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So what I did to make this work was to use the <code>card_background.9.png</code> nine-patch file from Google Music: <img src="https://i.imgur.com/tT0dOOn.png" alt="card_background.9.png"> Copy this file to <code>card_background.9.png</code> and place in your <code>res/drawable-xhdpi</code> folder, you can also do the same for: <img src="https://i.imgur.com/wn4rLIF.png" alt="card_background.9.png"> in <code>res/drawable-hdpi</code> and: <img src="https://i.imgur.com/nBkz0HY.png" alt="card_background.9.png"> in <code>res/drawable-mdpi</code>. Next come the content view, and grid item layouts. To get it right you have to be careful about how and where you do the padding and the all important <code>clipToPadding</code> property. First there's the grid layout, this acts as my main content view in the activity, in file <code>board_grid_layout.xml</code>: <pre><code><?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/board_grid_layout" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="0dp"> <GridView android:id="@+id/board_grid_view" style="@style/BoardGridView" /> </RelativeLayout> </code></pre> This is the style I used for the BoardGridView in my <code>styles.xml</code>, I dimensionalise the constants for supporting tablets/landscaping, but I've hardcoded them here for ease of use: <pre><code><style name="BoardGridView" parent="AppTheme"> <item name="android:layout_width">match_parent</item> <item name="android:layout_height">wrap_content</item> <item name="android:padding">8dp</item> <item name="android:clipToPadding">false</item> <item name="android:gravity">top|left</item> <item name="android:smoothScrollbar">true</item> <item name="android:cacheColorHint">#00000000</item> <item name="android:fastScrollEnabled">true</item> <item name="android:horizontalSpacing">8dp</item> <item name="android:verticalSpacing">8dp</item> <item name="android:numColumns">3</item> <item name="android:stretchMode">columnWidth</item> <item name="android:scrollbarStyle">outsideOverlay</item> </style> </code></pre> Then there's the grid item layout with the card background. Here's my layout file <code>board_grid_item.xml</code>: <pre><code><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/grid_item" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" android:background="@drawable/card_background" > <RelativeLayout android:id="@+id/grid_item_thread_image_wrap" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginBottom="8dp" > <ImageView android:id="@+id/grid_item_thread_thumb" android:layout_width="match_parent" android:layout_height="wrap_content" android:scaleType="centerCrop" android:contentDescription="Thread thumbnail" /> <ImageView android:id="@+id/grid_item_country_flag" android:layout_width="18dp" android:layout_height="11dp" android:scaleType="fitXY" android:layout_alignParentTop="true" android:layout_alignParentRight="true" android:contentDescription="Thread country flag" /> </RelativeLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="84dp" android:orientation="vertical" > <TextView android:id="@+id/grid_item_thread_subject" android:layout_width="match_parent" android:layout_height="wrap_content" android:paddingLeft="8dp" android:paddingRight="8dp" android:textColor="#444" android:textSize="14sp" android:maxLines="2" /> <TextView android:id="@+id/grid_item_thread_info" android:layout_width="match_parent" android:layout_height="wrap_content" android:paddingLeft="8dp" android:paddingRight="8dp" android:textColor="#aaa" android:textSize="12sp" android:maxLines="3" /> </LinearLayout> </LinearLayout> </code></pre> Now to hook this together you need a cursor loader and adapter, but that's outside the scope of the question. This layout should let you make a card-view like Google Music. Here's the resulting screenshot of the above nine-patch image and xml applied on my Samsung Galaxy S3 in portrait mode: <img src="https://i.imgur.com/gty8Fpe.png" width="450">
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1. COAwesome, gonna try this when I come home. Thanks!
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2. COAwesome!!!! Thanks!
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