android: add new build setup script

This installs the required versions for most components, switches us to
Qt 5.15, current SDK, NDK, and the current OpenSSL version.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

packaging/android/android-build-setup.sh

@@ -0,0 +1,62 @@
+#!/bin/bash -eu
+
+# run this in the top level folder you want to create Android binaries in
+#
+# the script requires the Android Command Line Tools to be in cmdline-tools/bin
+#
+
+exec 1> >(tee ./build.log) 2>&1
+
+if [ "$(uname)" != Linux ] ; then
+	echo "only on Linux so far"
+	exit 1
+fi
+
+SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" > /dev/null && pwd )"
+export SUBSURFACE_SOURCE="$SCRIPTDIR"/../..
+
+# these are the current versions for Qt, Android SDK & NDK:
+source "$SCRIPTDIR"/variables.sh
+
+# make sure we were started from the right directory
+if [ ! -d cmdline-tools ] ; then
+	echo "Start from within your Android build directory which needs to already include the Android Cmdline Tools"
+	exit 1
+fi
+
+# make sure we have the required commands installed
+MISSING=
+for i in git cmake autoconf libtool java wget unzip; do
+	command -v $i >/dev/null ||
+		if [ $i = libtool ] ; then
+			MISSING="${MISSING}libtool-bin "
+		elif [ $i = java ] ; then
+			MISSING="${MISSING}openjdk-8-jdk "
+		else
+			MISSING="${MISSING}${i} "
+		fi
+done
+if [ "$MISSING" ] ; then
+	echo "The following packages are missing: $MISSING"
+	echo "Please install via your package manager."
+	exit 1
+fi
+
+# first we need to get the Android SDK and NDK
+export JAVA_HOME=/usr
+export ANDROID_HOME=$(pwd)
+export PATH=$ANDROID_HOME/cmdline-tools/bin:/usr/local/bin:/bin
+rm -rf cmdline-tools/latest
+sdkmanager --sdk_root="$ANDROID_HOME" "ndk;$NDK_VERSION" "cmdline-tools;latest" "platform-tools" "platforms;$ANDROID_PLATFORMS" "build-tools;$ANDROID_BUILDTOOLS_REVISION"
+echo "yyyyyyyy" | sdkmanager --sdk_root=/android --licenses
+
+# next check that Qt is installed
+if [ ! -d "$LATEST_QT" ] ; then
+	aqt install -O /android "$LATEST_QT" linux android -m qtcharts
+fi
+
+# now that we have an NDK, copy the font that we need for OnePlus phones
+# due to https://bugreports.qt.io/browse/QTBUG-69494
+cp "$ANDROID_HOME"/platforms/"$ANDROID_PLATFORMS"/data/fonts/Roboto-Regular.ttf "$SUBSURFACE_SOURCE"/android-mobile || exit 1
+
+echo "things are set up for the Android build"

packaging/android/android-build-wrapper.sh

@@ -1,5 +1,10 @@
 #!/bin/bash -eu
 
+# THIS IS OBSOLETE AN ONLY WORKS UP TO Qt 5.13
+# for now keeping it around for reference
+
+
+
 # run this in the top level folder you want to create Android binaries in
 #
 # it seems that with Qt5.7 (and later) and current cmake there is an odd bug where

packaging/android/variables.sh

@@ -1,16 +1,14 @@
 #!/bin/bash
 # When changing Qt version remember to update the 
 # qt-installer-noninteractive file as well.
-QT_VERSION=5.13
-LATEST_QT=5.13.2
-NDK_VERSION=r18b
-SDK_VERSION=4333796
-ANDROID_BUILDTOOLS_REVISION=28.0.3
+QT_VERSION=5.15
+LATEST_QT=5.15.1
+NDK_VERSION=21.3.6528147
+ANDROID_BUILDTOOLS_REVISION=29.0.3
 ANDROID_PLATFORM_LEVEL=21
 ANDROID_PLATFORM=android-21
-ANDROID_PLATFORMS=android-27
-ANDROID_NDK=android-ndk-${NDK_VERSION}
-ANDROID_SDK=android-sdk-linux
+ANDROID_PLATFORMS=android-29
+ANDROID_NDK=ndk/${NDK_VERSION}
 # OpenSSL also has an entry in get-dep-lib.sh line 103
 # that needs to be updated as well.
-OPENSSL_VERSION=1.1.1d
+OPENSSL_VERSION=1.1.1h

scripts/get-dep-lib.sh

@@ -7,7 +7,7 @@ CURRENT_LIBZIP="rel-1-5-1"
 CURRENT_LIBGIT2="v1.0.1"
 CURRENT_LIBCURL="curl-7_54_1"
 CURRENT_LIBUSB="v1.0.21"
-CURRENT_OPENSSL="OpenSSL_1_1_0h"
+CURRENT_OPENSSL="OpenSSL_1_1_1h"
 CURRENT_LIBSSH2="libssh2-1.8.0"
 CURRENT_XSLT="v1.1.34"
 CURRENT_SQLITE="3190200"
@@ -103,7 +103,7 @@ fi
 
 # FIX FOR ANDROID,
 if [ "$PLATFORM" == "singleAndroid" ] ; then
-	CURRENT_OPENSSL="OpenSSL_1_1_1d"
+	CURRENT_OPENSSL="OpenSSL_1_1_1h"
 # If changing the openSSL version here, make sure to change it in packaging/android/variables.sh also.
 fi
 # no curl and old libs (never version breaks)