相关疑难解决方法(0)

我有一个搜索栏,试图将值设置为60到180为1,而40到190为第二步为1.

sb1 = (SeekBar) findViewById(R.id.progresss);
        sb1.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {       

            @Override       
            public void onStopTrackingTouch(SeekBar seekBar) {      
                // TODO Auto-generated method stub
                //int inVal = Integer.parseInt(String.valueOf(seekBar.getProgress()));
                //inVal =+ 70;
                //Toast.makeText(getApplicationContext(), String.valueOf(inVal),Toast.LENGTH_LONG).show();
            }       

            @Override       
            public void onStartTrackingTouch(SeekBar seekBar) {     
                // TODO Auto-generated method stub      
            }       

            @Override       
            public void onProgressChanged(SeekBar seekBar, int progress,boolean fromUser) {     
                // TODO Auto-generated method stub
                progress =+ 70;
                Toast.makeText(getApplicationContext(), String.valueOf(progress),Toast.LENGTH_LONG).show();

            }       
        });

不管用.知道怎么解决吗？