Android: Rework sdkTargets() to cache the output of adb

Also rename/change highestAvailablePlatform to highestAvailableSdk.
This fixes a bug reported on irc, where the lists for sdk and ndk
were different and the highestAvailablePlatform was not available
as in the sdk.

Change-Id: I17fec9e8ce1913e933ddcf8eaa21d6bb6e14c5be
Reviewed-by: BogDan Vatra <bogdan@kde.org>

src/plugins/android/androidconfigurations.cpp

@@ -224,6 +224,7 @@ void AndroidConfigurations::setConfig(const AndroidConfig &devConfigs)
 
     save();
     updateAvailableNdkPlatforms();
+    updateAvailableSdkPlatforms();
     updateAutomaticKitList();
     updateAndroidDevice();
     emit updated();
@@ -241,25 +242,38 @@ void AndroidConfigurations::updateAvailableNdkPlatforms()
     qSort(m_availableNdkPlatforms.begin(), m_availableNdkPlatforms.end(), qGreater<int>());
 }
 
-QStringList AndroidConfigurations::sdkTargets(int minApiLevel) const
+void AndroidConfigurations::updateAvailableSdkPlatforms()
 {
-    QStringList targets;
+    m_availableSdkPlatforms.clear();
+
     QProcess proc;
     proc.start(androidToolPath().toString(), QStringList() << QLatin1String("list") << QLatin1String("target")); // list avaialbe AVDs
     if (!proc.waitForFinished(-1)) {
         proc.terminate();
-        return targets;
+        return;
     }
     while (proc.canReadLine()) {
         const QString line = QString::fromLocal8Bit(proc.readLine().trimmed());
         int index = line.indexOf(QLatin1String("\"android-"));
         if (index == -1)
             continue;
-        QString apiLevel = line.mid(index + 1, line.length() - index - 2);
-        if (apiLevel.mid(apiLevel.lastIndexOf(QLatin1Char('-')) + 1).toInt() >= minApiLevel)
-            targets.push_back(apiLevel);
+        QString androidTarget = line.mid(index + 1, line.length() - index - 2);
+        int apiLevel = androidTarget.mid(androidTarget.lastIndexOf(QLatin1Char('-')) + 1).toInt();
+        QVector<int>::iterator it = qLowerBound(m_availableSdkPlatforms.begin(), m_availableSdkPlatforms.end(), apiLevel, qGreater<int>());
+        m_availableSdkPlatforms.insert(it, apiLevel);
     }
-    return targets;
+}
+
+QStringList AndroidConfigurations::sdkTargets(int minApiLevel) const
+{
+    QStringList result;
+    for (int i = 0; i < m_availableSdkPlatforms.size(); ++i) {
+        if (m_availableSdkPlatforms.at(i) >= minApiLevel)
+            result << QLatin1String("android-") + QString::number(m_availableSdkPlatforms.at(i));
+        else
+            break;
+    }
+    return result;
 }
 
 FileName AndroidConfigurations::adbToolPath() const
@@ -470,6 +484,8 @@ QString AndroidConfigurations::createAVD(int minApiLevel, QString targetArch) co
     QDialog d;
     Ui::AddNewAVDDialog avdDialog;
     avdDialog.setupUi(&d);
+    // NOTE: adb list targets does actually include information on which abis are supported per apilevel
+    // we aren't using that information here
     avdDialog.targetComboBox->addItems(sdkTargets(minApiLevel));
 
     if (targetArch.isEmpty())
@@ -735,11 +751,11 @@ QStringList AndroidConfigurations::getAbis(const QString &device) const
     return result;
 }
 
-QString AndroidConfigurations::highestAvailableAndroidPlatform() const
+QString AndroidConfigurations::highestAndroidSdk() const
 {
-    if (m_availableNdkPlatforms.isEmpty())
+    if (m_availableSdkPlatforms.isEmpty())
         return QString();
-    return QLatin1String("android-") + QString::number(m_availableNdkPlatforms.first());
+    return QLatin1String("android-") + QString::number(m_availableSdkPlatforms.first());
 }
 
 QString AndroidConfigurations::bestNdkPlatformMatch(const QString &targetAPI) const
@@ -902,6 +918,7 @@ AndroidConfigurations::AndroidConfigurations(QObject *parent)
 {
     load();
     updateAvailableNdkPlatforms();
+    updateAvailableSdkPlatforms();
 
     connect(ProjectExplorer::SessionManager::instance(), SIGNAL(projectRemoved(ProjectExplorer::Project*)),
             this, SLOT(clearDefaultDevices(ProjectExplorer::Project*)));

src/plugins/android/androidconfigurations.h

@@ -124,7 +124,7 @@ public:
     AndroidDeviceInfo showDeviceDialog(ProjectExplorer::Project *project, int apiLevel, const QString &abi);
     void setDefaultDevice(ProjectExplorer::Project *project, const QString &abi, const QString &serialNumber); // serial number or avd name
     QString defaultDevice(ProjectExplorer::Project *project, const QString &abi) const; // serial number or avd name
-    QString highestAvailableAndroidPlatform() const;
+    QString highestAndroidSdk() const;
 public slots:
     void clearDefaultDevices(ProjectExplorer::Project *project);
 
@@ -146,11 +146,14 @@ private:
     int getSDKVersion(const QString &device) const;
     QStringList getAbis(const QString &device) const;
     void updateAvailableNdkPlatforms();
+    void updateAvailableSdkPlatforms();
 
 
     static AndroidConfigurations *m_instance;
     AndroidConfig m_config;
     QVector<int> m_availableNdkPlatforms;
+    QVector<int> m_availableSdkPlatforms;
+
     mutable QHash<QString, QString> m_serialNumberToDeviceName;
 
     QMap<ProjectExplorer::Project *, QMap<QString, QString> > m_defaultDeviceForAbi;

src/plugins/android/androiddeployqtstep.cpp

@@ -158,7 +158,7 @@ void AndroidDeployQtStep::ctor()
     m_verbose = false;
 
     // will be overwriten by settings if the user choose something different
-    m_buildTargetSdk = AndroidConfigurations::instance().highestAvailableAndroidPlatform();
+    m_buildTargetSdk = AndroidConfigurations::instance().highestAndroidSdk();
 
     connect(project(), SIGNAL(proFilesEvaluated()),
            this, SLOT(updateInputFile()));

src/plugins/android/androidmanager.cpp

@@ -620,7 +620,7 @@ bool AndroidManager::createAndroidTemplatesIfNecessary(ProjectExplorer::Target *
         return false;
     }
 
-    updateTarget(target, AndroidConfigurations::instance().sdkTargets(minApiLevel).at(0));
+    updateTarget(target, sdks.first());
     QStringList apps = availableTargetApplications(target);
     if (!apps.isEmpty())
         setTargetApplication(target, apps.at(0));