SeekBar十进制增量

时间:2020-03-11 04:50:56

标签: java android-studio mobile seekbar

我正在尝试创建一个搜索栏,用户可以在其中通知$0,000 to $10,000的价格。我已经尝试实现以下行:float value = ((float)progress / 10.0);,但是android studio不断给我错误incompatible types Required: float Found: Double

代码如下:

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        gas = (TextView) findViewById(R.id.gasTextView);
        SeekBar gasSeekBar = (SeekBar) findViewById(R.id.gasSeekBar);
        gasSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                float value = ((float)progress / 10.0);
                gas.setText("Gasolina: "+progress);
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });

        etanol = (TextView) findViewById(R.id.etanolTextView);
        SeekBar etanolSeekBar = (SeekBar) findViewById(R.id.etanolSeekBar);
        etanolSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                etanol.setText("Etanol: "+progress);
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });
    }

2 个答案:

答案 0 :(得分:0)

您可以使用以下代码-(只需删除小数点即可)

    float value = ((float)progress / 10);

不会有错误。

答案 1 :(得分:0)

我认为您的cast位置不正确...

怎么样

float value = (float)(progress / 10.0);