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Widget - Java file··································································································································· 793Widget - Manifest file ··························································································································· 79480. XML PARSER ····················································································································· 803XML - Elements ····································································································································· 803XML - Parsing ········································································································································ 804xv
1. OVERVIEWAndroidWhat is Android?Android is an open source and Linux-based Operating System for mobiledevices such as smartphones and tablet computers. Android was developed bythe Open Handset Alliance, led by Google, and other companies.Android offers a unified approach to application development for mobile deviceswhich means developers need to develop only for Android, and their applicationsshould be able to run on different devices powered by Android.The first beta version of the Android Software Development Kit (SDK) wasreleased by Google in 2007, whereas the first commercial version, Android 1.0,was released in September 2008.On June 27, 2012, at the Google I/O conference, Google announced the nextAndroid version, 4.1 Jelly Bean. Jelly Bean is an incremental update, with theprimary aim of improving the user interface, both in terms of functionality andperformance.The source code for Android is available under free and open source softwarelicenses. Google publishes most of the code under the Apache License version2.0 and the rest, Linux kernel changes, under the GNU General Public Licenseversion 2.Features of AndroidAndroid is a powerful operating system competing with Apple 4GS and supportgreat features. Few of them are listed below:FeatureDescriptionBeautiful UIAndroid OS basic screen provides a beautiful and intuitiveuser interface.ConnectivityGSM/EDGE, IDEN, CDMA, EV-DO, UMTS, Bluetooth, Wi-Fi,LTE, NFC and WiMAX.StorageSQLite, a lightweight relational database, is used for datastorage purposes.1
Page 1 and 2: Cover page
Page 3 and 4: Table of ContentsAbout the Tutorial
Page 5 and 6: Content URIs ···········
Page 7 and 8: 20. NOTIFICATIONS ········
Page 9 and 10: 36. DATA BACKUP ·········
Page 11 and 12: Installing python·········
Page 13 and 14: 62. SCREEN CAST ·········
Page 15: Understanding Screen Components ·
Page 19 and 20: Androidand is growing fast. Every d
Page 21 and 22: Androidsetenv PATH /usr/local/jdk1.
Page 23 and 24: AndroidAfter a successful startup,
Page 25 and 26: AndroidNow select all the listed pl
Page 27 and 28: 3. ARCHITECTUREAndroidAndroid opera
Page 29 and 30: Android4. APPLICATIONS COMPONENTApp
Page 31 and 32: Android}We will go through these ta
Page 33 and 34: AndroidAnatomy of Android Applicati
Page 35 and 36: Androidresources found in your proj
Page 37 and 38: Android<activityandroid:name=".Main
Page 39 and 40: Android}}public static final class
Page 41 and 42: AndroidCongratulations! You have de
Page 43 and 44: Androidcolor/XML files that define
Page 45 and 46: AndroidBelow is another example whi
Page 47 and 48: AndroidThis application code will l
Page 49 and 50: Androiduser.onResume()This is calle
Page 51 and 52: Android}super.onPause();Log.d(msg,
Page 53 and 54: AndroidLet us try to click Red butt
Page 55 and 56: AndroidTo create a service, you cre
Page 57 and 58: Android/** Called when the service
Page 59 and 60: Androidpackage com.example.hellowor
Page 61 and 62: Androidandroid:minSdkVersion="8"and
Page 63 and 64: AndroidNow to start your service, l
Page 65 and 66: 9. BROADCAST RECEIVERSAndroidBroadc
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Androidby the data.android.intent.a
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Androidimport android.os.Bundle;imp
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Android<receiver android:name="MyRe
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AndroidYou can try implementing oth
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Androidauthority This specifies the
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Androidimport android.net.Uri;impor
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Androidimport android.content.Conte
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Android}}@Overridepublic boolean on
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Androidint count = 0;switch (uriMat
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Androidandroid:versionCode="1"andro
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Android<string name="action_setting
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AndroidYou can write activities aga
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AndroidThe application can embed tw
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AndroidCorresponding to each fragme
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Android}* Check the device orientat
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AndroidFollowing is the content of
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Android<string name="app_name">MyFr
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12. INTENTS & FILTERSAndroidAn Andr
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Android5 ACTION_EDIT content://cont
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AndroidFollowing example shows the
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Androidandroid:orientation="vertica
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AndroidNow click on Start Browser b
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AndroidExample:Following example is
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Android// Third intent to use LAUNC
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Android</LinearLayout>Following wil
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AndroidLet's try to run your Intent
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AndroidNow go back using back butto
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AndroidOnce your layout is defined,
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Androidandroid:paddingLeftThis is t
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AndroidFollowing is a brief descrip
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Android1 TextViewThis control is us
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15. EVENT HANDLINGAndroidEvents are
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AndroidBut if you have applied the
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Android}}Following will be the cont
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Android/></intent-filter></activity
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Android//--- find both the buttons-
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AndroidFollowing are the simple ste
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17. STYLES & THEMESAndroidIf you al
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AndroidStyle InheritanceAndroid sup
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AndroidAndroid Styles (styles.xml)A
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Android}}super(context, attrs, defS
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AndroidCustom Component with Custom
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Androidandroid:paddingTop="@dimen/a
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AndroidEnded: Just after the action
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AndroidThe combination of the onDra
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Android@Overridepublic boolean onLo
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Android<?xml version="1.0" encoding
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AndroidNow do long click on the dis
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AndroidCreate and Send Notification
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AndroidS.N. Constants & Description
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Android3 Create a new Java file src
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AndroidNotificationCompat.Builder m
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AndroidPendingIntent resultPendingI
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Android</LinearLayout>Following wil
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AndroidNow click Start Notification
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Android/* Increase notification num
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Android21. LOCATION-BASED SERVICESA
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Android18 void setSpeed(float speed
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Android5 setNumUpdates(int numUpdat
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Android3 Modify src/MainActivity.ja
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Android@Overrideprotected void onCr
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AndroidDouble.toString(currentLocat
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Android}address.getAddressLine(0) :
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Androidandroid:minSdkVersion="8"and
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AndroidYou can try by disconnecting
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AndroidA String[] holding e-mail ad
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Page 205 and 206:
AndroidYou can modify either of the
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AndroidArrayList<PendingIntent> sen
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Android}protected void sendSMSMessa
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AndroidFollowing will be the conten
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AndroidSelect your mobile device as
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Android5 Modify AndroidManifest.xml
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24. PHONE CALLSAndroidAs such every
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Androidandroid:versionCode="1"andro
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Android211
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Androidautomatically handle the dow
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AndroidEnter your password to prote
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AndroidFinally, you click on Finish
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26. ALERT DIALOG TUTORIALAndroidSom
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Androidres/layout/activity_positive
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Android}public boolean onCreateOpti
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Android<string name="app_name">Aler
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Android229
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AndroidNow just tap the button hell
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AndroidNow press back button on you
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Android5 cancel()This method cancel
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Androidimport android.view.MenuItem
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Androidandroid:id="@+id/imageView1"
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Androidandroid:interpolator="@andro
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Androidandroid:label="@string/app_n
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AndroidNow just select the Zoom in,
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AndroidNow just select the fade in/
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Android4 setAudioEncoder()This meth
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AndroidmyAudioRecorder = new MediaR
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Androidtools:context=".MainActivity
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Android</resources>Here is the cont
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AndroidNow just press stop button a
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29. AUDIO MANAGERAndroidYou can eas
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Androidcreating this project, make
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Android}else{}}@Overridepublic bool
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Android<Buttonandroid:id="@+id/butt
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AndroidLet's try to run your Androi
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AndroidNow just select the ring but
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AndroidNow press the vibrate button
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AndroidSr.NoMethod & description1 g
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AndroidsetContentView(R.layout.acti
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Androidandroid:layout_alignParentLe
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Android</manifest>Let's try to run
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AndroidThe multiAutoCompleteTextVie
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AndroidBest Practices - Performance
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Android}setContentView(R.layout.act
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Androidandroid:layout_height="wrap_
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Androidandroid:allowBackup="true"an
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AndroidNow you will see the hint in
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32. BLUETOOTHAndroidAmong many ways
Page 317 and 318:
AndroidSteps Description1 You will
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AndroidToast.LENGTH_LONG).show();}}
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Androidandroid:text="@string/app_na
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Android<uses-permission android:nam
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AndroidNow just select the Get Visi
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AndroidNow just select the Turn off
Page 331 and 332:
AndroidIt is used to specify the si
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Androidpublic class MainActivity ex
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Androidandroid:textAppearance="?and
Page 337 and 338:
Page 339 and 340:
AndroidJust press the tic (green) b
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Androidprivate Camera theCamera;}pu
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Androidimport android.graphics.Bitm
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Android}}Create the new java file c
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Androidandroid:onClick="snapIt"andr
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34. CLIPBOARDAndroidAndroid provide
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AndroidThis method sets the current
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Android}Toast.LENGTH_SHORT).show();
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Androidandroid:id="@+id/button1"and
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Android</activity></application></m
Page 361 and 362:
AndroidNow just press the paste but
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Android4 defaultFromStyle(int style
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Android<TextViewandroid:id="@+id/he
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AndroidAs you can see that the text
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AndroidThe last thing you need to d
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Androidpackage="com.example.backup"
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Androidadb shell bmgr enable trueIf
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Androidcode.7 sqlite3Lets you acces
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AndroidMaking CallIn the DDMS, sele
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AndroidNow click on hang-up in the
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AndroidUsing Sqlite3 directlyCopy a
Page 383 and 384:
AndroidOnce it is launched, press C
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AndroidRing Volume downEmulator - S
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AndroidEmulator - Transferring file
Page 389 and 390:
AndroidRegistering your application
Page 391 and 392:
AndroidNext thing you need is to de
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Androidimport android.view.View;imp
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AndroidNow just tap on the image lo
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AndroidNow just select the post but
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AndroidScaleGestureDetector SGD;SGD
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Androidandroid:layout_width="match_
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Android391
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AndroidNow just place two fingers o
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41. GOOGLE MAPSAndroidAndroid allow
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AndroidEnable/Disable zoomYou can a
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AndroidDownload and configure. Goog
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AndroidCopy the SHA1 key because yo
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AndroidMarker TP = googleMap.addMar
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Android<activityandroid:name="com.e
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AndroidNow what you need to do is t
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AndroidThis method copy this bitmap
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Androidprivate Bitmap operation;@Ov
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Androidfor(int j=0; j<bmp.getHeight
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Androidandroid:layout_height="wrap_
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AndroidLet's try to run our Image E
Page 435 and 436:
AndroidNow tap on the bright button
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43. IMAGE SWITCHERAndroidSometimes
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AndroidExample:The below example de
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AndroidAnimation out = AnimationUti
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Android</RelativeLayout>Following i
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AndroidNow if you will look at your
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44. INTERNAL STORAGEAndroidAndroid
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Androidwith this stream.3 getFD()Th
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AndroidToast.LENGTH_SHORT).show();}
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Androidandroid:id="@+id/editText1"a
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AndroidLet's try to run our Storage
Page 457 and 458:
AndroidNow when you press the load
Page 459 and 460:
AndroidCloses the resource containi
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AndroidOnce in the folder, type thi
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AndroidJetPlayer jetPlayer = JetPla
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AndroidJSON - ElementsA JSON file c
Page 467 and 468:
Page 469 and 470:
Android}}Following is the content o
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Android}}public void fetchJSON(){Th
Page 473 and 474:
Android<TextViewandroid:id="@+id/te
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Android<EditTextandroid:id="@+id/ed
Page 477 and 478:
AndroidLet's try to run our JSONPar
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47. LINKEDIN INTEGRATIONAndroidAndr
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AndroidSr.NoMethod & description1 a
Page 483 and 484:
Page 485 and 486:
Page 487 and 488:
Page 489 and 490:
AndroidNow just select LinkedIn fro
Page 491 and 492:
Android3 setIndeterminate(boolean i
Page 493 and 494:
Android<RelativeLayoutxmlns:android
Page 495 and 496:
Page 497 and 498:
49. LOCALIZATIONAndroidAn android a
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Android7 FrenchCode: fr. Folder nam
Page 501 and 502:
Page 503 and 504:
AndroidLet's try to run our Localiz
Page 505 and 506:
50. LOGIN SCREENAndroidA login appl
Page 507 and 508:
Android5 Modify the res/values/stri
Page 509 and 510:
AndroidFollowing is the modified co
Page 511 and 512:
Androidandroid:layout_centerHorizon
Page 513 and 514:
AndroidLet's try to run our Login a
Page 515 and 516:
AndroidDo this two more time, and y
Page 517 and 518:
51. MEDIA PLAYERAndroidAndroid prov
Page 519 and 520:
Page 521 and 522:
AndroidToast.LENGTH_SHORT).show();m
Page 523 and 524:
Android}Toast.makeText(getApplicati
Page 525 and 526:
Androidandroid:src="@android:drawab
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Android<?xml version="1.0" encoding
Page 529 and 530:
Page 531 and 532:
AndroidUptill now, the music has be
Page 533 and 534:
52. MULTITOUCHAndroidMulti-touch ge
Page 535 and 536:
Android7 getXPrecision()This method
Page 537 and 538:
Android}case MotionEvent.ACTION_MOV
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Androidandroid:layout_alignLeft="@+
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Android<manifest xmlns:android="htt
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Page 545 and 546:
AndroidYou will see that the data i
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AndroidIt can be done by overriding
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Android<RelativeLayoutxmlns:android
Page 553 and 554:
Android</resources>Here is the cont
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AndroidNow just press the go to act
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AndroidNow again go to activity2 an
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Android2 Disconnected3 Disconnectin
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Android3 Create src/DownloadWebPage
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Androidimport android.widget.Toast;
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AndroidHere is the content of activ
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AndroidHere is the content of Andro
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AndroidNow press the Download WebPa
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Android<uses-sdk android:minSdkVers
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56. PHP/MYSQLAndroidHere, in this c
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Android$data = $row[0];if($data){ec
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Androidecho $data;}mysqli_close($co
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Androidpublic void loginPost(View v
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Androidbreak;}in.close();return sb.
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Android</EditText><EditTextandroid:
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Android<string name="Choose">Choose
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AndroidNow press the Get button, wa
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57. PROGRESS CIRCLEAndroidThe easie
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AndroidLet's try to run your Progre
Page 603 and 604:
AndroidJust press the button to sta
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AndroidThis method is used to updat
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Androidsleep(200);jumpTime += 5;pro
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AndroidThis is the default AndroidM
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Page 613 and 614:
AndroidIt will continuously update
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AndroidSr.NoMethod & description1 c
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Androidpublic boolean onCreateOptio
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Androidandroid:layout_width="wrap_c
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Android<applicationandroid:allowBac
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AndroidNow click on the notify butt
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60. RENDERSCRIPTAndroidThis chapter
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AndroidSr.NoAPIs1 android.renderscr
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61. RSS READERAndroidRSS stands for
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AndroidThe method getEventType retu
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Android}public String getTitle(){re
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Android}}}});thread.start();Modify
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AndroidLet's try to run your RSSRea
Page 645 and 646:
62. SCREEN CASTAndroidAndroid Scree
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AndroidIf everything work fine, you
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63. SDK MANAGERAndroidTo download a
Page 651 and 652:
AndroidJust Enter the proxy and run
Page 653 and 654:
64. SENSORSAndroidMost of the andro
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Androidmatrix.7 getAltitude(float p
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Android}}Following is the modified
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65. SESSION MANAGEMENTAndroidSessio
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Android3 Create New Activity and it
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Androidpublic boolean onCreateOptio
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Androidandroid:layout_below="@+id/t
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AndroidType in your username and pa
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AndroidNow click on Exit without lo
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AndroidNow click on logout button,
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Android4 SipProfileDefines a SIP pr
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67. SPELLING CHECKERAndroidThe Andr
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Androidyou Target SDK and Compile W
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Android3);}@Overridepublic void onG
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AndroidNow what you need to do is t
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68. SQLITE DATABASEAndroidSQLite is
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AndroidThere are other functions av
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Android10 Run the application and c
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Android@Overridepublic boolean onOp
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Androidmydb = new DBHelper(this);Bu
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Android}public boolean onOptionsIte
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Android}}}int Value = extras.getInt
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Android@Overridepublic void onCreat
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AndroidArrayList array_list = new A
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Androidandroid:layout_alignBaseline
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Android<menu xmlns:android="http://
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AndroidIt will display the followin
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AndroidNow our contact john has bee
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AndroidSelect Yes from the above sc
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Android4 v13 Support LibraryThis li
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70. TESTINGAndroidThe Android frame
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AndroidMonkeyThe UI/Application Exe
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Androidpublic void activity1(View v
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Androidandroid:id="@+id/button1"and
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Android6 CHINAOnce you have set the
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Androidprivate EditText write;@Over
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Androidandroid:layout_marginBottom=
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AndroidLet's try to run your TextTo
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AndroidNow just type some text in t
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72. TEXTURE VIEWAndroidIf you want
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AndroidExampleThe below example dem
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Android}} catch (IOException t) {}m
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AndroidThis screen has alpha proper
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73. TWITTER INTEGRATIONAndroidAndro
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AndroidIf everything works fine, yo
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AndroidExampleHere is an example de
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Android}}Following is the modified
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Android<intent-filter><action andro
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AndroidNow just tap on the image lo
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74. UI DESIGNAndroidWe will look at
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AndroidAbsoluteLayoutThe AbsoluteLa
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AndroidSpecifies the height of the
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75. UI PATTERNSAndroidThis chapter
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AndroidAcknowledgingWhen we display
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76. UI TESTINGAndroidAndroid SDK pr
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AndroidAfter that, you will see the
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AndroiduiautomatorNow you can creat
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Androidimport android.view.Menu;imp
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AndroidHere is the content of Andro
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77. WEBVIEWAndroidWebView is a view
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Android}return true;}Following is t
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Android<uses-sdkandroid:minSdkVersi
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78. WI-FIAndroidAndroid allows appl
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AndroidTo experiment with this exam
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Androidfor(int i = 0; i < wifiScanL
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Androidandroid:name="com.example.wi
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79. WIDGETSAndroidA widget is a sma
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AndroidExampleHere is an example de
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AndroidFollowing is the modified co
Page 815 and 816:
Android<applicationandroid:allowBac
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AndroidNow just tap on the widget b
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80. XML PARSERAndroidXML stands for
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Android}break;}}event = myParser.ne
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Android7 Run the application and ch
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Androidhumidity = myParser.getAttri
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Android<EditTextandroid:id="@+id/ed
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Androidandroid:label="@string/app_n
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AndroidNow when you press the weath
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