大佬教程收集整理的这篇文章主要介绍了android – 显示seekbar的上一个值，大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
public View onCreateView(LayoutInflater inflater,ViewGroup container,Bundle savedInstanceStatE) { view = inflater.inflate(R.layout.interval,container,falsE); seekbar=(SeekBar)view.findViewById(R.id.seekBar1); ques = (TextView)view. findViewById(R.id.question); textrating=(TextView)view.findViewById(R.id.textrating); /*l1=(LinearLayout)view.findViewById(R.id.linear);*/ db=new DatabaseHandler(getActivity()); retrieveQuestion(); retrieverating(); seekbar.setProgress(0); seekbar.incrementProgressBy(diff); seekbar.setMax(ratinglast); seekbar.setOnSeekBarchangelistener(new OnSeekBarchangelistener() { @Override public void onProgressChanged(SeekBar seekbar,int progress,Boolean fromuser) { Log.e("DEBUG","Progress is: "+progress); if(j<len) { progress=rating[j]; j++; textrating.setText(""+progress); } } @Override public void onStartTrackingTouch(SeekBar seekbar) { // TODO Auto-generated method stub } @Override public void onStopTrackingTouch(SeekBar seekbar) { // TODO Auto-generated method stub } }); return view; } void retrieveQuestion() { db.open(); cursor c=db.getQuestion(username,surveyName,SELEctedQues,question_no); if(c.moveToFirst()) { int index=c.getcolumnIndex("question"); question1= c.getString(indeX); ques.setText(question1); } } public void retrieverating() { cursor c=db.getAnswer(username,question_no); len=c.getCount(); Log.e("len",""+len); if(c.moveToFirst()) { do { int index=c.getcolumnIndex("answer"); rating[i]=c.geTint(indeX); Log.e("i",""+i); Log.e("rating in do while",""+rating[i]); i++; }while(c.moveToNext()); } rating1=rating[0]; rating2=rating[1]; diff=rating2-rating1; Log.e("diff",""+diff); ratinglast=rating[len-1]; Log.e("ratinglast",""+ratinglast); } }
我实现的代码是：
public View onCreateView(LayoutInflater inflater,Bundle savedInstanceStatE) { view = inflater.inflate(R.layout.interval,falsE); seekbar=(SeekBar)view.findViewById(R.id.seekBar1); ques = (TextView)view. findViewById(R.id.question); textrating=(TextView)view.findViewById(R.id.textrating); db=new DatabaseHandler(getActivity()); retrieveQuestion(); retrieverating(); seekbar.setProgress(0); //ratinglast is last rating seekbar.setMax(ratinglast); seekbar.setOnSeekBarchangelistener(new OnSeekBarchangelistener() { @Override public void onProgressChanged(SeekBar seekbar,Boolean fromuser) { Log.e("DEBUG","Progress is: "+progress); //diff is difference between two ratings. progress = ((int)R_455_11845@ath.round(progress/diff ))*diff; seekbar.setProgress(progress); textrating.setText(progress + ""); } @Override public void onStartTrackingTouch(SeekBar seekbar) { // TODO Auto-generated method stub } @Override public void onStopTrackingTouch(SeekBar seekbar) { } }); return view; } //Method to retrieve rating from sqlite database public void retrieverating() { cursor c=db.getAnswer(username,question_no); len=c.getCount(); Log.e("len",""+len); if(c.moveToFirst()) { do { int index=c.getcolumnIndex("answer"); rating[i]=c.geTint(indeX); Log.e("i",""+i); Log.e("rating in do while",""+rating[i]); i++; }while(c.moveToNext()); } rating1=rating[0]; rating2=rating[1]; diff=rating2-rating1; Log.e("diff",""+diff); ratinglast=rating[len-1]; Log.e("ratinglast",""+ratinglast); }
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