Android introduction with_LinkBudget_implementation

Android Introduction
with LinkBudget
Implementation
TCHsu 9/29/2014

Agenda
● Android Basic Concept
● App Development
● LinkBudget Design

What is Android?
Android is an open source and Linux-based Operating
System for mobile devices.
Android was developed by the Open Handset
Alliance(OHA), led by Google, and other companies.
Android 1.0 Beta Release － 2007/11/5

Features of Android
● Connectivity: support all most kind of wireless module.
● Storage: SQLite, a lightweight relational database.
● Media support: support almost all kind of media JPEG, MPEG, Video.
● Messaging: SMS and MMS.
● Web browser: Based on the open-source WebKit layout engine, support
Chrome's V8 JavaScript, HTML5 and CSS3.
● Multi-touch: Support all most kinds of muli-touch screens.
● Multi-tasking: Support all most kinds of multi-tasking application.
● Hardware support: Camera, GPS, Bluetooth, Accelerometer sensor, digital
compass.

Architecture of Android
Android is built in Linux kernel.
It does not include full set of
standard Linux utilities

These contain all the code that
provides the main features of an
Android OS.

At the same layer as the libraries,
the Android runtime provides a
set of core libraries that enable
developers to write Android apps
using the Java programming
languaage.

Exposes the various capabilities of
the Android OS to appl icat ion
developers so that they can make
use of them in their applications.

Applaction that ship with the Android
device (such as Phone, Contacts,
B r o ws e r , e t c . ) , a s we l l a s
applications that you download and
install from the Android Market.

Development Environment
● Requirement:
o Java JDK
o SDK Tool (Software Development Kit)
● IDE:
o Eclipse with ADT Plugin (Android Development Tools)
o Android Studio
● Debug:
o AVD (Android Virtual Device)
o adb (Android Debug Bridge)
o DDMS (Dalvik Debug Monitor Server)
o LogCat in Eclipse

App Components
Basic Components
● Activities
● Services
● Broadcast Receivers
● Content Providers
Additional Components
● Fragments
● Views
● Layouts
● Resources
● Manifest

App Components
Basic Components
● Activities
● Services
● Broadcast Receivers
● Content Providers
Additional Components
● Fragments
● Views
● Layouts
● Resources
● Manifest
public class MainActivity extends Activity {}

Directory Structure
src
● .java sources of the project
gen
● R file, a compiler-generated file that
references all the resources found in
project
bin
● Android package f i les .apk and
everything else needed to run an
Android application.

Directory Structure
res/drawable-hdpi
● A directory for drawable objects that are
designed for high-density screens.
res/layout
● A directory for files that define app's
user interface.
res/values
● A directory for other various XML files
that contain a collection of resources,
such as strings and colors definitions.

Directory Structure
AndroidManifest.xml
● The manifest file which describes the
fundamental characteristics of the app
and defines each of its components.
assets
● A directory provide a way to include
arbitrary files like text, xml, fonts, music,
and video in your application.

Android UI Layout
Layout Types
● Linear Layout
● Relative Layout
● Table Layout
● Absolute Layout
● Frame Layout
● List View
● Grid View

Android Storage Options
● Shared Preferences
○ Store private primitive data in key-value pairs.
● Internal Storage
○ Store private data on the device memory.
● External Storage
○ Store public data on the shared external storage.
● SQLite Databases
○ Store structured data in a private database.
● Network Connection
○ Store data on the web with your own network server.

LinkBudget Purpose
RSL
Rain Fading
Fresnel Zone

LinkBudget Requirement
RSL
● RSL (good weather)
● Rain Fading
● RSL (rain)
● Threshold
● Throughput
● Antenna Gain
Standard (ETSI/ANSI)
Module (100G/100S)
Frequency
Modulation
Channel Bandwidth
Tx power
Distance
Path Elevation
Rain Rate

RSL
● Rain Fading
● RSL (rain)
● Threshold
● Throughput
● Antenna Gain
Module (100G/100S)
Frequency
Polarization (Vert./Horz./Circ.)
Method (Formula dia./DB dia./dBi)

RSL
● Rain Fading
● RSL (rain)
● Threshold
● Throughput
● Antenna Gain
Module (100G/100S)
Frequency
Modulation
Channel Bandwidth

Rain Fading
● Max. Trans. distance
● Max. Rain Fading
(Dist. Unkown)
● Threshold
● Throughput
● Antenna Gain
Module (100G/100S)
Frequency
Modulation
Channel Bandwidth
Tx power
Path Elevation
Rain Rate
Altitute of SiteA/SiteB
Height of SiteA/SiteB Antenna

Rain Fading
● Rain Fading
● RSL (rain)
● Threshold
● Throughput
● Antenna Gain
Module (100G/100S)
Frequency
Polarization (Vert./Horz./Circ.)
Method (Formula dia./DB dia./dBi)

Rain Fading
● Rain Fading
● RSL (rain)
● Threshold
● Throughput
● Antenna Gain
Module (100G/100S)
Frequency
Modulation
Channel Bandwidth

Fresnel Zone
● Max. Fresnel Zone
diameter
● Fresnel Zone diameter at
dist. A (any point)
Module (100G/100S)
Frequency
Link Distance
Dist. A from SiteA (Tx)
Dist. B from SiteB (Rx)

Settings
● Preference
o ListPreference
o EditTextPreference
o CheckBoxPreference
● Data Type
o Boolean
o Float
o Int
o Long
o String

Settings
● Setting Groups
o Using titles
(category)
o Using subscreens

LinkBudget-Config (GUI)
res/xml/at_config.xml

LinkBudget-Config (Src.)
Add Application Nodes:
AndroidManifest.xml
Add View (xml):

Config Finish?
But the Config Activity is Ready
Now :)

Action Bar
Action Bar
src/MainActivity.java

Adding Action Items-Menu

Swipe Views with Tabs
Implement Swipe Views
res/layout/main.xml

res/layout/main.xml

src/library/AppSectionsPagerAdapter.java
position id:0

Create View and Fragment
src/RSL.java

Add Tabs to the Action Bar

GUI Layout - RSL
res/layout/rsl.xml

LinkBudget Design
View Design Function Block Diagram

Android introduction with_LinkBudget_implementation

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Editor's Notes