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PODialog on listview click Android 2.3
 

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  1. PODialog on listview click Android 2.3
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    <p>I am having a problem displaying my "Custom Bitmap Image" on my shown dialog. The image is not null. I checked through debug mode and also my listview already shows an image of it.</p> <blockquote> <p>My main question is "Am I missing a requirement or doing something wrong?". Please excuse me on this one. My first time using dialogs.</p> </blockquote> <p>I would also like to add that the dialog does shows on click.</p> <p>My generation on dialog on click</p> <pre><code>@Override protected void onListItemClick(ListView l, View v, int position, long id) { // TODO Auto-generated method stub super.onListItemClick(l, v, position, id); Dialog dialog = new Dialog(A_Test4Activity.this); dialog.setContentView(R.layout.custom_dialog); dialog.setTitle("Title"); TextView tv = (TextView)findViewById(R.id.data1); ImageView iv = (ImageView)findViewById(R.id.dialog_image); try{ Bitmap bm = bm_List.get(position); iv.setImageBitmap(bm); }catch (Exception e) { // TODO: handle exception e.printStackTrace(); } dialog.show(); } </code></pre> <p>My ArrayAdapter for listview</p> <pre><code>class IconicAdapter extends ArrayAdapter&lt;String&gt;{ IconicAdapter() { super(A_Test4Activity.this, R.layout.row, R.id.label, book_fileName_list); } public View getView(int position, View convertView, ViewGroup parent) { // String[] items = book_fileName_list.toArray(new String[book_fileName_list.size()]); View row = super.getView(position, convertView, parent); ImageView icon=(ImageView)row.findViewById(R.id.icon); TextView author = (TextView)row.findViewById(R.id.book_Author); TextView bookTitle = (TextView)row.findViewById(R.id.Book_Title); icon.setImageBitmap(bm_List.get(position)); bookTitle.setText(book_title_list.get(position)); author.setText(List_Author.get(position)); return(row); } } </code></pre> <p>My Custom Dialog.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/layout_root" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" &gt; &lt;ImageView android:id="@+id/dialog_image" android:layout_width="300px" android:layout_height="300px" android:src="@drawable/temp_book" /&gt; &lt;ScrollView android:id="@+id/scroller" android:layout_width="fill_parent" android:layout_height="wrap_content" &gt; &lt;LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content"&gt; &lt;TextView android:id="@+id/data1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textColor="#FFF" android:textSize="10sp" android:text="Data1" /&gt; &lt;/LinearLayout&gt; &lt;/ScrollView&gt; &lt;Button android:id = "@+id/confirm" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="CONFIRM"/&gt; &lt;Button android:id = "@+id/close" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="CLOSE"/&gt; &lt;/LinearLayout&gt; </code></pre> <p>Forgot to put my logcat error</p> <pre><code>02-23 16:00:02.862: W/TextLayoutCache(2286): computeValuesWithHarfbuzz -- need to force to single run 02-23 16:00:04.495: W/System.err(2286): java.lang.NullPointerException 02-23 16:00:04.495: W/System.err(2286): at test.list.A_Test4Activity.onListItemClick(A_Test4Activity.java:328) 02-23 16:00:04.495: W/System.err(2286): at android.app.ListActivity$2.onItemClick(ListActivity.java:319) 02-23 16:00:04.495: W/System.err(2286): at android.widget.AdapterView.performItemClick(AdapterView.java:292) 02-23 16:00:04.495: W/System.err(2286): at android.widget.AbsListView.performItemClick(AbsListView.java:1058) 02-23 16:00:04.495: W/System.err(2286): at android.widget.AbsListView$PerformClick.run(AbsListView.java:2514) 02-23 16:00:04.495: W/System.err(2286): at android.widget.AbsListView$1.run(AbsListView.java:3168) 02-23 16:00:04.495: W/System.err(2286): at android.os.Handler.handleCallback(Handler.java:605) 02-23 16:00:04.495: W/System.err(2286): at android.os.Handler.dispatchMessage(Handler.java:92) 02-23 16:00:04.495: W/System.err(2286): at android.os.Looper.loop(Looper.java:137) 02-23 16:00:04.495: W/System.err(2286): at android.app.ActivityThread.main(ActivityThread.java:4340) 02-23 16:00:04.495: W/System.err(2286): at java.lang.reflect.Method.invokeNative(Native Method) 02-23 16:00:04.495: W/System.err(2286): at java.lang.reflect.Method.invoke(Method.java:511) 02-23 16:00:04.495: W/System.err(2286): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 02-23 16:00:04.503: W/System.err(2286): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 02-23 16:00:04.503: W/System.err(2286): at dalvik.system.NativeStart.main(Native Method) </code></pre>
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