Tweak error message for compiler compliance with 1.7

Change-Id: I48270a247f90e872210ca9758421bb49921b135f

1 files changed, 16 insertions, 0 deletions

diff --git a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/build/builders/ResourceManagerBuilder.java b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/build/builders/ResourceManagerBuilder.java
index 770710d..c850a2a 100644
--- a/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/build/builders/ResourceManagerBuilder.java
+++ b/eclipse/plugins/com.android.ide.eclipse.adt/src/com/android/ide/eclipse/adt/internal/build/builders/ResourceManagerBuilder.java
@@ -24,6 +24,8 @@ import com.android.ide.eclipse.adt.internal.preferences.AdtPrefs;
 import com.android.ide.eclipse.adt.internal.preferences.AdtPrefs.BuildVerbosity;
 import com.android.ide.eclipse.adt.internal.project.BaseProjectHelper;
 import com.android.ide.eclipse.adt.internal.project.ProjectHelper;
+import com.android.ide.eclipse.adt.internal.sdk.Sdk;
+import com.android.sdklib.IAndroidTarget;
 import com.android.utils.Pair;
 
 import org.eclipse.core.resources.IFolder;
@@ -110,6 +112,20 @@ public class ResourceManagerBuilder extends BaseBuilder {
             errorMessage = String.format(errorMessage,
                     result.getSecond() == null ? "(no value)" : result.getSecond());
 
+            if (JavaCore.VERSION_1_7.equals(result.getSecond())) {
+                // If the user is trying to target 1.7 but compiling with something older,
+                // the error message can be a bit misleading; instead point them in the
+                // direction of updating the project's build target.
+                Sdk currentSdk = Sdk.getCurrent();
+                if (currentSdk != null) {
+                    IAndroidTarget target = currentSdk.getTarget(project.getProject());
+                    if (target != null && target.getVersion().getApiLevel() < 19) {
+                        errorMessage = "Using 1.7 requires compiling with Android 4.4 " +
+                                "(KitKat); currently using " + target.getVersion();
+                    }
+                }
+            }
+
             markProject(AdtConstants.MARKER_ADT, errorMessage, IMarker.SEVERITY_ERROR);
             AdtPlugin.printErrorToConsole(project, errorMessage);