Setup Necessitas SDK on Windows

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  • 7 July 2011 Update from the maintainer of Necessitas, Android Qt port. They are planning to install Ant and JDK with the Necessitas installer. When that happens we will no longer need to install them separately.

Downloads and Installation locations


Necessitas 0.3 Alpha included the download of Ant. Location: C:lt;Username>-ant-1.8.2

  • WinAnt- Windows installer for Apache Ant.

Binary: winant-install-v7.exe SHA1: e02dbd46418fff6b8258ca358ab22368334e857d Source:

Windows 32-bit platform - C:/Program Files/WinAnt/bin/ant.bat Windows 64-bit platform - C:/Program Files (x86)/WinAnt/bin/ant.bat

  • Apache Ant binary distribution.

Binary: SHA1: 36416061d1ed820583b87a8a924195a681432c6d Source:

JDK (Java Development Kit) and JRE (Java Runtime Environment)

  • JDK (Java Development Kit)

Binary: jdk-7u1-windows-i586.exe SHA1: ed434b8bc132a5bfda031428b26daf7b8331ecb9 Source: "Java Platform, Standard Edition" -> "JDK"-> "Download" button. Choose jdk-7u1-windows-i586.exe in the list and install.

  • JRE (Java Runtime Environment)

Binary: jre-7u1-windows-i586.exe SHA1: 26ec209d66c3b21ef3c7b6c1f3b9fa52466420ed Source: "Java Platform, Standard Edition" -> "JRE"-> "Download" button. Choose jre-7u1-windows-i586.exe in the list and install.

Windows 32-bit platform - C:Files\Javawith subdirectories jdk1.7.0_01 and jre7 Windows 64-bit platform - C:Files (x86)with subdirectories jdk1.7.0_01 and jre7

Necessitas SDK Windows online installer.

Release date: Saturday, 29 October 2011. Version: 0.3 Alpha Binary: necessitas-0.3-online-sdk-installer-windows.exe SHA1: 0f7578946bd43f5a66fc5ffa8120a8eed6c98425 Source:

Download the Windows online installer. Use the default install location suggested by the installer: C:lt;Username>

Ministro Service

Binary: Ministro II.apk SHA1: 82520c34339e405161c36486f7d6e39dcd79ef27 Source:

Binary: MinistroConfigurationTool II.apk SHA1: 94a90ca876cc25f05b786ec10cd09a5543d14d6b Source:

Location: C:_test\Ministro II.apk

  • Hint: Make the whole directory write access and not read only for all of the above! Unblock Ministro.


Create AVD (Android Virtual Device)

C:lt;Username>-sdk-windowsSDK-Manager.exe A popup dialog appears which refreshes the available devices. Ignore it or cancel. NEVER DO Update and install : to get other virtual devices. Stick to the ones Necessitas provides.

On the left you have a selection list. Installed packages It shows you about 8 entries with different versions of Android SDK platforms. Virtual devices Here you create your AVD Click the button new. Give it a name e.g. Android2.3.3. Choose a target e.g. Android 2.3.3 – API level 10. Size : 1024 mb. Snapshot enabled. Skin : HVGA Press the button Create AVD and the name you choose appears in the list.

Android Qt Creator settings

1 2

You only have to set the path to ant.bat. The other fields are filled in automatically. You can see your AVD target you made earlier.


Debug version

In Qt Creator select the build …Arm v 5 Debug and start using the green arrow bug button "Start debugging" or F5. This will make the which you will need later for the next step. It is possible that Qt Creator cannot get through, but that's no problem. The most important is you have the .so file.


Build version

The next step is to choose for build …Arm v 5 Release.


On Tab Manifest

choose for Android 10

On Tab Permissions

android.permission.INTERNET android.permission.WRITE_EXTERNAL_STORAGE

On Tab Libraries

Click the button "Read information from application (must be compiled)" This will read the necessary libraries like You don't have to click the libraries, even if the checkboxes are not checked it will work…

Check the option : "Install Ministro system wide qt shared libraries installer" and click the button "Choose apk" to point to the Ministro-2.0.apk file you installed earlier.

Click Run or CTRL + R Then you see your app icon, it launches and wants to download files (only the first time). Your app will start automatically now.

Have fun!

Appendix : Environment variables

User variables

ANT_HOME C:Files (x86); C:lt;Username>-ant-1.8.2; (Downloaded automatically on Necessitas SDK 0.3 Alpha release.)

JAVA_HOME C:Files\Java\jdk1.7.0_01;

PATH C:Files (x86);C:lt;Username>-sdk-windows\tools;C:lt;Username>

PYTHONHOME C:/Users/<Username>/necessitas/gdb-7.2/python;

System variables

CLASSPATH C:Files (x86)6\lib\ext\

Path (Related Necessitas SDK paths.) C:.7.4\mingw\bin C:lt;Username>-sdk-windows\tools;


QTJAVA C:Files (x86)6\lib\ext\;


Don't know why "Redirect to a more accurate wiki page" does not inherit the article history. Thanks to all contributors from How_to_use_Necessitas_Emulator_on_Windows_7 page.