Android ICS Emulator for Ubuntu with KVM acceleration supported by Intel VT-x
Eric Adams, a Software Engineer at Intel, will show you step-by-step how to download and install on Ubuntu the latest Android ICS emulator for x86.
Android ICS Emulator for Microsoft Windows with Intel® Hardware Accelerated Execution Manager
Eric Adams, a Software Engineer at Intel, will show you step-by-step how to download and install on Windows the latest Android ICS emulator for x86.
Developing Android Apps with the Intel® Hardware Accelerated Execution Manager
The Benefits of Developing Android Apps with the Intel® Hardware Accelerated Execution Manager
This video shows how any Android developer using an Intel® Architecture (IA) based host PC with Windows, Mac or Linux can greatly speed up Android emulation by leveraging Intel® Virtualization Technology. Side by side comparisons show the performance gains of using the free Intel® HAXM driver with the Intel® x86 Atom™ System Image to deliver much faster boot times, game play, and app execution. Whether you’re coding in Dalvik Java or C/C++ (for NDK apps), and regardless of whether you’re targeting ARM or IA-based smartphones or tablets, this solution will deliver a far superior Android emulation experience for faster testing and debug of your Android apps.
This video shows how any Android developer using an Intel® Architecture (IA) based host PC with Windows, Mac or Linux can greatly speed up Android emulation by leveraging Intel® Virtualization Technology. Side by side comparisons show the performance gains of using the free Intel® HAXM driver with the Intel® x86 Atom™ System Image to deliver much faster boot times, game play, and app execution. Whether you’re coding in Dalvik Java or C/C++ (for NDK apps), and regardless of whether you’re targeting ARM or IA-based smartphones or tablets, this solution will deliver a far superior Android emulation experience for faster testing and debug of your Android apps.
NullPointerException of ViewPager when change orientation
In my last exercise of "ViewPager", when change orientation, NullPointerException will be thrown in onSaveInstanceState()!
May be it's a bug in ViewPager. Note the class ViewPager is currently under early design and development. May be it will be fixed in later updates.
At this moment, my solution is to comment the statement to call super.onSaveInstanceState(outState).
Next:
- Communication between Fragments in ViewPager
May be it's a bug in ViewPager. Note the class ViewPager is currently under early design and development. May be it will be fixed in later updates.
At this moment, my solution is to comment the statement to call super.onSaveInstanceState(outState).
@Override
protected void onSaveInstanceState(Bundle outState) {
//super.onSaveInstanceState(outState);
outState.putInt("tab", getActionBar().getSelectedNavigationIndex());
}
Next:
- Communication between Fragments in ViewPager
Add Android Support Package
I have a old post "Install and setup Compatibility Package" describe how to include Android Support Package in Java Build Path. I try again it recently, it seem that the method no longer work! When work with android.support.v4.app.FragmentActivity, java.lang.ClassNotFoundException will be thrown.
It can be solved by Add Support Library in Eclipse menu.
- New a Android project target Android 3.0 (API Level 11).
- Modify AndroidManifest.xml to specify minSdkVersion and targetSdkVersion:
<uses-sdk android:minSdkVersion="7" android:targetSdkVersion="11"/>
- Add Android Support Library.
Right click on the project in Eclipse, select Android Tools, Add Support Library...
Accept to install Android Support.
- Test it
Modify your activity extends FragmentActivity instead Activity, and import android.support.v4.app.FragmentActivity.
Now you can run it without error.
It can be solved by Add Support Library in Eclipse menu.
- New a Android project target Android 3.0 (API Level 11).
- Modify AndroidManifest.xml to specify minSdkVersion and targetSdkVersion:
<uses-sdk android:minSdkVersion="7" android:targetSdkVersion="11"/>
- Add Android Support Library.
Right click on the project in Eclipse, select Android Tools, Add Support Library...
Accept to install Android Support.
- Test it
Modify your activity extends FragmentActivity instead Activity, and import android.support.v4.app.FragmentActivity.
Now you can run it without error.
How to NFC
Google I/O 2011: How to NFC
Gingerbread brings a comprehensive NFC reader/writer API, and some modest but surprisingly powerful P2P support. Come hear why you should care about NFC technology, what kinds of applications are possible right now, and best practices for deployment.
Near Field Communication (NFC) is a set of short-range wireless technologies, typically requiring a distance of 4cm or less to initiate a connection. NFC allows you to share small payloads of data between an NFC tag and an Android-powered device, or between two Android-powered devices.
Gingerbread brings a comprehensive NFC reader/writer API, and some modest but surprisingly powerful P2P support. Come hear why you should care about NFC technology, what kinds of applications are possible right now, and best practices for deployment.
Near Field Communication (NFC) is a set of short-range wireless technologies, typically requiring a distance of 4cm or less to initiate a connection. NFC allows you to share small payloads of data between an NFC tag and an Android-powered device, or between two Android-powered devices.
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