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POmanaging visibility of relativelayout children
 

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  1. POmanaging visibility of relativelayout children
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    <p>I had to implement the expand/collapse(show/hide) a particular view on click of a some other view..Finally got it working but with a small problem.<br> I have a relative layout with two children: first is the textview and second is a linear layout.<br> On the click event of the textview i set the visibility(VISIBLE or GONE) of the following linear layout.<br> Now the problem is that after the linear layout is visible it somehow manages to hide the textview..<br> I tried <code>textview.bringToFront()</code> but it just makes the textview overlap the first row of the linearlayout ie the textview comes on top of the linear layout content.<br> I tried putting the textview in a linearlayout, but it makes no difference.<br> I tried setting the linear layout as BELOW. All in vain..<br> I know the textview exists because when i click the first row(which is overlapping the textview) the click event gets fired..<br> All i want is that no matter what my textview should be visible and the linear layout must take its position below the textview if it is visible..<br> <strong>EDIT</strong> </p> <pre><code>RelativeLayout wrapperlayout = new RelativeLayout(getActivity()); //wrapperlayout.setLayoutParams(new android.widget.RelativeLayout.LayoutParams(android.widget.RelativeLayout.LayoutParams.MATCH_PARENT, android.widget.RelativeLayout.LayoutParams.WRAP_CONTENT)); //-------------HANDLE--------------------------- TextView txtHeader = new TextView(getActivity()); txtHeader.setOnClickListener(new OnClickListener() { @SuppressLint("NewApi") @Override public void onClick(View v) { // TODO Auto-generated method stub TextView tv = (TextView) v; RelativeLayout rParent = (RelativeLayout) tv.getParent(); LinearLayout lInner = (LinearLayout) rParent.getChildAt(1); if(lInner.isShown()) { tv.setCompoundDrawablesWithIntrinsicBounds(R.drawable.expand, 0, 0, 0); //tv.bringToFront(); lInner.setVisibility(View.GONE); //lInner.startAnimation(AnimationUtils.loadAnimation(getActivity(), R.anim.slide_up)); } else{ tv.setCompoundDrawablesWithIntrinsicBounds(R.drawable.collapse, 0, 0, 0); //tv.bringToFront(); lInner.setVisibility(View.VISIBLE); lInner.setTop(tv.getBottom()); //lInner.startAnimation(AnimationUtils.loadAnimation(getActivity(), R.anim.slide_down)); } } }); txtHeader.setText("Header"); txtHeader.setCompoundDrawablesWithIntrinsicBounds(R.drawable.expand, 0, 0, 0); txtHeader.setLayoutParams(new android.widget.LinearLayout.LayoutParams(android.widget.LinearLayout.LayoutParams.MATCH_PARENT, android.widget.LinearLayout.LayoutParams.WRAP_CONTENT)); //--------------CONTENT------------------------- LinearLayout lContent = new LinearLayout(getActivity()); lContent.setLayoutParams(new android.widget.LinearLayout.LayoutParams(android.widget.LinearLayout.LayoutParams.MATCH_PARENT, android.widget.LinearLayout.LayoutParams.WRAP_CONTENT)); lContent.setOrientation(LinearLayout.VERTICAL); HashMap&lt;String, String&gt; MySet = new HashMap&lt;String, String&gt;(); MySet = getData(); Iterator&lt;String&gt;RowItr = MySet.keySet().iterator(); int rowcnt = 0; while (RowItr.hasNext()) { LinearLayout lRow = new LinearLayout(getActivity()); LinearLayout.LayoutParams lparams1 = new LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT); lRow.setLayoutParams(lparams1); lRow.setOrientation(LinearLayout.HORIZONTAL); TextView txtLbl = new TextView(getActivity()); txtLbl.setLayoutParams(new LinearLayout.LayoutParams(0, android.view.ViewGroup.LayoutParams.WRAP_CONTENT, 1)); TextView txtVal = new TextView(getActivity()); txtVal.setLayoutParams(new LinearLayout.LayoutParams(0, android.view.ViewGroup.LayoutParams.WRAP_CONTENT, 1)); String Lbl = RowItr.next(); txtLbl.setText(Lbl); if(rowcnt % 2 != 0) lRow.setBackgroundColor(Color.parseColor("#dbe4f0")); else lRow.setBackgroundColor(Color.parseColor("#ffffff")); txtVal.setText(MySet.get(Lbl)); lRow.addView(txtLbl); lRow.addView(txtVal); lRow.setPadding(10, 10, 10, 10); lContent.addView(lRow); rowcnt++; } lContent.setVisibility(View.GONE); wrapperlayout.addView(txtHeader); wrapperlayout.addView(lContent); RelativeLayout.LayoutParams rPARAMS = new RelativeLayout.LayoutParams(android.widget.RelativeLayout.LayoutParams.MATCH_PARENT, android.widget.RelativeLayout.LayoutParams.WRAP_CONTENT); //rPARAMS.addRule(RelativeLayout.ABOVE, txtHeader.getId()); //rPARAMS.addRule(RelativeLayout.BELOW, lContent.getId()); wrapperlayout.setLayoutParams(rPARAMS); </code></pre>
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    1. USAmruta
    1. USAmruta
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    1. COCan you please upload some code?
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      1. USLawrance
    2. COpaste your code here
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      1. USBhanu Sharma
 

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