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POTextView extended; UnsupportedOperationException
 

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  1. POTextView extended; UnsupportedOperationException
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    <p>I have extended a <code>TextView</code> to also implement <code>Checkable</code>. I have not touched any <code>TextView</code> stuff, except for <code>onCreateDrawableState</code>. Furthermore, I just implemented the Checkable methods. (abridged for clarity.)</p> <pre><code>public class CheckableTextView extends TextView implements Checkable { public CheckableTextView(Context context, AttributeSet attrs) { super(context, attrs); } @Override protected int[] onCreateDrawableState(int extraSpace) { final int[] drawableState = super.onCreateDrawableState(extraSpace + 1); if (isChecked()) { mergeDrawableStates(drawableState, CheckedStateSet); } return drawableState; } </code></pre> <p>It compiles fine on ICS, but in Android 2.3 I get a pretty weird error when the program tried to inflate this view.</p> <pre><code>10-31 00:51:20.414: E/AndroidRuntime(601): FATAL EXCEPTION: main 10-31 00:51:20.414: E/AndroidRuntime(601): android.view.InflateException: Binary XML file line #3: Error inflating class net.blackenvelope.utrechtafval.map.layouts.CheckableTextView </code></pre> <p>...</p> <pre><code>10-31 00:51:20.414: E/AndroidRuntime(601): Caused by: java.lang.reflect.InvocationTargetException 10-31 00:51:20.414: E/AndroidRuntime(601): at java.lang.reflect.Constructor.constructNative(Native Method) 10-31 00:51:20.414: E/AndroidRuntime(601): at java.lang.reflect.Constructor.newInstance(Constructor.java:415) 10-31 00:51:20.414: E/AndroidRuntime(601): at android.view.LayoutInflater.createView(LayoutInflater.java:505) 10-31 00:51:20.414: E/AndroidRuntime(601): ... 45 more 10-31 00:51:20.414: E/AndroidRuntime(601): Caused by: java.lang.UnsupportedOperationException: Can't convert to dimension: type=0x2 10-31 00:51:20.414: E/AndroidRuntime(601): at android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:463) 10-31 00:51:20.414: E/AndroidRuntime(601): at android.view.View.&lt;init&gt;(View.java:1963) 10-31 00:51:20.414: E/AndroidRuntime(601): at android.widget.TextView.&lt;init&gt;(TextView.java:344) 10-31 00:51:20.414: E/AndroidRuntime(601): at android.widget.TextView.&lt;init&gt;(TextView.java:337) 10-31 00:51:20.414: E/AndroidRuntime(601): at net.app.layouts.CheckableTextView.&lt;init&gt;(CheckableTextView.java:11) 10-31 00:51:20.414: E/AndroidRuntime(601): ... 48 more </code></pre> <p>I can't seem to find out what this type=0x2 means. </p> <p>Here is the XML:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;app.CheckableTextView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/overlay_type_title" android:layout_width="match_parent" android:background="@drawable/overlay_list_bg_selector" android:layout_height="wrap_content" android:drawableLeft="@drawable/overlay_list_icon" android:drawablePadding="10dp" android:gravity="center_vertical" android:minHeight="?android:attr/listPreferredItemHeightSmall" android:paddingLeft="10dp" android:paddingRight="?android:attr/listPreferredItemPaddingRight" android:textAppearance="?android:attr/textAppearanceListItemSmall" &gt; &lt;/app.CheckableTextView&gt; </code></pre>
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    1. PO
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    1. USMaarten
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    1. COIt means you're passing an attribute as a dimension value, probably in your XML. Can we see the XML file you're inflating from?
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      1. POTextView extended; UnsupportedOperationException
      1. USEric
    2. COAh, I don't really get this attribute business. I think I copied it from some example somewhere. How would I go about hardcoding these attributes? Would that be wise?
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      1. POTextView extended; UnsupportedOperationException
      1. USMaarten
 

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