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POhorizontal scrollview with numbers in android
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copied!<p>I have scrollview when I put 200 x TextView with values.</p> <p>I have three problems: 1. Scroll stoped in different position. I need stoped it value on center scroll. 2. I can get value from scroll only I stoped scroll. I want get it when value on center change. 3. I have scroll with values 0 - 100 and values on center is 4. I want 0. And blank field on left.</p> <p>Please help me.</p> <p>CODE:</p> <pre><code>for(int i = 0 ;i<221;i++) { valueTV = new TextView(getActivity().getApplicationContext()); valueTV.setText(Integer.toString(i)); valueTV.setWidth(50); valueTV.setHeight(30); valueTV.setGravity(Gravity.CENTER_HORIZONTAL); valueTV.setTextColor(Color.BLACK); valueTV.setTag(i-1); line.addView(valueTV); } final int chilrenNum = line.getChildCount(); scroll = (MyScrollView) rootView.findViewById(R.id.horizontalScrollView1); scroll.setOnScrollStoppedListener(new OnScrollStoppedListener() { @Override public void onScrollStopped() { int center = scroll.getScrollX() + scroll.getWidth() / 2; for (int i = 0; i < chilrenNum; i++) { View v = line.getChildAt(i); int viewLeft = v.getLeft(); int viewWidth = v.getWidth(); if (center >= viewLeft && center <= viewLeft + viewWidth) { int center_at=(viewLeft+5 + viewWidth / 2) - center; scroll.scrollBy(center_at, 0); height.setText(v.getTag().toString()); break; } } } }); </code></pre> <p>AND SCROLL</p> <pre><code>public class MyScrollView extends HorizontalScrollView{ private Runnable scrollerTask; private int initialPosition; private int newCheck = 100; public interface OnScrollStoppedListener{ void onScrollStopped(); } private OnScrollStoppedListener onScrollStoppedListener; public MyScrollView(Context context, AttributeSet attrs) { super(context, attrs); scrollerTask = new Runnable() { public void run() { int newPosition = getScrollX(); if(initialPosition - newPosition == 0){//has stopped if(onScrollStoppedListener!=null){ onScrollStoppedListener.onScrollStopped(); } }else{ initialPosition = getScrollX(); MyScrollView.this.postDelayed(scrollerTask, newCheck); } } }; } public void setOnScrollStoppedListener(OnScrollStoppedListener listener){ onScrollStoppedListener = listener; } public void startScrollerTask(){ initialPosition = getScrollX(); MyScrollView.this.postDelayed(scrollerTask, newCheck); } } </code></pre>

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