Herong's Tutorial Examples: Android

EC Cryptography Tutorials - Herong's Tutorial Examples
This EC (Elliptic Curve) cryptography tutorial book is a collection of notes and sample codes written by the author while he was learning cryptography technologies himself. Topics include rule of chord and point addition on elliptic curves; Abelian groups with additive and multiplicative notations; ... 2019-07-06, 584👍, 3💬

💬 2019-07-02 Eleftheria Drosopoulou: Hello Herong, Nice blog! I am editor at Java Code Geeks (www.javacodegeeks.com). We have the JCG program (see www.javacodegeeks....

💬 2019-01-01 Yale: Thank you!

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Android Debug Bridge (adb) Tool
This section describes 'adb install' and 'adb uninstall' commands that allows you to install an application APK package and uninstall it on the connected emulator or device. 2019-02-12, 6712👍, 4💬

💬 2019-02-12 jack: thanks.

💬 2017-04-15 Herong: Joy, If you want to close the command prompt window, just click the "x" on the top right corner of the window. Did you successfu...

💬 2017-04-13 Joy Walter: I have tried the above but the Command Prompt window opened by Android SDK still exists. I am trying to uninstall, can you help?

💬 2016-03-11 Unknown: Thanks

Using "adb logcat" Command for Debugging
This chapter provides tutorial notes on the 'adb logcat' command. Topics include using 'adb logcat' command options and arguments; viewing log buffers: main, events, and radio; creating rotated log files; control log format as 'brief' or 'long'; filtering out log entries by priority and process tag;... 2018-10-11, 2451👍, 1💬

💬 2018-10-11 Jose: Tanks

Building Your Own Web Browser
This section provides a tutorial example on how to use the saveWebArchive() method to save Web page content in WebView to Web archive files in the application's files folder. 2017-11-05, 1101👍, 2💬

💬 2017-11-05 Herong: Igor, the API document is not very clear if saveWebArchive() is asynchronous method or not. But you can write some print stateme...

💬 2017-11-02 Igor Ganapolsky: Does `saveWebArchive()` have to be done asynchronously on a non-ui thread?

Android Debug Bridge (adb) Tool
This section describes commands and options supported by the 'adb' tool. The 'adb help' command can give you details on how to use other 'adb' commands and options. 2017-08-05, 2421👍, 2💬

💬 2017-08-05 Herong: What is the -obb you are referring to?

💬 2017-08-03 AndroidUser: -obb doesn't work 1.0.31,32

Android Tutorials - Herong's Tutorial Examples
This free book is a collection of notes and sample codes written by the author while he was learning Android system. Topics include AAPT, Android, ADB, API, Dalvik, emulator, Java, layout, logcat, shell, SDK, USB, view. 2017-08-01, 2433👍, 1💬

💬 2017-08-01 android example: Hi, i have visited the site and found that this is a good site for developing android examples. Facebook Integration - Android E...

Missing Emulator Engine Program for 'arm' CPUS
This section provides a tutorial example showing the error of 'Missing emulator engine program for arm CPUS' when starting an Android emulator. This is caused missing emulator-arm.exe file in tools folder caused by anti-virus auto delete virus infected files. 2017-07-17, 3893👍, 3💬

💬 2017-07-15 Herong: Shira, what is the error you are getting when you try to uninstall Android SDK?

💬 2017-07-10 shira: hi! i cant success to uninstall the "Android SDK" how I can uninstall it from the terminal? (I use Centos7) thanks!

💬 2015-10-15 noor: help full thanq

"adb logcat" Command Options and Log Buffers
This section describes the 'adb logcat' command options to dump and manage log buffers: main, events, and radio. An example is given to dump logs into a set of rotated log files. 2017-07-11, 2824👍, 2💬

💬 2017-07-11 Rajaneesh Singh: Rajaneesh Singh

PDF Printing Version
Information on how to obtain the PDF version of this book for printing. 2017-05-24, 2173👍, 9💬

💬 2017-05-24 basha: u r too good

💬 2017-04-15 Herong: You are welcome!

💬 2017-04-01 abdul: Thanks for the book

💬 2016-06-06 Jay: Thanks for the book

💬 2015-11-19 kyawzin: Thank you so much

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Android Phone - LG-P925g
This section provides a tutorial example on how to download and install applications from Google's 'Play Store'. Read permissions requested by the application carefully before using the application. 2017-02-21, 391👍, 2💬

💬 2017-02-21 Herong: abdulhaddi, can you write your question in English?

💬 2017-02-17 abdulhaddi: Mere mobail me playstor nahi chal raha or whatsup.imo.youtube.facebook.messeng erye sab download nahi ho rahe plz help

Installing JDK 1.8 on Windows System
This chapter provides tutorial notes on installing JDK (Java Development Kit) on Windows systems. Topics include downloading and installing Java SE Development Kit 8u45; compiling and executing Java programs; setting up JAVA_HOME environment variable. 2017-01-23, 1730👍, 3💬

💬 2017-01-23 aaa: ok

💬 2015-12-29 raghu: thanks

Android Command Line Shell
This chapter provides tutorial notes on Android command line shell. Topics include introduction of Bourne Shell; Unix/Linux command line programs; Android command line tools; running Java application on Dalvik VM. 2017-01-20, 766👍, 1💬

💬 2017-01-20 android shell: hi , I have made a similar tutorial , but for Android. https://kickwe.com/tutorial/amp/andr oid-shell-script/

USB Debugging Applications on LG-P925g Phone
This section provides a tutorial example on how to view the LG Android USB device in Windows Control Panel and see its detailed properties. 2017-01-09, 378👍, 1💬

💬 2017-01-09 beto: congratulations

Outdated Tutorials
This section describes 'adb push' and 'adb pull' commands, which allows you to copy files to and from the remote Android emulator or device. 2016-10-20, 227👍, 2💬

💬 2016-10-20 Herong: Peter, this tutorial is outdated, because it was based on the outdated SDK version: Android SDK R17. "push" and "pull" commands ...

💬 2016-10-19 peter chatterton: What do you mean by 'outdated'? Are push and pull impossible not or just unsupported? Great site BTW!! Because of the Dummies bo...

Installing Adobe Reader APK File
This section provides a tutorial example on how to install the Adobe Reader APK file to the Android emulator using the 'adb' tool provided in the SDK package. Adobe Reader runs ok on the emulator. But it failed to show PDF files in the /sdcard/Download folder. 2016-10-02, 2274👍, 1💬

💬 2016-10-02 Nadeem: Great Stuff!!!

Android Tablet - LG-V905R
This section provides a tutorial example on how to view basic information a LG-V905R Android tablet, running Android 3.0.1. 2016-09-09, 108👍, 1💬

Using "adb logcat" Command for Debugging
This section describes how to use the 'adb logcat -v' command option to control the format of log entries. 'adb logcat -v long' dumps all data elements of each log entry. 2016-08-02, 4302👍, 2💬

💬 2016-08-02 Herong: jayakrishna, I don't think Android is recording log entries in microsecond accuracy.

💬 2016-07-22 jayakrishna: here logcat is having milli sec accuracy, is it possible to get in micro seconds?

What Is APK File Format?
This section describes the Android application package (APK) file, which is really a ZIP archive file that holds all binary codes, resources and other data required by the Android application. 2016-06-07, 1925👍, 1💬

💬 2016-06-07 nultymc: Android application package (APK) is the package file format used by the Android operating system for distribution and installat...

View Objects and Layout Resource Files
This section describes the android.view.View class which is the basic building block for all user interface components. Android SDK provides over 50 different specific views based on the android.view.View class to help you develop GUI (Graphical User Interface) applications. 2016-05-26, 357👍, 1💬

💬 2016-05-26 Buckstabue: Thank you so much! I have not known most of listed classes although I'm not a novice in android developing

Android Debug Bridge (adb) Tool
This chapter provides tutorial notes on the Android Debug Bridge (adb) tool. Topics include quick introduction of Android Debug Bridge (adb); using 'adb install/uninstall' commands to install applications; using 'adb shell' command to manage the device; using 'adb push/pull' commands to copy files. 2016-05-05, 1081👍, 1💬

💬 2016-05-05 lg: Please update the form and submit it again.

Copy PDF File to Android Emulator's File System
This section provides a tutorial example on how to copy PDF files to the Android emulator's file system using the 'adb' tool provided in the SDK package. 2016-04-19, 837👍, 2💬

💬 2016-04-19 Herong: Pankaj, you are welcome!

💬 2016-04-11 Pankaj Kumar: Thank you so much. It was really helpful for me.

Installing LG USB Device Driver on Windows
This section provides a tutorial example on how to install the LG USB device driver for LG-P925g Android phone on Windows system. This is needed to test your Android application developed on Windows on LG phones via a USB connection. 2016-03-24, 5628👍, 7💬

💬 2016-03-24 vamshi: hi hi hi

💬 2015-08-27 Herong: Renee, did you double-click on the downloaded file to actually install the driver to your computer?

💬 2015-08-26 Renee' Flory: Even after I download the program, the Driver Software Installation box does not come up. Even as the phone receives a charge fr...

Android 4.0.3 File Systems
This section describes file systems used by the Android 4.0.3 emulator system. 8 file systems are supported in the Android emulator: /dev, /mnt/asec, /mnt/obb, /system, /data, /cache, /mnt/sdcard, and /mnt/secure/asec. 2016-03-08, 101👍, 1💬

Build Process and Package File Content
This section describes the 'aapt package' command to perform the resource code generation step in the Android project build process. The main output is the R.java file in the .\gen folder. 2016-02-27, 867👍, 2💬

💬 2016-02-27 Herong: Hashim, I don't have any videos on "aapt package" at this moment. If anyone has any, please help.

💬 2016-02-26 Hashim km: could you please provide us some videos regarding "aapt package"

Android Debug Bridge (adb) Tool
This section describes the Android Debug Bridge (adb) tool, which allows you to manage an Android emulator or connected Android device like install application APK files. 2016-01-28, 860👍, 6💬

💬 2016-01-28 Herong: Xeni, can you find out the name of the directory where Android SDK is installed?

💬 2016-01-28 Xeni: yes, I know. It is in a special folder on Disk C.

💬 2016-01-27 Herong: Xeni, I think the issue you had was caused by the installation location of the Android SDK. Do you know in which directory your ...

💬 2016-01-27 xeni: Thank you for quick response. I have got: Windows_NT

💬 2016-01-27 Herong: Xeni, Can you type in the following and see what you are getting: echo %OS%

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