Creates remote todo.txt if it does not exist

Closes todotxt#46

Improves message when creating remote todo.txt
Saves local tasks when sync-ing after changing path, if no todo.txt remotely.
Still doesn't sync on startup (except first run)

src/com/todotxt/todotxttouch/DropboxFetchAsyncTask.java

@@ -53,16 +53,19 @@ protected void onPreExecute() {
 	@Override
 	protected Boolean doInBackground(Void... params) {
 		try {
-			DropboxAPI api = ((TodoApplication) m_act.getApplication()).getAPI();
-			m_remoteFile = api.getFileStream(Constants.DROPBOX_MODUS, m_app.getRemoteFileAndPath(), null);
-
-			if ( m_remoteFile.isError() )  {
-				if ( 404 == m_remoteFile.httpCode ) {
-					api.putFile(Constants.DROPBOX_MODUS, m_app.getRemotePath(), Constants.TODOFILE);
+			DropboxAPI api = ((TodoApplication) m_act.getApplication())
+					.getAPI();
+			m_remoteFile = api.getFileStream(Constants.DROPBOX_MODUS,
+					m_app.getRemoteFileAndPath(), null);
+
+			if (m_remoteFile.isError()) {
+				if (404 == m_remoteFile.httpCode) {
+					api.putFile(Constants.DROPBOX_MODUS, m_app.getRemotePath(),
+							Constants.TODOFILE);
 				}
 				return false;
 			}
-			
+
 			m_act.m_tasks = TodoUtil.loadTasksFromStream(m_remoteFile.is);
 			TodoUtil.writeToFile(m_act.m_tasks, Constants.TODOFILE);
 			return true;
@@ -78,7 +81,14 @@ protected void onPostExecute(Boolean result) {
 		m_act.setFilteredTasks(false);
 		Log.d(TodoTxtTouch.TAG, "populateFromUrl size=" + m_act.m_tasks.size());
 		if (!result) {
-			Util.showToastLong(m_act, "Sync failed: " + (null==m_remoteFile?"Null remote file":m_remoteFile.httpReason));
+			if (null != m_remoteFile && 404 == m_remoteFile.httpCode) {
+				Util.showToastLong(m_act,
+						"Added: " + m_app.getRemoteFileAndPath());
+			} else {
+				Util.showToastLong(m_act, "Sync failed: "
+						+ (null == m_remoteFile ? "Null remote file"
+								: m_remoteFile.httpReason));
+			}
 		} else {
 			Util.showToastShort(m_act, m_act.m_tasks.size() + " items");
 		}

src/com/todotxt/todotxttouch/TodoApplication.java

@@ -76,13 +76,14 @@ private boolean authenticate() {
 				return true;
 		}
 		clearKeys();
-		m_loggedIn = false;
 		return false;
 	}
 
 	private void clearKeys() {
-		// TODO Auto-generated method stub
-
+		Editor editor = m_prefs.edit();
+		editor.clear();
+		editor.commit();
+		m_loggedIn = false;
 	}
 
 	private String[] getAuthKeys() {
@@ -99,11 +100,8 @@ public void onTerminate() {
 
 	public void unlinkDropbox() {
 		Log.i(TAG, "Clearing current user data!");
-		Editor editor = m_prefs.edit();
-		editor.clear();
-		editor.commit();
 		getAPI().deauthenticate();
-		m_loggedIn = false;
+		clearKeys();
 		Constants.TODOFILE.delete();
 		Constants.TODOFILETMP.delete();
 	}
@@ -135,9 +133,10 @@ public void setConfig(Config authenticate) {
 	}
 
 	public String getRemotePath() {
-		return m_prefs.getString("todotxtpath", getResources().getString(R.string.TODOTXTPATH_defaultPath));
+		return m_prefs.getString("todotxtpath",
+				getResources().getString(R.string.TODOTXTPATH_defaultPath));
 	}
-	
+
 	public String getRemoteFileAndPath() {
 		return getRemotePath() + "/" + Constants.REMOTE_FILE;
 	}

src/com/todotxt/todotxttouch/TodoTxtTouch.java

@@ -121,18 +121,28 @@ public void onCreate(Bundle savedInstanceState) {
 
 		getListView().setOnCreateContextMenuListener(this);
 
+		initializeTasks();
+	}
+
+	private void initializeTasks() {
 		boolean firstrun = m_app.m_prefs.getBoolean(Constants.PREF_FIRSTRUN,
 				true);
+
 		if (firstrun) {
 			Log.i(TAG, "Initializing app");
 			Editor editor = m_app.m_prefs.edit();
 			editor.putBoolean(Constants.PREF_FIRSTRUN, false);
 			editor.commit();
-			if (getAPI().isAuthenticated()) {
-				populateFromExternal();
-			} else {
-				login();
+			try {
+				if (!Constants.TODOFILE.exists()) {
+					Util.createParentDirectory(Constants.TODOFILE);
+					Constants.TODOFILE.createNewFile();
+				}
+			} catch (Exception e) {
+				Log.e(TAG, "Error creating local files", e);
 			}
+
+			populateFromExternal();
 		} else {
 			populateFromFile();
 		}
@@ -442,9 +452,9 @@ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 				m_search = data.getStringExtra(Constants.EXTRA_SEARCH);
 				setFilteredTasks(false);
 			}
-		} else if ( requestCode == REQUEST_PREFERENCES) {
-			if ( resultCode == Preferences.RESULT_SYNC_LIST) {
-				populateFromExternal();
+		} else if (requestCode == REQUEST_PREFERENCES) {
+			if (resultCode == Preferences.RESULT_SYNC_LIST) {
+				initializeTasks();
 			}
 		}
 	}
@@ -619,7 +629,7 @@ public View getView(int position, View convertView, ViewGroup parent) {
 				default:
 					holder.taskprio.setTextColor(res.getColor(R.color.black));
 				}
-				// hide line numbers unless show preference is checked 
+				// hide line numbers unless show preference is checked
 				if (!m_app.m_prefs.getBoolean("showlinenumberspref", false)) {
 					holder.taskid.setTextColor(res.getColor(R.color.white));
 				}

src/com/todotxt/todotxttouch/TodoUtil.java

@@ -77,7 +77,7 @@ public static ArrayList<Task> loadTasksFromFile() throws IOException {
 		BufferedReader in = null;
 		if (!Constants.TODOFILE.exists()) {
 			Log.w(TAG, Constants.TODOFILE.getAbsolutePath()
-					+ " does not exists!");
+					+ " does not exist!");
 		} else {
 			InputStream is = new FileInputStream(Constants.TODOFILE);
 			try {
@@ -102,7 +102,7 @@ public static ArrayList<Task> loadTasksFromFile() throws IOException {
 	public static void writeToFile(List<Task> tasks, File file) {
 		try {
 			if (!Util.isDeviceWritable()) {
-				throw new IOException("Device Not Writable!");
+				throw new IOException("Device is not writable!");
 			}
 			Util.createParentDirectory(file);
 			FileWriter fw = new FileWriter(file);