diff --git a/src/plugins/android/androidconfigurations.cpp b/src/plugins/android/androidconfigurations.cpp
index be5f6df96194bd9676ce001c15f8852979431e7e..ccefeef4e248c2e5f36a901802bdcc37535b0ad3 100644
--- a/src/plugins/android/androidconfigurations.cpp
+++ b/src/plugins/android/androidconfigurations.cpp
@@ -347,8 +347,10 @@ void AndroidConfig::updateAvailableSdkPlatforms() const
 
     m_availableSdkPlatforms.clear();
     AndroidSdkManager sdkManager(*this);
-    m_availableSdkPlatforms = sdkManager.availableSdkPlatforms();
-    m_availableSdkPlatformsUpToDate = true;
+    bool success = false;
+    m_availableSdkPlatforms = sdkManager.availableSdkPlatforms(&success);
+    if (success)
+        m_availableSdkPlatformsUpToDate = true;
 }
 
 QStringList AndroidConfig::apiLevelNamesFor(const QList<SdkPlatform> &platforms)
@@ -358,7 +360,7 @@ QStringList AndroidConfig::apiLevelNamesFor(const QList<SdkPlatform> &platforms)
 
 QString AndroidConfig::apiLevelNameFor(const SdkPlatform &platform)
 {
-    return QLatin1String("android-") + QString::number(platform.apiLevel);
+    return platform.apiLevel > 0 ? QString("android-%1").arg(platform.apiLevel) : "";
 }
 
 QList<SdkPlatform> AndroidConfig::sdkTargets(int minApiLevel) const
diff --git a/src/plugins/android/androidsdkmanager.cpp b/src/plugins/android/androidsdkmanager.cpp
index 0ed23660a61b9e7d106b45feb0b883c1f18500b7..c28fef27a18c654b38047225a38d85cfb0f5a9a2 100644
--- a/src/plugins/android/androidsdkmanager.cpp
+++ b/src/plugins/android/androidsdkmanager.cpp
@@ -50,6 +50,8 @@ const char installLocationKey[] = "Installed Location:";
 const char apiLevelPropertyKey[] = "AndroidVersion.ApiLevel";
 const char abiPropertyKey[] = "SystemImage.Abi";
 
+const int sdkManagerCmdTimeoutS = 60;
+
 using namespace Utils;
 
 /*!
@@ -72,11 +74,14 @@ static bool valueForKey(QString key, const QString &line, QString *value = nullp
     \c true if the command is successfully executed. Output is copied into \a output. The function
     blocks the calling thread.
  */
-static bool sdkManagerCommand(const AndroidConfig config, const QStringList &args, QString *output)
+static bool sdkManagerCommand(const AndroidConfig config, const QStringList &args, QString *output,
+                              int timeout = sdkManagerCmdTimeoutS)
 {
     QString sdkManagerToolPath = config.sdkManagerToolPath().toString();
     SynchronousProcess proc;
-    SynchronousProcessResponse response = proc.runBlocking(sdkManagerToolPath, args);
+    proc.setTimeoutS(timeout);
+    proc.setTimeOutMessageBoxEnabled(true);
+    SynchronousProcessResponse response = proc.run(sdkManagerToolPath, args);
     if (response.result == SynchronousProcessResponse::Finished) {
         if (output)
             *output = response.allOutput();
@@ -132,10 +137,6 @@ AndroidSdkManager::AndroidSdkManager(const AndroidConfig &config):
     m_config(config),
     m_parser(new SdkManagerOutputParser)
 {
-    QString packageListing;
-    if (sdkManagerCommand(config, QStringList({"--list", "--verbose"}), &packageListing)) {
-        m_parser->parsePackageListing(packageListing);
-    }
 }
 
 AndroidSdkManager::~AndroidSdkManager()
@@ -143,13 +144,20 @@ AndroidSdkManager::~AndroidSdkManager()
 
 }
 
-SdkPlatformList AndroidSdkManager::availableSdkPlatforms()
+SdkPlatformList AndroidSdkManager::availableSdkPlatforms(bool *ok)
 {
+    bool success = false;
     if (m_config.sdkToolsVersion() < sdkManagerIntroVersion) {
         AndroidToolManager toolManager(m_config);
-        return toolManager.availableSdkPlatforms();
+        return toolManager.availableSdkPlatforms(ok);
     }
 
+    QString packageListing;
+    if (sdkManagerCommand(m_config, QStringList({"--list", "--verbose"}), &packageListing))
+        m_parser->parsePackageListing(packageListing);
+
+    if (ok)
+        *ok = success;
     return m_parser->m_installedPlatforms;
 }
 
diff --git a/src/plugins/android/androidsdkmanager.h b/src/plugins/android/androidsdkmanager.h
index 2c111480723c5e974f85b82d6eaab07ed6b4925e..b1da078b6efd7d5379183eee8cbfd7ab8f2b2aca 100644
--- a/src/plugins/android/androidsdkmanager.h
+++ b/src/plugins/android/androidsdkmanager.h
@@ -40,7 +40,7 @@ public:
     AndroidSdkManager(const AndroidConfig &config);
     ~AndroidSdkManager();
 
-    SdkPlatformList availableSdkPlatforms();
+    SdkPlatformList availableSdkPlatforms(bool *ok = nullptr);
 
 private:
     const AndroidConfig &m_config;
diff --git a/src/plugins/android/androidtoolmanager.cpp b/src/plugins/android/androidtoolmanager.cpp
index 19f7cbc97b991714f9c3a475412384e5120c752e..39fa2a2c4262f6913396617aecf2eeadfad2066b 100644
--- a/src/plugins/android/androidtoolmanager.cpp
+++ b/src/plugins/android/androidtoolmanager.cpp
@@ -97,16 +97,22 @@ AndroidToolManager::~AndroidToolManager()
 
 }
 
-SdkPlatformList AndroidToolManager::availableSdkPlatforms() const
+SdkPlatformList AndroidToolManager::availableSdkPlatforms(bool *ok) const
 {
+    bool success = false;
     SdkPlatformList list;
     QString targetListing;
     if (androidToolCommand(m_config.androidToolPath(), QStringList({"list",  "target"}),
                            androidToolEnvironment(), &targetListing)) {
         m_parser->parseTargetListing(targetListing, m_config.sdkLocation(), &list);
+        success = true;
     } else {
         qCDebug(androidToolLog) << "Android tool target listing failed";
     }
+
+    if (ok)
+        *ok = success;
+
     return list;
 }
 
diff --git a/src/plugins/android/androidtoolmanager.h b/src/plugins/android/androidtoolmanager.h
index befb095b92a25c34a49b907b9877f7c54c012634..faaa9428ab6381f7f11131777f719cac5613db9e 100644
--- a/src/plugins/android/androidtoolmanager.h
+++ b/src/plugins/android/androidtoolmanager.h
@@ -48,7 +48,7 @@ public:
     AndroidToolManager(const AndroidConfig &config);
     ~AndroidToolManager();
 
-    SdkPlatformList availableSdkPlatforms() const;
+    SdkPlatformList availableSdkPlatforms(bool *ok = nullptr) const;
     void launchAvdManager() const;
 
     QFuture<AndroidConfig::CreateAvdInfo> createAvd(AndroidConfig::CreateAvdInfo info) const;
diff --git a/src/plugins/qmakeandroidsupport/qmakeandroidbuildapkstep.cpp b/src/plugins/qmakeandroidsupport/qmakeandroidbuildapkstep.cpp
index ce087ff9df27f11e94595553486bc8c16ce52b17..4ca9ef9653a0fe71e6982d4ad703b53298b4285e 100644
--- a/src/plugins/qmakeandroidsupport/qmakeandroidbuildapkstep.cpp
+++ b/src/plugins/qmakeandroidsupport/qmakeandroidbuildapkstep.cpp
@@ -158,6 +158,13 @@ bool QmakeAndroidBuildApkStep::init(QList<const BuildStep *> &earlierSteps)
         return true;
     }
 
+    QString buildTargetSdk = AndroidManager::buildTargetSDK(target());
+    if (buildTargetSdk.isEmpty()) {
+        emit addOutput(tr("Android build SDK not defined. Check Android settings."),
+                       OutputFormat::Stderr);
+        return false;
+    }
+
     QStringList arguments;
     arguments << QLatin1String("--input")
               << inputFile