Implement decompiling individual "DEX" files

Signed-off-by: apk-editor <[email protected]>
apk-editor · Nov 26, 2023 · b28be96 · b28be96
1 parent b9b6895
commit b28be96
Show file tree

Hide file tree

Showing 2 changed files with 52 additions and 8 deletions.
diff --git a/app/src/main/java/com/apk/editor/fragments/APKExplorerFragment.java b/app/src/main/java/com/apk/editor/fragments/APKExplorerFragment.java
@@ -2,6 +2,7 @@
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
+import android.app.ProgressDialog;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Build;
@@ -30,6 +31,7 @@
 import com.apk.editor.utils.APKEditorUtils;
 import com.apk.editor.utils.APKExplorer;
 import com.apk.editor.utils.Common;
+import com.apk.editor.utils.DexToSmali;
 import com.apk.editor.utils.tasks.DeleteFile;
 import com.apk.editor.utils.tasks.DeleteProject;
 import com.apk.editor.utils.tasks.ExportToStorage;
@@ -197,13 +199,13 @@ public void onPostExecute() {
                 Intent imageView = new Intent(requireActivity(), ImageViewActivity.class);
                 imageView.putExtra(ImageViewActivity.PATH_INTENT, APKExplorer.getData(getFilesList(), true, requireActivity()).get(position));
                 startActivity(imageView);
-            } else if (APKExplorer.getData(getFilesList(), true, requireActivity()).get(position).endsWith(".dex") || APKExplorer.getData(getFilesList(), true,
-                    requireActivity()).get(position).endsWith("resources.arsc")) {
+            } else if (APKExplorer.getData(getFilesList(), true, requireActivity()).get(position).endsWith(".dex")) {
+                decompileDexToSmali(new File(APKExplorer.getData(getFilesList(), true, requireActivity()).get(position))).execute();
+            } else if (APKExplorer.getData(getFilesList(), true, requireActivity()).get(position).equalsIgnoreCase("resources.arsc")) {
                 new MaterialAlertDialogBuilder(requireActivity())
                         .setIcon(R.mipmap.ic_launcher)
                         .setTitle(R.string.unsupported_file)
-                        .setMessage(getString(APKExplorer.getData(getFilesList(), true, requireActivity()).get(position).endsWith("resources.arsc") ?
-                                R.string.unsupported_file_arsc :R.string.unsupported_file_dex))
+                        .setMessage(R.string.unsupported_file_arsc)
                         .setPositiveButton(getString(R.string.cancel), (dialog, id) -> {
                         }).show();
             } else {
@@ -254,6 +256,48 @@ public void handleOnBackPressed() {
         return mRootView;
     }
 
+    private sExecutor decompileDexToSmali(File inputFile) {
+        return new sExecutor() {
+            private ProgressDialog mProgressDialog;
+            private File mBackUpPath, mExplorePath;
+            private String mDexName = null;
+
+            @SuppressLint("StringFormatInvalid")
+            @Override
+            public void onPreExecute() {
+                mProgressDialog = new ProgressDialog(requireActivity());
+                mProgressDialog.setMessage("\n" + getString(R.string.decompiling, inputFile.getName()));
+                mProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
+                mProgressDialog.setIcon(R.mipmap.ic_launcher);
+                mProgressDialog.setTitle(R.string.app_name);
+                mProgressDialog.setIndeterminate(true);
+                mProgressDialog.setCancelable(false);
+                mProgressDialog.show();
+                mExplorePath = inputFile.getParentFile();
+                mBackUpPath = new File(mExplorePath,".aeeBackup");
+                mDexName = inputFile.getName();
+            }
+
+            @Override
+            public void doInBackground() {
+                sFileUtils.mkdir(mBackUpPath);
+                sFileUtils.copy(inputFile, new File(mBackUpPath, inputFile.getName()));
+                sFileUtils.delete(inputFile);
+                sFileUtils.mkdir(new File(mExplorePath, mDexName));
+                new DexToSmali(false, new File(mBackUpPath, inputFile.getName()), new File(mExplorePath, mDexName), 0, mDexName).execute();
+            }
+
+            @Override
+            public void onPostExecute() {
+                try {
+                    mProgressDialog.dismiss();
+                } catch (IllegalArgumentException ignored) {
+                }
+                reload(requireActivity());
+            }
+        };
+    }
+
     private void retainDialog() {
         if (sCommonUtils.getString("projectAction", null, requireActivity()) == null) {
             new MaterialAlertDialogBuilder(requireActivity())

diff --git a/app/src/main/java/com/apk/editor/utils/DexToSmali.java b/app/src/main/java/com/apk/editor/utils/DexToSmali.java
@@ -19,13 +19,13 @@
 public class DexToSmali {
 
     private final boolean mDebugInfo;
-    private final File mApkFile, mOutDir;
+    private final File mInputFile, mOutDir;
     private final int mAPI;
     private final String mDEXName;
 
-    public DexToSmali(boolean debugInfo, File apkFile, File outDir, int api, String dexName) {
+    public DexToSmali(boolean debugInfo, File inputFile, File outDir, int api, String dexName) {
         this.mDebugInfo = debugInfo;
-        this.mApkFile = apkFile;
+        this.mInputFile = inputFile;
         this.mOutDir = outDir;
         this.mAPI = api;
         this.mDEXName = dexName;
@@ -51,7 +51,7 @@ public void execute() {
                 jobs = 6;
             }
             // create the container
-            MultiDexContainer<? extends DexBackedDexFile> container = DexFileFactory.loadDexContainer(mApkFile, Opcodes.forApi(mAPI));
+            MultiDexContainer<? extends DexBackedDexFile> container = DexFileFactory.loadDexContainer(mInputFile, Opcodes.forApi(mAPI));
             MultiDexContainer.DexEntry<? extends DexBackedDexFile> dexEntry;
             DexBackedDexFile dexFile;
             // If we have 1 item, ignore the passed file. Pull the DexFile we need.