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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. Understanding Android Application and Activity Lifecycles ............................................................... 73
11.1 Android Applications and Resource Management ..................................................................... 73
11.2 Android Process States ................................................................................................................... 73
11.2.1 Foreground Process ................................................................................................................. 74
11.2.2 Visible Process .......................................................................................................................... 74
11.2.3 Service Process ......................................................................................................................... 74
11.2.4 Background Process ................................................................................................................. 74
11.2.5 Empty Process .......................................................................................................................... 75
11.3 Inter-Process Dependencies ......................................................................................................... 75
11.4 e Activity Lifecycle ...................................................................................................................... 75
11.5 e Activity Stack ............................................................................................................................ 75
11.6 Activity States .................................................................................................................................. 76
11.7 Conguration Changes .................................................................................................................. 76
11.8 Handling State Change ................................................................................................................... 77
11.9 Summary .......................................................................................................................................... 77
12. Handling Android Activity State Changes............................................................................................. 79
12.1 New vs. Old Lifecycle Techniques ................................................................................................. 79
12.2 e Activity and Fragment Classes ............................................................................................... 79
12.3 Dynamic State vs. Persistent State ................................................................................................. 82
12.4 e Android Lifecycle Methods .................................................................................................... 82
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