Android学习-ProgressBar、SeekBar

seekbar手动拖动与progressbar进度绑定

布局代码
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活动代码

public class Test extends AppCompatActivity {         private ProgressBar progressBar;    private SeekBar seekBar;    private TextView tvprogress;    protected void onCreate(Bundle savedInstanceState) {             super.onCreate(savedInstanceState);        setContentView(R.layout.test);        initView();    }    public void initView(){             progressBar = findViewById(R.id.progress2);        seekBar = findViewById(R.id.seekbar);        tvprogress = findViewById(R.id.tv_Progress);        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {                 @Override            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {                     //滑杆值发生改变，此方法被触发。1.本身，2.进度栏                progressBar.setProgress(progress);//滑杆走多少，进度条走多少                tvprogress.setText("当前进度为" + progress + "%");            }            @Override            public void onStartTrackingTouch(SeekBar seekBar) {                     //有touch行为时会触发            }            @Override            public void onStopTrackingTouch(SeekBar seekBar) {                     //拖动停止时会触发                if(progressBar.getProgress() >= progressBar.getMax()){                         progressBar.setVisibility(View.INVISIBLE);                }else{                         progressBar.setVisibility(View.VISIBLE);                }            }        });    }}

很简单，不知道有用没。。。

seekbar手动拖动与progressbar进度绑定

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