More Android UIs

Jul 30, 2015Download as PPTX, PDF0 likes719 views

This document provides information about using lists and fragments in Android user interfaces. It discusses using a ListView component to display vertically scrolling lists of customizable items. It describes how to set list items with an ArrayAdapter and add click listeners. It also covers adding and replacing fragments with FragmentTransactions, and using a DrawerLayout component to implement navigation drawers that can be pulled out from the edge of the screen.

List
● To show items in vertical
scrolling list
● Use ListView component
● Item format can be
customized, and most of
apps are doing this way.

ListView
● Add ListView component
● Default list only contains string
● Item format can be customized,
and most of apps are doing this
way.

ArrayAdapter
● Set list items threw ArrayAdapter.
● android.R.layout.simple_list_item_1 -> Default list format provided by Android

ListView
● setOnItemClickListener -> Set onItemClickListener for list items
● ...ClickListener -> Usually used to get response after click certain item

Fragment
● Piece of an application's user interface that can be placed in an Activity.
● Single Acvitity contains single/multiple fragment, and each of it can be used
like Activity
● Used for dynamic & multi-pane UI

Start Fragment
● onCreateView -> Creating view layout of fragment
● inflate.inflate? -> Create View instance with defined resource
o In this case, set View with R.layout.fragment_main resource file

Start Fragment
● FragmentManager -> Interface for interacting with Fragment
● FragmentTransaction -> Add a fragment to the activity state
o In code above, use FragmentTransaction.replace to input layout to target
fragment

Start Fragment
● Try this~
● Refer:
http://examples.javacodeg
eeks.com/android/core/app
/fragment/android-
fragments-example/

DrawerLayout
● Container for window content that allows for interactive "drawer" views to be
pulled out from the edge of the window.

DrawerLayout
● FrameLayout: Layout for
setting main view
● ListView: List which will be
setting on drawer
● DrawerLayout is included on
Android v4 Support Library
package
● For more, look on
http://developer.android.com
/tools/support-
library/features.html#v4

DrawerLayout - onCreate
● Set default fragment on onCreate
● DrawerLayout.setDrawerListener: Set event action on drawer
● Change fragment when list item on list view has been clicked, and close with
DrawerLayout.closeDrawer

This document provides instructions for creating a basic ToDo list Android application from scratch. It describes creating an Android project called ToDoList, modifying the main layout file to include an EditText, Button, and ListView within a LinearLayout, and giving each widget an ID. It then explains getting references to these widgets in the main activity class, creating an ArrayList to store todo items and an ArrayAdapter to bind the list to the ListView. Finally, it details adding an onClickListener to the button to add new items to the ArrayList and notify the adapter of changes. Running the application should display an editable todo list.

Infinum Android Talks #09 - UI optimization Infinum

Android UI Tips, Tricks and TechniquesMarakana Inc.

Learn hot techniques for developing more effective user interfaces in your Android applications from Android UI Toolkit engineers Romain Guy and Chet Haase. Romain and Chet will dive into some code examples, demo some handy tools, and show you how to optimize your UI for performance while making it look great. Didn't make it to Devoxx 2K10? Well, find out what you might have missed, as this is the same presentation Romain and Chet delivered at Devoxx. A few topics covered in this talk include: - Trash Talk: avoiding garbage creation when necessary and possible - Tools: Allocation Tracking, DDMS, Heap Analysis Tool (hat), etc. - A few tips on avoiding memory leaks - ViewStub, ListView and compound drawables - Graphics optimization techniques

Tech Talk #2: Android app performance tipsNexus FrontierTech

Recyclerview in action Pratama Nur Wijaya

The document provides an overview of RecyclerView in Android, including: 1. RecyclerView components like LayoutManager, Adapter, ItemDecoration, and ItemAnimator and examples of how to set them up. 2. How to create ViewHolders and Adapters to display data in RecyclerView. 3. Techniques for handling click listeners and displaying multiple view types. 4. Examples of using item decorations and animators. 5. Recommended resources for further learning about RecyclerView.

Write cleaner, maintainable, and testable code in Android with MVVMAdil Mughal

Mastering RecyclerView LayoutsDave Smith

This document provides an overview of how to build custom layout managers for RecyclerView. It discusses the key components like the LayoutManager, Adapter and techniques like fill to layout views in gaps. It then outlines 4 levels of implementation from making a basic layout manager work to more advanced features like predictive item animations and smooth scrolling. Resources for learning more about building custom RecyclerView layouts are also provided.

Effective Android UI - EnglishPedro Vicente Gómez Sánchez

This document is a presentation about effective Android UI design. It discusses using resources and qualifiers to support different device configurations. It also covers implementing custom views, the Model-View-Presenter and Model-View-ViewModel patterns for separating business logic and UI code. The presentation compares MVP and MVVM, provides examples from github projects, and gives advice on writing performant and maintainable Android UI code.

Lesson 4CITSimon

This document provides an overview of fragments and multiple layouts in Android app development. It discusses using string resources, introducing fragments, creating and adding fragments, and the fragment lifecycle. It explains that fragments allow dividing the screen into independent sections that can be reused across activities. The document demonstrates creating a main fragment class and layout, and adding the fragment to an activity's layout. It also discusses using different layouts for different screen sizes and orientations through configuration qualifiers.

List ViewsAhsanul Karim

This document discusses ListViews and ListActivities in Android application development. It covers: - ListViews display scrollable lists via an Adapter that provides data and converts it to list fields. Standard adapters include ArrayAdapter and CursorAdapter. - ListActivities simplify handling lists by extending the Activity class and providing list management methods like setListAdapter() and onListItemClick(). - Adapters can use default or custom layouts and the ListView recycles views for performance. Interacting with the underlying data model is also demonstrated.

Lesson 3CITSimon

Android UI Fundamentals part 1Marcos Paulo Souza Damasceno

Android training day 2Vivek Bhusal

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Antroji mokymų ciklo paskaita apie „Android“ operacinę sistemą, kurįa dėstė UAB „App Camp“ techninis projektų vadovas Vykintas Valkaitis. Paskaitos temos: 1. Pagrindiniai Android programos komponentai: - Activity - Service - Content Providers - Broadcast receiver - Fragment 2. UI koponentai: - Linear/Relative Layout - List View - Grid View - Button - Text View - Checkbox / Radio Button / Toggle Button 3. Drawables: - Paveiksliukai - 9 patch Image - State drawable - Animacija 4. Dialogai ir Toast 5. Stiliai ir temos 6. Duomenų saugojimas: - Shared Preferences - Internal Storage - External Storage - SQLite Database - Network Connection

Android Training Session 1Shanmugapriya D

Android session 2Ahesanali Suthar

This document provides an overview of an Android application development session that covers the Android framework, Android layouts, and basic UI widgets. The session will discuss the main components of the Android framework - activities, services, broadcast receivers, and content providers. It will explain how to design screens using linear, relative and list views in Android layouts. It will also demonstrate how to add basic widgets like text boxes, buttons, checkboxes and radio buttons to a user interface. Code examples are provided to illustrate how to set up activities, initialize views, and retrieve widget values.

Android Homescreen Widgets DemystifiedPearl Chen

This document provides an overview of how to create homescreen widgets for Android. It discusses key reasons for building widgets like providing at-a-glance information or controlling apps. It then outlines the major steps to develop a widget, including creating an AppWidgetProvider class that extends BroadcastReceiver, declaring metadata in AppWidgetProviderInfo, designing an XML layout, and updating the manifest. Code examples are provided for tasks like updating the widget remotely using RemoteViews.

Lecture-10-Menus.pdf of Mobile Application DevelopmentMuhammadUsman359023

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Android development - Activities, Views & IntentsLope Emano

Activities provide screens for user interaction and have lifecycles to manage memory. The lifecycle involves states like active, paused, stopped which trigger callbacks like onCreate(), onStart(), onPause(). Views are UI components like TextView and occupy a rectangular area, with attributes like width, height. ViewGroups arrange views and include LinearLayout and RelativeLayout. Input events like clicks are handled via listeners. Intents launch other activities by specifying the class and optional data.

Android componentsNAVEENA ESWARAN

Chapt 04 user interactionEdi Faizal

The document discusses various types of user input events and gestures in Android, including: - Basic input events like key events, touch events, and focus changes. - Common gestures like click, long click, scroll, and how to detect them using classes like GestureDetector and OnGestureListener. - More advanced gestures involving multiple touches like pinch to zoom, which can be detected using ScaleGestureDetector. - Drag and drop functionality, how it works, and the workflow involving OnDragListeners. - How to handle menu creation and selection via XML menu resources and Java code overrides. So in summary, it provides an overview of handling different types of user input and gestures

Introduction to Andriod Studio Lecture note: Android Development Lecture 1.pdfAliyuIshaq2

Fragment nationalmobileapps

Fragments allow modularization of activities on larger screens like tablets. A fragment represents a behavior or UI portion and has its own lifecycle callbacks. Fragments can be placed in an activity layout via XML or added dynamically in code. Multiple fragments can be combined in a single activity to build a multi-pane UI. The activity lifecycle influences fragments, and fragments can be retained across configuration changes using setRetainInstance(true).

01 10 - graphical user interface - othersSiva Kumar reddy Vasipally

This document discusses various graphical user interface components in Android, including menus, selection widgets, and galleries. It provides examples and explanations of option menus, context menus, arrays adapters, spinners, grid views, auto complete text views, and gallery widgets. Key selection widgets covered are radio buttons, check boxes, lists, drop downs, and pictures. Examples demonstrate how to create menus and selection widgets in Android apps and handle user interactions with them.

Spinners, Adapters & Fragment CommunicationCITSimon

11.11.2020 - Unit 5-3 ACTIVITY, MENU AND SQLITE DATABASE.pptxMugiiiReee

This document provides information about activities, menus, intents, services, broadcast receivers and SQLite database in Android. It discusses the activity lifecycle and different types of activities. It explains the concept of intents and how they are used to start activities, services and broadcast receivers. It covers the different types of menus like option menu, context menu and popup menu. It discusses services, their types and lifecycle. It provides details about broadcast receivers, how they receive and respond to broadcast messages. It also gives an overview of SQLite database and how it is used in Android applications for data storage.

Android App To Display Employee DetailsSaikrishna Tanguturu

This document provides details on the development of an Android application to display employee details. It consists of 11 pages describing the steps taken to build the app, including: setting up the basic layout; working with lists and a SQLite database; passing information between activities using intents; interacting with phone capabilities like calling and texting; and navigating the organizational chart. Code snippets are provided for key Java classes and XML layout files involved in implementing the various features at each step. The roles of team members are also listed.

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