Android 如何从活动中适配器的getveiw()访问seekbar视图
我想从填充listview的活动中适配器的getveiw()访问seekbar 适配器中的getview():Android 如何从活动中适配器的getveiw()访问seekbar视图,android,listview,seekbar,Android,Listview,Seekbar,我想从填充listview的活动中适配器的getveiw()访问seekbar 适配器中的getview(): if (convertView == null) { LayoutInflater inflator = context.getLayoutInflater(); convertView = inflator.inflate(R.layout.row, null); viewHolder = new ViewHolder();
if (convertView == null) {
LayoutInflater inflator = context.getLayoutInflater();
convertView = inflator.inflate(R.layout.row, null);
viewHolder = new ViewHolder();
viewHolder.seekbar= (SeekBar) convertView.findViewById(R.id.seekBar1);
viewHolder.seekbar.setOnSeekBarChangeListener( myseekbarlistener);
viewHolder.time_txt= (TextView) convertView.findViewById(R.id.textView1);
}
试试这个,创建一个这样的构造函数
public Top15Adapter(Top15Stocks top15Stocks, OnSeekBarChangeListener listner) {
// TODO Auto-generated constructor stub
this.OnSeekBarChangeListener = listher;
}
listher.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {
private int progressChanged = 0;
@Override
public void onStopTrackingTouch(SeekBar arg0) {
// TODO Auto-generated method stub
Toast.makeText(Activityname.this,
"seek bar progress:" + progressChanged,
Toast.LENGTH_SHORT).show();
}
@Override
public void onStartTrackingTouch(SeekBar arg0) {
// TODO Auto-generated method stub
}
@Override
public void onProgressChanged(SeekBar arg0, int arg1,
boolean fromuser) {
// TODO Auto-generated method stub
progressChanged = arg1;
}
});
如果您想更新seekbar进度,那么只需
viewHolder.seekbar.setProgress(value);
或者你的意思是别的吗?请再读一遍我的问题。我想从“活动”访问seekbar视图。我知道seekbarChaneListener(…),在添加构造函数之后,下一步是什么?@Raja,请理解我的查询..添加构造函数不会改变我的问题。我需要从活动中更新seekbar进度。希望现在天气转晴。