fix: issue 1994

.gitignore

@@ -20,7 +20,7 @@ bin/
 # IntelliJ
 *.iml
 .idea/*
-/out
+**/out/
 
 # Patches
 *.patch

brut.apktool/apktool-lib/src/main/java/brut/androlib/res/data/ResTypeSpec.java

@@ -24,6 +24,11 @@
  * @author Ryszard Wiśniewski <[email protected]>
  */
 public final class ResTypeSpec {
+
+    public static final String RES_TYPE_NAME_ARRAY = "array";
+    public static final String RES_TYPE_NAME_PLURALS = "plurals";
+    public static final String RES_TYPE_NAME_STYLES = "style";
+
     private final String mName;
     private final Map<String, ResResSpec> mResSpecs = new LinkedHashMap<String, ResResSpec>();
 

brut.apktool/apktool-lib/src/main/java/brut/androlib/res/data/value/ResValueFactory.java

@@ -19,6 +19,7 @@
 import android.util.TypedValue;
 import brut.androlib.AndrolibException;
 import brut.androlib.res.data.ResPackage;
+import brut.androlib.res.data.ResTypeSpec;
 import brut.util.Duo;
 
 /**
@@ -83,7 +84,7 @@ public ResIntBasedValue factory(String value, int rawValue) {
         return new ResStringValue(value, rawValue);
     }
 
-    public ResBagValue bagFactory(int parent, Duo<Integer, ResScalarValue>[] items) throws AndrolibException {
+    public ResBagValue bagFactory(int parent, Duo<Integer, ResScalarValue>[] items, ResTypeSpec resTypeSpec) throws AndrolibException {
         ResReferenceValue parentVal = newReference(parent, null);
 
         if (items.length == 0) {
@@ -93,14 +94,25 @@ public ResBagValue bagFactory(int parent, Duo<Integer, ResScalarValue>[] items)
         if (key == ResAttr.BAG_KEY_ATTR_TYPE) {
             return ResAttr.factory(parentVal, items, this, mPackage);
         }
-        // Android O Preview added an unknown enum for ResTable_map. This is hardcoded as 0 for now.
-        if (key == ResArrayValue.BAG_KEY_ARRAY_START || key == 0) {
+
+        String resTypeName = resTypeSpec.getName();
+
+        // Android O Preview added an unknown enum for c. This is hardcoded as 0 for now.
+        if (ResTypeSpec.RES_TYPE_NAME_ARRAY.equals(resTypeName)
+                || key == ResArrayValue.BAG_KEY_ARRAY_START || key == 0) {
             return new ResArrayValue(parentVal, items);
         }
-        if (key >= ResPluralsValue.BAG_KEY_PLURALS_START && key <= ResPluralsValue.BAG_KEY_PLURALS_END) {
+
+        if (ResTypeSpec.RES_TYPE_NAME_PLURALS.equals(resTypeName) ||
+                (key >= ResPluralsValue.BAG_KEY_PLURALS_START && key <= ResPluralsValue.BAG_KEY_PLURALS_END)) {
             return new ResPluralsValue(parentVal, items);
         }
-        return new ResStyleValue(parentVal, items, this);
+
+        if (ResTypeSpec.RES_TYPE_NAME_STYLES.equals(resTypeName)) {
+            return new ResStyleValue(parentVal, items, this);
+        }
+
+        throw new AndrolibException("unsupported res type name for bags. Found: " + resTypeName);
     }
 
     public ResReferenceValue newReference(int resID, String rawValue) {

brut.apktool/apktool-lib/src/main/java/brut/androlib/res/decoder/ARSCDecoder.java

@@ -347,7 +347,7 @@ private ResBagValue readComplexEntry() throws IOException, AndrolibException {
             }
         }
 
-        return factory.bagFactory(parent, items);
+        return factory.bagFactory(parent, items, mTypeSpec);
     }
 
     private ResIntBasedValue readValue() throws IOException, AndrolibException {

brut.apktool/apktool-lib/src/test/java/brut/androlib/decode/DecodeArrayTest.java

@@ -0,0 +1,55 @@
+package brut.androlib.decode;
+
+import brut.androlib.ApkDecoder;
+import brut.androlib.BaseTest;
+import brut.androlib.TestUtils;
+import brut.androlib.res.data.ResTable;
+import brut.androlib.res.data.value.ResArrayValue;
+import brut.androlib.res.data.value.ResValue;
+import brut.common.BrutException;
+import brut.directory.ExtFile;
+import brut.util.OS;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.io.File;
+
+import static junit.framework.Assert.assertTrue;
+
+public class DecodeArrayTest extends BaseTest {
+
+    @BeforeClass
+    public static void beforeClass() throws Exception {
+        TestUtils.cleanFrameworkFile();
+        sTmpDir = new ExtFile(OS.createTempDirectory());
+        TestUtils.copyResourceDir(MissingVersionManifestTest.class, "decode/issue1994/", sTmpDir);
+    }
+
+    @AfterClass
+    public static void afterClass() throws BrutException {
+        OS.rmdir(sTmpDir);
+    }
+
+    @Test
+    public void decodeStringArray() throws BrutException {
+        String apk = "issue1994.apk";
+        ApkDecoder apkDecoder = new ApkDecoder(new File(sTmpDir + File.separator + apk));
+
+        ResTable resTable = apkDecoder.getResTable();
+        ResValue value = resTable.getResSpec(0x7f020001).getDefaultResource().getValue();
+
+        assertTrue("Not a ResArrayValue. Found: " + value.getClass(), value instanceof ResArrayValue);
+    }
+
+    @Test
+    public void decodeArray() throws BrutException {
+        String apk = "issue1994.apk";
+        ApkDecoder apkDecoder = new ApkDecoder(new File(sTmpDir + File.separator + apk));
+
+        ResTable resTable = apkDecoder.getResTable();
+        ResValue value = resTable.getResSpec(0x7f020000).getDefaultResource().getValue();
+
+        assertTrue("Not a ResArrayValue. Found: " + value.getClass(), value instanceof ResArrayValue);
+    }
+}