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POHow to make a widget scrollable under Android 4.0?
 

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  1. POHow to make a widget scrollable under Android 4.0?
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    <p>I have a working pre Android 4 widget that shows a list of items. Each items has a color patch that shows one of three colors and text whose color and style are determined by attributes of the app data. The list is implemented as a vertical LinearLayout but I want to convert it to ListView to make the widget scrollable in ICS. I could not figure out though how to map the underlying item data properties to the item remote view, when using a ListView.</p> <p>(code below is simplified).</p> <p>The item data class is</p> <pre><code>class ItemData { String text; int textColor; int patchColor; } </code></pre> <p>The widget top layout is</p> <pre><code>&lt;FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/widget_top_view" android:layout_width="fill_parent" android:layout_height="fill_parent" &gt; &lt;LinearLayout android:id="@+id/widget_item_list" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" &gt; // Items are added here at runtime by my widget provider class. &lt;/LinearLayout&gt; &lt;/FrameLayout&gt; </code></pre> <p>And each item view uses this layout</p> <pre><code>&lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" &gt; &lt;FrameLayout android:id="@+id/widget_item_color" // background color is set at runtime by the widget provider based // on patchColor member of the item data. android:layout_width="6dip" android:layout_height="fill_parent" &gt; &lt;/FrameLayout&gt; &lt;TextView android:id="@+id/widget_item_text_view" android:layout_width="fill_parent" android:layout_height="fill_parent" // Actual color is set at runtime by the widget provider based on // item data. android:textColor="@color/color_place_holder" android:background="@android:color/transparent" // May be set at runtime to false, based on user's prefernces. android:singleLine="true" android:scrollHorizontally="false" android:ellipsize="end" &gt; &lt;/TextView&gt; &lt;/LinearLayout&gt; </code></pre> <p>My question is, if I change the LinearLayout in the top layout to a ListView, where do I plug in the logic to map item data to item view properties? Any sample code that does similar mapping?</p>
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    1. USuser1076637
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    1. COhttp://developer.android.com/guide/topics/appwidgets/index.html - did you look at "Using App Widgets with Collections"?
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      1. POHow to make a widget scrollable under Android 4.0?
      1. USEboMike
    2. COYes, this addresses it, thanks. The mapping logic should be implemented by a service then.
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      1. POHow to make a widget scrollable under Android 4.0?
      1. USuser1076637
 

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