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Private void pickContact(){

//Create an intent to "pick" a contact, as defined by the content providerURI

Intent intent;

intent = new Intent(Intent .ATION_PICK,Contacts.CONTENT_URI);

startActivityForResult(intent,PICK_CONTACT_REQUEST);

}

@Override

Protected void onActivityResult(int requestCode,int resultCode, Intentdata) {


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/* if the request went well(ok) and the request was

PICK_CONTACT_REQUEST */

If(resultCode == Activity.RESULT_OK && requestCode ==PICK_CONTACT_REQUEST) {

//Perform a query to the contact ' s content provider for the contact 'sname

Cursor cursor = getContentResolver().query(data.getData())

new String[] {Contacts.DISPLAY_NAME},null,null,null);

if(cursor.moveToFirst()) { //True if the cursor is not empty

int cloumnIndex =cursor.getColumnIndex(Contacts.DISPLAY_NAME);

String name = cursor.getString(columnIndex);//Do Something with the selected contact 's name

}

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protected void onRestart() {

super.onRestart();

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super.onStop();

Toast.makeText(this, "onStop", 1).show();

}

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protected void onDestroy() {

super.onDestroy();

Toast.makeText(this, "onDestroy", 1).show();


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android:paddingRight="10dip"/>

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fill par .

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layout

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1. publicclassTestIntentActivity extendsActivity {2. EditText etNumber3;

3. @Override4. publicvoidonCreate(Bundle savedInstanceState) {5. super.onCreate(savedInstanceState);6. setContentView(R.layout.main);

7. finalEditText etNumber1 =8. (EditText) findViewById(R.id.etNumber1);

9. finalEditText etNumber2 =10. (EditText) findViewById(R.id.etNumber2);

11. etNumber3=12. (EditText) findViewById(R.id.etNumber3);

13. Button btnNext =


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(EditText) findViewById(R.id.etNumber2);

etNumber3= (EditText) findViewById(R.id.etNumber3);

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9. }


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10. String value1 = extras.getString("Number1");11. String value2 = extras.getString("Number2");12. TextView tvNumber1 = (TextView)

findViewById(R.id.tvNumber1);13. TextView tvNumber2 = (TextView)

findViewById(R.id.tvNumber2);

14. TextView tvNumber3 =(TextView)findViewById(R.id.tvNumber3);

15. tvNumber1.setText("Number 1 is: "+ value1);16. tvNumber2.setText("Number 2 is: "+ value2);17. finalinti = Integer.parseInt(value1);18. finalintj = Integer.parseInt(value2);19. tvNumber3.setText("Number 1 + Number 2 is: "+

Integer.toString(i+j));20. Button btnResult = (Button)

findViewById(R.id.btnResult);21. btnResult.setOnClickListener(newOnClickListener() {22. @Override

23.publicvoidonClick(View v) {24. Intent intent = newIntent();25. intent.putExtra("Result", i+j);26. setResult(RESULT_OK, intent);27. SumActivity.this.finish();28. }29. });30. }31. }

: SumAvtivity

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Number1Number2

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{

// Create a message stream object. This parses the message data.

// The message object contains one or more strings.

MessageStream stream(webView, data);

// Pointer to a string in the message stream.

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charbuf[512];

sprintf(buf,"setBoxSize(%d,%d)",width,height);

callJS(buf);

}

}

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function setBoxSize(x,y)

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maDBClose: .

maDBExecSQL:SQL .

cursor handle

.

maDBExecSQLParams:SQL

)

MoRE

iOS

.(

maDBCursorDestroy: cursor

maDBExecSQL, maDBExecSQLParams

.

maDBCursorNext: .

)Result Set(.

.

maDBCursorGetColumnData: (

(

data handle

.)


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237

)

(

)

(

.(

maDBCursorGetColumnText:

.

maDBCursorGetColumnInt:

int

.

maDBCursorGetColumnDouble::

.)(double

.

:Database API

1.

maDBOpen()

.

1

.

1Absolute path


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SQLite238

.

2.

maDBExecSQL

insert,update,delete,

.

Command select

. Cursor Handle

.

3.

maDBCursorNext

.

.

.

4.

.

.maDBCursorDestroy

5.

maDBClose() .


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239

.

.maapi

1

)

(

.

Open Source

.

.

:

.Vocabulary.sqlite 2

SQLite Manager

) .

.(

Words

.

VARCHAR

.

)english(

)persian(

.

.

1low-level functions

2Add-on


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SQLite240

.

SQL

:

CREATE TABLE "Words" ("english" VARCHAR NOT NULL , "persian"

VARCHAR NOT NULL )

.

)(

.

504

.

.

.

.


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!

#include "maapi_defs.h"

()maDBOpen .

MAHandle maDBOpen(constc

241

:

ar* path)


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SQLite242

Path

.

.

Vocabulary.sqlite

:

"/mnt/sdcard/Vocabulary.sqlite"

) C

: (

constchar*path="/mnt/sdcard/Vocabulary.sqlite";

:

voidopenDataBase(){

constchar*path="/mnt/sdcard/Vocabulary.sqlite";

MAHandle MAHDB = maDBOpen(path);

MAHandle cursor;

cursor = maDBExecSQL(MAHDB,"Select * from Words");

charfunc[512];

chareword[50];

maDBCursorNext(cursor);

maDBCursorGetColumnText(cursor, 0, &eword,50);

sprintf(func,"alert('%s')",eword);

callJS(func);

maDBClose(MAHDB);


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}

maDBExecSQL()

:

MAHandlemaDBExecSQL(MAHandledatabaseHandle,const char * sql )

: ()maDBCursorNext

int maDBCursorNext(MAHandle cursorHandle)

.

-2 : .

#defineMA_DB_OK 0

#define MA_DB_ERROR -2

maDBCursorGetColumnText()

:

int maDBCursorGetColumnText(MAHandle cursorHandle,int colum

nIndex,void* buffer,int bufferSize)

cursorHandle

.

columnIndex

)

(

.


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SQLite244

Buffer

.

bufferSize

.


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246/274

jQuery Mobile246jQury


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247


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249

.

.

UserFriendly

.

.

....

.

:

1-HDPI=high dot per inch

2-MDPI=medium dot per inch

3-LDPI=low dot per inch


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250

)(

:

Device Name Screen Size Screen Resolution DPI

Motorola Atrix 4 540 x 960 275

Google Nexus 1 3.7 480 x 800 254

iPhone 3GS 3.5 320 x 480 163

iPod Retina Display 3.5 640 x 960 326

iPad 9.7 1024 x 768 132

PlayBook 7 1024 x 600 168

Galaxy Tab 7' 7 1024 x 600 168

Motorola Xoom 10.1 1280 x 800 150

Nook Color 7 1024 x 600 168

.

iPad 5(iOS5)

1536*2048

9

.

iPad


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251

Galaxy mini

3

320*240

.

.

.

3

10

.

APK

3

10

.

.

CSS3(Media Query)

)screen.width,screen.height(.

.

CSS

....CSS

Media Query Adapting Pages for Mobile withMedia

Queries

Adobe Dreamweaver CS5.5 Studio Techniques

Designing and Developing for Mobile with jQuery, HTML5, and

CSS3

DAVID POWERS

.

:


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http://developer.android.com/guide/practices/screens_support.html

: Screen Size .

Screen density:1

.

:

)DPI=dot per inch( )PPI=pixel per

inch(

.

dpi

ppi.

dpi

)

(ppi.

.

Orientation: . ))landscape

)portrait(

.

aspect

ratio

aspect ratio

.

1Quantity


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253

Resolution: .

:

dpi

.

Multiple Screen Support

!

)density(

.

.

Density-independent pixel (dp)

.

Density-independent pixel (dp):

.

:

dp = px / (dpi / 160)

dp:Density-independent pixel

px: Pixel

dpi: dot per inch


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254

dp

px

:

px = dp * (dpi / 160)

160

.

160

Density-independent pixel

.

)s5570(

.

320*240

.

Sony.dpi120

Ericsson Xperia X10 854*480 dpi245

.

160

Density-independent pixel

.

dp .

:

dp(width) = 240 / (120 / 160) = 320


255/274

255

120

240

.

160

320

).

2

.

120

240

2

(.

dp(Height) = 320 / (120 / 160) = 426.67

.

!

:Xperia X10

dp (width) = 480 / (240 / 160) = 320

240

480

.

160

320

.

dp (Height) = 854 / (240 / 160) = 569.3


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256

)maGetScrSize.(

.

++C

++C HTML

)

. (

screen.width

screen.height 160 -Density

independent pixel

!

.

.

.

.


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257

25

544

.

.

569

.

.)

.(

:

maScreenSetFullscreen(1);

)(

.

Emulator AVD

.

.

Run

Run

configurations .

.

.

Low density Medium High density Extra high


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(120), ldpi density (160),

mdpi

(240), hdpi density (320),

xhdpi

Small

screen

QVGA

(240x320)

480x640

Normal

screen

WQVGA400

(240x400)

WQVGA432

(240x432)

HVGA

(320x480)

WVGA800

(480x800)

WVGA854

(480x854)

600x1024

640x960

Large

screen

WVGA800**

(480x800)

WVGA854**

(480x854)

WVGA800*

(480x800)

WVGA854*

(480x854)

600x1024

Extra

Large

screen

1024x600 WXGA

(1280x800)

1024x768

1280x768

1536x1152

1920x1152

1920x1200

2048x1536

2560x1536

2560x1600

* To emulate this configuration, specify a custom density of 160 whencreating an AVD that uses a WVGA800 or WVGA854 skin.

** To emulate this configuration, specify a custom density of 120 when

creating an AVD that uses a WVGA800 or WVGA854 skin.

This skin is available with the Android 3.0 plaorm


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259

.

)3

(

.

QVGA

.QVGABuilt-in skin

XperiaX10: .))4

WVGA854 skin

Built-inWVGA854.

Samsung Galaxy Tab 2 (10.1): )10.1

(

.

WXGA

skin

Built-in

WXGA

.

Android 3.0 (API level 11)

.

.

)(

.


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260

)

(

.

160

.

.html

.

document.write(screen.width);

document.write(",");


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261

document.write(screen.height);

10

1280 x 800 px

)1280>800(

)landscape(

.

.

800*1280 !

Orientation

.

Orientation .

MoSync\examples\cpp\ScreenOrientation

.

)

(

)(

.


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262


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263

CTRL+F11

).(.

))MoRE F4

).

.(


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264

ScreenOrientation

MAUtil::Moblet

Orientation

.

maScreenSetOrientation()

.

int maScreenSetOrientation ( int orientation)

.

.

:

#define SCREEN_ORIENTATION_LANDSCAPE 1

#define SCREEN_ORIENTATION_PORTRAIT 2

#define SCREEN_ORIENTATION_DYNAMIC 3

3

SCREEN_ORIENTATION_DYNAMIC


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265

Orientation

.

12

.

.

.

2

.

maScreenSetOrientation(SCREEN_ORIENTATION_DYNAMIC);

:

//Get the screen size.

MAExtent extent = maGetScrSize();

MAExtent maGetScrSize( void )

maGetScrSize()

MAExtent

.MAExtent

typedef int MAExtent

.

.

. Orientation

voidcustomEvent(constMAEvent& event)


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Orientation

.

.

)

:) rotateUI

if(event.type == EVENT_TYPE_SCREEN_CHANGED)

{

rotateUI();

}

EVENT_TYPE_SCREEN_CHANGED

21

.

.

extent MAEXTENT

.

Orientation

.


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269

.

:

rotateUI() .

window.orientation 4

:

90:

.)

landscape(

0: .( /

portrait

.(

-90:

.

180:)( .


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270

Orientation in HTML5

div.background

{

background-color:#f9c456;

margin:0;

}

img.openPanel

{

opacity:0.4;

position:absolute;

filter:alpha(opacity=60); /* For IE8 and earlier */

}

//global variables


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varX;

varY;

varmaxX=1280;//maximum width of screen(Samsung GalaxyTab2 10.1 inch width for base of calculation)

varmaxY=800;//maximum height of screen(Samsung Galaxy Tab210.1 inch height for base of calculation)

window.onload=function()

{

setSize();

}

functionsetSize()

{

X=screen.width;//width of native device

Y=screen.height;//height of native device

//set size for multiple screensupport(tablet,handset(smart phone),...)

//setting background :

$("#bg").css("width",X);

$("#bg").css("height",Y);

//setting openPanelButton:

varopenPanelWidth = parseInt($("#openPanel").css("width"),10);

varwidthCalc=(X*openPanelWidth)/maxX;

$("#openPanel").css("width",widthCalc);

}


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functionrotateUI()

{

if(window.orientation!=180)/*window.orientation==90 ||

window.orientation==-90 || window.orientation==0*/{

//Exchange X and Y dimension

vartemp=X;

X=Y;

Y=temp;

}

//Rearrange background

$("#bg").css("width",0);

$("#bg").css("height",0);

$("#bg").animate({width:'+='+X},"fast");

$("#bg").animate({height:'+='+Y},"fast");

}


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.

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