Using Qt for Android - Revision history

Daniel at 22:16, 20 January 2019

2019-01-20T22:16:29Z

Daniel at 17:46, 13 January 2019

2019-01-13T17:46:07Z

Daniel at 17:30, 13 January 2019

2019-01-13T17:30:59Z

Daniel at 17:18, 13 January 2019

2019-01-13T17:18:45Z

Daniel at 16:38, 13 January 2019

2019-01-13T16:38:06Z

Daniel: Removed redirect to Using Qt for Android (July 2017)

2019-01-13T16:02:38Z

Removed redirect to Using Qt for Android (July 2017)

Daniel: Daniel moved page Using Qt for Android to Using Qt for Android (July 2017)

2019-01-13T16:01:00Z

Daniel moved page Using Qt for Android to Using Qt for Android (July 2017)

New page

#REDIRECT [[Using Qt for Android (July 2017)]]

@@ Line 2: / Line 2: @@
 = Installation =
 * Qt 5.12.0
-* QtCreator 4.8.0
+* QtCreator 4.8.1
+* Android Studio 3.3
 == Qt libraries and QtCreator ==
-In the website of Qt, [https://info.qt.io/download-qt-for-application-development download the Qt installer open-source application development].  Then go to the directory where it is downloaded, make it executable and run it as root:
+In the website of Qt, [https://www.qt.io/download download the Qt installer open-source application development].  Then go to the directory where it is downloaded, make it executable and run it as root:
 <pre>
@@ Line 25: / Line 22: @@
 [[File:qtinst2.png]]
-Make sure that the Tools and a version of the Qt libraries are selected, inside it also select the android packages:
+Make sure that the Tools and a version of the Qt libraries are selected, inside it also select the android packages (you can remove the sources packages and save some storage space):
-[[File:qtinst3.png]]
+[[File:qtinst3b.png]]
 Once the installation is finished you can add the ''qtcreator'' executable to the system PATH or link into a directory that is already in it:
@@ Line 37: / Line 34: @@
 == Android Tools & SDK ==
-To install the android tools follow the next instructions (the recommended version for now is r25.2.5). The first step is to download it and decompress it:
+We will use the [https://developer.android.com/studio/ Android Studio (that you can download here)] to install the necessary Android components. Go to the directory where it was downloaded, unzip it and execute it:
 <pre>
-sudo mkdir -p /opt/android
+unzip android-studio-ide-xxx.yyyyyyy-linux.zip
-wget https://dl.google.com/android/repository/tools_r25.2.5-linux.zip
+cd android-studio/bin
-mkdir android-sdk
+./studio.sh
 </pre>
-Then execute it to download the rest of the components:
+On the next screen, there is no need to import anything, but you can do it if you have a previous installation:
-<pre>
-cd tools
+[[File:As01.png]]
-./android update sdk
-</pre>
+Then select custom installation:
-Make sure that ''Android SDK Platform-tools'', ''Android SDK Build-tools'' and at least one of the ''Android API'' are selected:
+Then select the "Android Virtual Device" option to be able to test the android applications in a simulated device in your computer. You can also change the installation path of the android components (for example, I like to have them in the hidden directory ".Android" inside the home of my user account):
-[[File:Androidtools1.png]]
+[[File:As03.png]]
-[[File:Androidtools2.png]]
+Then review the configuration and wait till all the android components are installed. When the starting window of the Android Studio start (if it does not start automatically, then launch it again) click on "Configure -> SDK Manager".  Inside the SDK Manager click on "SDK Tools" and install the NDK component as shown in the picture:
-Then accept the license and after the installation is finish move the Android SDK to an accessible directory.
+[[File:As05.png]]
-The next step is to install the Android NDK (version r10e is recommended by Qt). Download it, uncompress it and copy it to the same directory as the SDK with the following commands:
+You can install other SDK platforms to support older versions of Android.
 == Integrate Android Tools in QtCreator ==
-First install the necessary dependencies:
+First install the necessary dependencies, which include the java openjdk version 8, as newer ones might not work:
 <pre>
-sudo apt install libstdc++6:i386 libgcc1:i386 zlib1g:i386 libncurses5:i386 libsdl1.2debian:i386
+sudo apt install libstdc++6:i386 libgcc1:i386 zlib1g:i386 libncurses5:i386 libsdl1.2debian:i386 openjdk-8-jdk openjdk-8-jre
 </pre>
 Then open QtCreator and go to the menu ''Tools -> Options -> Devices -> Android''. There set the paths to the different components as shown in the next image:
-[[File:Qtcreatorandroid.png]]
+[[File:Qtandroid01.png]]
-Then check in the menu ''Tools -> Options -> Build & Run -> Kits'' that the Android Kits appear:
+If all goes fine, the QtCreator building Kits for Android are automatically added:
-[[File:Qtcreatorandroid2.png]]
+[[File:Qtandroid02.png]]
 From that moment QtCreator will be able to compile and generate apk files from your Qt applications so that they can be executed in Android.
 = Older Instructions =
 * [[Using Qt for Android (July 2017)]]

@@ Line 91: / Line 91: @@
 == Java ==
 sudo update-alternatives --config java
-/usr/lib/jvm/java-11-openjdk-amd64/
+/usr/lib/jvm/java-8-openjdk-amd64/
 = Older Instructions =
 * [[Using Qt for Android (July 2017)]]

@@ Line 90: / Line 90: @@
 == Java ==
 /usr/lib/jvm/java-11-openjdk-amd64/
 = Older Instructions =
 * [[Using Qt for Android (July 2017)]]

@@ Line 88: / Line 88: @@
 From that moment QtCreator will be able to compile and generate apk files from your Qt applications so that they can be executed in Android.
 = Older Instructions =
 * [[Using Qt for Android (July 2017)]]

@@ Line 1: / Line 1: @@
 = Installation =
 == Qt libraries and QtCreator ==
@@ Line 7: / Line 13: @@
 <pre>
-chmod 777 qt-unified-linux-x64-3.0.0-online.run
+chmod 777 qt-unified-linux-x64-3.0.6-online.run
-sudo ./qt-unified-linux-x64-3.0.0-online.run
+sudo ./qt-unified-linux-x64-3.0.6-online.run
 </pre>
@@ Line 43: / Line 49: @@
 <pre>
 cd tools
-./android
+./android update sdk
 </pre>
@@ Line 70: / Line 76: @@
 First install the necessary dependencies:
 <pre>
-sudo apt-get install libstdc++6:i386 libgcc1:i386 zlib1g:i386 libncurses5:i386 libsdl1.2debian:i386 libgl1-mesa-dev openjdk-8-jdk ant
+sudo apt install libstdc++6:i386 libgcc1:i386 zlib1g:i386 libncurses5:i386 libsdl1.2debian:i386
 </pre>

← Older revision		Revision as of 16:02, 13 January 2019
Line 1:		Line 1:
−	~~#REDIRECT~~ [[Using Qt for Android (July 2017)]]	+
		+	= Installation =
		+
		+	== Qt libraries and QtCreator ==
		+
		+	In the website of Qt, [https://info.qt.io/download-qt-for-application-development download the Qt installer open-source application development]. Then go to the directory where it is downloaded, make it executable and run it as root:
		+
		+	<pre>
		+	chmod 777 qt-unified-linux-x64-3.0.0-online.run
		+	sudo ./qt-unified-linux-x64-3.0.0-online.run
		+	</pre>
		+
		+	When the next window appears then click on ''skip'' to continue without registering:
		+
		+	[[File:qtinst1.png]]
		+
		+	Then choose the installation path, the default one is usually a good choice:
		+
		+	[[File:qtinst2.png]]
		+
		+	Make sure that the Tools and a version of the Qt libraries are selected, inside it also select the android packages:
		+
		+	[[File:qtinst3.png]]
		+
		+	Once the installation is finished you can add the ''qtcreator'' executable to the system PATH or link into a directory that is already in it:
		+	<pre>
		+	sudo ln -sf /opt/Qt/Tools/QtCreator/bin/qtcreator.sh /usr/local/bin/qtcreator
		+	</pre>
		+
		+
		+	== Android Tools & SDK ==
		+
		+	To install the android tools follow the next instructions (the recommended version for now is r25.2.5). The first step is to download it and decompress it:
		+	<pre>
		+	sudo mkdir -p /opt/android
		+	wget https://dl.google.com/android/repository/tools_r25.2.5-linux.zip
		+	mkdir android-sdk
		+	cd android-sdk
		+	unzip ../tools_r25.2.5-linux.zip
		+	</pre>
		+
		+	Then execute it to download the rest of the components:
		+	<pre>
		+	cd tools
		+	./android
		+	</pre>
		+
		+	Make sure that ''Android SDK Platform-tools'', ''Android SDK Build-tools'' and at least one of the ''Android API'' are selected:
		+
		+	[[File:Androidtools1.png]]
		+
		+	[[File:Androidtools2.png]]
		+
		+	Then accept the license and after the installation is finish move the Android SDK to an accessible directory.
		+	<pre>
		+	cd ../..
		+	sudo mv android-sdk/ /opt/android/
		+	</pre>
		+
		+	The next step is to install the Android NDK (version r10e is recommended by Qt). Download it, uncompress it and copy it to the same directory as the SDK with the following commands:
		+
		+	<pre>
		+	wget https://dl.google.com/android/repository/android-ndk-r10e-linux-x86_64.zip
		+	unzip android-ndk-r10e-linux-x86_64.zip
		+	sudo mv android-ndk-r10e /opt/android/android-ndk
		+	</pre>
		+
		+	== Integrate Android Tools in QtCreator ==
		+
		+	First install the necessary dependencies:
		+	<pre>
		+	sudo apt-get install libstdc++6:i386 libgcc1:i386 zlib1g:i386 libncurses5:i386 libsdl1.2debian:i386 libgl1-mesa-dev openjdk-8-jdk ant
		+	</pre>
		+
		+	Then open QtCreator and go to the menu ''Tools -> Options -> Devices -> Android''. There set the paths to the different components as shown in the next image:
		+
		+	[[File:Qtcreatorandroid.png]]
		+
		+	Then check in the menu ''Tools -> Options -> Build & Run -> Kits'' that the Android Kits appear:
		+
		+	[[File:Qtcreatorandroid2.png]]
		+
		+	From that moment QtCreator will be able to compile and generate apk files from your Qt applications so that they can be executed in Android.
		+
		+	= Older Instructions =
		+	* [[Using Qt for Android (July 2017)]]