thuc_hanh_android_2013.pdf

Lp trnh cho thit b di ng

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Khi: i Hc

Nm 2013

Hng dn:

Bi tp thc hnh c chia theo Module

Mi Module c thit k cho thi lng l 312 tit thc hnh ti lp vi

s hng dn ca ging vin.

Ty theo s tit phn b, mi tun hc c th thc hin nhiu Module.

Sinh vin phi lm tt c cc bi tp trong cc Module tun tng ng.

Nhng sinh vin cha han tt phn bi tp ti lp c trch nhim t lm

tip tc nh.

Cc bi c du (*) l cc bi tp nng cao dnh cho sinh vin kh gii.

Bin son: GV Trn Duy Thanh


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MC LC

Module 1: Gii thiu mi trng pht trin in thoi di ng.................................. 3

Module 2: X l giao din ngi dng ....................................................................... 13

Module 3: X l tp tin, lu trng thi, CSDL, Content Provider ........................... 40

Module 4: X l a tin trnh v dch v .................................................................... 49

Module 5: Networking APIs v Multimedia APIs ..................................................... 62

Module 6: Telephony APIs v Location Base Service APIs ...................................... 70

Module 7: Thao tc vi thit b cm ng .................................................................... 74

Module 8: Danh sch ti mn hc .......................................................................... 77


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Module 1: Gii thiu mi trng pht trin in thoi di ng

Ni dung kin thc thc hnh:

- Lm quen vi mi trng pht trin in thoi di ng

- S dng Eclipse, DDMS cch thc Debug

- Cch ci t Android SDK, Update Android API, Upgrade Firmware

- S dng Android Virtual Device

- Tm hiu cc thnh phn trong Android App

- Tm hiu cc n v o lng trong Android

- Tm hiu vng i ca ng dng

- Tm hiu Google Play

Bi tp 1: Mc ch:

- Ci t c Java JDK, Android SDK, ADT plugin for Eclipse, update Android SDK.

Yu cu: - Ti v ci t Java JDK: http://java.sun.com/javase/downloads/index.jsp

- Ti v ci t Android SDK: http://developer.android.com/sdk/index.html , ti gi ADT

Bundle for Windows, gi ny s cha cc thnh phn:

o Eclipse + ADT plugin

o Android SDK Tools

o Android Platform tools

o Android API mi nht

o Android system image mi nht cho Emulator

- Cp nht ADT plugin mi nht cho Eclipse:

1. Vo menu Help / chn Install New Software

2. Nhp ng dn: https://dl-ssl.google.com/android/eclipse/ v bm nt Add gc

bn phi

3. Chn cc thng s thch hp tin hnh cp nht.

- Cp nht Android SDK

- Tham chiu Android SDK

Hng dn: - Sau khi cu hnh thnh cng v khi ng Eclipse th ta s c mn hnh nh di y:


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- ng mn hnh Welcome bng cch click vo du cho k bn ch Android IDE

- tham chiu ti Android SDK, ta vo menu Windows/ Preferences/ chn Android vo

Browse ti SDK location m bn lu tr:

- cp nht Android SDK, ta vo menu Windows/ Android SDK Manager (hoc bm

vo biu tng trn thanh toolbar), chn cc gi cn cp nht v bm Install packages:


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Bi tp 2:

Mc ch: - To v thao tc c vi Android Virtual Device

- S dng c DDMS

- Cu hnh thit b debug

Yu cu: - To Android Virtual Device:

o t tn cho thit b

o Chn loi thit b

o Chn Target API

o Cu hnh Keyboard, Skin, Camera

o Thit lp internal storage

o Thit lp SD Card

o Chc nng Snapshot

- Khi ng AVD va mi to, tin hnh thc hin: quan st v th nghim cc chc nng

bn trong AVD, thit lp USB Debugging

- Thao tc trn DDMS:

o Kim tra cu trc th mc, ko th mt s tp tin vo AVD v quan st hin tng

o Thc hin unmount v Mount SD Card

o Thc hin chc nng Gi in v gi tin nhn trong Emulator Control

Hng dn: - T menu Windows/ chn Android Virtual Device Manager:

- Ti mn hnh ny chn nt New


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- Chn cc thng s k thut cn thit v bm OK - Mun khi ng AVD no th click chn AVD v bm nt Start, quan st:


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Bi tp 3: Mc ch:

- Dalvik Virtual machine

- Hiu c cc thnh phn bn trong ng dng Android:

o Cch to Android Project

o Activity, Intent, View

o Auto gen

o Android libs

o Resource

o Layout, menu, values

o Manifest XML

Yu cu:

- To mt Android Project, ng dng n gin ch xut hin dng ch Hello World!

- Kim tra tt c cu trc th mc ca ng dng, cho nhn xt

- Chy ng dng ny trn Emulator/ trn in thoi tht c h iu hnh Android.

- Gii thch c ch m Android Project c thc hin trn thit b nh th no: cch thc

bin dch, cch thc ng gi, cch thc upload ci t vo thit b

- Tin hnh xa th mc Auto gen (gen), quan st hin tng

- Vo menu Project/ chn Clean, chn Build automatically, quan st hin tng

- Bm chut phi vo Project/ chn Build Path/ configure build Path, quan st mn hnh

- Bm chut phi vo Project/ chn Android Tools/ quan st chc nng Fix project

Properties v cc chc nng khc

- Tin hnh Uninstall ng dng ra khi my

Hng dn: - to mt Android Project: Vo menu File/ chn new/ chn Android Application

Project - Hoc trong Package Explorer/ bm chut phi/ chn new / chn Android Application

Project - Trong mt s trng hp khng thy Package Explorer (mn hnh chnh lp trnh), ta

vo menu Windows/ chn Show View/ chn Package Explorer - C th hin th Logcat trong Windows/ show view/ logcat quan st thng tin qu trnh

ng dng thc thi


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Bi tp 4: Mc ch:

- Tm hiu vng i ca ng dng Android: cc s kin sy ra theo trnh t nh th no

Yu cu:

- To mt Android Project, t tn l LearnAndroidLifetime

- Trong MainActivity, tin hnh Override cc hm onStart, onResume, onPause, onStop,

onDestroy, onRestart; trong mi hm ny n gin ch s dng Toast hin th tn hm

c thc thi.

- Hy tm cch cho cc hm Override trn sy ra, cho nhn xt.

Hng dn: - Cch s dng Toast:

- chng trnh t thm cc Override method, ta lm nh sau: Bm chut phi vo mn

hnh son tho/ chn Source/ chn Override Implement methods:

- Khi ca s Implement s hin th ln, ta chn cc hm mong mun ri bm nt Ok


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Bi tp 5: Mc ch:

- Hiu c Activity Stack

- Hiu su hn v vng i ca ng dng

- Hiu c Foreground lifetime v Visible lifetime

Yu cu:

- Hiu chnh LearnAndroidLifetime Project trong bi 4

- Trong Project ny to thm 2 Activity ln lt tn l SubActivity1 v SubActivity2

(nh vy Project s c tng cng 3 Activity bao gm 2 ci va to v 1 MainActivity)

- Ch rng cu hnh sao cho SubActivity1 s hin th di dng Dialog (khi

SubActivity1 kch hot th n s nm pha trn MainActivity, nhng m vn nhn thy

mn hnh MainActivity tc l ng thi nhn thy 2 Activity). Cn khi SubActivity2

hin th th n s chim ton b mn hnh, khng th thy c MainActivity.

- Trong MainActivity to 2 Button cho php hin th SubActivity1, v SubActivity2.

Trong mi trng hp hy quan st s kin sy ra trong MainActivity v cho nhn xt

(ch l cc s kin chc chn s sy ra khc nhau trong 2 trng hp ny).

o Foreground Lifetime sy ra t onResume()onPause()

o Visible Lifetime sy ra t onStart()onStop()

Hng dn: - Project s nh hnh sau:

- Cu hnh SubActivity1 hin th di dng Dialog: Trong Manifest XML, thm

android:theme= "@android:style/Theme.Dialog". Ta c th dng GUI trong Eclipse

thay i thng s cho d dng.

- Cch m mt Activity trong Android: y t MainActivity ta m SubActivity1 v

SubActivity2 khi ngi s dng chn Button1, Button2


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- Phng thc findViewById tr v View theo ng Id truyn vo, mi Control trong

Android u k tha t View, y ta p kiu v cho ng kiu Button.

- Dng phng thc startActivity m mt Activity, ch l Activity ny c a vo

mt Intent vi cch khai bo nh trn. - Cch chy SubActivity1 v SubActivity2 l hon ton ging nhau. Ch khc nhau lc

hin th ln mn hnh in thoi (nh gii thch trn). - Ta s hc r hn v Intent trong phn sau, tm thi phn ny cha cn phi hiu su v

n. Ch cn bit rng chy 1 Activity no th phi tin hnh nh vy.


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Bi tp 6: Mc ch:

- Tm hiu Google Play

Yu cu:

- Vo trong https://play.google.com/store tin hnh ng k v upload .apk (c ng ph,

hin ti l 25USD)

- Xem hng dn c th : http://support.google.com/googleplay/android-

developer/answer/113469?hl=en

Hng dn:

Bi tp ny sinh vin no c nhu cu th lm. Khi c ng dng tt mun chia s vi cng ng

th nn lm bi tp ny.


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Bi tp 7 (*): Mc ch:

- Bit c cch Upgrade Firmware cho mt s thit b tht s dng h iu hnh Android.

Yu cu:

- Tm hiu Odin mode

- Mt s trang hu ch : http://androidmuscle.com/how-to-update-your-galaxy-s2-i9100-

to-jelly-bean-4-1-2-xxlsj-firmware-tutorial/

- http://www.theandroidsoul.com/?s=Odin

Hng dn: - Phi kim tra k thng s k thut ca in thoi xem c tng thch hay khng sau

mi tin hnh Upgrade Firmware

- Nu khng c chc chn th ng c thc hin (nht l i vi nhng in thoi mc

tin)

- i khi cc sinh vin phi mo him vi thit b ca mnh khm ph (khuyn khch)


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Module 2: X l giao din ngi dng


- Thc hnh v XML Layout XML Container

- Cc kiu lp trnh s kin trong Android

- Thc hnh v Toast & Alert Dialog

- Thc hnh cc control c bn: View, TextView, EditText, Button, RadioButton,

- Thc hnh cc control nng cao: ListView, GridView, Spinner, Autocomplete, Menu

- Cch to Custom Layout

- Thc hnh v Webkit, Javascript

- Thc hnh v Intent: cch m nhiu mn hnh (Activity) trong Android

- Cch lp trnh chm n im v a im trong Android

- Cch cu hnh a ngn ng trong Android

Bi tp 1: Mc ch:

- To v hiu chnh XML Layout

- S dng XML Layout

Yu cu:

- To mt Android Project

- To thm mt XML Layout (ty ) t tn l new_my_layout.xml

- Ko th mt s control vo layout mi ny: Button, Checkbox, Radio

- Tin hnh thay i layout mi ny qua cc loi: FrameLayout, LinearLayout,

TableLayout, RelativeLayout, AbsoluteLayout, v quan st hin tng

- Trong MainActivity, sa dng lnh setContentView(R.layout.activity_main); thnh

setContentView(R.layout. new_my_layout);

- Chy ng dng ny v cho nhn xt

Hng dn:

- to mt XML Layout: Bm chut phi vo Project/ New/ Android XML File:

o Mn hnh to Android XML File s hin th ln, ti mn hnh ny Resource Type

chn l Layout, phn Root Element chn loi Layout gi s l LinearLayout,

mc File nhp tn l new_my_layout ri bm nt Finish (xem hnh trang bn).


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- thay i Layout ta lm nh sau: trong Graphical Layout/ bm chut phi chn

Change Layout

- Chn loi Layout ri bm nt OK thay i Layout

- xem cu trc XML layout di dng outline: vo meu Windows/ Show View/ Outline


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Bi tp 2: Mc ch:

- Thc hnh v hiu v FrameLayout

Yu cu: - To mt Android Project, chuyn Layout qua loi FrameLayout

- Thm 2 ImageView vo FrameLayout ny

- Chy ng dng ny v cho nhn xt v v tr xut hin ca 2 ImageView trn

Hng dn:

Bi tp 3: Mc ch:

- Thc hnh v hiu v LinearLayout:

o Cch to LinearLayout (vertical, horizontal)

o Orientation

o Fill model

o Weight

o Gravity

o Padding

o Margin

Yu cu: - To Android Project c cc control nh hnh bn di:

- Thay i android:orientation="horizontal" v android:orientation="vertical" quan

st cc control trn giao din sp xp khc nhau.

- Trong mi control thay i android:layout_width v android:layout_height: thit lp

3 thng s (125dip, wrap_content, fill_parent), quan st s thay i

- Thit lp TextView User Name c android:layout_weight="1", EditText thanhtran c

android:layout_weight="2", Button OK c android:layout_weight="1", quan st s

thay i ca cc control trn giao din

- Thit lp thng s android:layout_gravity="right" cho Button OK, quan st s thay i

ca cc control c ging nh mn hnh bn di hay khng:


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- Thit lp thng s android:gravity="right" cho Button OK, quan st s thay i. Hy

cho nhn xt s khc nhau gia layout_gravity v gravity

- Thit lp thng s android:padding="30dip" v android:layout_margin="10dip" cho

EditText, hy cho bit s khc bit gia padding v margin

Hng dn: - thit lp cc thng s cho control trn giao din, ta s dng GUI ca eclipse trong ch

Graphical Layout, hoc chnh sa trc tip trong file XML layout:

Ch Graphical Layout

Ch XML editor


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Bi tp 4: Mc ch:

- Thc hnh v hiu v TableLayout:

o To v s dng c TableLayout

o Hiu c TableRow

o Hiu c android:layout_span

o Hiu c android:column

o Hiu c android:stretchColumns

Yu cu: - To Android Project c kiu layout l TableLayout, thit k cc control trn giao din

ging nh hnh bn di:

- Dng 1 cha TextView Input Catalog (c nn mu vng)

- Dng 2 cha Text View Cate Id v EditText

- Dng 3 cha Text View Cate Name v EditText

- Dng 4 cha Button InsertCate

- Chy ng dng v cho nhn xt.

- Hy gii thch ngha ca android:layout_span, android:layout_column v

android:stretchColumns

- Thm 2 Button na vo dng s 4, chy ng dng v cho nhn xt

Hng dn: - Lm theo outline layout sau:

- Thit lp cc thng s:

o android:stretchColumns="*" cho TableLayout

o android:layout_span="2" cho TextView dng 1

o android:layout_column="1" cho Button dng 4


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Bi tp 5: Mc ch:

- Thc hnh v hiu v RelativeLayout

o To v s dng c RelativeLayout

o Hiu c cc RelativeLayout Parameter android:layout_ : width, height, below,

above, alignTop, alignParentTop, alignBottom, alignParentBottom, toLeftOf,

toRightOf, padding, margin.

Yu cu: - To Android Project c kiu Layout l RelativeLayout, thit kt cc control nh giao

din bn di:

- Sau khi thit k cc control ging nh trn, yu cu thit lp li Id cho EditText

duythanhcse, quan st hin tng sy ra i vi cc control cn li v cho nhn xt; Tm

cch sa li cc parameter gi c giao din thit k ban u.

- Thm 2 Checkbox ln lt c id=chk1, id=chk2. Hai Checkbox ny phi cng nm trn

mt dng v chk1 nm bn tri mn hnh, chk2 nm bn phi mn hnh

Hng dn: - Lm theo outline layout sau:

- Thit lp cc thng s:

o alignParentLeft="true", alignParentTop="true" cho lblusername

o alignParentLeft="true", below="@+id/lblusername" cho editUserName

o alignParentRight="true", below="@+id/editUserName" cho btnOK

o alignBaseline="@+id/btnOK", alignBottom="@+id/btnOK",

toLeftOf="@+id/btnOK" cho btnCancel


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Bi tp 6: Mc ch:

- Thc hnh v hiu v RelativeLayout (tip tc)

Yu cu: - Dng RelativeLayout, thit k giao din nh hnh bn di:

Hng dn:

Bi tp 7: Mc ch:

- Kt hp nhiu loi Layout

Yu cu: - Thit k giao din nh hnh bn di:

Hng dn:


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Bi tp 8: Mc ch:

- Thc hnh v hiu c cc kiu lp trnh s kin trong Android

o Onclick in XML

o Inline anonymous listener

o Activity is listener

o Listener in variable

o Explicit listener class

o View Subclassing

Yu cu: - Thit k giao din nh hnh bn di v thc hin cc yu cu sau:

- Mi ln click chut vo cc Button th s thc hin php ton tng ng: v d khi click

chut vo Tng 2 s th kt qu trn l 113.

- Ring nt Thot chng trnh: cho php ng chng trnh

- Tng 2 s vit theo Onclick In XML

- Hiu 2 s vit theo Inline anonymous listener

- Tch 2 s vit theo Activity is listener

- Thng 2 s vit theo Listener in variable

- c s chung ln nht vit theo Explicit listener class

- V Thot chng trnh vit theo View Subclassing

Hng dn: - ly s a: EditText edita=(EditText)findViewById(R.id.editsoa);

int a=Integer.parseInt(edita.getText()+"");

- thot chng trnh gi hm: finish();


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Bi tp 9: Mc ch:

- Thc hnh v cc kiu lp trnh s kin trong Android (tip tc)

- Cng c thm k thut lp trnh s kin trong Android

Yu cu: - Vit chng trnh chuyn i nhit CF. Thit k giao din v thc hin cc yu cu

nh bn di:

- Khi bm Convert To Celsius s chuyn i t FC

- Khi bm Convert To Fahrenheit s chuyn i t CF

- Khi bm nt Clear s xa trng ton b d liu trong EditText

Hng dn: - Kt hp LinearLayout vertical v LinearLayout horizontal thit k giao din trn

- Chn kiu lp trnh s kin ty thch

- Cng thc:

V d:

Chuyn t 37C ti F : 37C x 9/5 + 32 = 98.6F

Chuyn t 98.6F ti C : (98.6F - 32) x 5/9 = 37C


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Bi tp 10 (*): Mc ch:

- Thc hnh v cc kiu lp trnh s kin trong Android (tip tc)

- Cng c thm k thut lp trnh s kin trong Android

- Cng c li Layout

Yu cu: - Vit chng trnh my tnh b ti n gin, kt hp mt s kiu Layout thit k giao

din nh hnh bn di:

- Chng trnh ch cn thc hin php ton n (cha cn lng php ton)

- Bm Delete : xa d liu hin hu trn EditText trn cng

- Bm vo cc con shin th ln EditText

- Bm vo php ton: +, -, *, / hin th ln EditText

- Bm tip cc con s hin th ln EditText

- Bm du = thc hin php ton

Hng dn: - Kt hp TableLayout v LinearLayout (hoc ty thch)

- Cc trn mn hnh chnh l cc Button, ch l thay i mu nn v mu ch.

- Khuyn khch cc sinh vin kh gii hon thnh y chc nng ca ng dng ny


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Bi tp 11: Mc ch:

- Thc hnh v hiu c Toast Notification

Yu cu: - Vit ng dng Android kim tra Toast notification

- Gii thch trong i s u tin ca Toast.makeText khi th s dng MainActivity.this,

khi ch s dng this khng?

Hng dn: - Toast toast=Toast.makeText(MainActivity.this, "Hello Toast!",

Toast.LENGTH_SHORT) .show();

- Toast.LENGTH_SHORT hin th 2 giy, Toast.LENGTH_LONG hin th 3.5 giy

Bi tp 12: Mc ch:

- Thc hnh v hiu c Alert Dialog

Yu cu: - Vit chng trnh vi giao din nh hnh bn di v thc hin cc chc nng:

- Khi ngi s dng bm nt ng nhp:

o Nu ngi s dng checked vo Lu thng tin th Toast thng bo l cho mng

bn ng nhp h thng, bn lu thng tin

o Nu ngi s dng unchecked vo Lu thng tin th Toast thng bo l cho

mng bn ng nhp h thng, bn khng lu thng tin

- Khi ngi s dng bm nt Thot, chng trnh s hin th Aler Dialog nh bn di,

chn Yes s ng ng dng.

Hng dn:

- Xem trong slide bi ging (Slide 62 x l giao din ngi dng)


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Bi tp 13: Mc ch:

- Thc hnh v hiu c cc Control c bn trong Android:

o TextView, EditText, Button

Yu cu: - Vit chng trnh i nm Dng lch qua nm m lch:

- EditText nm dng lch ch c nhp s >=1900

- Khi bm nt Chuyn i, chng trnh s chuyn t nm dng lch qua nm m lch,

kt qu s c hin th vo TextView mu vng.

Hng dn: Nm m = Can + Chi; Can = Nm dng % 10 :

Chi = Nm dng % 12 :

String can,chi;

switch(namduong%10){

//ly can trong ny da vo bng s 1

}

switch(namduong%12){

//ly chi trong ny da vo bng s 2

}

Ghp can v chi ta c nm m lch


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Bi tp 14: Mc ch:


o TextView, EditText, Button, Checkbox, RadioButton

Yu cu: - Thit k giao din nh hnh bn di v thc hin cc chc nng:

- Tn ngi khng c trng v phi c t nht 3 k t

- Chng minh nhn dn ch c nhp kiu s v phi c ng 9 ch s

- Bng cp mc nh s chn l i hc

- S thch phi chn t nht 1 chn la

- Thng tin b sung c th trng

- Khi bm gi thng tin, chng trnh s hin th ton b thng tin c nhn cho ngi s

dng bit (dng Alert Dialog):

Hng dn: - Dng RadioGroup x l bng cp.

- Dng isChecked() kim tra RadioButton v CheckBox c c checked hay khng.

- Chi tit xem slide 69, 72 phn X l giao din ngi dng.


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Bi tp 15: Mc ch:


o TextView, EditText, Button, Checkbox, RadioButton, Image, ScrollView

Yu cu: - Vit chng trnh tnh tin bn sch online, thit k giao din nh hnh bn di v thc

hin cc chc nng theo yu cu (ch dng Scroll View v giao din c kch thc di

hn chiu cao ca mn hnh):

Dng chc nng ScrollView ln pha trn thy thm c dng tiu b che khut nh bn di:

- Yu cu thc hin:

o Khi bm nt Tnh Thnh Tin (Tnh TT) chng trnh s tnh thnh tin bit rng

mi cun sch c n gi l 20000, nu l khch hng VIP th gim 10%

o Khi bm nt Tip, chng trnh s lu thng tin ha n va tnh Thnh Tin vo

danh sch, ng thi xa trng d liu trong ha n v cho focus ti EditText

Tn khch hng

o Khi bm nt Thng k, chng trnh s hin th thng tin vo mc Thng tin

thng k: tng s KH, tng s KH VIP v tng doanh thu

o Khi bm vo nt thot (dng ImageButton): hin th AlertDialog hi xem ngi

s dng c chc chn mun thot hay khng?

Hng dn: - Kt hp ScrollView ( ngoi cng), LinearLayout v TableLayout

- Dng List hoc ArrayList lu li thng tin mi ln bm nt Tnh Thnh Tin, mc

ch phc v cho chc nng thng k.


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Bi tp 16: Mc ch:

- Thc hnh v hiu c cc control nng cao trong Android:

o ListView

- Hiu c cch s dng String-Array, ArrayAdapter

Yu cu: - Thit k giao din nh hnh bn di:

- Giao din gm 1 TextView v 1 ListView

- Trong res/values/strings.xml to mt String-Array: cha mt s cc gi tr nh hnh trn

- Khi ng dng c khi ng, n s t ng c cc gi tr trong String-Array v hin

th ln ListView

- Khi click chut vo tng phn t trn ListView, s hin th v tr v gi tr phn t c

click vo TextView c mu xanh dng bn trn.

Hng dn: - Trong hm onCreate ca Activity thit lp ArrayAdapter cho ListView

- Chi tit xem slide 78,79,80 phn x l giao din ngi dng

Bi tp 17: Mc ch:


o ListView

- Hiu c cch s dng ArrayList, ArrayAdapter

Yu cu: - Thit k giao din nh yu cu:


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- Mi ln ngi s dng chn nt Nhp, chng trnh s lu d liu trong mc Nhp tn

vo ArrayList ng thi cp nhp danh sch vo ListView

- Khi chn tng phn t trong ListView, chng trnh s hin th v tr v gi tr ca phn

t ang chn vo TextView mu xanh

Hng dn: - S dng hm notifyDatasetChanged ca ArrayAdapter t ng cp nht li danh

sch cho ListView khi ArrayList thay i d liu.

- Chi tit xem slide 81, 82 phn x l giao din ngi dng

Bi tp 18: Mc ch:


o ListView

- Hiu c cch s dng ListActivity, ArrayAdapter

Yu cu: - Thit k giao din nh yu cu bn di (k tha t ListActivity thay v Activity):


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Hng dn: - K tha t ListActivity

- t id cho ListView l @android:id/list Chnh l tn mc nh trong Android

- Chi tit xem slide 83, 84, 85, 86 phn X l giao din

Bi tp 19: Mc ch:

- Thc hnh v hiu v cc control nng cao trong Android:

o Hc cch to Custom ListView

o Cch k tha ArrayAdapter

Yu cu: - Hy xy dng ng dng Android nh hnh bn di, yu cu hiu chnh li ListView

c th hin th theo mun ring

- Mi phn t trong ListView s c 1 hnh nh v 1 ni dung, nu ni dung c s lng k

t


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Yu cu: - Thit k ng dng nh mn hnh bn di:

- Khi ng dng khi ng, Danh mc sn phm s hin th vo trong Spinner nh hnh

- Mi ln chn vo danh mc trong Spinner, chng trnh s hin th danh sch sn phm

vo ListView theo danh mc tng ng:

- ng vi mi sn phm l in thoi s c mi hnh nh ring

- Khi chn tng sn phm trong ListView, chng trnh s dng Toast hin th chi tit

Hng dn: - p dng Custom Layout thit k cho ListView

- Gi lp 2 ArrayList, ArrayList 1 cha danh sch Danh Mc Sn phm, ArrayList 2 cha

danh sch sn phm theo danh mc

- ng dng load t CSDL ln giao din cho phn hc k tip


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o Hiu v s dng c AutoCompleTextView

o Hiu v s dng c GridView, kt hp vi Spinner

Yu cu: - Thit k giao din nm ngang nh hnh bn di v thc hin cc yu cu:

- Khi khi ng chng trnh s load danh sch danh mc sn phm vo Spinner

- Mi ln chn Danh mc sn phm, chng trnh s hin th danh sch sn phm ca danh

mc ang chn vo GridView (xem hnh)

- Khi ngi s dng nhp 1 tn sn phm mi vo AutoCompleteTextView v chn nt

Nhp th chng trnh s a sn phm mi ny vo ng danh mc ang chn; cp nhp

vo AutoComplete v ng thi cp nht vo GridView (2 ch cp nht)

- Mi ln chn tng phn t trong GridView, chng trnh s dng Alert Dialog hin

th thng tin chi tit cho tng phn t.

Hng dn: - C 3 i tng: Spinner, AutoCompleteTextView, GridView u s dng ArrayAdapter

- Nh vy mi ln c s thay i d liu (List cha d liu tng ng thay i) th ta gi

hm notifyDatasetChanged ca ArrayAdapter tng ng cho mi i tng.

- Thit lp android:completionThreshold="1" cho AutoCompleteTextView. Ty vo

ca ngi lp trnh m ta thit lp cc gi tr khc nhau, S ny c ngha kch

hot chc nng AutoComplete, nu thit lp l 1 th g 1 k t n s kch hot, nu thit

lp l 3 th g 3 k t n s kch hot

- setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);

thit lp ng dng nm ngang in thoi.


Trang 32



o Hiu cch a hnh nh vo GridView, bit cch s dng BaseAdapter

Yu cu: - Vit ng dng trnh din hnh nh nh sau (s dng GridView):

- Khi chn tng hnh nh trong GridView th s m mt mn hnh mi hin th thng

tin chi tit ca hnh ang chn (v d chn hnh ch Cu):

- Chn nt Back tr v mn hnh chnh

Hng dn: - Xem hng dn chi tit slide 120, 121, 122, 123, 124 phn x l giao din ngi dng


Trang 33

Bi tp 23: Mc ch:

- Thc hnh v hiu cc control nng cao trong Android:

- Hiu v s dng c Time Selection:

o AnalogClock

o Chronometer

o TimePickerDialog

o DatePickerDialog

Yu cu: - Vit chng trnh qun l mc tiu hon thnh cng vic hng tun: L do chng ta lm

vic khng c quy c, khng nht qun, gp u lm , ang lm vic ny thy vic kia

sy ra li nhy qua vic lm d cng vic c cha xong, khng theo quy trnh nh

sn dn n kt thc mt ngy m cui cng khng hon thnh c vic g c.

- Thit k giao din nh hnh bn di v thc hin mt s chc nng:

- Khi chn nt Date s hin th DatePickerDialog cp nht Ngy hon thnh

- Khi chn nt Time s hin th TimePickerDialog cp nht gi hon thnh

- Khi chn nt Thm cng vic (Thm CV), chng trnh s cp nhp vo ListView bn

di mn hnh

Hng dn: - Xem hng dn cch s dng DatePickerDialog v TimePickerDialog slide 113, 114

phn X l giao din ngi dng


Trang 34

Bi tp 24: Mc ch:


o Hiu v s dng c TabSelector

Yu cu: - Thit k ng dng nh yu cu bn di:

- ng dng gm c 2 Tab: tab Login v tab Help

- ng vi mi Tab s c giao din khc nhau, sinh vin t to giao din ty thch thao

tc vi TabSelector

Hng dn: - Xem Slide 128, 129, 130 phn X l giao din ngi dng

Bi tp 25: Mc ch:


- Hiu v s dng c Menu, ContextMenu

Yu cu: - Hiu chnh bi tp 23, thm 1 Menu v 1 ContextMenu nh sau:

- Thit lp ContextMenu cho ListView (bm long time hin th ContextMenu): chn

sa cho php sa cng vic, chn Xa cho php xa cng vic, v m s CV

- Thit lp Menu cho ng dng (bm vo nt Menu ca emulator s hin th Menu): Xem

cng vic hon thnh, cha hon thnh v xa ton b cng vic

Hng dn: - Xem hng dn slide 133140 phn x l giao din ngi dng


Trang 35


- Thc hnh v hiu v Webkit:

o Thao tc c vi Webkit Browser

o Cc Browser Command

o Cch ng k i tng trong Android vo JavaScript

o Tng tc Javascript v Android

Yu cu: - Xy dng ng dng tm v tr (dng d liu gi), cho php tng tc gia Android vi

HTML (Java Script). Giao din mn hnh nh sau:

- Khi chn nt Click to get location, chng trnh s ly thng s t Android v hin th

ln giao din HTML

- Khi chn nt Talking to Android, chng trnh s gi thng s trn HTML ti Android

v Android dng Toast hin th nhng thng s ly c t HTML ny

Hng dn:

- Dng Microsoft Express Web hoc trnh son tho bt k thit k HTML nh trn

- Ch ni dung tp tin HTML ch c cha tag html ngoi cng, tuyt i khng cha cc

Tag l khc.

- Ko th tp tin HTML vo th mc assets ca ng dng Android

- Chi tit xem slide hng dn 161167 phn x l giao din ngi dng

- Nh thit lp 3 thng s ny vo Manifest XML


Trang 36

Bi tp 27: Mc ch:

- Thc hnh v hiu c v Intent (phi lm ht bi tp ny, rt quan trng):

o Explicit Intent

o Implicit Intent

o Cch ly kt qu qua li gia cc Activity thng qua Intent

Yu cu: - Vit chng trnh qun l bi ht, thit k giao din nh hnh bn di:

- Phi to Album trc khi vo chc nng qun l bi ht

- Khi chn chc nng thm Album, chng trnh s xut hin mn hnh di y (ch

m di dng Dialog):

o Chn lu album ny lu, chn xa trng xa d liu va nhp, focus ti

m.

- Khi chn xem danh sch album, chng trnh s m mt mn hnh mi hin th

danh sch Album to ch dng CustomLayout cho ListView:


Trang 37

- Khi chn tng Album trong danh sch, s hin th mn hnh cho php chnh sa Album:

o Chn Update cp nht li Album

- Khi nhn Tht Lu (Long time) vo tng Album trong danh sch, chng trnh s hin

th Alert Dialog hi xem c mun xa Album ny hay khng?

- Chn C xa album mun xa, chn Khng tr v mn hnh xem danh sch

- Khi chn chc nng qun l bi ht mn hnh chnh chng trnh s hin th:

o Load danh sch album vo Spinner

o S dng DatePickerDialog ch ngy ra a

o Chn Thm bi ht a bi ht mi vo ListView bn di.

Hng dn: - Xem hng dn s dng Intent, get result trong slide 170180; 191205 phn x l

giao din ngi dng.


Trang 38

Bi tp 28: Mc ch:

- Thc hnh v hiu c v Intent:

o Explicit Intent

o Implicit Intent

o Cch ly kt qu qua li gia cc Activity thng qua Intent

Yu cu: - Vit chng trnh qun l nhn s nh bn di (s dng Context Menu hoc Menu):

- Chn Chnh sa hiu chnh nhn vin ang chn trong ListView

o Chn Lu cp nht

- Chn Thm mi thm nhn vin mi:

o Chn Lu thm mi


Trang 39

- Khi chn Xa, chng trnh s hin th Alert Dialog xc nhn xem c xa hay khng?

Hng dn: - Xem hng dn s dng Intent, get result trong slide 170180; 191205 phn x l

giao din ngi dng.

Bi tp 29: Mc ch:

- Thc hnh v hiu v chm a im trong Android

Yu cu: - Vit mt ng dng kim tra nu nh c 3 ngn tay ca ngi s dng lt trn mn hnh

th chuyn mu nn sang Mu

- Nu c 5 ngn tay ca ngi s dng lt trn mn hnh th m mt bi nhc bt k no

(dng Implicit Intent).

Hng dn: - Xem slide hng dn Multitouch 207212 phn x l giao din ngi dng

Bi tp 30:

Mc ch: - Thc hnh v hiu v a ngn ng trong Android

Yu cu: - Vit mt ng dng cho php x l a ngn ng trong Android (ng dng bt k)

Hng dn: - Xem hng dn a ngn ng 215218 phn x l giao din ngi dng


Trang 40

Module 3: X l tp tin, lu trng thi, CSDL, Content Provider


- Thao tc vi cc tp tin trong Android: Internal Storage, External Storage v Cache files

- Thc hnh v XML Parser: DOM, SAX

- Thc hnh v lu trng thi ng dng: Share Preferences

- Thc hnh v Sqlite: cch to/ xa CSDL, to bng, truy vn, thm, sa, xa d liu

- Thc hnh v Content Provider: thao tc vi cc Content Provider c sn, cch to mi

cc Content Provider

Bi tp 1: Mc ch:

- Thc hnh v hiu c c ch lu tp tin trong Android:

o Internal Storage

o External Storage

o Cache files

Yu cu: - Vit chng trnh cho php c / ghi mt TextFile bt k t ng dng:

- Khi bm Write Data, chng trnh s lu ton b thng tin trong EditText xung tp tin

- Khi bm Read Data, chng trnh s c thng tin t tp tin v hin th ln EditText

- Ch th trn 2 trng hp: Internal v SD card, quan st ni lu tr tp tin trong File

Explorer ca DDMS

Hng dn: - Xem slide 8 , 9 phn x l tp tin


Trang 41

Bi tp 2: Mc ch:

- Thc hnh v hiu c c ch lu tp tin trong Android:

o Internal Storage

o External Storage

o Cache files

Yu cu: - Vit chng trnh cho php load ton b danh sch Cache files ln giao din, mi ln

chn vo tng Cache s cho php c thng tin t cache. Chng trnh cn h tr chc

nng Xa tng Cache v xa ton b Cache

Hng dn: - S dng Intent m Activity xem chi tit ni dung ca tng cache chn trn ListView

- S dng lnh sau ly ton b Cache:

File cachDir=getCacheDir();

File listCache[]=cachDir.listFiles();


Trang 42

Bi tp 3: Mc ch:

- Thc hnh v hiu c XML Parser:

o K thut dng DOM

o K thut dng SAX

Yu cu: - Cho cu trc XML sau:

- Hy dng 2 k thut DOM v SAX (vit 2 cch ) thc hin c file XML trn v a

ln giao din nh hnh bn di:

- Chng trnh s c danh sch Title vo Spinner (ch khng c trng lp)

- Chn Title no th s hin th danh sach nhn vin tng ng vo ListView theo Title .

Hng dn: - Xem k thut DOM, SAX trong slide 2733 phn x l tp tin


Trang 43

Bi tp 4: Mc ch:

- Thc hnh v hiu c Share Preferences:

o Cch to v s dng Share Preferences

o Cch s dng Share Preferences Change listener (to cc Settings Activity)

Yu cu: - Vit ng dng vi giao din ging hnh di y:

- Yu cu thc hin:

o Khi ngi s dng chn ng nhp th ng ng dng ny li. Ch nu

checkbox Lu thng tin c checked th chng trnh s lu ton b thng tin

(user, password). Nu checked =false th xa ton b thng tin lu trc .

o Khi khi ng li ng dng, chng trnh s tm xem thng tin c c lu hay

khng, nu c lu th hin th li ln mn hnh cho ngi s dng

Hng dn: - Xem slide hng dn 38 , 39 phn x l tp tin


Trang 44

Bi tp 5: Mc ch:

- Thc hnh v hiu c Share Preferences:

o Cch to v s dng Share Preferences

o Cch s dng Share Preferences Change listener (to cc Settings Activity)

Yu cu: - Vit ng dng dng PreferenceActivity c giao din nh bn di:

- Khi bm Start my Setting s hin th mn hnh Setting:

o Nu checked mn hnh chnh s c mu

o Nu unchecked mn hnh chnh s c mu xanh

- Ch l mn hnh chnh phi ng k Share Preferences Listener th mi t ng bt

c nhng s thay i trong Setting Activity

Hng dn: - Xem hng dn trong slide 4853 phn x l tp tin.


Trang 45

Bi tp 6: Mc ch:

- Thc hnh v hiu v SQLite

o To c CSDL

o Thao tc vi bng d liu: thm, sa , xa

o V mt s tnh nng khc c cung cp bi SQLite

Yu cu: - Vit chng trnh qun l sch c m t nh sau:

o Mt tc gi s c nhiu cun sch, thng tin tc gi gm: m , tn

o Mi cun sch thuc v mt nh tc gi no , thng tin mi cun sch gm: m

sch, tn sch, ngy xut bn

o Hy chn kiu d liu hp l to c s d liu (s dng SQLite) cho ng vi

m t trn

- Thit k giao din nh hnh bn di:

- Phi to Tc gi trc khi vo chc nng qun l Sch

- Khi chn chc nng thm Tc gi, chng trnh s xut hin mn hnh di y (ch

m di dng Dialog):

o Chn Lu tc gi lu, chn xa trng xa d liu va nhp, focus ti m.

- Khi chn xem danh sch Tc gi, chng trnh s m mt mn hnh mi hin th

danh sch Tc gi to ch dng CustomLayout cho ListView:


Trang 46

- Khi chn tng tc gi trong danh sch, s hin th mn hnh cho php chnh sa tc gi:

o Chn Update cp nht li Tc gi

- Khi nhn Tht Lu (Long time) vo tng tc gi trong danh sch, chng trnh s hin th

Alert Dialog hi xem c mun xa Tc gi ny hay khng?

o Chn C xa tc gi hin ti,

o Chn Khng tr v mn hnh xem danh sch


Trang 47

- Khi chn chc nng qun l sch mn hnh chnh chng trnh s hin th:

o Load danh sch Tc gi vo Spinner

o S dng DatePickerDialog ch ngy xut bn

o Chn Thm sch lu vo CSDL ng vi tc gi chn trong Spinner, ng thi

cp nhp vo ListView bn di.

Hng dn: - Xem hng dn cch s dung SQLite trong slide 5468 phn x l tp tin

Bi tp 7: Mc ch:

- Thc hnh v hiu v Content Provider:

o S dng c Built in Content Provier

o T xy dng c Content Provider ring

Yu cu: - Vit chng trnh s dng mt s Content Provider ph bin, thit k giao din ging

nh hnh bn di:


Trang 48

- Khi chn Show All Contact, chng trnh s hin th danh sch cc Contact c lu

trong in thoi:

- Tng t nh vy vit chng trnh s dng Content Provider c sn s dng Call

Log, Media Store, Book Marks

Hng dn: - Xem hng dn chi tit slide 7380 phn x l tp tin

Bi tp 8 (***): Mc ch:

- Thc hnh v hiu v Content Provider:

o S dng c Built in Content Provier

o T xy dng c Content Provider ring

Yu cu: - T xy dng mt Content Provider cho php tng tc vi Movie Object, thit k giao

din nh bn di:

Hng dn:

- Lm li slide hng dn t 8397, dnh cho sinh vin kh gii


Trang 49

Module 4: X l a tin trnh v dch v


- Thc hnh v a tin trnh: Cch thc lp trnh vi Handler class v AsyncTask

- Thc hnh v Intent Filter

- Thc hnh v BroadCast Receiver: Cch ng k broadcast Receiver trong coding v

trong Manifest XML, thao tc vi mt s chc nng trong Broadcast Receiver

- Thc hnh v Android Service: cch thc giao tip vi Service thng qua Broadcast,

Binder, Messenger.

- Thc hnh v System Service: Pending Intent, Alarm Manager, NotificationManager

- Thc hnh v .Net Webservice: Cch to .net webservice, cch cu hnh IIS, cch thc

tng tc d liu gia Android v .Net Webservice: KSOAP Api

Bi 1:

Mc ch:

- Thc hnh v hiu c k thut lp trnh a tin trnh

o Cch tip cn bng Handler

o Cch tip cn bng AsyncTask

Yu cu:

- Vit chng trnh sau di dng a tin trnh:

- Yu cu thc hin vi nhiu cch (thc hin bi ny vi 3 cch khc nhau):

o Handler using sendMessage

o Handler using post

o Dng AsyncTask

- Khi bm Start chng trnh s cp nht thng s t 1% 100% ng thi ProgressBar

cng c thc thi theo (xem hnh trn)

- Khi t 100% chng trnh t ng ng.

- Th c gng chn nt Start tht nhiu ln, quan st v gii thch hin tng sy ra.

Hng dn: - Bi qu tm thng, t lm.


Trang 50

Bi tp 2: Mc ch:




Yu cu: - Vit chng trnh cho php v cc Button t ng lc Runtime:

- Yu cu thc hin vi nhiu cch (thc hin bi ny vi 3 cch khc nhau):

o Handler using sendMessage

o Handler using post

o Dng AsyncTask

- Khi ngi s dng nhp s lng cc Button cn v vo EditText v chn chc nng

Draw Button th c 100 miliseconds mi Button s c v ra (xem hnh), ng thi vit

s kin ng cho cc Button ny. Mi ln chn cc Button mi v th dng Toast Thng

bo l chn hay l.

- Ch nn dng ScrollView cha cc Button v c th s lng Button ln, vt qu

chiu di ca mn hnh

Hng dn:

- llbutton l mt View no (do logic lp trnh ca mi ngi chn)

- gn s kin ging nh cch vit bnh thng


Trang 51

Bi tp 3 (*): Mc ch:




o Kt hp nhun nhuyn gia Handler v AsyncTask

Yu cu: - Kt hp Handler v AsyncTask, vit chng trnh nh hnh di y:

o Mn hnh c chia ra lm 2 Layout (suy ngh cch dng Layout cho ti u),

o Layout 1 v cc Button vi cc s ngu nhin

o Layout 2 v cc Button l cc s nguyn t (ch rng cc s nguyn t ny l kt

qu sau khi AsyncTask thc hin cng vic v cc Button ngu nhin Layout 1)

Hng dn:

- Xem hng dn slide 3137 phn x l a tin trnh v dch v


Trang 52

Bi tp 4: Mc ch:

- Thc hnh v hiu v Intent filter, Broadcast Receiver

o Cch khai bo v s dng Intent filter

o Cch ng k/ g b Broadcast Receiver

o Cch x l Broadcast Receiver trong coding

o Cch x l Broadcast Receiver trong Manifest XML

Yu cu: - Vit ng dng Android x l tin nhn rc.

- Hin nay rt nhiu tin nhn qung co gi v ti v, ci Al ca bn phi nhn rt nhiu

tin nhn nh th gy phin h v mt thi gian cho bn.

- Hy vit chng trnh gii quyt vn ny, yu cu nh sau:

o Chng trnh c giao din thm, sa, xa cc u s m bn cho l u s rc.

Nh vy nn dng SQLite hoc XML lu cc u s rc.

o Chng trnh phi t ng nhn tin nhn v pht hin ra c tin nhn no l gi

i t cc u s rc .

o Nu pht hin ra l u s rc th xa n khi inbox ca messaging ng thi

pht ra Audio l y l tin nhn rc, b x ngi s dng khng phi m

in thoi ln xem.

- Yu cu vit theo 2 cch (tc l bi tp ny lm thnh 2 Project khc nhau):

o ng k Broadcast Receiver nhn tin nhn ti trong coding

o ng k Broadcast Receiver nhn tin nhn ti trong Manifest XML

- Sau khi lm xong theo 2 cch trn, hy so snh s khc bit gia chng. V kt lun

chng ta nn chn cch no?

- Chng trnh phi ci t v chy c trn in thoi Android thit.

- Khi nhn tht lu vo 1 u s trong ListView th s ny s t ng Remove khi CSDL


Trang 53

Hng dn: - Phi s dng 2 permission sau thao tc vi SMS, Audio s xem trong Multimedia

- ng k BroadCast Receiver trong Manifest:

- Vi MySmsReceiver l class ta to ra k tha t BroadcastReceiver

- Cch broadcast mt SMS hng dn trong Slide 5260 phn x l a tin trnh

- m mt tp tin Audio, xem hng dn trong Multimedia APIs (phn k tip)

- Cch xa mt tin nhn trong in thoi nh sau (da vo y truy vn danh sch u

s rc trong CSDL x l), y Ti a ra 2 v d v xa tin nhn:

o Xa ton b tin nhn do 1 u s no gi ti (tc l xa lun trong inbox c)

private void XoaToanBoSms(Context con,

SmsMessage[] msgs,

String phoneNumber)

{

try

{

for (int i=0; i


Trang 54

o Xa tin nhn mi gi ti tc th do 1 u s no gi ti (ch xa tin mi nht)

private void XoaSmsMoiNhat(Context con,

SmsMessage[] msgs,

String phoneNumber)

{

try {

for (int i=0; i


Trang 55

Bi tp 5: Mc ch:

- Thc hnh v hiu c Android Service

o Hiu c cch to v khi ng Service

o Hiu c cch giao tip vi service thng qua:

Broadcast

Binder

Messenger

Yu cu: - Bi tp ny vit theo 3 cch: Broadcast, Binder, Messenger (nn to 3 Project ring)

- Hy vit mt dch v cho php thc hin 2 cng vic:

o Tr v danh sch cc tin nhn trong inbox (c 100 miliseconds tr v 1 tin nhn)

o Tr v danh sch cc Contacts trong in thoi (tr v 1 ln ht cc danh b)

- Nh vy service phi kt hp vi a tin trnh gi thng tin cho ng dng ( y Ti

yu cu dng AsyncTask)

- Ci t v chy c trn in thoi Android thit

- Thit k mt ng dng triu gi dch v trn, xem giao din bn di:

Hng dn:

- Xem slide hng dn 7681 phn x l a tin trnh v dch v

- Uri uri=Uri.parse("content://sms/inbox");uri c tin nhn SMS trong inbox

- Uri uri=Uri.parse("content://contacts/people");uri c danh b trong in thoi


Trang 56

Bi tp 6: Mc ch:

- Thc hnh v hiu c Android Service

o Hiu c cch to v khi ng Service

o Hiu c cch giao tip vi service thng qua:

Broadcast

Binder

Messenger

Yu cu: - Nng cp bi tp 5 trn:

- Yu cu Service cung cp thm 2 chc nng

o Tr v danh sch cc tin nhn trong inbox (c 100 miliseconds tr v 1 tin nhn)

o Tr v danh sch cc Contacts trong in thoi (tr v 1 ln ht cc danh b)

o Xa mt tin nhn trong inbox

o Xa mt contact trong danh b

- Yu cu i vi giao din:

o Khi bm tht lu vo mt tin nhn th yu cu Service xa tin nhn ny

o Khi bm tht lu vo 1 contact th yu cu Service xa contact ny

Hng dn: - Lm c bi 5 th phi lm c bi 6.

Bi tp 7: Mc ch:

- Thc hnh v hiu c System Android Service

o Hiu c PendingIntent

o To v s dng c AlarmManager (dng getBroadCast v getService)

o To v s dng c NotificationManager

Yu cu: - Dng AlarmManager vit chng trnh nhc nh ngy sinh nht.

o Hin nay v phi vt ln vi mi lo toan cuc sng, lm cho con ngi chng ta

lc no cng bn rn, chng ta lc no cng ch c cng vic v cng vic. Chng

ta qun i nhng ngy k nim quan trng ca b m, anh em, bn b, i tc.

in thoi th sn trong ngi nhng t gi bt my ln hi han mt ai , hay l

ch nhn nhng li chc sinh nht m thm ti ngi thn cng khng nh. N

v tnh lm cho chng ta tch bit vi cuc sng m p hng ngy, n lm cho

chng ta tr ln kh khan ti mc v tnh.


Trang 57

o V l do ny, yu cu cc sinh vin vit phn mm nhc nh ngy sinh nht.

Chng trnh phi c giao din cho php nhp vo danh sch cc Ni dung nhc

nh vi nhng ngy nhc quy nh trn giao din.

o Khi n ng ngy , gi th in thoi phi t ng thng bo. Hnh thc

thng bo ty sinh vin chn la, c th:

M mt audio ni ti ngy sinh nht

Hoc t ng m mt Activity ln mn hnh thng bo l ti ngy sinh

nht

Hoc hnh thc no ty

- Chng trnh phi ci t v chy c trn in thoi Android thit

- Xem giao din bn di:

- Khi ng ti ngy sinh nht, Ti cho hin th Activity vi mn hnh mu nh trn,

sinh vin c th ty chn hnh thc Nhc Nh khc

- S dng DatePickerDialog nhp Birthday

- Khi chn Thm nhc nh s a thng tin xung ListView

- Khi nhn rt lu vo 1 nhc nh no trong ListView th xa n ra khi ListView

Hng dn: - Xem slide hng dn s dng AlarmManager : slide 8390

- S dng phng thc set ca class Calendar thit lp thi gian active

cal.set(2013, 2, 25, 0, 0, 0);//nm, thng, ngy, gi, pht, giy


Trang 58

Bi tp 8: Mc ch:

- Thc hnh v hiu c System Android Service

o Hiu c PendingIntent

o To v s dng c AlarmManager (dng getBroadCast v getService)

o To v s dng c NotificationManager

Yu cu: - Dng NotificationManager vit ng dng:

- Hy vit ng dng n gian c giao din nh bn di:

- Khi chn Start, ng dng s hin th Notification thng bo nh bn di

- Ko Notification xung, v chn n, mn hnh tm kim Google s xut hin nh di:

- Chn Stop ngng Notification

Hng dn: - Xem hng dn slide 9799


Trang 59

Bi tp 9 (*): Mc ch:

- Thc hnh v hiu c cch tng tc d liu gia Android v .Net Webservice

o Bit to .Net Webservice

o Bit cch cu hnh IIS

o Tng tc Android vi .Net Webservice thng qua KSOAP API

Yu cu: - Hy xy dng .Net Webservice vi m t sau (CSDL l Sqlserver):

- Webservice ny s cung cp cc dch v:

o m tng s danh mc

o Tr v danh sch cc danh mc

o Thm danh mc vo CSDL

o Xa danh mc khi CSDL

o Tr v danh sch cc sn phm theo mt m danh mc no

o Tnh thnh tin, vi 2 i s truyn vo l s lng v n gi

o V mt s dch v pht sinh khc khi lm

- Cu hnh IIS chy Webservice ny

- Xy dng phn mm Android tng tc vi Webservice trn thng qua KSOAP API:


Trang 60

- Khi chn Insert Cate: chng trnh s gi dch v thm 1 danh mc vo CSDL (ch ch

c nhp khng qu 10 danh mc)

- Khi chn Show List Catalog: chng trnh s hin th ton b danh sch danh mc vo

ListView nh hnh.

- Khi chn tht lu mt danh mc no trn ListView th cho php xa danh mc ny,

ch l nu kim tra thy danh mc c sn phm ri th dng AlertDialog hi xem

ngi s dng bit v hi xem h c chc chn mun xa hay khng.

Hng dn: - Xem slide hng dn 107114

- Bi tp ny rt quan trng, khi i lm thc t chng ta hay phi tng tc ti mt

WebService no

-


Trang 61

Bi tp 10: Mc ch:

- Thc hnh v bit c cch tng tc gia thit b Android vi My ch (Laptop)

o Thit lp c kt ni gia in thoi v Laptop

o Tng tc Android vi .Net Webservice thng qua KSOAP API

Yu cu: - Yu cu tng tc c gia thit b Android thit vi Labtop

Hng dn:

- T trin khai:

o Gi dng chc nng Portable wifi hotspot ca thit b

o Hoc mt s phn mm gip Laptop pht WIFI (Win7, Win8)

o Ch cn xc nh c IP ca my Laptop, kt ni theo IP ny


Trang 62

Module 5: Networking APIs v Multimedia APIs


- Thc hnh cch x l Strict Mode: Dng permitAll() v AsyncTask

- Thc hnh truy sut d liu thng qua giao thc HTTP: c Text File, c Binary File,

cch ly Network Status

- Thc hnh v Camera: cch x l hnh nh t Camera, thao tc vi cc Parameters, cch

thc Zoomin, cch thc chia s hnh nh, thit lp mn hnh nn t Camera

- Thc hnh v Video: Cch thc lu tr Video, cch play Video, lm vic vi nhn dng

khun mt

- Thc hnh v Audio: Cch thc lu tr audio, cch play audio, cch tm kim, chia s

audio v thit lp nhc chung in thoi.

- Nu my khng c internet th t cu hnh IIS local s dng website bnh thng

Bi 1:

Mc ch:

- Thc hnh v hiu c cch c 1 Text file t internet

o Bit x l Strict mode

permitAll()

AsyncTask

Phn bit c s khc bit gia 2 cch ny, nn chn cch no

o S dng c mt s class h tr c Text file t internet

Yu cu: - Vit chng trnh cho php c mt Text file (URL path), giao din nh hnh bn di:

- Cch 1- Kt ni trong Main Thread dng permitAll()

- Cch 2- Kt ni mt Thread khc (dng AsyncTask)

- Gii thch s khc bit gia 2 cch v kt lun nn s dng cch no

Hng dn: - Xem slide hng dn 1012 phn Networking APIs v Multimedia APIs


Trang 63

Bi tp 2: Mc ch:

- Thc hnh v hiu c cch c 1 Binary file t internet

o Bit x l Strict mode

permitAll()

AsyncTask

Phn bit c s khc bit gia 2 cch ny, nn chn cch no

o S dng c mt s class h tr c Binary file t internet

Yu cu: - Vit ng dng cho php hin th mt hnh nh bt k t internet nh sau:

- Yu cu dng AsyncTask load hnh nh v in thoi

Hng dn: - Xem slide hng dn t 1416 phn Networking APIs v Multimedia APIs

Bi tp 3: Mc ch:

- Hiu thm cch c 1 Binary file t internet

Yu cu: - Ci tin bi tp 2 bng cch thm 1 Progressbar load hnh nh v, v bi tp 2 thng

gy ra tnh trng ging nh my khi m tp tin qu nng hoc internet chm

Hng dn:


Trang 64

Bi tp 4: Mc ch:

- Thc hnh v hiu c cch kim tra trng thi mng ca thit b Android:

o Hiu v s dng c ConnectivityManager

Yu cu: - Vit chng trnh cho php kim tra tnh trng mng ca thit b di ng Android, giao

din nh hnh bn di:

- Yu cu dng AsyncTask


- ng dng bi tp ny sa li bi tp 1, 2, 3, . Kim tra nu my cha c Wifi hoc 3G

th yu cu m Wifi hoc ng k 3G trc khi thc hin kt ni internet.

Bi tp 5: Mc ch:

- Thc hnh v hiu v Camera:

o Cch chp hnh nh t Camera

o Cch s dng Camera Parameter

o Chia s hnh nh

o Thit lp mn hnh in thoi t hnh nh trong Camera

- Khng th c trn emulator, phi th trn in thoi Android thit

Yu cu: - Vit chng trnh cho php kch hot Camera v chp mt hnh nh t Camera ri lu

vo SD Card, xem giao din minh ha:


Trang 65

- Khi chn View Camera, s cho php kch hot Camera

- Khi chn take Photo s cho php chp hnh nh hin ti trong Camera v lu vo th.


Bi tp 6 (*): Mc ch:

- Thc hnh v hiu v Camera:

o Cch chp hnh nh t Camera

o Cch s dng Camera Parameter

o Chia s hnh nh

o Thit lp mn hnh in thoi t hnh nh trong Camera

- Khng th c trn emulator, phi th trn in thoi Android thit

Yu cu: - Ci tin bi tp 5, thm cc chc nng :

o Zoom in, Zoom out

o Xoay Camera

o Chia s hnh nh

o Thit lp mn hnh nn

o Chc nng bt / tt n Flash (thay cho n Pin khi bui ti Cp in)

- Giao din sinh vin t sng to sao cho d s dng

Hng dn: - Xem cch to n flash trong Android, da vo y a vo bi tp 6.


Trang 66

- Trong Manifest XML cu hnh permission:

- Coding trong Activity:

public class MainActivity extends Activity {

//Button bt n Flash Button btnflashlight;

//Bin c kim tr n Flash ang bt hay tt private boolean isFlashOn = false;

//to i tng camera truy sut Flash light private Camera camera;

//Parameter thit lp cho camera private Parameters params;

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

btnflashlight=(Button)

findViewById(R.id.btnturnonoroffflash);

btnflashlight.setOnClickListener(new

View.OnClickListener() {

public void onClick(View arg0) {

doTouchtoOn();

}

});

}

public void doTouchtoOn()

{

//Nu n flash ang m if (isFlashOn) {

//Thit lp flashmode off cho parameter params.setFlashMode(Parameters.FLASH_MODE_OFF);

//thit lp parameter cho camera camera.setParameters(params);

//gn c kim tra bng flase


Trang 67

isFlashOn = false;

//Thit lp ch cho button l Bt n btnflashlight.setText("Bt n"); }

//Nu n flash ang else {

//thit lp flashmode on cho parameter params.setFlashMode(Parameters.FLASH_MODE_TORCH);

//thit lp parameter cho camera camera.setParameters(params);

//gn c kim tra bng true isFlashOn = true;

//Thit lp ch cho Button l Tt n btnflashlight.setText("Tt n"); }

}

protected void onResume() {

super.onResume();

PackageManager pm = getPackageManager();

if(!pm.hasSystemFeature

(PackageManager.FEATURE_CAMERA)) {

Toast.makeText(getApplicationContext(),

"My khng c Camera!",

Toast.LENGTH_SHORT).show();

btnflashlight.setEnabled(false);

return;

}

camera = Camera.open();

if(camera!=null)

params = camera.getParameters();

}

protected void onStop() {

super.onStop();

if (camera != null) {

camera.release();

}

}

}


Trang 68

Bi tp 7: Mc ch:

- Thc hnh v hiu v Video

o Cch ghi Video

o Cch chi Video

o Bit chc nng nhn din khun mt trong Android

Yu cu: - Vit ng dng cho php ghi v m Video, xem giao din:

- Khi chn Start Recording Video, chng trnh khi ng MediaRecord ln SurfaceView

v t ng quay phim lu vo SD Card

- Khi chn Stop th s ngng quay phim v m li phim va c ghi theo 2 cch:

o Dng Implicit Intent m

o Dng VideoView, MediaController m


- Trong Manifest thm cc permission:


Trang 69

Bi tp 8: Mc ch:

- Thc hnh v hiu v Audio

o Cch ghi Audio

o Cch m Audio

o Cch tm kim Audio

o Cch thit lp nhc chung in thoi

Yu cu: - Hy vit chng trnh thc hin cc chc nng sau:

o Cho php ghi m cuc ni chuyn (lu vo SD Card)

o Cho php m cc tp tin ghi m

o H tr chc nng tm kim theo ngy, theo tn tp tin

o Cho php ly 1 tp tin ghi m no lm nhc chung in thoi

- Giao din sinh vin t thit k sao cho d s dng

- Yu cu ci t v chy c trn in thoi Android thit

Hng dn: - Xem slide hng dn 5160 phn Networking APIs v MultiMedia APIs

Bi tp 9 (*): Mc ch:

- Tng hp chc nng trong Networking v MultiMedia

Yu cu: - Hy gi lp chng trnh Music Player ca Android

o Cho php thc thi c cc tp tin Audio, Video

o Thc thi c cc tp tin Audio, Video qua mng internet

o V mt s tnh nng cn thit khc

Hng dn: - Xem cch thit k chng trnh Music Player ca Android

- Tm kim trn mng

- Dnh cho cc sinh vin kh gii


Trang 70

Module 6: Telephony APIs v Location Base Service APIs


- Thc hnh v cc tin ch ca Telephony APIs: Kim tra Phone State, Service State, lm

vic vi Phone Number

- Thc hnh v SMS: Cch cp quyn nhn v gi SMS, cch gi/nhn SMS, cch c

cc tin nhn trong Inbox, ng k BroadCast Receiver thao tc vi cc SMS

- Thc hnh v cch to cuc gi, nhn cuc gi: cch cp quyn, s dng

ACTION_CALL, ACTION_DIAL, ACTION_ANSWER, ng k BroadCast Receiver

tng tc vi cc cuc gi n.

- Thc hnh v Call logs: Xem lch s cuc gi, xa lch s cuc gi

- Thc hnh v LBS APIs: Tm hiu GPS, Geocoding v Mapping location, thc hnh

Mapping Intent v Mapping View

Bi 1:

Mc ch:

- Thc hnh v hiu v Telephony APIs:

o Cch gi mt tin nhn SMS

o Cch nhn mt tin nhn SMS

o Cch thao tc vi tin nhn

Yu cu: - Hy vit ng dng thay th cho chng trnh Messaging ca Android:

o Cho php son tho v gi tin nhn

o Cho php nhn tin nhn

o Cho php thao tc tin nhn:

Xa tin nhn

Tm kim tin nhn

Sp xp tin nhn theo s in thoi, theo ngy gi, theo ngy nhn

- Ch chng trnh ch cn lu cc thng s sau ca mi tin nhn:

o a ch gi n

o Ni dung gi n

o Thi gian gi n

o Ni dung gi i

o Thi gian gi i

o (cc thng s khc khng cn lu)

- Dng SQLite lu tr thng tin ca mt tin nhn nh m t trn:

o Bng tin gi i (m t ng, s gi i, ni dung gi i, thi gian gi i)

o Bng tin nhn c (m t ng, s gi n, ni dung gi n, thi gian gi n)


Trang 71

- Chng trnh nn ng k BroadCast Receiver trong Manifest XML t ng nhn cc

tin nhn gi n v lu vo c s d liu (cho d ng dng b tt)

- Xem giao din minh ha (dng Tabselector v include cc Layout vo ng v tr):

o C 4 tab nh trn

o Chn nt ly danh b hoc t nhp s vo EditText

o Khi chn tab no th x l theo tab , sinh vin hy thit k Layout ph hp.

Hng dn: - Hc cch gi 1 tin nhn slide 1315 phn Telephony APIs v LBS APIs

- Hc cch nhn 1 tin nhn slide 1619 ch ng k BroadCast Receiver trong Manifest

- Cch xa : xem li Sqlite cch xa nh th no

- Cch tm kim: ngh cch tm kim hp l

- Cch sp xp: xem Sqlite sp xp nh th no, nn dng ContextMenu gi lnh.

- Ch l CSDL ny c lp vi Messaging ca Android, ta thao tc SMS (xa, tm kim,

sp xp) u nm trn Sqlite do ta to, khng c ng chm ti SMS ca Android.

Tc l khi c 1 tin nhn bt k no gi ti th d nhin Tin nhn ny s c t ng

lu vo 2 ni:

o l Inbox thc t ca Android (Ta khng lin quan, t Android lm)

o v Sqlite m chng trnh chng ta to rata thao tc trn ci ny

- Cc tin gi i chng trnh ch lu khi ngi s dng dng phn mm ny gi tin

nhn, cn gi bng Messaging ca Android th khng lin quan.


Trang 72

Bi tp 2: Mc ch:


o X l cc trng thi ca in thoi (idle, in use, ringing)

o Cch to mt cuc gi i

o Cch nhn mt cuc gi ti

Yu cu: - Vit chng trnh qun l Blacklist

- Thit k giao din ph hp: cho php thm, xa, sa danh Blacklist

- Dng Sqlite lu danh sch Blacklist

- Khi no c cuc gi n nu kim tra s gi n c tn ti trong black list th tin hnh

hy cuc gi (nu c), cn khng th xut hin mt Activity thng bo.

Hng dn: - Xem hng dn x l cuc gi slide 2225 phn Telephony APIs v LBS APIs

Bi tp 3: Mc ch:


o Thao tc vi Call log : xem, xa.

Yu cu: - Vit chng trnh cho php qun l Call log

- Thit k giao din cho php xem danh sch Call log, cho php xa call log:

- Khi m chng trnh s t ng c danh sch call log vo ListView nh trn

- ContextMenu c 2 item: Xa call log ang chn v Xa ton b Call log, mi thao tc

u dng AlertDialog xc nhn xem ngi dng c mun xa hay khng.

Hng dn: - T lm


Trang 73

Bi tp 4 (*): Mc ch:

- Thc hnh v hiu v Location Base Service APIs

o Bit Android Google API

o Hiu v s dng Geocoding location

o Hiu v s dng Mapping Location: Mapping Intent, Mapping View

Yu cu: - Cng ty Bitis cn vit mt ng dng Android nh sau:

- Chng trnh cho php xem danh sch sn phm ca cng ty, cng nh cc chnh sch

khuyn mi, cc thng tin v sn phm mi. (Cng ty s cung cp 1 .Net Webservice

cho php ng dng Android xem danh sch sn phm, xem thng tin khuyn mi, sn

phm mi, . y l ta t lm .Net Webservice thay cho cng ty)

- Chng trnh ng thi cho php cp nht v tr cc i l ca cng ty v cho php tm

kim cc i l ln cn ca mt i l no m ta cn (hoc tm cc i l gn v tr m

ngi s dng ang ng)

- Sinh vin c th dng Mapping Intent hoc Mapping View x l tm a im.

Hng dn: - Dnh cho sinh vin kh gii

- Xem hng dn slide 2844 phn Telephony APIs v LBS APIs

- Ch yu tham kho trn mng internet


Trang 74

Module 7: Thao tc vi thit b cm ng


- Thc hnh v SensorManager, Sensor, SenSorEventListener, SensorEvent: Cch thc

ng k Sensor, cch thc g b ng k, cch ly Sensor mc nh, cch ly danh sch

Sensors, cch ly cc gi tr trong SensorEvent

- Thc hnh v cc thit b cm bin c th: cm bin nhit , cm bin nh sng, cm

bin p sut, cm bin khong cch, cm bin gia tc, cm bin con quay hi chuyn,

cm bin nh hng

- Thc hnh v Pin in thoi: Cch ng k Broadcast Receiver c thng s Pin

- Phi th trn in thoi Android thit

Bi 1:

Mc ch:

- Thc hnh v hiu v Sensor Temperature:

o Cch to Sensor

o Cch ng k Sensor

o Cch g b ng k

o Ly cc thng tin trong SensorEvent

Yu cu:

- Vit ng dng bo ng chy n.

- Chng trnh c giao din quy nh nhit cao nht cho php ti mi trng, khi

nhit mi trng m vt qua nhit cho php th in thoi s m mt Audio

cnh bo C nguy c chy n

Hng dn: - Xem slide hng dn 11, 12

- Xem trn internet

Bi tp 2: Mc ch:

- Thc hnh v hiu v Sensor Light:

o Cch to Sensor

o Cch ng k Sensor

o Cch g b ng k



Trang 75

Yu cu: - Vit chng trnh cnh bo phng thiu nh sng

- ng dng cho php thit lp nh sng ti thiu trong phng, khi nh sng trong phng

m nh hn nh sng ti thiu cho php th in thoi s m Audio Phng qu ti, yu

cu bt n


- Xem trn internet

Bi tp 3: Mc ch:

- Thc hnh v hiu v Sensor Pressure:

o Cch to Sensor

o Cch ng k Sensor

o Cch g b ng k


Yu cu: - Vit chng trnh cnh bo p sut mi trng qu ln

- ng dng cho php thit lp p sut ti a c th chp nhn, khi mi trng c p sut

vt qu thng s cho php th in thoi s m Audio p sut qu ln, nguy him!


- Xem trn internet

Bi tp 4: Mc ch:

- Thc hnh v hiu v Sensor Proximity:

o Cch to Sensor

o Cch ng k Sensor

o Cch g b ng k


Yu cu: - Khi gi in thoi, ta thng p st in thoi vo tai nghe; nn i khi mn hnh cm

ng s chm vo tai lm hy cuc gi m ta khng mong mun.

- Do cn vit ng dng cho php thit lp khong cch ti thiu gia in thoi v i

tng, khi no vt qu gii hn ti thiu th t ng tt mn hnh in thoi.


Trang 76


- Xem trn internet

Bi tp 5: Mc ch:

- Thc hnh v hiu v Sensor Accelerometer:

o Cch to Sensor

o Cch ng k Sensor

o Cch g b ng k


Yu cu: - Vit ng dng nghe nhc c h tr chc nng Lc in thoi chuyn bi ht:

o Nu in thoi lc qua tri th m bi ht ng trc

o Nu in thoi lc qua phi th m bi ht ng sau


- Xem trn internet

Bi tp 6: Mc ch:

- Thc hnh v hiu v Pin in thoi:

o Ly cc thng tin trong Pin

Yu cu: - Vit chng trnh ly cc thng s ca Pin in thoi

Hng dn:

- Xem slide hng dn 3034

- Xem trn internet


Trang 77

Module 8: Danh sch ti mn hc

ti 1:

- Vit chng trnh tra cu t in Anh Vit Vit Anh

ti 2:

- Vit chng trnh ng k hc phn tn ch bng SMS

ti 3:

- Vit chng trnh ng k hc chng ch tin hc A, B bng SMS

ti 4:

- Vit game bn bng s dng Sensor

ti 5:

- Vit chng trnh qun l Album nh

ti 6:

- Vit chng trnh g ting vit trong Android

ti 7:

- Vit chng trnh tm ng i

ti 8:

- Vit game caro (chi vi my)

ti 9:

- Vit game xp gch

ti 10:


Trang 78

- Vit chng trnh chnh sa hnh nh trong Android

ti 11:

- Vit chng trnh qun l ti chnh c nhn

ti 12:

- Vit game phi thuyn bng Sensor

ti 13:

- M phng tr chi Line 98 trong Android

ti 14:

- Vit chng trnh nhn dng khun mt v d on trong vng 20 nm na th khun

mt s thay i nh th no

ti 15:

- Vit chng trnh v th ton hc trong Android

thuc_hanh_android_2013.pdf

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