public static class TimeReceiver extends BroadcastReceiver {        @Override        public void onReceive(Context context, Intent intent) {            String time = intent.getStringExtra("time");            String contentDate = formatDate(time);            Message msg = handler.obtainMessage();            msg.obj = context;//发送context上下文            msg.getData().putString("contentDate", contentDate);//发送内容            handler.sendMessage(msg);        }    }

static Handler handler = new Handler() {            public void handleMessage(Message msg) {            Context context = (Context) msg.obj;                String titles = null;            String contents = null;            String contentDate = msg.getData().getString("contentDate");            Toast.makeText(context, contentDate ,                    Toast.LENGTH_LONG).show();                    WordsManage wordManage = new WordsManage(context);            // 从数据库中通过时间匹配查询数据            wordManage.open();            Cursor cursor = wordManage.selectByTime(contentDate);            if (cursor != null && cursor.getCount() == 1) {                while (cursor.moveToNext()) {                    titles = cursor.getString(cursor.getColumnIndex("title"));                    contents = cursor.getString(cursor                            .getColumnIndex("content"));                }            }            wordManage.close();            mContent.setText(titles);            mContent.setText(contents);        };                                                                                        };