可以在详细的改改吗？

Question

接收到信号处理，

@SuppressLint("HandlerLeak")
    private Handler mHandler = new Handler(){
        @SuppressLint("MissingPermission")
        @Override
        public void handleMessage(Message msg) {
            super.handleMessage(msg);

            switch(msg.what){

 case RECEIVE_SUCCESS:  //接收成功
                    String receiveResult = (String) msg.obj;
                    weight.setText(receiveResult.substring(receiveResult.indexOf(":")+1,receiveResult.lastIndexOf("#"))+"g");
                    if (receiveResult.contains(",time1_on")){
                        s1.setChecked(true);
                    }
                    if (receiveResult.contains(",time1_off")){
                        s1.setChecked(false);
                    }
                    if (receiveResult.contains(",time2_on")){
                        s2.setChecked(true);
                    }
                    if (receiveResult.contains(",time2_off")){
                        s2.setChecked(false);
                    }
                    if (receiveResult.contains(",time3_on")){
                        s3.setChecked(true);
                    }
                    if (receiveResult.contains(",time3_off")){
                        s3.setChecked(false);
                    }
                    if (receiveResult.contains(",time4_on"))
                        s4.setChecked(true);
                    if (receiveResult.contains(",time4_off"))
                        s4.setChecked(false);
                    if (receiveResult.contains("time5_on"))
                        s5.setChecked(true);
                    if (receiveResult.contains("time5_off"))
                        s5.setChecked(false);
                    if  (receiveResult.contains(",start")){
                        Calendar calendar=Calendar.getInstance();
                        Date d1=calendar.getTime();
                        calendar.add(Calendar.MINUTE,30);
                        Date d2=calendar.getTime();
                        SQLiteDatabase db=dataBase.getWritableDatabase();
                        ContentValues contentValues=new ContentValues();
                        contentValues.put(DataBase.COLUMN_ST,String.valueOf(d1));
                        db.insert(DataBase.TABLE2,null,contentValues);
                        TimerTask timerTask=new TimerTask() {
                            @Override
                            public void run() {
                                contentValues.put(DataBase.COLUMN_ET,String.valueOf(d2));
                                contentValues.put(DataBase.COLUMN_EW,Integer.valueOf(weight.getText().toString()));
                            }
                        };
                        Timer timer=new Timer(true);
                        timer.schedule(timerTask,d2);
                        if (String.valueOf(weight.getText())=="0"){
                            timer.cancel();
                            Date d3=calendar.getTime();
                            contentValues.put(DataBase.COLUMN_ET,String.valueOf(d3));
                            contentValues.put(DataBase.COLUMN_EW,0);
                            db.insert(DataBase.TABLE2,null,contentValues);
                        }
                        if(receiveResult.contains(",stop")){
                            contentValues.put(DataBase.COLUMN_SW,Integer.valueOf(weight.getText().toString()));
                            db.insert(DataBase.TABLE2,null,contentValues);
                        }
                    }
                    break;
            }

数据库的记录表，已经创建好这个表的数据库，怎么加id，(ID只是为了让插入的数据在同一行，不用再listview上显示ID)

String sql2 = "create table " + TABLE2 + " ( "  + COLUMN_ST + " text not null, " + COLUMN_SW + " integer(10), " + COLUMN_ET + " text not null, " + COLUMN_EW + " integer(10) ) ";

Answer 1

使用匿名内部类或Lambda表达式避免Handler泄漏。

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