@SuppressLint("SimpleDateFormat") @Override public Uri insert(Uri uri, ContentValues values) { // TODO Auto-generated method stub // 新增,故uri只能为collection if (sUriMatch.match(uri) != HISTORY_COLLECTION_URI_INDICATOR) { throw new IllegalArgumentException("URI =" + uri); } // 允许插入空行 ContentValues cv; if (values == null) { cv = new ContentValues(); } else { cv = new ContentValues(values); } // if (cv.containsKey(ChatHistoryTable.CHAT_TIME)) { SimpleDateFormat sdf = new SimpleDateFormat("MM/dd-HH:mm:ss"); String now = sdf.format(new Date(System.currentTimeMillis())); cv.put(ChatHistoryTable.CHAT_TIME, now); } mDb = mOpenHelper.getWritableDatabase(); long rowId = mDb.insert(ChatHistoryTable.TABLE_NAME, null, cv); if (rowId > 0) { Uri insertUri = ContentUris.withAppendedId(ChatHistoryTable.CONTENT_URI, rowId); mContentResolver.notifyChange(insertUri, null); return insertUri; } throw new SQLiteException("Failed to insert!!!"); }
private boolean initialize() { mContext = getContext(); mContentResolver = mContext.getContentResolver(); mOpenHelper = DatabaseHelper.getInstance(mContext); try { mDb = mOpenHelper.getWritableDatabase(); } catch (SQLiteException ex) { mDb = mOpenHelper.getReadableDatabase(); } return true; }