安卓常用View（三）

本篇常用的View如图中所示：

xml布局代码

 java代码

public class ProgressActivity extends AppCompatActivity {
    private ProgressBar pb_progress_load;
    private ProgressBar pb_progress_loading;
    private SeekBar sb_progress_loading;

    private SeekBar.OnSeekBarChangeListener onSeekBarChangeListener = new SeekBar.OnSeekBarChangeListener() {
        @Override
        public void onProgressChanged(SeekBar seekBar, int i, boolean b) {

        }

        @Override
        public void onStartTrackingTouch(SeekBar seekBar) {

        }

        @Override
        public void onStopTrackingTouch(SeekBar seekBar) {
            pb_progress_loading.setProgress(seekBar.getProgress());
            if (seekBar.getProgress() == seekBar.getMax()) {
                pb_progress_load.setVisibility(View.GONE);
            } else {
                pb_progress_load.setVisibility(View.VISIBLE);
            }
        }
    };


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_progress);
        pb_progress_load = findViewById(R.id.pb_progress_load);
        pb_progress_loading = findViewById(R.id.pb_progress_loading);
        sb_progress_loading = findViewById(R.id.sb_progress_loading);

        sb_progress_loading.setOnSeekBarChangeListener(onSeekBarChangeListener);


    }
}