mirror of https://github.com/tasks/tasks
Initial work on backups plugin
Tim Su
16 years ago
parent
1bd704b5d4
commit
b6ec30285b
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package com.todoroo.astrid.backup;
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import android.app.Activity;
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import android.os.Bundle;
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import com.timsu.astrid.R;
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public class BackupActivity extends Activity {
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.backup_activity);
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setTitle(R.string.backup_BAc_title);
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}
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}
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package com.todoroo.astrid.backup;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.LinkedList;
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import java.util.List;
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import org.xmlpull.v1.XmlSerializer;
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import android.content.Context;
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import android.database.Cursor;
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import android.os.Environment;
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import android.util.Log;
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import android.util.Xml;
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import android.widget.Toast;
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import com.timsu.astrid.R;
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import com.timsu.astrid.data.TaskController;
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import com.timsu.astrid.data.TaskIdentifier;
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import com.timsu.astrid.data.TaskModelForXml;
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import com.timsu.astrid.data.alerts.AlertController;
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import com.timsu.astrid.data.sync.SyncDataController;
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import com.timsu.astrid.data.sync.SyncMapping;
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import com.timsu.astrid.data.tag.TagController;
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import com.timsu.astrid.data.tag.TagIdentifier;
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import com.timsu.astrid.data.tag.TagModelForView;
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public class BackupConstants {
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private TaskController taskController;
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private TagController tagController;
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private AlertController alertController;
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private SyncDataController syncDataController;
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private Context ctx;
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private String output;
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private final boolean isService;
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private int exportCount;
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private XmlSerializer xml;
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private HashMap<TagIdentifier, TagModelForView> tagMap;
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public static final String ASTRID_TAG = "astrid";
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public static final String ASTRID_ATTR_VERSION = "version";
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public static final String TASK_TAG = "task";
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public static final String TAG_TAG = "tag";
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public static final String TAG_ATTR_NAME = "name";
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public static final String ALERT_TAG = "alert";
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public static final String ALERT_ATTR_DATE = "date";
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public static final String SYNC_TAG = "sync";
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public static final String SYNC_ATTR_SERVICE = "service";
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public static final String SYNC_ATTR_REMOTE_ID = "remote_id";
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public static final String XML_ENCODING = "utf-8";
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public static final String ASTRID_DIR = "/astrid";
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private static final String EXPORT_FILE_NAME = "user.%s.xml";
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private static final String BACKUP_FILE_NAME = "auto.%s.xml";
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public static final int FILENAME_DATE_BEGIN_INDEX = 5;
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public static final int FILENAME_DATE_END_INDEX = 11;
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public BackupConstants(boolean isService) {
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this.isService = isService;
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this.exportCount = 0;
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}
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private void initTagMap() {
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tagMap = tagController.getAllTagsAsMap();
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}
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private void serializeTags(TaskIdentifier task)
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throws IOException {
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LinkedList<TagIdentifier> tags = tagController.getTaskTags(task);
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for (TagIdentifier tag : tags) {
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if(!tagMap.containsKey(tag) || tagMap.get(tag) == null)
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continue;
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xml.startTag(null, TAG_TAG);
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xml.attribute(null, TAG_ATTR_NAME, tagMap.get(tag).toString());
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xml.endTag(null, TAG_TAG);
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}
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}
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private void serializeSyncMappings(TaskIdentifier task)
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throws IOException {
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HashSet<SyncMapping> syncMappings = syncDataController.getSyncMappings(task);
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for (SyncMapping sync : syncMappings) {
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xml.startTag(null, SYNC_TAG);
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xml.attribute(null, SYNC_ATTR_SERVICE,
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Integer.toString(sync.getSyncServiceId()));
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xml.attribute(null, SYNC_ATTR_REMOTE_ID, sync.getRemoteId());
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xml.endTag(null, SYNC_TAG);
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}
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}
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private void serializeAlerts(TaskIdentifier task)
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throws IOException {
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List<Date> alerts = alertController.getTaskAlerts(task);
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for (Date alert : alerts) {
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xml.startTag(null, ALERT_TAG);
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xml.attribute(null, ALERT_ATTR_DATE, BackupDateUtilities.getIso8601String(alert));
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xml.endTag(null, ALERT_TAG);
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}
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}
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private void serializeTasks()
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throws IOException {
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Cursor c = taskController.getBackupTaskListCursor();
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if (! c.moveToFirst()) {
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return; // No tasks.
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}
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do {
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TaskModelForXml task = new TaskModelForXml(c);
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TaskIdentifier taskId = task.getTaskIdentifier();
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xml.startTag(null, TASK_TAG);
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HashMap<String, String> taskAttributes = task.getTaskAttributes();
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for (String key : taskAttributes.keySet()) {
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String value = taskAttributes.get(key);
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xml.attribute(null, key, value);
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}
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serializeTags(taskId);
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serializeAlerts(taskId);
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serializeSyncMappings(taskId);
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xml.endTag(null, TASK_TAG);
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this.exportCount++;
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} while (c.moveToNext());
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c.close();
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}
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private void doTasksExport() throws IOException {
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File xmlFile = new File(this.output);
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xmlFile.createNewFile();
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FileOutputStream fos = new FileOutputStream(xmlFile);
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xml = Xml.newSerializer();
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xml.setOutput(fos, XML_ENCODING);
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xml.startDocument(null, null);
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xml.setFeature("http://xmlpull.org/v1/doc/features.html#indent-output", true);
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xml.startTag(null, ASTRID_TAG);
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xml.attribute(null, ASTRID_ATTR_VERSION,
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Integer.toString(Preferences.getCurrentVersion(ctx)));
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openControllers();
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initTagMap();
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serializeTasks();
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closeControllers();
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xml.endTag(null, ASTRID_TAG);
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xml.endDocument();
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xml.flush();
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fos.close();
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if (!isService) {
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displayToast();
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}
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}
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private void displayToast() {
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CharSequence text = String.format(ctx.getString(R.string.export_toast),
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ctx.getResources().getQuantityString(R.plurals.Ntasks, exportCount,
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exportCount), output);
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Toast.makeText(ctx, text, Toast.LENGTH_LONG).show();
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}
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private void displayErrorToast(String error) {
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Toast.makeText(ctx, error, Toast.LENGTH_LONG).show();
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}
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private void closeControllers() {
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tagController.close();
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taskController.close();
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alertController.close();
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syncDataController.close();
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}
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private void openControllers() {
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taskController.open();
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tagController.open();
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alertController.open();
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syncDataController.open();
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}
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public void exportTasks(File directory) {
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if (isService && !Preferences.isBackupEnabled(ctx)) {
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// Automatic backups are disabled.
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return;
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}
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if (setupFile(directory)) {
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Thread thread = new Thread(doBackgroundExport);
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thread.start();
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}
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}
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public static File getExportDirectory() {
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String storageState = Environment.getExternalStorageState();
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if (storageState.equals(Environment.MEDIA_MOUNTED)) {
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String path = Environment.getExternalStorageDirectory().getAbsolutePath();
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path = path + ASTRID_DIR;
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return new File(path);
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}
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return null;
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}
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private boolean setupFile(File directory) {
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File astridDir = directory;
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if (astridDir != null) {
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// Check for /sdcard/astrid directory. If it doesn't exist, make it.
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if (astridDir.exists() || astridDir.mkdir()) {
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String fileName;
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if (isService) {
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fileName = BACKUP_FILE_NAME;
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} else {
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fileName = EXPORT_FILE_NAME;
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}
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fileName = String.format(fileName, BackupDateUtilities.getDateForExport());
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setOutput(astridDir.getAbsolutePath() + "/" + fileName);
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return true;
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} else {
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// Unable to make the /sdcard/astrid directory.
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String error = ctx.getString(R.string.error_sdcard, astridDir.getAbsolutePath());
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Log.e("TasksXmlExporter", error);
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if (!isService) {
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displayErrorToast(error);
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}
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return false;
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}
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} else {
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// Unable to access the sdcard because it's not in the mounted state.
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String error = ctx.getString(R.string.error_sdcard_general);
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Log.e("TasksXmlExporter", error);
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if (!isService) {
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displayErrorToast(error);
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}
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return false;
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}
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}
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private void setOutput(String file) {
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this.output = file;
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}
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private final Runnable doBackgroundExport = new Runnable() {
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public void run() {
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/*Looper.prepare();
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try {
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doTasksExport();
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} catch (IOException e) {
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Log.e("TasksXmlExporter", "IOException in doTasksExport " + e.getMessage());
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}
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Looper.loop();*/
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}
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};
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public void setTaskController(TaskController taskController) {
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this.taskController = taskController;
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}
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public void setTagController(TagController tagController) {
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this.tagController = tagController;
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}
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public void setAlertController(AlertController alertController) {
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this.alertController = alertController;
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}
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public void setSyncDataController(SyncDataController syncDataController) {
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this.syncDataController = syncDataController;
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}
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public void setContext(Context ctx) {
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this.ctx = ctx;
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setTaskController(new TaskController(ctx));
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setTagController(new TagController(ctx));
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setAlertController(new AlertController(ctx));
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setSyncDataController(new SyncDataController(ctx));
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}
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}
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After Width: | Height: | Size: 1.4 KiB |
@ -0,0 +1,41 @@
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<?xml version="1.0" encoding="utf-8"?>
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<!--
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**
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** Copyright 2008, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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-->
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:orientation="vertical"
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android:minWidth="300dip"
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android:layout_width="fill_parent"
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android:layout_height="wrap_content">
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<View
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android:layout_width="fill_parent"
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android:layout_height="1dip"
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android:padding="5dip"
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android:background="@android:drawable/divider_horizontal_dark" />
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<Button android:id="@+id/importButton"
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android:layout_width="fill_parent"
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android:layout_height="wrap_content"
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android:text="@string/backup_BAc_import" />
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<Button android:id="@+id/exportButton"
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android:layout_width="fill_parent"
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android:layout_height="wrap_content"
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android:text="@string/backup_BAc_export" />
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</LinearLayout>
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