Prepare for new database implementation

app/src/full/java/com/topjohnwu/magisk/MagiskManager.java

@@ -6,7 +6,7 @@ import android.content.res.Configuration;
 import android.preference.PreferenceManager;
 import android.text.TextUtils;
 
-import com.topjohnwu.magisk.database.MagiskDatabaseHelper;
+import com.topjohnwu.magisk.database.MagiskDB;
 import com.topjohnwu.magisk.database.RepoDatabaseHelper;
 import com.topjohnwu.magisk.utils.LocaleManager;
 import com.topjohnwu.magisk.utils.RootUtils;
@@ -22,7 +22,7 @@ public class MagiskManager extends ContainerApp {
 
     // Global resources
     public SharedPreferences prefs;
-    public MagiskDatabaseHelper mDB;
+    public MagiskDB mDB;
     public RepoDatabaseHelper repoDB;
 
     public MagiskManager() {
@@ -38,7 +38,7 @@ public class MagiskManager extends ContainerApp {
         Shell.Config.setInitializer(RootUtils.class);
 
         prefs = PreferenceManager.getDefaultSharedPreferences(this);
-        mDB = MagiskDatabaseHelper.getInstance();
+        mDB = MagiskDB.getInstance();
 
         String pkg = mDB.getStrings(Const.Key.SU_MANAGER, null);
         if (pkg != null && getPackageName().equals(Const.ORIG_PKG_NAME)) {

app/src/full/java/com/topjohnwu/magisk/adapters/PolicyAdapter.java

@@ -16,7 +16,7 @@ import com.topjohnwu.magisk.components.CustomAlertDialog;
 import com.topjohnwu.magisk.components.ExpandableView;
 import com.topjohnwu.magisk.components.SnackbarMaker;
 import com.topjohnwu.magisk.container.Policy;
-import com.topjohnwu.magisk.database.MagiskDatabaseHelper;
+import com.topjohnwu.magisk.database.MagiskDB;
 import com.topjohnwu.magisk.utils.FingerprintHelper;
 
 import java.util.HashSet;
@@ -30,11 +30,11 @@ import butterknife.BindView;
 public class PolicyAdapter extends RecyclerView.Adapter<PolicyAdapter.ViewHolder> {
 
     private List<Policy> policyList;
-    private MagiskDatabaseHelper dbHelper;
+    private MagiskDB dbHelper;
     private PackageManager pm;
     private Set<Policy> expandList = new HashSet<>();
 
-    public PolicyAdapter(List<Policy> list, MagiskDatabaseHelper db, PackageManager pm) {
+    public PolicyAdapter(List<Policy> list, MagiskDB db, PackageManager pm) {
         policyList = list;
         dbHelper = db;
         this.pm = pm;

app/src/full/java/com/topjohnwu/magisk/adapters/SectionedAdapter.java

@@ -2,6 +2,7 @@ package com.topjohnwu.magisk.adapters;
 
 import android.view.ViewGroup;
 
+import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
 public abstract class SectionedAdapter<S extends RecyclerView.ViewHolder, C extends RecyclerView.ViewHolder>
@@ -9,8 +10,9 @@ public abstract class SectionedAdapter<S extends RecyclerView.ViewHolder, C exte
 
     private static final int SECTION_TYPE = Integer.MIN_VALUE;
 
+    @NonNull
     @Override
-    final public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+    final public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
         if (viewType == SECTION_TYPE)
             return onCreateSectionViewHolder(parent);
         return onCreateItemViewHolder(parent, viewType);
@@ -18,7 +20,7 @@ public abstract class SectionedAdapter<S extends RecyclerView.ViewHolder, C exte
 
     @Override
     @SuppressWarnings("unchecked")
-    final public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
+    final public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
         PositionInfo info = getPositionInfo(position);
         if (info.position == -1)
             onBindSectionViewHolder((S) holder, info.section);

app/src/full/java/com/topjohnwu/magisk/adapters/SuLogAdapter.java

@@ -1,6 +1,5 @@
 package com.topjohnwu.magisk.adapters;
 
-import android.database.Cursor;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -12,7 +11,7 @@ import android.widget.TextView;
 import com.topjohnwu.magisk.R;
 import com.topjohnwu.magisk.components.ExpandableView;
 import com.topjohnwu.magisk.container.SuLogEntry;
-import com.topjohnwu.magisk.database.MagiskDatabaseHelper;
+import com.topjohnwu.magisk.database.MagiskDB;
 
 import java.util.Collections;
 import java.util.HashSet;
@@ -24,26 +23,25 @@ import butterknife.BindView;
 
 public class SuLogAdapter extends SectionedAdapter<SuLogAdapter.SectionHolder, SuLogAdapter.LogViewHolder> {
 
-    private List<List<Integer>> logEntryList;
+    private List<List<SuLogEntry>> logEntries;
     private Set<Integer> itemExpanded, sectionExpanded;
-    private MagiskDatabaseHelper suDB;
+    private MagiskDB suDB;
-    private Cursor suLogCursor = null;
 
-    public SuLogAdapter(MagiskDatabaseHelper db) {
+    public SuLogAdapter(MagiskDB db) {
         suDB = db;
-        logEntryList = Collections.emptyList();
+        logEntries = Collections.emptyList();
         sectionExpanded = new HashSet<>();
         itemExpanded = new HashSet<>();
     }
 
     @Override
     public int getSectionCount() {
-        return logEntryList.size();
+        return logEntries.size();
     }
 
     @Override
     public int getItemCount(int section) {
-        return sectionExpanded.contains(section) ? logEntryList.get(section).size() : 0;
+        return sectionExpanded.contains(section) ? logEntries.get(section).size() : 0;
     }
 
     @Override
@@ -60,8 +58,7 @@ public class SuLogAdapter extends SectionedAdapter<SuLogAdapter.SectionHolder, S
 
     @Override
     public void onBindSectionViewHolder(SectionHolder holder, int section) {
-        suLogCursor.moveToPosition(logEntryList.get(section).get(0));
+        SuLogEntry entry = logEntries.get(section).get(0);
-        SuLogEntry entry = new SuLogEntry(suLogCursor);
         holder.arrow.setRotation(sectionExpanded.contains(section) ? 180 : 0);
         holder.itemView.setOnClickListener(v -> {
             RotateAnimation rotate;
@@ -69,11 +66,11 @@ public class SuLogAdapter extends SectionedAdapter<SuLogAdapter.SectionHolder, S
                 holder.arrow.setRotation(0);
                 rotate = new RotateAnimation(180, 0, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
                 sectionExpanded.remove(section);
-                notifyItemRangeRemoved(getItemPosition(section, 0), logEntryList.get(section).size());
+                notifyItemRangeRemoved(getItemPosition(section, 0), logEntries.get(section).size());
             } else {
                 rotate = new RotateAnimation(0, 180, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);
                 sectionExpanded.add(section);
-                notifyItemRangeInserted(getItemPosition(section, 0), logEntryList.get(section).size());
+                notifyItemRangeInserted(getItemPosition(section, 0), logEntries.get(section).size());
             }
             rotate.setDuration(300);
             rotate.setFillAfter(true);
@@ -84,17 +81,16 @@ public class SuLogAdapter extends SectionedAdapter<SuLogAdapter.SectionHolder, S
 
     @Override
     public void onBindItemViewHolder(LogViewHolder holder, int section, int position) {
-        int sqlPosition = logEntryList.get(section).get(position);
+        SuLogEntry entry = logEntries.get(section).get(position);
-        suLogCursor.moveToPosition(sqlPosition);
+        int realIdx = getItemPosition(section, position);
-        SuLogEntry entry = new SuLogEntry(suLogCursor);
+        holder.setExpanded(itemExpanded.contains(realIdx));
-        holder.setExpanded(itemExpanded.contains(sqlPosition));
         holder.itemView.setOnClickListener(view -> {
             if (holder.isExpanded()) {
                 holder.collapse();
-                itemExpanded.remove(sqlPosition);
+                itemExpanded.remove(realIdx);
             } else {
                 holder.expand();
-                itemExpanded.add(sqlPosition);
+                itemExpanded.add(realIdx);
             }
         });
         holder.appName.setText(entry.appName);
@@ -106,10 +102,7 @@ public class SuLogAdapter extends SectionedAdapter<SuLogAdapter.SectionHolder, S
     }
 
     public void notifyDBChanged() {
-        if (suLogCursor != null)
+        logEntries = suDB.getLogs();
-            suLogCursor.close();
-        suLogCursor = suDB.getLogCursor();
-        logEntryList = suDB.getLogStructure();
         itemExpanded.clear();
         sectionExpanded.clear();
         sectionExpanded.add(0);

app/src/full/java/com/topjohnwu/magisk/asyncs/PatchAPK.java

@@ -100,7 +100,6 @@ public class PatchAPK {
         repack.delete();
 
         mm.mDB.setStrings(Const.Key.SU_MANAGER, pkg);
-        mm.mDB.flush();
         Data.exportPrefs();
         RootUtils.uninstallPkg(Const.ORIG_PKG_NAME);
 

app/src/full/java/com/topjohnwu/magisk/container/Policy.java

@@ -3,7 +3,6 @@ package com.topjohnwu.magisk.container;
 import android.content.ContentValues;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
-import android.database.Cursor;
 
 import com.topjohnwu.magisk.utils.Utils;
 
@@ -31,19 +30,19 @@ public class Policy implements Comparable<Policy>{
         appName = Utils.getAppLabel(info, pm);
     }
 
-    public Policy(Cursor c, PackageManager pm) throws PackageManager.NameNotFoundException {
+    public Policy(ContentValues values, PackageManager pm) throws PackageManager.NameNotFoundException {
-        uid = c.getInt(c.getColumnIndex("uid"));
+        uid = values.getAsInteger("uid");
-        packageName = c.getString(c.getColumnIndex("package_name"));
+        packageName = values.getAsString("package_name");
-        policy = c.getInt(c.getColumnIndex("policy"));
+        policy = values.getAsInteger("policy");
-        until = c.getLong(c.getColumnIndex("until"));
+        until = values.getAsInteger("until");
-        logging = c.getInt(c.getColumnIndex("logging")) != 0;
+        logging = values.getAsInteger("logging") != 0;
-        notification = c.getInt(c.getColumnIndex("notification")) != 0;
+        notification = values.getAsInteger("notification") != 0;
         info = pm.getApplicationInfo(packageName, 0);
         if (info.uid != uid)
             throw new PackageManager.NameNotFoundException();
         appName = info.loadLabel(pm).toString();
     }
-    
+
     public ContentValues getContentValues() {
         ContentValues values = new ContentValues();
         values.put("uid", uid);

app/src/full/java/com/topjohnwu/magisk/container/SuLogEntry.java

@@ -1,7 +1,6 @@
 package com.topjohnwu.magisk.container;
 
 import android.content.ContentValues;
-import android.database.Cursor;
 
 import com.topjohnwu.magisk.utils.LocaleManager;
 
@@ -22,15 +21,15 @@ public class SuLogEntry {
         appName = policy.appName;
     }
 
-    public SuLogEntry(Cursor c) {
+    public SuLogEntry(ContentValues values) {
-        fromUid = c.getInt(c.getColumnIndex("from_uid"));
+        fromUid = values.getAsInteger("from_uid");
-        fromPid = c.getInt(c.getColumnIndex("from_pid"));
+        packageName = values.getAsString("package_name");
-        toUid = c.getInt(c.getColumnIndex("to_uid"));
+        appName = values.getAsString("app_name");
-        packageName = c.getString(c.getColumnIndex("package_name"));
+        fromPid = values.getAsInteger("from_pid");
-        appName = c.getString(c.getColumnIndex("app_name"));
+        command = values.getAsString("command");
-        command = c.getString(c.getColumnIndex("command"));
+        toUid = values.getAsInteger("to_uid");
-        action = c.getInt(c.getColumnIndex("action")) != 0;
+        action = values.getAsInteger("action") != 0;
-        date = new Date(c.getLong(c.getColumnIndex("time")));
+        date = new Date(values.getAsLong("time"));
     }
 
     public ContentValues getContentValues() {

app/src/full/java/com/topjohnwu/magisk/database/MagiskDB.java

@@ -0,0 +1,60 @@
+package com.topjohnwu.magisk.database;
+
+import com.topjohnwu.magisk.Const;
+import com.topjohnwu.magisk.container.Policy;
+import com.topjohnwu.magisk.container.SuLogEntry;
+import com.topjohnwu.magisk.utils.Utils;
+
+import java.io.File;
+import java.util.List;
+
+import androidx.annotation.NonNull;
+
+public abstract class MagiskDB {
+
+    public static final int DATABASE_VER = 6;
+    public static final int OLD_DATABASE_VER = 5;
+    public static final String POLICY_TABLE = "policies";
+    public static final String LOG_TABLE = "logs";
+    public static final String SETTINGS_TABLE = "settings";
+    public static final String STRINGS_TABLE = "strings";
+    public static final File LEGACY_MANAGER_DB =
+            new File(Utils.fmt("/sbin/.core/db-%d/magisk.db", Const.USER_ID));
+
+    @NonNull
+    public static MagiskDB getInstance() {
+        return MagiskDBLegacy.newInstance();
+    }
+
+    public abstract void clearOutdated();
+
+    public void deletePolicy(Policy policy) {
+        deletePolicy(policy.uid);
+    }
+
+    public abstract void deletePolicy(String pkg);
+
+    public abstract void deletePolicy(int uid);
+
+    public abstract Policy getPolicy(int uid);
+
+    public abstract void addPolicy(Policy policy);
+
+    public abstract void updatePolicy(Policy policy);
+
+    public abstract List<Policy> getPolicyList();
+
+    public abstract List<List<SuLogEntry>> getLogs();
+
+    public abstract void addLog(SuLogEntry log);
+
+    public abstract void clearLogs();
+
+    public abstract void setSettings(String key, int value);
+
+    public abstract int getSettings(String key, int defaultValue);
+
+    public abstract void setStrings(String key, String value);
+
+    public abstract String getStrings(String key, String defaultValue);
+}

app/src/full/java/com/topjohnwu/magisk/database/MagiskDBLegacy.java

@@ -4,6 +4,7 @@ import android.content.ContentValues;
 import android.content.Context;
 import android.content.pm.PackageManager;
 import android.database.Cursor;
+import android.database.DatabaseUtils;
 import android.database.sqlite.SQLiteDatabase;
 import android.os.Build;
 import android.os.Process;
@@ -21,46 +22,29 @@ import com.topjohnwu.magisk.utils.Utils;
 import com.topjohnwu.superuser.Shell;
 import com.topjohnwu.superuser.io.SuFile;
 
-import java.io.File;
 import java.text.DateFormat;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Date;
 import java.util.List;
 
-import androidx.annotation.NonNull;
+public class MagiskDBLegacy extends MagiskDB {
-
-public class MagiskDatabaseHelper {
-
-    private static final int DATABASE_VER = 6;
-    private static final int OLD_DATABASE_VER = 5;
-    private static final String POLICY_TABLE = "policies";
-    private static final String LOG_TABLE = "logs";
-    private static final String SETTINGS_TABLE = "settings";
-    private static final String STRINGS_TABLE = "strings";
-    private static final File MANAGER_DB =
-            new File(Utils.fmt("/sbin/.core/db-%d/magisk.db", Const.USER_ID));
 
     private PackageManager pm;
     private SQLiteDatabase db;
 
-    @NonNull
+    static MagiskDBLegacy newInstance() {
-    public static MagiskDatabaseHelper getInstance() {
         try {
-            return new MagiskDatabaseHelper();
+            return new MagiskDBLegacy();
         } catch (Exception e) {
             // Let's cleanup everything and try again
             Shell.su("db_clean '*'").exec();
-            return new MagiskDatabaseHelper();
+            return new MagiskDBLegacy();
         }
     }
 
-    private MagiskDatabaseHelper() {
+    private MagiskDBLegacy() {
         pm = Data.MM().getPackageManager();
-        init();
-    }
-
-    private void init() {
         db = openDatabase();
         db.disableWriteAheadLogging();
         int version = Data.magiskVersionCode >= Const.MAGISK_VER.DBVER_SIX ? DATABASE_VER : OLD_DATABASE_VER;
@@ -79,7 +63,7 @@ public class MagiskDatabaseHelper {
         MagiskManager mm = Data.MM();
         Context de = Build.VERSION.SDK_INT >= Build.VERSION_CODES.N
                 ? mm.createDeviceProtectedStorageContext() : mm;
-        if (!MANAGER_DB.canWrite()) {
+        if (!LEGACY_MANAGER_DB.canWrite()) {
             if (!Shell.rootAccess() || Data.magiskVersionCode < 0) {
                 // We don't want the app to crash, create a db and return
                 return mm.openOrCreateDatabase("su.db", Context.MODE_PRIVATE, null);
@@ -102,7 +86,7 @@ public class MagiskDatabaseHelper {
             Shell.su("db_setup " + Process.myUid()).exec();
         }
         // Not using legacy mode, open the mounted global DB
-        return SQLiteDatabase.openOrCreateDatabase(MANAGER_DB, null);
+        return SQLiteDatabase.openOrCreateDatabase(LEGACY_MANAGER_DB, null);
     }
 
     private void onUpgrade(SQLiteDatabase db, int oldVersion) {
@@ -159,27 +143,23 @@ public class MagiskDatabaseHelper {
         // Policies
         db.execSQL(
                 "CREATE TABLE IF NOT EXISTS " + POLICY_TABLE + " " +
-                "(uid INT, package_name TEXT, policy INT, " +
+                        "(uid INT, package_name TEXT, policy INT, " +
-                "until INT, logging INT, notification INT, " +
+                        "until INT, logging INT, notification INT, " +
-                "PRIMARY KEY(uid))");
+                        "PRIMARY KEY(uid))");
 
         // Logs
         db.execSQL(
                 "CREATE TABLE IF NOT EXISTS " + LOG_TABLE + " " +
-                "(from_uid INT, package_name TEXT, app_name TEXT, from_pid INT, " +
+                        "(from_uid INT, package_name TEXT, app_name TEXT, from_pid INT, " +
-                "to_uid INT, action INT, time INT, command TEXT)");
+                        "to_uid INT, action INT, time INT, command TEXT)");
 
         // Settings
         db.execSQL(
                 "CREATE TABLE IF NOT EXISTS " + SETTINGS_TABLE + " " +
-                "(key TEXT, value INT, PRIMARY KEY(key))");
+                        "(key TEXT, value INT, PRIMARY KEY(key))");
-    }
-
-    public void flush() {
-        db.close();
-        init();
     }
 
+    @Override
     public void clearOutdated() {
         // Clear outdated policies
         db.delete(POLICY_TABLE, Utils.fmt("until > 0 AND until < %d", System.currentTimeMillis() / 1000), null);
@@ -187,23 +167,24 @@ public class MagiskDatabaseHelper {
         db.delete(LOG_TABLE, Utils.fmt("time < %d", System.currentTimeMillis() - Data.suLogTimeout * 86400000), null);
     }
 
-    public void deletePolicy(Policy policy) {
+    @Override
-        deletePolicy(policy.uid);
-    }
-
     public void deletePolicy(String pkg) {
         db.delete(POLICY_TABLE, "package_name=?", new String[] { pkg });
     }
 
+    @Override
     public void deletePolicy(int uid) {
         db.delete(POLICY_TABLE, Utils.fmt("uid=%d", uid), null);
     }
 
+    @Override
     public Policy getPolicy(int uid) {
         Policy policy = null;
         try (Cursor c = db.query(POLICY_TABLE, null, Utils.fmt("uid=%d", uid), null, null, null, null)) {
             if (c.moveToNext()) {
-                policy = new Policy(c, pm);
+                ContentValues values = new ContentValues();
+                DatabaseUtils.cursorRowToContentValues(c, values);
+                policy = new Policy(values, pm);
             }
         } catch (PackageManager.NameNotFoundException e) {
             deletePolicy(uid);
@@ -212,21 +193,26 @@ public class MagiskDatabaseHelper {
         return policy;
     }
 
+    @Override
     public void addPolicy(Policy policy) {
         db.replace(POLICY_TABLE, null, policy.getContentValues());
     }
 
+    @Override
     public void updatePolicy(Policy policy) {
         db.update(POLICY_TABLE, policy.getContentValues(), Utils.fmt("uid=%d", policy.uid), null);
     }
 
-    public List<Policy> getPolicyList(PackageManager pm) {
+    @Override
+    public List<Policy> getPolicyList() {
         try (Cursor c = db.query(POLICY_TABLE, null, Utils.fmt("uid/100000=%d", Const.USER_ID),
                 null, null, null, null)) {
             List<Policy> ret = new ArrayList<>(c.getCount());
             while (c.moveToNext()) {
                 try {
-                    Policy policy = new Policy(c, pm);
+                    ContentValues values = new ContentValues();
+                    DatabaseUtils.cursorRowToContentValues(c, values);
+                    Policy policy = new Policy(values, pm);
                     ret.add(policy);
                 } catch (PackageManager.NameNotFoundException e) {
                     // The app no longer exist, remove from DB
@@ -238,11 +224,12 @@ public class MagiskDatabaseHelper {
         }
     }
 
-    public List<List<Integer>> getLogStructure() {
+    @Override
-        try (Cursor c = db.query(LOG_TABLE, new String[] { "time" }, Utils.fmt("from_uid/100000=%d", Const.USER_ID),
+    public List<List<SuLogEntry>> getLogs() {
+        try (Cursor c = db.query(LOG_TABLE, null, Utils.fmt("from_uid/100000=%d", Const.USER_ID),
                 null, null, null, "time DESC")) {
-            List<List<Integer>> ret = new ArrayList<>();
+            List<List<SuLogEntry>> ret = new ArrayList<>();
-            List<Integer> list = null;
+            List<SuLogEntry> list = null;
             String dateString = null, newString;
             while (c.moveToNext()) {
                 Date date = new Date(c.getLong(c.getColumnIndex("time")));
@@ -252,25 +239,25 @@ public class MagiskDatabaseHelper {
                     list = new ArrayList<>();
                     ret.add(list);
                 }
-                list.add(c.getPosition());
+                ContentValues values = new ContentValues();
+                DatabaseUtils.cursorRowToContentValues(c, values);
+                list.add(new SuLogEntry(values));
             }
             return ret;
         }
     }
 
-    public Cursor getLogCursor() {
+    @Override
-        return db.query(LOG_TABLE, null, Utils.fmt("from_uid/100000=%d", Const.USER_ID),
-                null, null, null, "time DESC");
-    }
-
     public void addLog(SuLogEntry log) {
         db.insert(LOG_TABLE, null, log.getContentValues());
     }
 
+    @Override
     public void clearLogs() {
         db.delete(LOG_TABLE, null, null);
     }
 
+    @Override
     public void setSettings(String key, int value) {
         ContentValues data = new ContentValues();
         data.put("key", key);
@@ -278,6 +265,7 @@ public class MagiskDatabaseHelper {
         db.replace(SETTINGS_TABLE, null, data);
     }
 
+    @Override
     public int getSettings(String key, int defaultValue) {
         int value = defaultValue;
         try (Cursor c = db.query(SETTINGS_TABLE, null, "key=?",new String[] { key }, null, null, null)) {
@@ -288,6 +276,7 @@ public class MagiskDatabaseHelper {
         return value;
     }
 
+    @Override
     public void setStrings(String key, String value) {
         if (value == null) {
             db.delete(STRINGS_TABLE, "key=?", new String[] { key });
@@ -299,6 +288,7 @@ public class MagiskDatabaseHelper {
         }
     }
 
+    @Override
     public String getStrings(String key, String defaultValue) {
         String value = defaultValue;
         try (Cursor c = db.query(STRINGS_TABLE, null, "key=?",new String[] { key }, null, null, null)) {

app/src/full/java/com/topjohnwu/magisk/fragments/SuperuserFragment.java

@@ -48,7 +48,7 @@ public class SuperuserFragment extends BaseFragment {
     }
 
     private void displayPolicyList() {
-        List<Policy> policyList = mm.mDB.getPolicyList(pm);
+        List<Policy> policyList = mm.mDB.getPolicyList();
 
         if (policyList.size() == 0) {
             emptyRv.setVisibility(View.VISIBLE);