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    <p>Android icons (and other UI elements, like drag lengths) are measured in dp. A dp is a device/density-independent pixel. 1 dp is equivalent to 1 px on a 160 dpi screen. But to convert to other screen densities, you need to multiply it by a density factor. So it's generally recommended that multiple images are supplied for most icons.</p> <p>For example, the notification icons used in the status bar are specified as 24x24 dp, with a 1 dp margin (so the actual icon only takes up a 22x22 dp optical square, though some of the AA can bleed into that 1 dp margin/safeframe). To convert 24 dp to actual pixel sizes, these rough calculations are used:</p> <pre><code>display density dp units * scale = px units ldpi ~120 dpi 24x24 dp * .75 = 18x18 px mdpi ~160 dpi 24x24 dp * 1.0 = 24x24 px hdpi ~240 dpi 24x24 dp * 1.5 = 36x36 px xhdpi ~320 dpi 24x24 dp * 2.0 = 48x48 px </code></pre> <p>There's also an intermediate display density called tvdpi (~213 dpi) that sits between mdpi and hdpi and has a scale factor of 1.33, but this is much less common. What the Android docs recommend is that you follow a 3:4:6:8 scaling ratio when providing prescaled bitmap images (usually PNGs) for the most common display densities.</p> <p>I don't see anywhere where they specify the dp size for the large icons used in notifications, but the height of each notification in normal inbox view is 64 dp. So that means the max size for icons/images shown there would be:</p> <pre><code>ldpi: 48x48 px mdpi: 64x64 px hdpi: 96x96 px xhdpi: 128x128 px </code></pre> <p>If you want to know exactly what image sizes Android's stock icons are, you should be able to find out from the Android Icon Templates Pack, v4.0.</p>
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    1. USShubham Baldava
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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