Tried to load plugin from assets when sdcard was not mounted.

app/src/main/java/com/didi/virtualapk/MainActivity.java

@@ -117,11 +117,34 @@ public class MainActivity extends AppCompatActivity {
     }
 
     private void loadPlugin(Context base) {
+        if (!Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState())) {
+            Toast.makeText(this, "sdcard was NOT MOUNTED!", Toast.LENGTH_SHORT).show();
+        }
         PluginManager pluginManager = PluginManager.getInstance(base);
         File apk = new File(Environment.getExternalStorageDirectory(), "Test.apk");
         if (apk.exists()) {
             try {
                 pluginManager.loadPlugin(apk);
+                Log.i(TAG, "Loaded plugin from apk: " + apk);
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        } else {
+            try {
+                File file = new File(base.getFilesDir(), "Test.apk");
+                java.io.InputStream inputStream = base.getAssets().open("Test.apk", 2);
+                java.io.FileOutputStream outputStream = new java.io.FileOutputStream(file);
+                byte[] buf = new byte[1024];
+                int len;
+    
+                while ((len = inputStream.read(buf)) > 0) {
+                    outputStream.write(buf, 0, len);
+                }
+    
+                outputStream.close();
+                inputStream.close();
+                pluginManager.loadPlugin(file);
+                Log.i(TAG, "Loaded plugin from assets: " + file);
             } catch (Exception e) {
                 e.printStackTrace();
             }