]> git.saurik.com Git - android/aapt.git/blobdiff - Resource.cpp
am 7fc39b26: Merge change 25238 into eclair
[android/aapt.git] / Resource.cpp
index fd6ddb5796ae80734709da2e25ae4bb93a47040f..1084992116021fc053a1407bec5d6b161cfe1c12 100644 (file)
@@ -45,13 +45,6 @@ static String8 parseResourceName(const String8& leaf)
     }
 }
 
-class ResourceTypeSet : public RefBase,
-                        public KeyedVector<String8,sp<AaptGroup> >
-{
-public:
-    ResourceTypeSet();
-};
-
 ResourceTypeSet::ResourceTypeSet()
     :RefBase(),
      KeyedVector<String8,sp<AaptGroup> >()
@@ -181,7 +174,7 @@ static sp<AaptFile> getResourceFile(const sp<AaptAssets>& assets, bool makeIfNec
 static status_t parsePackage(const sp<AaptAssets>& assets, const sp<AaptGroup>& grp)
 {
     if (grp->getFiles().size() != 1) {
-        fprintf(stderr, "WARNING: Multiple AndroidManifest.xml files found, using %s\n",
+        fprintf(stderr, "warning: Multiple AndroidManifest.xml files found, using %s\n",
                 grp->getFiles().valueAt(0)->getPrintableSource().string());
     }
 
@@ -279,15 +272,16 @@ static status_t preProcessImages(Bundle* bundle, const sp<AaptAssets>& assets,
     ResourceDirIterator it(set, String8("drawable"));
     Vector<sp<AaptFile> > newNameFiles;
     Vector<String8> newNamePaths;
+    bool hasErrors = false;
     ssize_t res;
     while ((res=it.next()) == NO_ERROR) {
         res = preProcessImage(bundle, assets, it.getFile(), NULL);
-        if (res != NO_ERROR) {
-            return res;
+        if (res < NO_ERROR) {
+            hasErrors = true;
         }
     }
 
-    return NO_ERROR;
+    return (hasErrors || (res < NO_ERROR)) ? UNKNOWN_ERROR : NO_ERROR;
 }
 
 status_t postProcessImages(const sp<AaptAssets>& assets,
@@ -295,15 +289,16 @@ status_t postProcessImages(const sp<AaptAssets>& assets,
                            const sp<ResourceTypeSet>& set)
 {
     ResourceDirIterator it(set, String8("drawable"));
+    bool hasErrors = false;
     ssize_t res;
     while ((res=it.next()) == NO_ERROR) {
         res = postProcessImage(assets, table, it.getFile());
-        if (res != NO_ERROR) {
-            return res;
+        if (res < NO_ERROR) {
+            hasErrors = true;
         }
     }
 
-    return res < NO_ERROR ? res : (status_t)NO_ERROR;
+    return (hasErrors || (res < NO_ERROR)) ? UNKNOWN_ERROR : NO_ERROR;
 }
 
 static void collect_files(const sp<AaptDir>& dir,
@@ -426,18 +421,168 @@ static void checkForIds(const String8& path, ResXMLParser& parser)
         if (code == ResXMLTree::START_TAG) {
             ssize_t index = parser.indexOfAttribute(NULL, "id");
             if (index >= 0) {
-                fprintf(stderr, "%s:%d: WARNING: found plain 'id' attribute; did you mean the new 'android:id' name?\n",
+                fprintf(stderr, "%s:%d: warning: found plain 'id' attribute; did you mean the new 'android:id' name?\n",
                         path.string(), parser.getLineNumber());
             }
         }
     }
 }
 
+static bool applyFileOverlay(Bundle *bundle,
+                             const sp<AaptAssets>& assets,
+                             const sp<ResourceTypeSet>& baseSet,
+                             const char *resType)
+{
+    if (bundle->getVerbose()) {
+        printf("applyFileOverlay for %s\n", resType);
+    }
+
+    // Replace any base level files in this category with any found from the overlay
+    // Also add any found only in the overlay.
+    sp<AaptAssets> overlay = assets->getOverlay();
+    String8 resTypeString(resType);
+
+    // work through the linked list of overlays
+    while (overlay.get()) {
+        KeyedVector<String8, sp<ResourceTypeSet> >* overlayRes = overlay->getResources();
+
+        // get the overlay resources of the requested type
+        ssize_t index = overlayRes->indexOfKey(resTypeString);
+        if (index >= 0) {
+            sp<ResourceTypeSet> overlaySet = overlayRes->valueAt(index);
+
+            // for each of the resources, check for a match in the previously built
+            // non-overlay "baseset".
+            size_t overlayCount = overlaySet->size();
+            for (size_t overlayIndex=0; overlayIndex<overlayCount; overlayIndex++) {
+                if (bundle->getVerbose()) {
+                    printf("trying overlaySet Key=%s\n",overlaySet->keyAt(overlayIndex).string());
+                }
+                size_t baseIndex = baseSet->indexOfKey(overlaySet->keyAt(overlayIndex));
+                if (baseIndex < UNKNOWN_ERROR) {
+                    // look for same flavor.  For a given file (strings.xml, for example)
+                    // there may be a locale specific or other flavors - we want to match
+                    // the same flavor.
+                    sp<AaptGroup> overlayGroup = overlaySet->valueAt(overlayIndex);
+                    sp<AaptGroup> baseGroup = baseSet->valueAt(baseIndex);
+
+                    DefaultKeyedVector<AaptGroupEntry, sp<AaptFile> > overlayFiles =
+                            overlayGroup->getFiles();
+                    if (bundle->getVerbose()) {
+                        DefaultKeyedVector<AaptGroupEntry, sp<AaptFile> > baseFiles =
+                                baseGroup->getFiles();
+                        for (size_t i=0; i < baseFiles.size(); i++) {
+                            printf("baseFile %d has flavor %s\n", i,
+                                    baseFiles.keyAt(i).toString().string());
+                        }
+                        for (size_t i=0; i < overlayFiles.size(); i++) {
+                            printf("overlayFile %d has flavor %s\n", i,
+                                    overlayFiles.keyAt(i).toString().string());
+                        }
+                    }
+
+                    size_t overlayGroupSize = overlayFiles.size();
+                    for (size_t overlayGroupIndex = 0;
+                            overlayGroupIndex<overlayGroupSize;
+                            overlayGroupIndex++) {
+                        size_t baseFileIndex =
+                                baseGroup->getFiles().indexOfKey(overlayFiles.
+                                keyAt(overlayGroupIndex));
+                        if(baseFileIndex < UNKNOWN_ERROR) {
+                            if (bundle->getVerbose()) {
+                                printf("found a match (%d) for overlay file %s, for flavor %s\n",
+                                        baseFileIndex,
+                                        overlayGroup->getLeaf().string(),
+                                        overlayFiles.keyAt(overlayGroupIndex).toString().string());
+                            }
+                            baseGroup->removeFile(baseFileIndex);
+                        } else {
+                            // didn't find a match fall through and add it..
+                        }
+                        baseGroup->addFile(overlayFiles.valueAt(overlayGroupIndex));
+                        assets->addGroupEntry(overlayFiles.keyAt(overlayGroupIndex));
+                    }
+                } else {
+                    // this group doesn't exist (a file that's only in the overlay)
+                    baseSet->add(overlaySet->keyAt(overlayIndex),
+                            overlaySet->valueAt(overlayIndex));
+                    // make sure all flavors are defined in the resources.
+                    sp<AaptGroup> overlayGroup = overlaySet->valueAt(overlayIndex);
+                    DefaultKeyedVector<AaptGroupEntry, sp<AaptFile> > overlayFiles =
+                            overlayGroup->getFiles();
+                    size_t overlayGroupSize = overlayFiles.size();
+                    for (size_t overlayGroupIndex = 0;
+                            overlayGroupIndex<overlayGroupSize;
+                            overlayGroupIndex++) {
+                        assets->addGroupEntry(overlayFiles.keyAt(overlayGroupIndex));
+                    }
+                }
+            }
+            // this overlay didn't have resources for this type
+        }
+        // try next overlay
+        overlay = overlay->getOverlay();
+    }
+    return true;
+}
+
+void addTagAttribute(const sp<XMLNode>& node, const char* ns8,
+        const char* attr8, const char* value)
+{
+    if (value == NULL) {
+        return;
+    }
+    
+    const String16 ns(ns8);
+    const String16 attr(attr8);
+    
+    if (node->getAttribute(ns, attr) != NULL) {
+        fprintf(stderr, "Warning: AndroidManifest.xml already defines %s (in %s)\n",
+                String8(attr).string(), String8(ns).string());
+        return;
+    }
+    
+    node->addAttribute(ns, attr, String16(value));
+}
+
+status_t massageManifest(Bundle* bundle, sp<XMLNode> root)
+{
+    root = root->searchElement(String16(), String16("manifest"));
+    if (root == NULL) {
+        fprintf(stderr, "No <manifest> tag.\n");
+        return UNKNOWN_ERROR;
+    }
+    
+    addTagAttribute(root, RESOURCES_ANDROID_NAMESPACE, "versionCode",
+            bundle->getVersionCode());
+    addTagAttribute(root, RESOURCES_ANDROID_NAMESPACE, "versionName",
+            bundle->getVersionName());
+    
+    if (bundle->getMinSdkVersion() != NULL
+            || bundle->getTargetSdkVersion() != NULL
+            || bundle->getMaxSdkVersion() != NULL) {
+        sp<XMLNode> vers = root->getChildElement(String16(), String16("uses-sdk"));
+        if (vers == NULL) {
+            vers = XMLNode::newElement(root->getFilename(), String16(), String16("uses-sdk"));
+            root->insertChildAt(vers, 0);
+        }
+        
+        addTagAttribute(vers, RESOURCES_ANDROID_NAMESPACE, "minSdkVersion",
+                bundle->getMinSdkVersion());
+        addTagAttribute(vers, RESOURCES_ANDROID_NAMESPACE, "targetSdkVersion",
+                bundle->getTargetSdkVersion());
+        addTagAttribute(vers, RESOURCES_ANDROID_NAMESPACE, "maxSdkVersion",
+                bundle->getMaxSdkVersion());
+    }
+    
+    return NO_ERROR;
+}
+
 #define ASSIGN_IT(n) \
         do { \
-            ssize_t index = resources.indexOfKey(String8(#n)); \
+            ssize_t index = resources->indexOfKey(String8(#n)); \
             if (index >= 0) { \
-                n ## s = resources.valueAt(index); \
+                n ## s = resources->valueAt(index); \
             } \
         } while (0)
 
@@ -468,18 +613,16 @@ status_t buildResources(Bundle* bundle, const sp<AaptAssets>& assets)
 
     NOISY(printf("Found %d included resource packages\n", (int)table.size()));
 
-    sp<AaptDir> res = assets->getDirs().valueFor(String8("res"));
-
     // --------------------------------------------------------------
     // First, gather all resource information.
     // --------------------------------------------------------------
 
     // resType -> leafName -> group
-    KeyedVector<String8, sp<ResourceTypeSet> > resources;
-    collect_files(assets, &resources);
+    KeyedVector<String8, sp<ResourceTypeSet> > *resources = 
+            new KeyedVector<String8, sp<ResourceTypeSet> >;
+    collect_files(assets, resources);
 
     sp<ResourceTypeSet> drawables;
-    sp<ResourceTypeSet> valuess;
     sp<ResourceTypeSet> layouts;
     sp<ResourceTypeSet> anims;
     sp<ResourceTypeSet> xmls;
@@ -492,10 +635,30 @@ status_t buildResources(Bundle* bundle, const sp<AaptAssets>& assets)
     ASSIGN_IT(anim);
     ASSIGN_IT(xml);
     ASSIGN_IT(raw);
-    ASSIGN_IT(values);
     ASSIGN_IT(color);
     ASSIGN_IT(menu);
 
+    assets->setResources(resources);
+    // now go through any resource overlays and collect their files
+    sp<AaptAssets> current = assets->getOverlay();
+    while(current.get()) {
+        KeyedVector<String8, sp<ResourceTypeSet> > *resources = 
+                new KeyedVector<String8, sp<ResourceTypeSet> >;
+        current->setResources(resources);
+        collect_files(current, resources);
+        current = current->getOverlay();
+    }
+    // apply the overlay files to the base set
+    if (!applyFileOverlay(bundle, assets, drawables, "drawable") ||
+            !applyFileOverlay(bundle, assets, layouts, "layout") ||
+            !applyFileOverlay(bundle, assets, anims, "anim") ||
+            !applyFileOverlay(bundle, assets, xmls, "xml") ||
+            !applyFileOverlay(bundle, assets, raws, "raw") ||
+            !applyFileOverlay(bundle, assets, colors, "color") ||
+            !applyFileOverlay(bundle, assets, menus, "menu")) {
+        return UNKNOWN_ERROR;
+    }
+
     bool hasErrors = false;
 
     if (drawables != NULL) {
@@ -538,17 +701,26 @@ status_t buildResources(Bundle* bundle, const sp<AaptAssets>& assets)
         }
     }
 
-    if (valuess != NULL) {
-        ResourceDirIterator it(valuess, String8("values"));
-        ssize_t res;
-        while ((res=it.next()) == NO_ERROR) {
-            sp<AaptFile> file = it.getFile();
-
-            res = compileResourceFile(bundle, assets, file, it.getParams(), &table);
-            if (res != NO_ERROR) {
-                hasErrors = true;
+    // compile resources
+    current = assets;
+    while(current.get()) {
+        KeyedVector<String8, sp<ResourceTypeSet> > *resources = 
+                current->getResources();
+
+        ssize_t index = resources->indexOfKey(String8("values"));
+        if (index >= 0) {
+            ResourceDirIterator it(resources->valueAt(index), String8("values"));
+            ssize_t res;
+            while ((res=it.next()) == NO_ERROR) {
+                sp<AaptFile> file = it.getFile();
+                res = compileResourceFile(bundle, assets, file, it.getParams(), 
+                                          (current!=assets), &table);
+                if (res != NO_ERROR) {
+                    hasErrors = true;
+                }
             }
         }
+        current = current->getOverlay();
     }
 
     if (colors != NULL) {
@@ -926,7 +1098,15 @@ status_t buildResources(Bundle* bundle, const sp<AaptAssets>& assets)
 
     // Generate final compiled manifest file.
     manifestFile->clearData();
-    err = compileXmlFile(assets, manifestFile, &table);
+    sp<XMLNode> manifestTree = XMLNode::parse(manifestFile);
+    if (manifestTree == NULL) {
+        return UNKNOWN_ERROR;
+    }
+    err = massageManifest(bundle, manifestTree);
+    if (err < NO_ERROR) {
+        return err;
+    }
+    err = compileXmlFile(assets, manifestTree, manifestFile, &table);
     if (err < NO_ERROR) {
         return err;
     }
@@ -968,6 +1148,7 @@ status_t buildResources(Bundle* bundle, const sp<AaptAssets>& assets)
                 printf("  Writing public definitions to %s.\n", bundle->getPublicOutputFile());
             }
             table.writePublicDefinitions(String16(assets->getPackage()), fp);
+            fclose(fp);
         }
 
         NOISY(
@@ -985,7 +1166,6 @@ status_t buildResources(Bundle* bundle, const sp<AaptAssets>& assets)
             return err;
         }
     }
-
     return err;
 }
 
@@ -1084,10 +1264,16 @@ static status_t writeLayoutClasses(
 
         NA = idents.size();
 
+        bool deprecated = false;
+        
         String16 comment = symbols->getComment(realClassName);
         fprintf(fp, "%s/** ", indentStr);
         if (comment.size() > 0) {
-            fprintf(fp, "%s\n", String8(comment).string());
+            String8 cmt(comment);
+            fprintf(fp, "%s\n", cmt.string());
+            if (strstr(cmt.string(), "@deprecated") != NULL) {
+                deprecated = true;
+            }
         } else {
             fprintf(fp, "Attributes that can be used with a %s.\n", nclassName.string());
         }
@@ -1163,6 +1349,10 @@ static status_t writeLayoutClasses(
         }
         fprintf(fp, "%s */\n", getIndentSpace(indent));
 
+        if (deprecated) {
+            fprintf(fp, "%s@Deprecated\n", indentStr);
+        }
+        
         fprintf(fp,
                 "%spublic static final int[] %s = {\n"
                 "%s",
@@ -1211,11 +1401,17 @@ static status_t writeLayoutClasses(
                 //printf("%s:%s/%s: 0x%08x\n", String8(package16).string(),
                 //    String8(attr16).string(), String8(name16).string(), typeSpecFlags);
                 const bool pub = (typeSpecFlags&ResTable_typeSpec::SPEC_PUBLIC) != 0;
-                    
+                
+                bool deprecated = false;
+                
                 fprintf(fp, "%s/**\n", indentStr);
                 if (comment.size() > 0) {
+                    String8 cmt(comment);
                     fprintf(fp, "%s  <p>\n%s  @attr description\n", indentStr, indentStr);
-                    fprintf(fp, "%s  %s\n", indentStr, String8(comment).string());
+                    fprintf(fp, "%s  %s\n", indentStr, cmt.string());
+                    if (strstr(cmt.string(), "@deprecated") != NULL) {
+                        deprecated = true;
+                    }
                 } else {
                     fprintf(fp,
                             "%s  <p>This symbol is the offset where the {@link %s.R.attr#%s}\n"
@@ -1227,7 +1423,11 @@ static status_t writeLayoutClasses(
                             indentStr, nclassName.string());
                 }
                 if (typeComment.size() > 0) {
-                    fprintf(fp, "\n\n%s  %s\n", indentStr, String8(typeComment).string());
+                    String8 cmt(typeComment);
+                    fprintf(fp, "\n\n%s  %s\n", indentStr, cmt.string());
+                    if (strstr(cmt.string(), "@deprecated") != NULL) {
+                        deprecated = true;
+                    }
                 }
                 if (comment.size() > 0) {
                     if (pub) {
@@ -1245,6 +1445,9 @@ static status_t writeLayoutClasses(
                 fprintf(fp, "%s  @attr name %s:%s\n", indentStr,
                         "android", String8(name).string());
                 fprintf(fp, "%s*/\n", indentStr);
+                if (deprecated) {
+                    fprintf(fp, "%s@Deprecated\n", indentStr);
+                }
                 fprintf(fp,
                         "%spublic static final int %s_%s = %d;\n",
                         indentStr, nclassName.string(),
@@ -1286,11 +1489,16 @@ static status_t writeSymbolClass(
         }
         String16 comment(sym.comment);
         bool haveComment = false;
+        bool deprecated = false;
         if (comment.size() > 0) {
             haveComment = true;
+            String8 cmt(comment);
             fprintf(fp,
                     "%s/** %s\n",
-                    getIndentSpace(indent), String8(comment).string());
+                    getIndentSpace(indent), cmt.string());
+            if (strstr(cmt.string(), "@deprecated") != NULL) {
+                deprecated = true;
+            }
         } else if (sym.isPublic && !includePrivate) {
             sym.sourcePos.warning("No comment for public symbol %s:%s/%s",
                 assets->getPackage().string(), className.string(),
@@ -1298,20 +1506,25 @@ static status_t writeSymbolClass(
         }
         String16 typeComment(sym.typeComment);
         if (typeComment.size() > 0) {
+            String8 cmt(typeComment);
             if (!haveComment) {
                 haveComment = true;
                 fprintf(fp,
-                        "%s/** %s\n",
-                        getIndentSpace(indent), String8(typeComment).string());
+                        "%s/** %s\n", getIndentSpace(indent), cmt.string());
             } else {
                 fprintf(fp,
-                        "%s %s\n",
-                        getIndentSpace(indent), String8(typeComment).string());
+                        "%s %s\n", getIndentSpace(indent), cmt.string());
+            }
+            if (strstr(cmt.string(), "@deprecated") != NULL) {
+                deprecated = true;
             }
         }
         if (haveComment) {
             fprintf(fp,"%s */\n", getIndentSpace(indent));
         }
+        if (deprecated) {
+            fprintf(fp, "%s@Deprecated\n", getIndentSpace(indent));
+        }
         fprintf(fp, "%spublic static final int %s=0x%08x;\n",
                 getIndentSpace(indent),
                 String8(name).string(), (int)sym.int32Val);
@@ -1330,17 +1543,25 @@ static status_t writeSymbolClass(
             return UNKNOWN_ERROR;
         }
         String16 comment(sym.comment);
+        bool deprecated = false;
         if (comment.size() > 0) {
+            String8 cmt(comment);
             fprintf(fp,
                     "%s/** %s\n"
                      "%s */\n",
-                    getIndentSpace(indent), String8(comment).string(),
+                    getIndentSpace(indent), cmt.string(),
                     getIndentSpace(indent));
+            if (strstr(cmt.string(), "@deprecated") != NULL) {
+                deprecated = true;
+            }
         } else if (sym.isPublic && !includePrivate) {
             sym.sourcePos.warning("No comment for public symbol %s:%s/%s",
                 assets->getPackage().string(), className.string(),
                 String8(sym.name).string());
         }
+        if (deprecated) {
+            fprintf(fp, "%s@Deprecated\n", getIndentSpace(indent));
+        }
         fprintf(fp, "%spublic static final String %s=\"%s\";\n",
                 getIndentSpace(indent),
                 String8(name).string(), sym.stringVal.string());
@@ -1435,3 +1656,230 @@ status_t writeResourceSymbols(Bundle* bundle, const sp<AaptAssets>& assets,
 
     return NO_ERROR;
 }
+
+
+
+class ProguardKeepSet
+{
+public:
+    // { rule --> { file locations } }
+    KeyedVector<String8, SortedVector<String8> > rules;
+
+    void add(const String8& rule, const String8& where);
+};
+
+void ProguardKeepSet::add(const String8& rule, const String8& where)
+{
+    ssize_t index = rules.indexOfKey(rule);
+    if (index < 0) {
+        index = rules.add(rule, SortedVector<String8>());
+    }
+    rules.editValueAt(index).add(where);
+}
+
+status_t
+writeProguardForAndroidManifest(ProguardKeepSet* keep, const sp<AaptAssets>& assets)
+{
+    status_t err;
+    ResXMLTree tree;
+    size_t len;
+    ResXMLTree::event_code_t code;
+    int depth = 0;
+    bool inApplication = false;
+    String8 error;
+    sp<AaptGroup> assGroup;
+    sp<AaptFile> assFile;
+    String8 pkg;
+
+    // First, look for a package file to parse.  This is required to
+    // be able to generate the resource information.
+    assGroup = assets->getFiles().valueFor(String8("AndroidManifest.xml"));
+    if (assGroup == NULL) {
+        fprintf(stderr, "ERROR: No AndroidManifest.xml file found.\n");
+        return -1;
+    }
+
+    if (assGroup->getFiles().size() != 1) {
+        fprintf(stderr, "warning: Multiple AndroidManifest.xml files found, using %s\n",
+                assGroup->getFiles().valueAt(0)->getPrintableSource().string());
+    }
+
+    assFile = assGroup->getFiles().valueAt(0);
+
+    err = parseXMLResource(assFile, &tree);
+    if (err != NO_ERROR) {
+        return err;
+    }
+
+    tree.restart();
+
+    while ((code=tree.next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
+        if (code == ResXMLTree::END_TAG) {
+            if (/* name == "Application" && */ depth == 2) {
+                inApplication = false;
+            }
+            depth--;
+            continue;
+        }
+        if (code != ResXMLTree::START_TAG) {
+            continue;
+        }
+        depth++;
+        String8 tag(tree.getElementName(&len));
+        // printf("Depth %d tag %s\n", depth, tag.string());
+        if (depth == 1) {
+            if (tag != "manifest") {
+                fprintf(stderr, "ERROR: manifest does not start with <manifest> tag\n");
+                return -1;
+            }
+            pkg = getAttribute(tree, NULL, "package", NULL);
+        } else if (depth == 2 && tag == "application") {
+            inApplication = true;
+        }
+        if (inApplication) {
+            if (tag == "application" || tag == "activity" || tag == "service" || tag == "receiver"
+                    || tag == "provider") {
+                String8 name = getAttribute(tree, "http://schemas.android.com/apk/res/android",
+                        "name", &error);
+                if (error != "") {
+                    fprintf(stderr, "ERROR: %s\n", error.string());
+                    return -1;
+                }
+                // asdf     --> package.asdf
+                // .asdf  .a.b  --> package.asdf package.a.b
+                // asdf.adsf --> asdf.asdf
+                String8 rule("-keep class ");
+                const char* p = name.string();
+                const char* q = strchr(p, '.');
+                if (p == q) {
+                    rule += pkg;
+                    rule += name;
+                } else if (q == NULL) {
+                    rule += pkg;
+                    rule += ".";
+                    rule += name;
+                } else {
+                    rule += name;
+                }
+
+                String8 location = tag;
+                location += " ";
+                location += assFile->getSourceFile();
+                char lineno[20];
+                sprintf(lineno, ":%d", tree.getLineNumber());
+                location += lineno;
+
+                keep->add(rule, location);
+            }
+        }
+    }
+
+    return NO_ERROR;
+}
+
+status_t
+writeProguardForLayout(ProguardKeepSet* keep, const sp<AaptFile>& layoutFile)
+{
+    status_t err;
+    ResXMLTree tree;
+    size_t len;
+    ResXMLTree::event_code_t code;
+
+    err = parseXMLResource(layoutFile, &tree);
+    if (err != NO_ERROR) {
+        return err;
+    }
+
+    tree.restart();
+
+    while ((code=tree.next()) != ResXMLTree::END_DOCUMENT && code != ResXMLTree::BAD_DOCUMENT) {
+        if (code != ResXMLTree::START_TAG) {
+            continue;
+        }
+        String8 tag(tree.getElementName(&len));
+
+        // If there is no '.', we'll assume that it's one of the built in names.
+        if (strchr(tag.string(), '.')) {
+            String8 rule("-keep class ");
+            rule += tag;
+            rule += " { <init>(...); }";
+
+            String8 location("view ");
+            location += layoutFile->getSourceFile();
+            char lineno[20];
+            sprintf(lineno, ":%d", tree.getLineNumber());
+            location += lineno;
+
+            keep->add(rule, location);
+        }
+    }
+
+    return NO_ERROR;
+}
+
+status_t
+writeProguardForLayouts(ProguardKeepSet* keep, const sp<AaptAssets>& assets)
+{
+    status_t err;
+    sp<AaptDir> layout = assets->resDir(String8("layout"));
+
+    if (layout != NULL) {
+        const KeyedVector<String8,sp<AaptGroup> > groups = layout->getFiles();
+        const size_t N = groups.size();
+        for (size_t i=0; i<N; i++) {
+            const sp<AaptGroup>& group = groups.valueAt(i);
+            const DefaultKeyedVector<AaptGroupEntry, sp<AaptFile> >& files = group->getFiles();
+            const size_t M = files.size();
+            for (size_t j=0; j<M; j++) {
+                err = writeProguardForLayout(keep, files.valueAt(j));
+                if (err < 0) {
+                    return err;
+                }
+            }
+        }
+    }
+    return NO_ERROR;
+}
+
+status_t
+writeProguardFile(Bundle* bundle, const sp<AaptAssets>& assets)
+{
+    status_t err = -1;
+
+    if (!bundle->getProguardFile()) {
+        return NO_ERROR;
+    }
+
+    ProguardKeepSet keep;
+
+    err = writeProguardForAndroidManifest(&keep, assets);
+    if (err < 0) {
+        return err;
+    }
+
+    err = writeProguardForLayouts(&keep, assets);
+    if (err < 0) {
+        return err;
+    }
+
+    FILE* fp = fopen(bundle->getProguardFile(), "w+");
+    if (fp == NULL) {
+        fprintf(stderr, "ERROR: Unable to open class file %s: %s\n",
+                bundle->getProguardFile(), strerror(errno));
+        return UNKNOWN_ERROR;
+    }
+
+    const KeyedVector<String8, SortedVector<String8> >& rules = keep.rules;
+    const size_t N = rules.size();
+    for (size_t i=0; i<N; i++) {
+        const SortedVector<String8>& locations = rules.valueAt(i);
+        const size_t M = locations.size();
+        for (size_t j=0; j<M; j++) {
+            fprintf(fp, "# %s\n", locations.itemAt(j).string());
+        }
+        fprintf(fp, "%s\n\n", rules.keyAt(i).string());
+    }
+    fclose(fp);
+
+    return err;
+}