission. The text will be saved when it finishes.
- ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, StoragePermissionDialog.SAVE_TEXT);
- break;
-
- case SaveDialog.SAVE_ABOUT_VERSION_IMAGE:
- // Request the write external storage permission. The image will be saved when it finishes.
- ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, StoragePermissionDialog.SAVE_IMAGE);
- break;
- }
-
- }
- }
- }
- }
-
- @Override
- public void onCloseStoragePermissionDialog(int requestType) {
- // Request the write external storage permission according to the request type. About version will be saved when it finishes.
- ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, requestType);
- }
-
- @Override
- public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
- //Only process the results if they exist (this method is triggered when a dialog is presented the first time for an app, but no grant results are included).
- if (grantResults.length > 0) {
- // Check to see if the storage permission was granted. If the dialog was canceled the grant results will be empty.
- if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { // The storage permission was granted.
- switch (requestCode) {
- case StoragePermissionDialog.SAVE_TEXT:
- // Save the about version text.
- saveAsText(filePathString);
- break;
-
- case StoragePermissionDialog.SAVE_IMAGE:
- // Save the about version image.
- new SaveAboutVersionImage(this, this, filePathString, aboutVersionLinearLayout).execute();
- break;
- }
- } else{ // the storage permission was not granted.
- // Display an error snackbar.
- Snackbar.make(aboutVersionLinearLayout, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
- }
-
- // Reset the file path string.
- filePathString = "";
- }
- }
-
// The activity result is called after browsing for a file in the save alert dialog.
@Override
- public void onActivityResult(int requestCode, int resultCode, Intent data) {
+ public void onActivityResult(int requestCode, int resultCode, Intent returnedIntent) {
// Run the default commands.
- super.onActivityResult(requestCode, resultCode, data);
+ 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 dialog view.
EditText fileNameEditText = saveDialog.findViewById(R.id.file_name_edittext);
- TextView fileExistsWarningTextView = saveDialog.findViewById(R.id.file_exists_warning_textview);
// Get the file name URI from the intent.
- Uri fileNameUri = data.getData();
+ Uri fileNameUri = returnedIntent.getData();
- // Process the file name URI if it is not null.
- if (fileNameUri != null) {
- // Instantiate a file name helper.
- FileNameHelper fileNameHelper = new FileNameHelper();
+ // Get the file name string from the URI.
+ String fileNameString = fileNameUri.toString();
- // Convert the file name URI to a file name path.
- String fileNamePath = fileNameHelper.convertUriToFileNamePath(fileNameUri);
+ // Set the file name text.
+ fileNameEditText.setText(fileNameString);
- // Set the file name path as the text of the file nam edit text.
- fileNameEditText.setText(fileNamePath);
-
- // Move the cursor to the end of the file name edit text.
- fileNameEditText.setSelection(fileNamePath.length());
-
- // Hid ethe file exists warning.
- fileExistsWarningTextView.setVisibility(View.GONE);
- }
+ // Move the cursor to the end of the file name edit text.
+ fileNameEditText.setSelection(fileNameString.length());
}
}
}
- private void saveAsText(String fileNameString) {
- try {
- // Get a handle for the about 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));
-
- // Create a file from the file name string.
- File saveFile = new File(fileNameString);
+ @Override
+ public void onSave(int saveType, DialogFragment dialogFragment) {
+ // Get a handle for the dialog.
+ Dialog dialog = dialogFragment.getDialog();
- // Delete the file if it already exists.
- if (saveFile.exists()) {
- //noinspection ResultOfMethodCallIgnored
- saveFile.delete();
- }
+ // Remove the lint warning below that the dialog might be null.
+ assert dialog != null;
- // Create a file buffered writer.
- BufferedWriter fileBufferedWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(saveFile)));
+ // Get a handle for the file name edit text.
+ EditText fileNameEditText = dialog.findViewById(R.id.file_name_edittext);
- // Create a transfer string.
- String transferString;
+ // Get the file name string.
+ String fileNameString = fileNameEditText.getText().toString();
- // 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.
- fileBufferedWriter.append(transferString);
+ // Get a handle for the about version linear layout.
+ LinearLayout aboutVersionLinearLayout = findViewById(R.id.about_version_linearlayout);
- // Append a line break.
- fileBufferedWriter.append("\n");
- }
+ // 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);
- // Close the buffered reader and writer.
- aboutVersionBufferedReader.close();
- fileBufferedWriter.close();
+ // Get the about version text.
+ String aboutVersionString = aboutVersionFragment.getAboutVersionString();
- // Add the file to the list of recent files. This doesn't currently work, but maybe it will someday.
- MediaScannerConnection.scanFile(this, new String[] {fileNameString}, new String[] {"text/plain"}, null);
+ // Create an input stream with the contents of about version.
+ InputStream aboutVersionInputStream = new ByteArrayInputStream(aboutVersionString.getBytes(StandardCharsets.UTF_8));
- // Create an about version saved snackbar.
- Snackbar aboutVersionSavedSnackbar = Snackbar.make(aboutVersionLinearLayout, getString(R.string.file_saved) + " " + fileNameString, Snackbar.LENGTH_SHORT);
+ // Create an about version buffered reader.
+ BufferedReader aboutVersionBufferedReader = new BufferedReader(new InputStreamReader(aboutVersionInputStream));
- // Add an open option to the snackbar.
- aboutVersionSavedSnackbar.setAction(R.string.open, (View view) -> {
- // Get a file for the file name string.
- File file = new File(fileNameString);
+ // Open an output stream.
+ OutputStream outputStream = getContentResolver().openOutputStream(Uri.parse(fileNameString));
- // Declare a file URI variable.
- Uri fileUri;
+ // Create a file buffered writer.
+ BufferedWriter bufferedWriter = new BufferedWriter(new OutputStreamWriter(outputStream));
- // Get the URI for the file according to the Android version.
- if (Build.VERSION.SDK_INT >= 24) { // Use a file provider.
- fileUri = FileProvider.getUriForFile(this, getString(R.string.file_provider), file);
- } else { // Get the raw file path URI.
- fileUri = Uri.fromFile(file);
- }
+ // Create a transfer string.
+ String transferString;
- // Get a handle for the content resolver.
- ContentResolver contentResolver = getContentResolver();
+ // 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);
- // Create an open intent with `ACTION_VIEW`.
- Intent openIntent = new Intent(Intent.ACTION_VIEW);
+ // Append a line break.
+ bufferedWriter.append("\n");
+ }
- // Set the URI and the MIME type.
- openIntent.setDataAndType(fileUri, contentResolver.getType(fileUri));
+ // Flush the buffered writer.
+ bufferedWriter.flush();
- // Allow the app to read the file URI.
- openIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+ // Close the inputs and outputs.
+ aboutVersionBufferedReader.close();
+ aboutVersionInputStream.close();
+ bufferedWriter.close();
+ outputStream.close();
- // Show the chooser.
- startActivity(Intent.createChooser(openIntent, getString(R.string.open)));
- });
+ // 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;
- // Show the about version saved snackbar.
- aboutVersionSavedSnackbar.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();
+ 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