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PONullPointerException when using RelativeLayout as custom InfoWindow
 

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    <p>I'm trying to use a <code>RelativeLayout</code> as custom <code>InfoWindow</code> for my markers, but a I get a <code>NullPointerException</code> every time <code>showInfoWindow</code> is called (via tapping on a <code>Marker</code> or programmatically). I'm using Google Maps Android API v2.</p> <p><strong>Exception:</strong></p> <pre class="lang-java prettyprint-override"><code>FATAL EXCEPTION: main java.lang.NullPointerException at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:465) at android.view.View.measure(View.java:15172) at maps.a.y.i(Unknown Source) at maps.a.y.a(Unknown Source) at maps.a.w.a(Unknown Source) at maps.a.bd.a(Unknown Source) at maps.y.bw.b(Unknown Source) at maps.y.bw.a(Unknown Source) at maps.a.dh.a(Unknown Source) at maps.a.n.c(Unknown Source) at maps.a.dw.a(Unknown Source) at maps.a.bd.c(Unknown Source) at maps.a.dq.onSingleTapConfirmed(Unknown Source) at maps.e.v.onSingleTapConfirmed(Unknown Source) at maps.e.j.handleMessage(Unknown Source) ... </code></pre> <p><strong>My code:</strong></p> <p>*custom_infowindow.xml*</p> <pre class="lang-xml prettyprint-override"><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="10dip" &gt; &lt;ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:paddingLeft="10dip" android:paddingRight="10dip" android:paddingTop="5dip" android:src="@drawable/icon" /&gt; &lt;TextView android:id="@+id/title" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_toLeftOf="@id/icon" android:ellipsize="end" android:paddingLeft="10dip" android:paddingRight="10dip" android:singleLine="true" /&gt; &lt;TextView android:id="@+id/snippet" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_below="@id/title" android:layout_toLeftOf="@id/icon" android:ellipsize="end" android:paddingBottom="10dip" android:paddingLeft="10dip" android:paddingRight="10dip" android:singleLine="true" /&gt; &lt;/RelativeLayout&gt; </code></pre> <p><em>CustomInfoWindowAdapter.java</em></p> <pre class="lang-java prettyprint-override"><code>public class CustomInfoWindowAdapter implements InfoWindowAdapter { private View layout; private LayoutInflater inflater; public CustomInfoWindowAdapter(Context context) { inflater = LayoutInflater.from(context); } @Override public View getInfoContents(Marker marker) { return null; } @Override public View getInfoWindow(Marker marker) { ViewHolder holder; if (layout == null) { layout = inflater.inflate(R.layout.custom_infowindow, null); holder = new ViewHolder(); holder.title = (TextView) layout.findViewById(R.id.title); holder.snippet = (TextView) layout.findViewById(R.id.snippet); layout.setTag(holder); } else { holder = (ViewHolder) layout.getTag(); } holder.title.setText(marker.getTitle()); holder.snippet.setText(marker.getSnippet()); return layout; } static class ViewHolder { TextView title; TextView snippet; } } </code></pre> <p>Funny thing is that if I use <code>LinearLayout</code> instead it works just fine, but I'd rather use only one <code>ViewGroup</code> if possible. And of course I would like to know what happens with that <code>onMeasure</code> throwing a <code>NullPointerException</code>.</p> <p>EDIT: Also, wrapping the <code>RelativeLayout</code> inside a <code>FrameLayout</code> or a <code>LinearLayout</code> will work. Wrapping it inside another <code>RelativeLayout</code> won't, of course.</p>
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    1. CONow new google maps API v2 is available try that.
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    2. COSorry I didn't explicitly mention it: I'm actually using v2 API.
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    3. COI've seen that exception happen when you try to get width or height of anything before the width is taken. Example try to get width before `super(savedInstanceState)` in `onCreate` of an Activity. Haven't worked with maps so I'm not sure what's causing it here
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