By Jason Morris
This can be a step by step advisor that goals to provide even a beginner Android developer a great grab of user-interface layout, whereas operating via examples, diagrams, and screenshots to exhibit some of the widgets and instruments that the platform makes on hand.
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Additional resources for Android User Interface Development: Beginner's Guide
C. Add a CSS attribute: style="font-weight: bold". d. Use the android:textStyle attribute. 3. What would happen if we changed the LinearLayout from vertical orientation, to horizontal? a. The layout would turn on its side. b. All of the widgets would be squashed together on the screen. c. Only the question TextView would be visible on the screen. d. The question, and possibly some other View objects may be visible on the screen depending on the number of pixels available. e. The layout would overflow, causing the widgets to appear next to each other, over several lines.
9. restaurant); 10. restaurants))); What just happened We first created a new layout XML resource containing the styled TextView that we wanted to be used for each list item in our restaurant's ListView. com/apk/res/android" android:gravity="center|center_vertical" android:textSize="@dimen/item_text_size" android:textColor="#ffffff" android:layout_width="fill_parent" android:layout_height="@dimen/menu_item_height" /> [ 45 ] Chapter 2 Make sure you have some margin between the Button list items so that they're not too close to each other Creating custom adapters When we want to order food, we often want to order more than one of the same item.
D. The object will be injected into a field in the Activity class. 2. What is the "best" way of listening for events in an Android application? a. Declaring the listeners as anonymous inner classes. b. Create a separate event listener class for each Activity. c. Implement the event-listening interfaces in the Activity class. 3. Why do you pass this Activity into the constructors of View objects (that is, new Button(this)). a. It defines the Activity screen they will be displayed on. b. It's where event messages will be sent to.
Android User Interface Development: Beginner's Guide by Jason Morris