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Table of Contents
8.7 Code Generation ............................................................................................................................... 60
8.8 Code Folding ...................................................................................................................................... 61
8.9 Quick Documentation Lookup ....................................................................................................... 62
8.10 Code Reformatting..........................................................................................................................63
8.11 Finding Sample Code ..................................................................................................................... 63
8.12 Summary .......................................................................................................................................... 64
9. An Overview of the Android Architecture .............................................................................................. 65
9.1 e Android Soware Stack ............................................................................................................ 65
9.2 e Linux Kernel ...............................................................................................................................66
9.3 Android Runtime – ART .................................................................................................................. 66
9.4 Android Libraries .............................................................................................................................. 66
9.4.1 C/C++ Libraries ......................................................................................................................... 67
9.5 Application Framework .................................................................................................................... 67
9.6 Applications ....................................................................................................................................... 68
9.7 Summary ............................................................................................................................................ 68
10. e Anatomy of an Android Application .............................................................................................. 69
10.1 Android Activities ........................................................................................................................... 69
10.2 Android Fragments .........................................................................................................................69
10.3 Android Intents ............................................................................................................................... 70
10.4 Broadcast Intents .............................................................................................................................70
10.5 Broadcast Receivers ........................................................................................................................ 70
10.6 Android Services ............................................................................................................................. 70
10.7 Content Providers ...........................................................................................................................71
10.8 e Application Manifest ............................................................................................................... 71
10.9 Application Resources .................................................................................................................... 71
10.10 Application Context ...................................................................................................................... 71
10.11 Summary ........................................................................................................................................ 71
11. An Introduction to Kotlin ...................................................................................................................... 73
11.1 What is Kotlin? ................................................................................................................................ 73
11.2 Kotlin and Java ................................................................................................................................. 73
11.3 Converting from Java to Kotlin ..................................................................................................... 73
11.4 Kotlin and Android Studio ............................................................................................................ 74
11.5 Experimenting with Kotlin ............................................................................................................ 74
11.6 Semi-colons in Kotlin ..................................................................................................................... 75
11.7 Summary .......................................................................................................................................... 75
12. Kotlin Data Types,Variables and Nullability ......................................................................................... 77
12.1 Kotlin Data Types ............................................................................................................................ 77
12.1.1 Integer Data Types ................................................................................................................... 78
12.1.2 Floating Point Data Types ...................................................................................................... 78
12.1.3 Boolean Data Type ................................................................................................................... 78
12.1.4 Character Data Type ................................................................................................................ 78
12.1.5 String Data Type ....................................................................................................................... 78
12.1.6 Escape Sequences ..................................................................................................................... 79
12.2 Mutable Variables ............................................................................................................................ 80
12.3 Immutable Variables ....................................................................................................................... 80
12.4 Declaring Mutable and Immutable Variables .............................................................................. 80
12.5 Data Types are Objects ................................................................................................................... 80
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