Fix: improved working directory setting

android/src/main/java/org/openforis/collect/android/gui/BaseActivity.java

@@ -1,5 +1,6 @@
 package org.openforis.collect.android.gui;
 
+import android.app.Activity;
 import android.os.Bundle;
 import android.view.MenuItem;
 
@@ -70,4 +71,10 @@ public void run() {
             }
         });
     }
+
+    public static void restartMainActivity(Activity context) {
+        ServiceLocator.reset(context);
+        Activities.startNewClearTask(context, MainActivity.class);
+        context.finish();
+    }
 }

android/src/main/java/org/openforis/collect/android/gui/MainActivity.java

@@ -46,11 +46,11 @@ protected void initialize() {
     private void initializeServices() {
         try {
             ServiceLocator.init(this);
-        } catch (WorkingDirNotWritable ignore) {
-            DialogFragment newFragment = new SecondaryStorageNotFoundFragment();
+        } catch (WorkingDirNotAccessible ignore) {
+            DialogFragment newFragment = new WorkingDirectoryNotAccessibleFragment();
             newFragment.show(getSupportFragmentManager(), "secondaryStorageNotFound");
-        } catch (StorageAccessException e) {
-            handleStorageAccessException(e);
+        } catch (Exception e) {
+            handleStorageAccessException(new StorageAccessException());
         }
     }
 
@@ -98,6 +98,8 @@ protected void onCreate(@Nullable Bundle savedState) {
 
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
+
         if (!Permissions.isPermissionGranted(grantResults)) {
             return;
         }

android/src/main/java/org/openforis/collect/android/gui/ServiceLocator.java

@@ -70,7 +70,7 @@ public class ServiceLocator {
      * Initializes the ServiceLocator.
      * Returns true if there is a selected survey, false otherwise
      */
-    public static boolean init(Context applicationContext) throws WorkingDirNotWritable {
+    public static boolean init(Context applicationContext) throws WorkingDirNotAccessible {
         if (surveyService == null) {
             SettingsActivity.init(applicationContext);
             UILanguageInitializer.init(applicationContext);
@@ -161,7 +161,8 @@ private static void deleteDatabase(String databaseName, String surveyName, Andro
     }
 
     public static boolean isSurveyImported(String surveyName, Context context) {
-        return context.getDatabasePath(databasePath(MODEL_DB, surveyName, context).getAbsolutePath()).exists();
+        File dbFile = context.getDatabasePath(databasePath(MODEL_DB, surveyName, context).getAbsolutePath());
+        return dbFile.exists();
     }
 
     private static AndroidDatabase createModelDatabase(String surveyName, Context applicationContext) {
@@ -264,9 +265,7 @@ private static CollectModelManager createCollectModelManager(AndroidDatabase mod
         RecordFileManager recordFileManager = new RecordFileManager() {{
             storageDirectory = AppDirs.surveyImagesDir(surveyName, context);
             if (!storageDirectory.exists()) {
-                if (!storageDirectory.mkdirs())
-                    throw new WorkingDirNotWritable(storageDirectory);
-                AndroidFiles.makeDiscoverable(storageDirectory, context);
+                AndroidFiles.createAndMakeDiscoverableDir(storageDirectory, context);
             }
         }};
         recordFileManager.setDefaultRootStoragePath(AppDirs.surveyDatabasesDir(surveyName, context).getAbsolutePath());

android/src/main/java/org/openforis/collect/android/gui/SurveyImporter.java

@@ -108,7 +108,7 @@ private void migrateIfNeeded(Version surveyAppVersion, File targetSurveyDatabase
 
     public static void importDefaultSurvey(Context context) {
         try {
-            File tempDir = createTempDir();
+            File tempDir = org.openforis.collect.android.util.FileUtils.createTempDir();
             InputStream sourceInput = SurveyImporter.class.getResourceAsStream("/demo.collect-mobile");
             File intermediateSurveyPath = new File(tempDir, "demo.collect-mobile");
             FileOutputStream intermediateOutput = new FileOutputStream(intermediateSurveyPath);
@@ -138,13 +138,13 @@ private SurveyBackupInfo info(File dir) {
         } catch (IOException e) {
             throw new MalformedSurvey(sourceSurveyPath, e);
         } finally {
-            close(is);
+            IOUtils.closeQuietly(is);
         }
         return info;
     }
 
     private File unzipSurveyDefinition() throws IOException {
-        File folder = createTempDir();
+        File folder = org.openforis.collect.android.util.FileUtils.createTempDir();
         File zipFile = new File(sourceSurveyPath);
         if (!zipFile.exists())
             throw new FileNotFoundException("File not found: " + sourceSurveyPath);
@@ -157,23 +157,6 @@ private File unzipSurveyDefinition() throws IOException {
         return folder;
     }
 
-    private static File createTempDir() throws IOException {
-        File tempDir = File.createTempFile("collect", Long.toString((System.nanoTime())));
-        if (!tempDir.delete())
-            throw new IOException("Failed to create temp dir:" + tempDir.getAbsolutePath());
-        if (!tempDir.mkdir())
-            throw new IOException("Failed to create temp dir:" + tempDir.getAbsolutePath());
-        return tempDir;
-    }
-
-    private void close(InputStream is) {
-        if (is != null)
-            try {
-                is.close();
-            } catch (IOException ignore) {
-            }
-    }
-
     public static String surveyMinorVersion(Version version) {
         return version.getMajor() + "." + version.getMinor() + ".x";
     }

android/src/main/java/org/openforis/collect/android/gui/SurveyListActivity.java

@@ -165,13 +165,6 @@ private static class ImportSurveyTask extends SlowAsyncTask<Void, Void, Boolean>
         protected Boolean runTask() throws Exception {
             super.runTask();
             File file = AndroidFiles.copyUriContentToCache(context, uri);
-            if (file == null) {
-                throw new IllegalStateException(String.format(
-                        "Failed to import survey; could not determine file path for URI: %s", uri));
-            }
-            if (file.length() == 0) {
-                throw new IllegalStateException(context.getString(R.string.survey_import_failed_empty_file_message));
-            }
             if (ServiceLocator.importSurvey(file.getAbsolutePath(), overwrite, context) || overwrite) {
                 onSurveyImportComplete();
                 return false; //survey imported successfully

android/src/main/java/org/openforis/collect/android/gui/SurveyNodeActivity.java

@@ -22,7 +22,6 @@
 import org.openforis.collect.android.NodeEvent;
 import org.openforis.collect.android.SurveyListener;
 import org.openforis.collect.android.SurveyService;
-import org.openforis.collect.android.gui.backup.Backup;
 import org.openforis.collect.android.gui.barcode.BarcodeCaptureActivity;
 import org.openforis.collect.android.gui.detail.ExportDialogFragment;
 import org.openforis.collect.android.gui.entitytable.EntityTableDialogFragment;
@@ -81,7 +80,6 @@ public class SurveyNodeActivity extends BaseActivity implements SurveyListener,
     private VideoFileAttributeComponent videoListener;
     private DocumentFileAttributeComponent fileDocumentListener;
     private BarcodeTextAttributeComponent barcodeCaptureListener;
-
     private boolean twoPane;
 
     public static void startClearSurveyNodeActivity(Context context) {
@@ -270,10 +268,6 @@ public void navigateDown(View view) {
         navigateDown();
     }
 
-    public void backup(MenuItem item) {
-        Backup.showBackupModeChooseDialog(this);
-    }
-
     public void exportDialog(MenuItem item) {
         if (Permissions.checkStoragePermissionOrRequestIt(this)) {
 
@@ -432,6 +426,7 @@ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
                     if (fileDocumentListener != null && data != null) {
                         fileDocumentListener.documentSelected(data.getData());
                     }
+                    break;
             }
         }
         super.onActivityResult(requestCode, resultCode, data);

android/src/main/java/org/openforis/collect/android/gui/WorkingDirNotAccessible.java

@@ -0,0 +1,9 @@
+package org.openforis.collect.android.gui;
+
+import java.io.File;
+
+public class WorkingDirNotAccessible extends RuntimeException {
+    public WorkingDirNotAccessible(File workingDir) {
+        super("workingDir:" + workingDir);
+    }
+}

android/src/main/java/org/openforis/collect/android/gui/SecondaryStorageNotFoundFragment.java → android/src/main/java/org/openforis/collect/android/gui/WorkingDirectoryNotAccessibleFragment.java

@@ -12,11 +12,11 @@
 import org.openforis.collect.android.gui.util.Activities;
 import org.openforis.collect.android.gui.util.AppDirs;
 
-public class SecondaryStorageNotFoundFragment extends DialogFragment {
+public class WorkingDirectoryNotAccessibleFragment extends DialogFragment {
 
     public Dialog onCreateDialog(Bundle savedInstanceState) {
         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-        builder.setTitle(R.string.storage_not_found_message)
+        builder.setTitle(R.string.working_directory_not_accessible_message)
                 .setMessage(AppDirs.root(getActivity()).getAbsolutePath())
                 .setPositiveButton(R.string.storage_not_found_retry, new DialogInterface.OnClickListener() {
                     public void onClick(DialogInterface dialog, int id) {

android/src/main/java/org/openforis/collect/android/gui/backup/Backup.java

@@ -11,22 +11,31 @@
 import android.widget.ListView;
 
 import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
 import androidx.fragment.app.DialogFragment;
 import androidx.fragment.app.FragmentActivity;
 
 import org.apache.commons.io.FileUtils;
 import org.openforis.collect.R;
+import org.openforis.collect.android.collectadapter.BackupGenerator;
+import org.openforis.collect.android.gui.util.Activities;
 import org.openforis.collect.android.gui.util.AndroidFiles;
+import org.openforis.collect.android.gui.util.App;
 import org.openforis.collect.android.gui.util.AppDirs;
+import org.openforis.collect.android.gui.util.Dates;
 import org.openforis.collect.android.gui.util.Dialogs;
+import org.openforis.collect.android.gui.util.MimeType;
 import org.openforis.collect.android.sqlite.AndroidDatabase;
 
 import java.io.File;
 import java.io.IOException;
 
 public class Backup {
 
-    public static void showBackupModeChooseDialog(FragmentActivity activity) {
+    private static String BACKUP_FILE_PREFIX = "of_collect_mobile_backup_";
+    public static String BACKUP_FILE_EXTENSION = "ofcmbck";
+
+    public static void showBackupModeChooseDialog(AppCompatActivity activity) {
         DialogFragment dialogFragment = new BackupModeDialogFragment();
         dialogFragment.show(activity.getSupportFragmentManager(), "backupModeSelection");
     }
@@ -105,6 +114,55 @@ public void run() {
             }
         }
 
+        private void backupIntoDownloads() {
+            try {
+                File downloadDir = AndroidFiles.getDownloadsDir(context);
+                File backupFile = generateBackupFile(downloadDir);
+                if (backupFile == null) return;
+                AndroidFiles.makeDiscoverable(backupFile, context);
+                Dialogs.alert(context, R.string.backup_file_generation_complete, R.string.backup_file_generation_into_downloads_complete_message);
+            } catch (Exception e) {
+                showBackupErrorMessage(e);
+            }
+        }
+
+        private void backupAndShare() {
+            File backupFile = generateBackupFile(null);
+            if (backupFile == null) return;
+            Activities.shareFile(context, backupFile, MimeType.BINARY, R.string.share_file, false);
+        }
+
+        private File generateBackupFile(File parentDir) {
+            File destFile = null, tempFile = null;
+            try {
+                File destParentDir;
+                String destFileName = BACKUP_FILE_PREFIX + Dates.formatNowISO() + "." + BACKUP_FILE_EXTENSION;
+                if (parentDir == null) {
+                    tempFile = File.createTempFile(BACKUP_FILE_PREFIX, "." + BACKUP_FILE_EXTENSION);
+                    destParentDir = tempFile.getParentFile();
+                    destFile = new File(destParentDir, destFileName);
+                    FileUtils.moveFile(tempFile, destFile);
+                } else {
+                    destParentDir = parentDir;
+                    destFile = new File(destParentDir, destFileName);
+                }
+                if (AndroidFiles.enoughSpaceToCopy(surveysDir, destParentDir)) {
+                    BackupGenerator backupGenerator = new BackupGenerator(surveysDir, App.versionName(context), destFile);
+                    backupGenerator.generate();
+                } else {
+                    destFile.delete();
+                }
+            } catch (IOException e) {
+                showBackupErrorMessage(e);
+                if (tempFile != null) {
+                    tempFile.delete();
+                }
+                if (destFile != null) {
+                    destFile.delete();
+                }
+            }
+            return destFile;
+        }
 
         private void showInsertSdCardDialog() {
             Intent intent = new Intent();
@@ -176,7 +234,10 @@ public void onClick(View v) {
                                     backupExecutor.backupToNewSdCard();
                                     break;
                                 case 1:
-                                    backupExecutor.backupInternally();
+                                    backupExecutor.backupIntoDownloads();
+                                    break;
+                                case 2:
+                                    backupExecutor.backupAndShare();
                                     break;
                             }
                             alertDialog.dismiss();