Roboter-Baukasten - Borzechowski · •ADT – Android Developer Tools Emulator Device Screen...

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Roboter-Baukasten Einführung in Android Manfred Borzechowski LambdaLogic Informationssysteme GmbH

Transcript of Roboter-Baukasten - Borzechowski · •ADT – Android Developer Tools Emulator Device Screen...

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Roboter-BaukastenEinführung in Android

Manfred BorzechowskiLambdaLogic Informationssysteme GmbH

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Wir gratulieren Ihnen, daß Sie sich für einen Android-Baukasten entschieden haben

• Volle Java-Sprachunterstützung

• Reichhaltiges API

• Breite Geräteauswahl

• Vielfältige Möglichkeiten• Organizer, Social, Player, Recorder, Navigation, Spiele,

Barcode Scanner, Stimmgerät, Taschenlampe, u.v.a.m.

• Ideal für die Realisierung eigener Ideen

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Verhaltensmaßregeln

• Vermeiden Sie unnötige Instanziierungen• Heap für Ihre Prozesse begrenzt• Garbage Collection langsam

• Vermeiden Sie häufige Schreibvorgänge• Unperformant wegen Flash-basiertem Speicher

• Vermeiden Sie Blockierung des UI-Threads• „Die Anwendung reagiert nicht“

• Vermeiden Sie häufige Netzwerkzugriffe über den Mobilfunkbetreiber• Verbraucht hohe Akku-Leistung

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Der Baukasten

LaufzeitumgebungActivity

ResourcenR

ViewAndroidManifest.xml

PlatformIDE

Java JDK

DeviceBroadcast ReceiverServiceContentProviderEmulatorADTAVDSDK

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Die Bodenplatte: Ein Java JDK

• Haushaltsübliche Version• (nicht mitgeliefert)

• Nur für IDE und SDK

• Android bringt sein eigenes „Java“ mit• Eigene Laufzeitklassen und Dalvik VM

Java JDK

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Das Android SDK

• Bezugsquellehttp://developer.android.com/sdk/• Bei Bestellung angeben ob für

Windows, Mac OS X, Linux

• Bestandteile kontrollieren• Tools• SDK Manager• AVD Manager

Java JDKSDKSDK Manager AVD Managertools

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Der SDK Manager

• Installieren und aktualisieren von

• Platformen und -Tools• Dokumentation• Quellen• Ergänzende Bibliotheken

platform-<n>

SDKSDK Manager AVD Managertoolsdocs

Java JDK

SDK Manager

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Platform – android.jar

platform-<n> android.jarmaps.jar

SDKSDK Manager AVD Managertoolsdocs

Java JDK

java.awt.font java.beans java.io java.lang java.lang.annotation java.lang.ref java.lang.reflect java.math java.net java.nio.* (5) java.security.* (5) java.security.acl java.sql java.text java.util java.util.concurrent.* (3)java.util.jarjava.util.loggingjava.util.prefsjava.util.regexjava.util.zipjavax.cryptojavax.crypto.interfacesjavax.crypto.specjavax.netjavax.net.ssljavax.security.* (5)javax.sqljavax.xml.* (10)

java.appletjava.awt.* java.lang.instrument java.lang.management java.rmi.* java.util.spi

javax.accessibility javax.activation javax.activity javax.annotation javax.annotation.* javax.imageio.* javax.jws.* javax.lang.* javax.management.*javax.naming.*javax.print.*javax.rmi.* javax.sound.* javax.swing.* javax.tools.*javax.transaction.*javax.xml.soapjavax.xml.stream.*javax.xml.crypto.*javax.xml.ws.*

org.omg.*org.w3c.dom.bootstraporg.w3c.dom.events )

junit.frameworkjunit.runner

javax.microedition.khronos.openglesjavax.microedition.khronos.eglorg.apache.http.* (32)org.json

android.accessibilityserviceandroid.accountsandroid.app.* (3)android.appwidgetandroid.bluetoothandroid.content.* (3)

android.database.* (2)android.gestureandroid.graphics.* (3)android.hardwareandroid.inputmethodserviceandroid.locationandroid.mediaandroid.net.* (3)android.openglandroid.osandroid.preferenceandroid.providerandroid.saxandroid.service.wallpaperandroid.speechandroid.speech.ttsandroid.telephony.* (3)android.test.* (3)

android.text.* (5)android.utilandroid.view.* (4)android.webkitandroid.widget

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Der AVD Manager

• Erstellen Virtueller Devices

• Images und Konfigurationen

• Varianten von• Bildschirmgröße• Pixeldichte• Hardwareausstattung• Speicherkartengröße und -Inhalt

QVGA 240x320WQVGA400 240x400WQVGA432 240x432HVGA 320x480WVGA800 480x800WVGA854 480x854

SDKSDK Manager AVD Managertoolsdocs

Java JDK

platform-<n> android.jarmaps.jar AVD

WVGA800AVD Manager

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Emulator

• Führt ein AVD aus

• Aber langsam

SDKSDK Manager AVD Managertoolsdocs

Java JDK

platform-<n> android.jarmaps.jar AVD

EmulatorScreen

SD-Card

LAN

(Telefon)

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Mit Smartphone/Tablet entwickeln

• Geeignete USB-Treiber installieren

• Am Gerät• Einstellungen > • Anwendungen > • Entwicklung > • USB-Debugging aktivieren

SDKSDK Manager AVD Managertoolsdocs

Java JDK

platform-<n> android.jarmaps.jar AVD

EmulatorScreen

SD-Card

LAN

(Telefon)

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

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ADB – Android Debug Bridge

• Für Kommunikation mit Emulatoren und echten Geräten• Deviceliste• Logausgaben

• Shell• Dateiaustausch• (De)Installation von Apps

SDKSDK Manager AVD Managertoolsdocs

Java JDK

platform-<n> android.jarmaps.jar AVD

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

adb

logcatshell

EmulatorScreen

SD-Card

LAN

(Telefon)

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IDE – Unterstützung

• Für alle namhaften IDEs• Für Eclipse direkt von Google

• ADT – Android Developer Tools

Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

Java JDKSDK

platform-<n> adb AVDandroid.jar

SDK Manager AVD Managertoolsdocs

maps.jarIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

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Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

Emulator

Die AndroidManifest.xml

• Identifizierung• Package

• Voraussetzungen• Hardware• Berechtigungen• Versionen

• Bestandteile

AndroidManifest.xml uses-sdkrequires-featureuses-permission

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AndroidManifest.xml uses-sdkrequires-featureuses-permission

View• Oberflächen

und -elemente• Layouts• Widgets• CustomViews

• WYSIWYG Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

View

IDE Eclipse + ADT

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Ressourcen

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

View

View

AndroidManifest.xml uses-sdkrequires-featureuses-permission

Activity

ContentView

Event Listener

LifecycleOperations

Bundle

Short Operations

ActionBar

Dialog

Menu

Ressourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

layout

• Arten:• Texte, Bilder,

Layouts, Menüs, Farben, Größen,Animationen

• Varianten:• Sprache, Land,

Auflösung, Größe,Orientierung, Version

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R • Zugriff auf Ressourcen

• Auswahl zur Laufzeit abhängig von Konfiguration

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

View

Ressourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

layout

R

AndroidManifest.xml uses-sdkrequires-featureuses-permission

Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

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Activity

Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

Activity

ContentView

Event Listener

LifecycleOperations

Bundle

Short Operations

ActionBar

Dialog

Menu

View

onClick

onCreate

Launcher

AndroidManifest.xml uses-sdkrequires-featureuses-permission

Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

• Für User Interfaceverantwortlich

• Was ist zu sehen?• Content View• Action Bar?

• Was geschieht bei Events?• Nichts Blockierendes

• Warum bin ich so kurzlebig

RRessourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

layout

sichtbar

aktiv

onCreate

onStart

onResume

onPause

onStop

onDestroy

onRestart

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Service

AndroidManifest.xml uses-sdkrequires-featureuses-permission

Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

RRessourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

layout

View

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

Activity

ContentView

Event Listener

LifecycleOperations

Bundle

Short Operations

ActionBar

Dialog

Menu

• Hintegrundoperationen• Startbar von User oder

bei Systemereignissen

• Öffentliche Dienste• AIDL• Aufrufbar von anderen Prozessen

Service AIDLLong Operations

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Service AIDLLong Operations

Activity

ContentView

Adapter

Event Listener

LifecycleOperations

Bundle

Short Operations

ActionBar

Dialog

Menu

AndroidManifest.xml uses-sdkrequires-featureuses-permission

Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

RRessourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

layout

View

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

AIDLLong Operations AIDLLong Operations

Intent

Laufzeitumgebung App

• Nachricht zum Start einer Activity oder Service• Dedizierte Klasse• Standard-Action und Uri

• Objekt oder Content Ressource• Wird von Laufzeitumgebung aufgelöst

• Custom Action mit Extra-Daten

Intent

Action Scheme Startet Activity für

Intent.ACTION_DIAL tel: Telefon

Intent.ACTION_VIEW http: Internet

Intent.ACTION_SENDTO mailto: Email

Intent.ACTION_VIEW geo: Map

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AndroidManifest.xml uses-sdkrequires-featureuses-permission

Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

RRessourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

layout

View

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

Activity

ContentView

Event Listener

LifecycleOperations

Bundle

Short Operations

ActionBar

Dialog

Menu

• Erhalten Nachricht beiSystemereignissen

• Boot completed• SMS received• WiFi connected• Battery low

• Können Services starten

Broadcast Receiver

Service AIDLLong Operations

Broadcast Receiver

Laufzeitumgebung

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Laufzeitumgebung

Widget

AndroidManifest.xml uses-sdkrequires-featureuses-permission

Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

RRessourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

layout

View

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

Activity

ContentView

Event Listener

LifecycleOperations

Bundle

Short Operations

ActionBar

Dialog

Menu• Injizieren RemoteView in Oberfläche

• Periodischaktualisierbar

• Broadcast• Alarm

Broadcast ReceiverWidget

onUpdate

AlarmManager

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Laufzeitumgebung

Activity

ContentView

Broadcast ReceiverWidget

ListActivity

Adapter

AlarmManager

Event Listener

LifecycleOperations

android.R

Bundle

Service AIDLLong Operations

App

Short Operations

ActionBar

Notifications

Dialog

Menu

AndroidManifest.xml uses-sdkrequires-featureuses-permission

Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

RRessourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

layout

View

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

Content Provider• Bereitstellung von Daten

• Adressierung durch Uri

• Auslesen durch Projektionen

ContentProvider

Uri CRUD Operations

SQLite

Content

…com.android.bluetooth.opp.BluetoothOppProvidercom.android.browser.BrowserProvidercom.android.htmlviewer.FileContentProvidercom.android.providers.applications.ApplicationsProvidercom.android.providers.calendar.CalendarProvider2com.android.providers.contacts.HtcContactsProvider2com.android.providers.contacts.SocialProvidercom.android.providers.downloads.DownloadProvider...

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Laufzeitumgebungandroid.R

Activity

ContentView

ContentProvider

Broadcast ReceiverWidget

Uri CRUD Operations

AlarmManager

Event Listener

LifecycleOperations

Bundle

Service AIDLLong Operations

App

Short Operations

ActionBar

Notifications

Dialog

Menu

AndroidManifest.xml uses-sdkrequires-featureuses-permission

Emulator

DeviceScreen

Sensoren

SD-Card

WLAN

GPS

Camera

Telefon

Screen

SD-Card

LAN

(Telefon)

RRessourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

layout

View

Java JDKSDK

platform-<n> adb AVDIDE Eclipse + ADT

IntelliJ IDEA

NetBeans

android.jar

SDK Manager AVD Managertoolsdocs

maps.jar

SQLite

• Adapter verbindet• Views eines Teil-Layouts• Projektion eines Cursors

• Custom oder android.R

ListActivity

Adapter

ListActivity

layout

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Java JDKSDK

platform-<n> adb AVD

Emulator

Device

AndroidManifest.xml uses-sdkrequires-feature

IDE Eclipse + ADT

IntelliJ IDEA

NetBeans

Ressourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

RActivity

ContentView

ContentProvider

Screen

Sensoren

SD-Card

Broadcast ReceiverWidget

Laufzeitumgebung

ListActivity

Adapter

WLAN

Uri CRUD Operations

AlarmManager

GPS

Camera

Telefon

Screen

SD-Card

LAN

uses-permission

(Telefon)

Event Listener

LifecycleOperations

layout

android.jar

android.R

Bundle

Service AIDLLong Operations

Vie

w

App

Short Operations

ActionBar

Notifications

Dialog

Menu

SDK Manager AVD Managertoolsdocs

maps.jar

SQLite

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Laufzeitumgebung

Java JDKSDK

platform-<n> adb AVD

Emulator

Device

AndroidManifest.xml uses-sdkrequires-feature

IDE Eclipse + ADT

IntelliJ IDEA

NetBeans

Ressourcen

layout-land

animxml

drawable-mdpidrawable-hdpi

drawable

values-envalues

menu

RActivity

ContentView

ContentProvider

Screen

Sensoren

SD-Card

Broadcast ReceiverWidget

Service

ListActivity

Adapter

WLAN

Uri CRUD Operations

AIDL

AlarmManager

GPS

Camera

Telefon

Screen

SD-Card

LAN

uses-permission

(Telefon)

Event Listener

LifecycleOperations

layout

android.jar

android.R

Bundle

Long Operations

Vie

w

App

Short Operations

ActionBar

Notifications

Dialog

Menu

SDK Manager AVD Managertoolsdocs

maps.jar

SQLite

logcatshell

Launcher

onCreate

onClickonClick

onUpdate

WVGA800

Intent

Content

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Vielen Dank!

Manfred BorzechowskiLambdaLogic Informationssysteme GmbH