Android App Development 20150611
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The document discusses an Android app development workshop that covers locking screen orientation, creating advanced layouts using the layout editor, and adjusting text sizes for different screen sizes. Specifically, it describes how to force landscape orientation in the manifest, develop app layouts by dragging and dropping widgets in the editor, set image source and widget properties like weight, and includes a link about adjusting text sizes.
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Android App Development 20150611
- 1. Android App Development 7 11 June, 2015
- 2. Last Workshop Creating a signed APK Installing an APK file Changing App icon
- 3. Locking Screen Orientation Advanced Layout Editor Today’s Contents
- 4. Preparations New Project Application name: Advanced Layout Editor Minimum SDK: API8 Activity: Blank Activity Activity Name: MainActivity Image Files Put image files into folder res/drawable shakehands.png jamaica.png japan.png
- 6. Auto-rotate Screen Locking Screen Orientation landscape modeportrait mode
- 7. Force “landscape” mode Edit app > manifests > AndroidManifest.xml Locking Screen Orientation
- 8. Simulator Locking Screen Orientation Ctrl + F11
- 10. Develop an app layout by dragging and dropping objects Advanced Layout Editor
- 12. Advanced Layout Editor LinearLayout (horizontal) textView imageView textView imageView imageView
- 13. Change Background Color Advanced Layout Editor
- 14. Add Text View Advanced Layout Editor
- 16. Add LinearLayout (horizontal) Advanced Layout Editor
- 17. Add ImageView Advanced Layout Editor
- 19. Set “src” property of ImageView Advanced Layout Editor
- 20. Set “weight” property of ImageView Advanced Layout Editor
- 21. Change “width” property of ImageView Advanced Layout Editor
- 22. Change Device of Preview Advanced Layout Editor
- 24. http://android4beginners.com/2013/07/appendix-c-everything-about-sizes-and-dimensions-in-android/ Adjust Text Size for Different Screen Sizes
- 25. Wrap Up for Today Locking Screen Orientation Advanced Layout Editor
- 28. Weight Attribute A number that specifies the amount of remaining space each view should consume weight = 2 weight = 1 View A View B fills 2/3 fills 1/3 Screen Width