import android.app.Dialog;
import android.content.ClipData;
import android.content.ClipboardManager;
+import android.content.ContentResolver;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.media.MediaScannerConnection;
import android.net.Uri;
-import android.os.AsyncTask;
+import android.os.Build;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.TypedValue;
import android.view.View;
import android.view.WindowManager;
import android.widget.EditText;
+import android.widget.ScrollView;
import android.widget.TextView;
import androidx.annotation.NonNull;
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.swiperefreshlayout.widget.SwipeRefreshLayout;
import com.google.android.material.snackbar.Snackbar;
import com.stoutner.privacybrowser.R;
+import com.stoutner.privacybrowser.asynctasks.GetLogcat;
import com.stoutner.privacybrowser.dialogs.StoragePermissionDialog;
-import com.stoutner.privacybrowser.dialogs.SaveLogcatDialog;
+import com.stoutner.privacybrowser.dialogs.SaveDialog;
import com.stoutner.privacybrowser.helpers.FileNameHelper;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
-import java.lang.ref.WeakReference;
import java.nio.charset.StandardCharsets;
-public class LogcatActivity extends AppCompatActivity implements SaveLogcatDialog.SaveLogcatListener, StoragePermissionDialog.StoragePermissionDialogListener {
+public class LogcatActivity extends AppCompatActivity implements SaveDialog.SaveListener, StoragePermissionDialog.StoragePermissionDialogListener {
+ // Declare the class constants.
+ private final String SCROLLVIEW_POSITION = "scrollview_position";
+
+ // Declare the class variables.
private String filePathString;
+ // Define the class views.
+ private TextView logcatTextView;
+
@Override
public void onCreate(Bundle savedInstanceState) {
// Get a handle for the shared preferences.
SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
// Get the screenshot preference.
- boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
+ boolean allowScreenshots = sharedPreferences.getBoolean(getString(R.string.allow_screenshots_key), false);
// Disable screenshots if not allowed.
if (!allowScreenshots) {
// Display the the back arrow in the action bar.
actionBar.setDisplayHomeAsUpEnabled(true);
+ // Populate the class views.
+ logcatTextView = findViewById(R.id.logcat_textview);
+
// Implement swipe to refresh.
SwipeRefreshLayout swipeRefreshLayout = findViewById(R.id.logcat_swiperefreshlayout);
swipeRefreshLayout.setOnRefreshListener(() -> {
// Get the current logcat.
- new GetLogcat(this).execute();
+ new GetLogcat(this, 0).execute();
});
// Get the current theme status.
int currentThemeStatus = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
// Set the refresh color scheme according to the theme.
- if (currentThemeStatus == Configuration.UI_MODE_NIGHT_YES) {
- swipeRefreshLayout.setColorSchemeResources(R.color.blue_500);
- } else {
+ if (currentThemeStatus == Configuration.UI_MODE_NIGHT_NO) {
swipeRefreshLayout.setColorSchemeResources(R.color.blue_700);
+ } else {
+ swipeRefreshLayout.setColorSchemeResources(R.color.blue_500);
}
// Initialize a color background typed value.
// Set the swipe refresh background color.
swipeRefreshLayout.setProgressBackgroundColorSchemeColor(colorBackgroundInt);
+ // Initialize the scrollview Y position int.
+ int scrollViewYPositionInt = 0;
+
+ // Check to see if the activity has been restarted.
+ if (savedInstanceState != null) {
+ // Get the saved scrollview position.
+ scrollViewYPositionInt = savedInstanceState.getInt(SCROLLVIEW_POSITION);
+ }
+
// Get the logcat.
- new GetLogcat(this).execute();
+ new GetLogcat(this, scrollViewYPositionInt).execute();
}
@Override
int menuItemId = menuItem.getItemId();
// Run the commands that correlate to the selected menu item.
- switch (menuItemId) {
- case R.id.copy:
- // Get a handle for the clipboard manager.
- ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
+ if (menuItemId == R.id.copy) { // Copy was selected.
+ // Get a handle for the clipboard manager.
+ ClipboardManager clipboardManager = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
- // Get a handle for the logcat text view.
- TextView logcatTextView = findViewById(R.id.logcat_textview);
+ // Remove the incorrect lint error below that the clipboard manager might be null.
+ assert clipboardManager != null;
- // Save the logcat in a ClipData.
- ClipData logcatClipData = ClipData.newPlainText(getString(R.string.logcat), logcatTextView.getText());
+ // Save the logcat in a clip data.
+ ClipData logcatClipData = ClipData.newPlainText(getString(R.string.logcat), logcatTextView.getText());
- // Remove the incorrect lint error that `clipboardManager.setPrimaryClip()` might produce a null pointer exception.
- assert clipboardManager != null;
+ // Place the clip data on the clipboard.
+ clipboardManager.setPrimaryClip(logcatClipData);
- // Place the ClipData on the clipboard.
- clipboardManager.setPrimaryClip(logcatClipData);
+ // Display a snackbar.
+ Snackbar.make(logcatTextView, R.string.logcat_copied, Snackbar.LENGTH_SHORT).show();
- // Display a snackbar.
- Snackbar.make(logcatTextView, R.string.logcat_copied, Snackbar.LENGTH_SHORT).show();
+ // Consume the event.
+ return true;
+ } else if (menuItemId == R.id.save) { // Save was selected.
+ // Instantiate the save alert dialog.
+ DialogFragment saveDialogFragment = SaveDialog.save(SaveDialog.SAVE_LOGCAT);
- // Consume the event.
- return true;
+ // Show the save alert dialog.
+ saveDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_logcat));
- case R.id.save:
- // Instantiate the save alert dialog.
- DialogFragment saveDialogFragment = new SaveLogcatDialog();
+ // Consume the event.
+ return true;
+ } else if (menuItemId == R.id.clear) { // Clear was selected.
+ try {
+ // Clear the logcat. `-c` clears the logcat. `-b all` clears all the buffers (instead of just crash, main, and system).
+ Process process = Runtime.getRuntime().exec("logcat -b all -c");
- // Show the save alert dialog.
- saveDialogFragment.show(getSupportFragmentManager(), getString(R.string.save_logcat));
+ // Wait for the process to finish.
+ process.waitFor();
- // Consume the event.
- return true;
+ // Reload the logcat.
+ new GetLogcat(this, 0).execute();
+ } catch (IOException | InterruptedException exception) {
+ // Do nothing.
+ }
- case R.id.clear:
- try {
- // Clear the logcat. `-c` clears the logcat. `-b all` clears all the buffers (instead of just crash, main, and system).
- Process process = Runtime.getRuntime().exec("logcat -b all -c");
+ // Consume the event.
+ return true;
+ } else { // The home button was pushed.
+ // Do not consume the event. The system will process the home command.
+ return super.onOptionsItemSelected(menuItem);
+ }
+ }
- // Wait for the process to finish.
- process.waitFor();
+ @Override
+ public void onSaveInstanceState(@NonNull Bundle savedInstanceState) {
+ // Run the default commands.
+ super.onSaveInstanceState(savedInstanceState);
- // Reload the logcat.
- new GetLogcat(this).execute();
- } catch (IOException|InterruptedException exception) {
- // Do nothing.
- }
+ // Get a handle for the logcat scrollview.
+ ScrollView logcatScrollView = findViewById(R.id.logcat_scrollview);
- // Consume the event.
- return true;
+ // Get the scrollview Y position.
+ int scrollViewYPositionInt = logcatScrollView.getScrollY();
- default:
- // Don't consume the event.
- return super.onOptionsItemSelected(menuItem);
- }
+ // Store the scrollview Y position in the bundle.
+ savedInstanceState.putInt(SCROLLVIEW_POSITION, scrollViewYPositionInt);
}
@Override
- public void onSaveLogcat(DialogFragment dialogFragment) {
- // Get a handle for the dialog fragment.
+ 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 fragment might be null.
+ // Remove the lint warning below that the dialog might be null.
assert dialog != null;
// Get a handle for the file name edit text.
// Save the logcat.
saveLogcat(filePathString);
} else { // The storage permission has not been granted.
- // Get the external private directory `File`.
+ // Get the external private directory file.
File externalPrivateDirectoryFile = getExternalFilesDir(null);
// Remove the incorrect lint error below that the file might be null.
if (filePathString.startsWith(externalPrivateDirectory)) { // The file path is in the external private directory.
// Save the logcat.
saveLogcat(filePathString);
- } else { // The file path in in a public directory.
+ } 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.
- // Instantiate the storage permission alert dialog.
+ // Instantiate the storage permission alert dialog. The type is specified as `0` because it currently isn't used for this activity.
DialogFragment storagePermissionDialogFragment = StoragePermissionDialog.displayDialog(0);
// Show the storage permission alert dialog. The permission will be requested when the dialog is closed.
}
@Override
- public void onCloseStoragePermissionDialog(int type) {
+ public void onCloseStoragePermissionDialog(int requestType) {
// Request the write external storage permission. The logcat will be saved when it finishes.
ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.WRITE_EXTERNAL_STORAGE}, 0);
}
// Save the logcat.
saveLogcat(filePathString);
} else { // The storage permission was not granted.
- // Get a handle for the logcat text view.
- TextView logcatTextView = findViewById(R.id.logcat_textview);
-
// Display an error snackbar.
Snackbar.make(logcatTextView, getString(R.string.cannot_use_location), Snackbar.LENGTH_LONG).show();
}
}
- private void saveLogcat(String fileNameString) {
- // Get a handle for the logcat text view.
- TextView logcatTextView = findViewById(R.id.logcat_textview);
-
- try {
- // Get the logcat as a string.
- String logcatString = logcatTextView.getText().toString();
-
- // Create an input stream with the contents of the logcat.
- InputStream logcatInputStream = new ByteArrayInputStream(logcatString.getBytes(StandardCharsets.UTF_8));
-
- // Create a logcat buffered reader.
- BufferedReader logcatBufferedReader = new BufferedReader(new InputStreamReader(logcatInputStream));
-
- // Create a file from the file name string.
- File saveFile = new File(fileNameString);
-
- // Create a file buffered writer.
- BufferedWriter fileBufferedWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(saveFile)));
-
- // Create a transfer string.
- String transferString;
-
- // Use the transfer string to copy the logcat from the buffered reader to the buffered writer.
- while ((transferString = logcatBufferedReader.readLine()) != null) {
- // Append the line to the buffered writer.
- fileBufferedWriter.append(transferString);
-
- // Append a line break.
- fileBufferedWriter.append("\n");
- }
-
- // Close the buffered reader and writer.
- logcatBufferedReader.close();
- fileBufferedWriter.close();
-
- // 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);
-
- // Display a snackbar.
- Snackbar.make(logcatTextView, getString(R.string.file_saved_successfully), Snackbar.LENGTH_SHORT).show();
- } catch (Exception exception) {
- // Display a snackbar with the error message.
- Snackbar.make(logcatTextView, getString(R.string.save_failed) + " " + exception.toString(), Snackbar.LENGTH_INDEFINITE).show();
- }
- }
-
// 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) {
// Run the default commands.
super.onActivityResult(requestCode, resultCode, data);
- // Don't do anything if the user pressed back from the file picker.
+ // 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_logcat));
EditText fileNameEditText = saveDialog.findViewById(R.id.file_name_edittext);
TextView fileExistsWarningTextView = saveDialog.findViewById(R.id.file_exists_warning_textview);
- // Instantiate the file name helper.
- FileNameHelper fileNameHelper = new FileNameHelper();
-
// Get the file name URI from the intent.
- Uri fileNameUri= data.getData();
+ Uri fileNameUri = data.getData();
// Process the file name URI if it is not null.
if (fileNameUri != null) {
+ // Instantiate a file name helper.
+ FileNameHelper fileNameHelper = new FileNameHelper();
+
// Convert the file name URI to a file name path.
String fileNamePath = fileNameHelper.convertUriToFileNamePath(fileNameUri);
}
}
- // `Void` does not declare any parameters. `Void` does not declare progress units. `String` contains the results.
- private static class GetLogcat extends AsyncTask<Void, Void, String> {
- // Create a weak reference to the calling activity.
- private final WeakReference<Activity> activityWeakReference;
+ private void saveLogcat(String fileNameString) {
+ try {
+ // Get the logcat as a string.
+ String logcatString = logcatTextView.getText().toString();
- // Populate the weak reference to the calling activity.
- GetLogcat(Activity activity) {
- activityWeakReference = new WeakReference<>(activity);
- }
+ // Create an input stream with the contents of the logcat.
+ InputStream logcatInputStream = new ByteArrayInputStream(logcatString.getBytes(StandardCharsets.UTF_8));
- @Override
- protected String doInBackground(Void... parameters) {
- // Get a handle for the activity.
- Activity activity = activityWeakReference.get();
+ // Create a logcat buffered reader.
+ BufferedReader logcatBufferedReader = new BufferedReader(new InputStreamReader(logcatInputStream));
+
+ // Create a file from the file name string.
+ File saveFile = new File(fileNameString);
- // Abort if the activity is gone.
- if ((activity == null) || activity.isFinishing()) {
- return "";
+ // Delete the file if it already exists.
+ if (saveFile.exists()) {
+ //noinspection ResultOfMethodCallIgnored
+ saveFile.delete();
}
- // Create a log string builder.
- StringBuilder logStringBuilder = new StringBuilder();
+ // Create a file buffered writer.
+ BufferedWriter fileBufferedWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(saveFile)));
- try {
- // Get the logcat. `-b all` gets all the buffers (instead of just crash, main, and system). `-v long` produces more complete information. `-d` dumps the logcat and exits.
- Process process = Runtime.getRuntime().exec("logcat -b all -v long -d");
+ // Create a transfer string.
+ String transferString;
+
+ // Use the transfer string to copy the logcat from the buffered reader to the buffered writer.
+ while ((transferString = logcatBufferedReader.readLine()) != null) {
+ // Append the line to the buffered writer.
+ fileBufferedWriter.append(transferString);
+
+ // Append a line break.
+ fileBufferedWriter.append("\n");
+ }
+
+ // Close the buffered reader and writer.
+ logcatBufferedReader.close();
+ fileBufferedWriter.close();
- // Wrap the logcat in a buffered reader.
- BufferedReader logBufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));
+ // 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 a log transfer string.
- String logTransferString;
+ // Create a logcat saved snackbar.
+ Snackbar logcatSavedSnackbar = Snackbar.make(logcatTextView, getString(R.string.file_saved) + " " + fileNameString, Snackbar.LENGTH_SHORT);
- // Use the log transfer string to copy the logcat from the buffered reader to the string builder.
- while ((logTransferString = logBufferedReader.readLine()) != null) {
- // Append a line.
- logStringBuilder.append(logTransferString);
+ // Add an open action to the snackbar.
+ logcatSavedSnackbar.setAction(R.string.open, (View view) -> {
+ // Get a file for the file name string.
+ File file = new File(fileNameString);
- // Append a line break.
- logStringBuilder.append("\n");
- }
+ // Declare a file URI variable.
+ Uri fileUri;
- // Close the buffered reader.
- logBufferedReader.close();
- } catch (IOException exception) {
- // Do nothing.
- }
+ // 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);
+ }
- // Return the logcat.
- return logStringBuilder.toString();
- }
+ // Get a handle for the content resolver.
+ ContentResolver contentResolver = getContentResolver();
- // `onPostExecute()` operates on the UI thread.
- @Override
- protected void onPostExecute(String logcatString) {
- // Get a handle for the activity.
- Activity activity = activityWeakReference.get();
+ // Create an open intent with `ACTION_VIEW`.
+ Intent openIntent = new Intent(Intent.ACTION_VIEW);
- // Abort if the activity is gone.
- if ((activity == null) || activity.isFinishing()) {
- return;
- }
+ // Set the URI and the MIME type.
+ openIntent.setDataAndType(fileUri, contentResolver.getType(fileUri));
- // Get handles for the views.
- TextView logcatTextView = activity.findViewById(R.id.logcat_textview);
- SwipeRefreshLayout swipeRefreshLayout = activity.findViewById(R.id.logcat_swiperefreshlayout);
+ // Allow the app to read the file URI.
+ openIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
- // Display the logcat.
- logcatTextView.setText(logcatString);
+ // Show the chooser.
+ startActivity(Intent.createChooser(openIntent, getString(R.string.open)));
+ });
- // Stop the swipe to refresh animation if it is displayed.
- swipeRefreshLayout.setRefreshing(false);
+ // Show the logcat saved snackbar.
+ logcatSavedSnackbar.show();
+ } catch (Exception exception) {
+ // Display a snackbar with the error message.
+ Snackbar.make(logcatTextView, getString(R.string.error_saving_file) + " " + exception.toString(), Snackbar.LENGTH_INDEFINITE).show();
}
}
}
\ No newline at end of file
projects / PrivacyBrowserAndroid.git / blobdiff