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POEdit textView child from ExpandableListView (Strikethrough)
 

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  1. POEdit textView child from ExpandableListView (Strikethrough)
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    <p>I have a <code>ExpandableListView</code> with a <code>OnChildClickListener</code> but how can I add strikethrough to the <code>TextView</code> when it is clicked?</p> <p>mExpandableList.setOnChildClickListener(new OnChildClickListener() {</p> <pre><code> @Override public boolean onChildClick(ExpandableListView parent, View v, int groupPosition, int childPosition, long id) { Toast.makeText(getApplicationContext(), "Group: " + groupPosition + " Child: " + childPosition, Toast.LENGTH_SHORT).show(); //Do something (i.e. add strikethourgh) to the TextView clicked.. return false; } }); </code></pre> <p>My layout file for the activity is</p> <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" &gt; &lt;TextView android:id="@+id/calc_text" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello_world" /&gt; &lt;ExpandableListView android:id="@+id/calc_expandable_list" android:layout_width="fill_parent" android:layout_height="fill_parent" android:cacheColorHint="#00000000" android:listSelector="@android:color/transparent" android:transcriptMode="alwaysScroll" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>while the children of the ExpandableList is</p> <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/list_item_child" android:layout_width="fill_parent" android:layout_height="fill_parent" android:gravity="center_vertical" android:orientation="horizontal" &gt; &lt;TextView android:id="@+id/list_item_text_child" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="5dp" android:padding="10dp" android:textSize="20sp" /&gt; &lt;/LinearLayout&gt; </code></pre> <p>The error from LogCat is:</p> <pre><code>W/dalvikvm(28424): threadid=1: thread exiting with uncaught exception (group=0x4001d5a0) E/AndroidRuntime(28424): FATAL EXCEPTION: main E/AndroidRuntime(28424): java.lang.ClassCastException: android.widget.LinearLayout E/AndroidRuntime(28424): at com.test.skylderhverandre.Calc$1.onChildClick(Calc.java:185) E/AndroidRuntime(28424): at android.widget.ExpandableListView.handleItemClick(ExpandableListView.java:588) E/AndroidRuntime(28424): at android.widget.ExpandableListView.performItemClick(ExpandableListView.java:527) E/AndroidRuntime(28424): at android.widget.AbsListView$PerformClick.run(AbsListView.java:1831) E/AndroidRuntime(28424): at android.os.Handler.handleCallback(Handler.java:587) E/AndroidRuntime(28424): at android.os.Handler.dispatchMessage(Handler.java:92) E/AndroidRuntime(28424): at android.os.Looper.loop(Looper.java:150) E/AndroidRuntime(28424): at android.app.ActivityThread.main(ActivityThread.java:4385) E/AndroidRuntime(28424): at java.lang.reflect.Method.invokeNative(Native Method) E/AndroidRuntime(28424): at java.lang.reflect.Method.invoke(Method.java:507) E/AndroidRuntime(28424): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:849) E/AndroidRuntime(28424): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:607) E/AndroidRuntime(28424): at dalvik.system.NativeStart.main(Native Method) </code></pre>
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