Contents iv
Chapter 2 Anatomy of an app ................................................................................................................. 20
Say hello ............................................................................................................................................................................................20
Inside the files .................................................................................................................................................................................24
The iOS project ...........................................................................................................................................................................26
The Android project .................................................................................................................................................................27
The Universal Windows Platform project ........................................................................................................................28
Nothing special! .........................................................................................................................................................................28
PCL or SAP? ......................................................................................................................................................................................29
Labels for text ..................................................................................................................................................................................31
Solution 1. Include padding on the page .......................................................................................................................35
Solution 2. Include padding just for iOS (SAP only) ....................................................................................................36
Solution 3. Include padding just for iOS (PCL or SAP) ...............................................................................................37
Solution 4. Center the label within the page .................................................................................................................39
Solution 5. Center the text within the label ....................................................................................................................41
Chapter 3 Deeper into text ...................................................................................................................... 42
Wrapping paragraphs ..................................................................................................................................................................42
Text and background colors ......................................................................................................................................................44
The Color structure .......................................................................................................................................................................46
Changing the application color scheme ...............................................................................................................................50
Font sizes and attributes .............................................................................................................................................................51
Formatted text ................................................................................................................................................................................53
Chapter 4 Scrolling the stack ................................................................................................................... 60
Stacks of views ................................................................................................................................................................................60
Scrolling content ............................................................................................................................................................................64
The Expands option ......................................................................................................................................................................70
Frame and BoxView ......................................................................................................................................................................74
A ScrollView in a StackLayout? .................................................................................................................................................82
Chapter 5 Dealing with sizes .................................................................................................................... 87
Pixels, points, dps, DIPs, and DIUs ...............................................................................................................................................87
Metrical sizes ...................................................................................................................................................................................96
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