Load modules in a listview

app/src/main/java/com/topjohnwu/magisk/MainActivity.java

@@ -1,6 +1,7 @@
 package com.topjohnwu.magisk;
 
 import android.app.Activity;
+import android.content.Intent;
 import android.graphics.Color;
 import android.os.AsyncTask;
 import android.os.Bundle;
@@ -53,6 +54,8 @@ public class MainActivity extends Activity {
                 new SU().execute("setenforce 0");
             }
         });
+
+        findViewById(R.id.modules).setOnClickListener(view -> startActivity(new Intent(this, ModulesActivity.class)));
     }
 
     private String execute(String command) {

app/src/main/java/com/topjohnwu/magisk/Module.java

@@ -0,0 +1,83 @@
+package com.topjohnwu.magisk;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+
+public class Module {
+
+    private final boolean isValid;
+    private final boolean isCache;
+    private File mPropFile;
+
+    private String mName;
+    private String mVersion;
+    private int mVersionCode;
+    private String mDescription;
+
+    public Module(File file) {
+        this.isCache = file.getPath().contains("cache");
+        this.isValid = new File(file + "/module.prop").exists();
+
+        if (isValid) {
+            mPropFile = new File(file + "/module.prop");
+        }
+    }
+
+    public boolean isValid() {
+        return isValid && mPropFile != null;
+    }
+
+    public boolean isCache() {
+        return isCache;
+    }
+
+    public String getName() {
+        return mName;
+    }
+
+    public int getVersionCode() {
+        return mVersionCode;
+    }
+
+    public String getVersion() {
+        return mVersion;
+    }
+
+    public String getDescription() {
+        return mDescription;
+    }
+
+    public void parse() throws Exception {
+        BufferedReader reader = new BufferedReader(new FileReader(mPropFile));
+        String line;
+        while ((line = reader.readLine()) != null) {
+            String[] parts = line.split("=", 2);
+            if (parts.length != 2) {
+                continue;
+            }
+
+            String key = parts[0].trim();
+            if (key.charAt(0) == '#') {
+                continue;
+            }
+
+            String value = parts[1].trim();
+            switch (key) {
+                case "name":
+                    mName = value;
+                    break;
+                case "version":
+                    mVersion = value;
+                    break;
+                case "versionCode":
+                    mVersionCode = Integer.parseInt(value);
+                    break;
+                case "description":
+                    mDescription = value;
+                    break;
+            }
+        }
+        reader.close();
+    }
+}

app/src/main/java/com/topjohnwu/magisk/ModulesActivity.java

@@ -0,0 +1,132 @@
+package com.topjohnwu.magisk;
+
+import android.annotation.SuppressLint;
+import android.app.Activity;
+import android.app.ProgressDialog;
+import android.content.Context;
+import android.os.AsyncTask;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ModulesActivity extends Activity {
+
+    private static final String MAGISK_PATH = "/magisk";
+    private static final String MAGISK_CACHE_PATH = "/cache/magisk";
+
+    private List<Module> listModules = new ArrayList<>();
+    private ListView mListView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_modules);
+
+        mListView = (ListView) findViewById(android.R.id.list);
+
+        new CheckFolders().execute();
+    }
+
+    private class CheckFolders extends AsyncTask<Void, Integer, Boolean> {
+
+        private ProgressDialog progress;
+
+        @Override
+        protected void onPreExecute() {
+            super.onPreExecute();
+
+            progress = ProgressDialog.show(ModulesActivity.this, null, getString(R.string.loading), true, false);
+        }
+
+        @Override
+        protected Boolean doInBackground(Void... voids) {
+            File[] magisk = new File(MAGISK_PATH).listFiles(File::isDirectory);
+            File[] magiskCache = new File(MAGISK_CACHE_PATH).listFiles(File::isDirectory);
+
+            if (magisk != null) {
+                for (File mod : magisk) {
+                    listModules.add(new Module(mod));
+                }
+            }
+
+            if (magiskCache != null) {
+                for (File mod : magiskCache) {
+                    listModules.add(new Module(mod));
+                }
+            }
+
+            //noinspection Convert2streamapi
+            for (Module module : listModules) {
+                if (module.isValid()) try {
+                    module.parse();
+                } catch (Exception ignored) {
+                }
+            }
+
+            return true;
+        }
+
+        @Override
+        protected void onPostExecute(Boolean aBoolean) {
+            super.onPostExecute(aBoolean);
+
+            progress.dismiss();
+
+            mListView.setAdapter(new ModulesAdapter(ModulesActivity.this, R.layout.row));
+        }
+    }
+
+    private class ModulesAdapter extends ArrayAdapter<Module> {
+
+        public ModulesAdapter(Context context, int resource) {
+            super(context, resource);
+        }
+
+        @SuppressLint("SetTextI18n")
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            ViewHolder vh;
+
+            if (convertView == null) {
+                LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+                convertView = inflater.inflate(R.layout.row, null);
+
+                vh = new ViewHolder();
+                vh.name = (TextView) convertView.findViewById(R.id.name);
+                vh.version = (TextView) convertView.findViewById(R.id.version);
+                vh.versionCode = (TextView) convertView.findViewById(R.id.versionCode);
+                vh.description = (TextView) convertView.findViewById(R.id.description);
+                vh.cache = (TextView) convertView.findViewById(R.id.cache);
+
+                convertView.setTag(vh);
+            } else {
+                vh = (ViewHolder) convertView.getTag();
+            }
+
+            Module module = getItem(position);
+            vh.name.setText("name= " + module.getName());
+            vh.version.setText("version= " + module.getVersion());
+            vh.versionCode.setText("versioncode= " + module.getVersionCode());
+            vh.description.setText("description= " + module.getDescription());
+            vh.cache.setText("is from cache= " + module.isCache());
+
+            return convertView;
+        }
+
+        private class ViewHolder {
+            public TextView name;
+            public TextView version;
+            public TextView versionCode;
+            public TextView description;
+            public TextView cache;
+        }
+    }
+}