Add parcelables

app/src/main/java/com/kunzisoft/keepass/activities/EntryEditActivity.java

@@ -178,7 +178,7 @@ public class EntryEditActivity extends LockingHideActivity
 
 		PwDatabase pm = db.getPwDatabase();
 		if ( uuidBytes == null ) {
-            PwGroupId parentId = (PwGroupId) intent.getSerializableExtra(KEY_PARENT);
+            PwGroupId parentId = intent.getParcelableExtra(KEY_PARENT);
 			PwGroup parent = pm.getGroupByGroupId(parentId);
 			mEntry = db.createEntry(parent);
 			mIsNew = true;
@@ -548,7 +548,7 @@ public class EntryEditActivity extends LockingHideActivity
             if (mCallbackNewEntry != null) {
                 Bundle bundle = new Bundle();
                 Intent intentEntry = new Intent();
-                bundle.putSerializable(ADD_OR_UPDATE_ENTRY_KEY, mCallbackNewEntry);
+                bundle.putParcelable(ADD_OR_UPDATE_ENTRY_KEY, mCallbackNewEntry);
                 intentEntry.putExtras(bundle);
                 if (mIsNew) {
                     setResult(ADD_ENTRY_RESULT_CODE, intentEntry);

app/src/main/java/com/kunzisoft/keepass/activities/GroupActivity.java

@@ -205,14 +205,14 @@ public class GroupActivity extends ListNodesActivity
 
         if (savedInstanceState != null) {
             if (savedInstanceState.containsKey(OLD_GROUP_TO_UPDATE_KEY))
-                oldGroupToUpdate = (PwGroup) savedInstanceState.getSerializable(OLD_GROUP_TO_UPDATE_KEY);
+                oldGroupToUpdate = savedInstanceState.getParcelable(OLD_GROUP_TO_UPDATE_KEY);
 
             if (savedInstanceState.containsKey(NODE_TO_COPY_KEY)) {
-                nodeToCopy = (PwNode) savedInstanceState.getSerializable(NODE_TO_COPY_KEY);
+                nodeToCopy = savedInstanceState.getParcelable(NODE_TO_COPY_KEY);
                 toolbarPaste.setOnMenuItemClickListener(new OnCopyMenuItemClickListener());
             }
             else if (savedInstanceState.containsKey(NODE_TO_MOVE_KEY)) {
-                nodeToMove = (PwNode) savedInstanceState.getSerializable(NODE_TO_MOVE_KEY);
+                nodeToMove = savedInstanceState.getParcelable(NODE_TO_MOVE_KEY);
                 toolbarPaste.setOnMenuItemClickListener(new OnMoveMenuItemClickListener());
             }
         }
@@ -234,24 +234,24 @@ public class GroupActivity extends ListNodesActivity
 
     @Override
     protected void onSaveInstanceState(Bundle outState) {
-        outState.putSerializable(GROUP_ID_KEY, mCurrentGroup.getId());
+        outState.putParcelable(GROUP_ID_KEY, mCurrentGroup.getId());
-        outState.putSerializable(OLD_GROUP_TO_UPDATE_KEY, oldGroupToUpdate);
+        outState.putParcelable(OLD_GROUP_TO_UPDATE_KEY, oldGroupToUpdate);
         if (nodeToCopy != null)
-            outState.putSerializable(NODE_TO_COPY_KEY, nodeToCopy);
+            outState.putParcelable(NODE_TO_COPY_KEY, nodeToCopy);
         if (nodeToMove != null)
-            outState.putSerializable(NODE_TO_MOVE_KEY, nodeToMove);
+            outState.putParcelable(NODE_TO_MOVE_KEY, nodeToMove);
         super.onSaveInstanceState(outState);
     }
 
 	protected PwGroup retrieveCurrentGroup(@Nullable Bundle savedInstanceState) {
 
-        PwGroupId pwGroupId = null; // TODO Parcelable
+        PwGroupId pwGroupId = null;
         if (savedInstanceState != null
                 && savedInstanceState.containsKey(GROUP_ID_KEY)) {
-            pwGroupId = (PwGroupId) savedInstanceState.getSerializable(GROUP_ID_KEY);
+            pwGroupId = savedInstanceState.getParcelable(GROUP_ID_KEY);
         } else {
             if (getIntent() != null)
-                pwGroupId = (PwGroupId) getIntent().getSerializableExtra(GROUP_ID_KEY);
+                pwGroupId = getIntent().getParcelableExtra(GROUP_ID_KEY);
         }
 
         Database db = App.getDB();

app/src/main/java/com/kunzisoft/keepass/activities/ListNodesFragment.java

@@ -52,7 +52,7 @@ public class ListNodesFragment extends StylishFragment implements
     public static ListNodesFragment newInstance(PwGroup group) {
         Bundle bundle = new Bundle();
         if (group != null) {
-            bundle.putSerializable(GROUP_KEY, group);
+            bundle.putParcelable(GROUP_KEY, group);
         }
         ListNodesFragment listNodesFragment = new ListNodesFragment();
         listNodesFragment.setArguments(bundle);
@@ -62,7 +62,7 @@ public class ListNodesFragment extends StylishFragment implements
     public static ListNodesFragment newInstance(PwGroupId groupId) {
         Bundle bundle=new Bundle();
         if (groupId != null) {
-            bundle.putSerializable(GROUP_ID_KEY, groupId);
+            bundle.putParcelable(GROUP_ID_KEY, groupId);
         }
         ListNodesFragment listNodesFragment = new ListNodesFragment();
         listNodesFragment.setArguments(bundle);
@@ -117,7 +117,7 @@ public class ListNodesFragment extends StylishFragment implements
         prefs = PreferenceManager.getDefaultSharedPreferences(getContext());
     }
 
-    protected PwGroup initCurrentGroup() { // TODO Change by parcelable
+    protected PwGroup initCurrentGroup() {
 
         Database db = App.getDB();
         PwGroup root = db.getPwDatabase().getRootGroup();
@@ -126,11 +126,11 @@ public class ListNodesFragment extends StylishFragment implements
         if (getArguments() != null) {
             // Contains all the group in element
             if (getArguments().containsKey(GROUP_KEY)) {
-                currentGroup = (PwGroup) getArguments().getSerializable(GROUP_KEY);
+                currentGroup = getArguments().getParcelable(GROUP_KEY);
             }
             // Contains only the group id, so the group must be retrieve
             if (getArguments().containsKey(GROUP_ID_KEY)) {
-                PwGroupId pwGroupId = (PwGroupId) getArguments().getSerializable(GROUP_ID_KEY);
+                PwGroupId pwGroupId = getArguments().getParcelable(GROUP_ID_KEY);
                 if ( pwGroupId != null )
                     currentGroup = db.getPwDatabase().getGroupByGroupId(pwGroupId);
             }
@@ -249,7 +249,7 @@ public class ListNodesFragment extends StylishFragment implements
             case EntryEditActivity.ADD_OR_UPDATE_ENTRY_REQUEST_CODE:
                 if (resultCode == EntryEditActivity.ADD_ENTRY_RESULT_CODE ||
                         resultCode == EntryEditActivity.UPDATE_ENTRY_RESULT_CODE) {
-                    PwNode newNode = (PwNode) data.getSerializableExtra(EntryEditActivity.ADD_OR_UPDATE_ENTRY_KEY);
+                    PwNode newNode = data.getParcelableExtra(EntryEditActivity.ADD_OR_UPDATE_ENTRY_KEY);
                     if (newNode != null) {
                         if (resultCode == EntryEditActivity.ADD_ENTRY_RESULT_CODE)
                             mAdapter.addNode(newNode);

app/src/main/java/com/kunzisoft/keepass/database/AutoType.java

@@ -19,20 +19,57 @@
  */
 package com.kunzisoft.keepass.database;
 
-import java.io.Serializable;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import com.kunzisoft.keepass.utils.MemUtil;
+
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
 
-public class AutoType implements Cloneable, Serializable {
+public class AutoType implements Cloneable, Parcelable {
     private static final long OBF_OPT_NONE = 0;
 
     public boolean enabled = true;
     public long obfuscationOptions = OBF_OPT_NONE;
     public String defaultSequence = "";
-
     private HashMap<String, String> windowSeqPairs = new HashMap<>();
 
+    public AutoType() {}
+
+    public AutoType(Parcel in) {
+        enabled = in.readByte() != 0;
+        obfuscationOptions = in.readLong();
+        defaultSequence = in.readString();
+        windowSeqPairs = MemUtil.readStringParcelableMap(in);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeByte((byte) (enabled ? 1 : 0));
+        dest.writeLong(obfuscationOptions);
+        dest.writeString(defaultSequence);
+        MemUtil.writeStringParcelableMap(dest, windowSeqPairs);
+    }
+
+    public static final Parcelable.Creator<AutoType> CREATOR = new Parcelable.Creator<AutoType>() {
+        @Override
+        public AutoType createFromParcel(Parcel in) {
+            return new AutoType(in);
+        }
+
+        @Override
+        public AutoType[] newArray(int size) {
+            return new AutoType[size];
+        }
+    };
+
     @SuppressWarnings("unchecked")
     public AutoType clone() {
         AutoType auto;

app/src/main/java/com/kunzisoft/keepass/database/ExtraFields.java

@@ -19,9 +19,12 @@
  */
 package com.kunzisoft.keepass.database;
 
-import com.kunzisoft.keepass.database.security.ProtectedString;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+import com.kunzisoft.keepass.database.security.ProtectedString;
+import com.kunzisoft.keepass.utils.MemUtil;
 
-import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
@@ -32,7 +35,7 @@ import static com.kunzisoft.keepass.database.PwEntryV4.STR_TITLE;
 import static com.kunzisoft.keepass.database.PwEntryV4.STR_URL;
 import static com.kunzisoft.keepass.database.PwEntryV4.STR_USERNAME;
 
-public class ExtraFields implements Serializable, Cloneable {
+public class ExtraFields implements Parcelable, Cloneable {
 
     private Map<String, ProtectedString> fields;
 
@@ -40,6 +43,32 @@ public class ExtraFields implements Serializable, Cloneable {
         fields = new HashMap<>();
     }
 
+    public ExtraFields(Parcel in) {
+        fields = MemUtil.readStringParcelableMap(in, ProtectedString.class);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        MemUtil.writeStringParcelableMap(dest, flags, fields);
+    }
+
+    public static final Parcelable.Creator<ExtraFields> CREATOR = new Parcelable.Creator<ExtraFields>() {
+        @Override
+        public ExtraFields createFromParcel(Parcel in) {
+            return new ExtraFields(in);
+        }
+
+        @Override
+        public ExtraFields[] newArray(int size) {
+            return new ExtraFields[size];
+        }
+    };
+
     public boolean containsCustomFields() {
         return !getCustomProtectedFields().keySet().isEmpty();
     }

app/src/main/java/com/kunzisoft/keepass/database/PwDate.java

@@ -19,10 +19,12 @@
  */
 package com.kunzisoft.keepass.database;
 
+import android.os.Parcel;
+import android.os.Parcelable;
+
 import com.kunzisoft.keepass.app.App;
 import com.kunzisoft.keepass.utils.Types;
 
-import java.io.Serializable;
 import java.util.Arrays;
 import java.util.Calendar;
 import java.util.Date;
@@ -33,15 +35,14 @@ import java.util.Date;
  * @author bpellin
  *
  */
-public class PwDate implements Cloneable, Serializable {
+public class PwDate implements Cloneable, Parcelable {
 
 	private static final int DATE_SIZE = 5; 
-	
+
-	private boolean cDateBuilt = false;
+    private Date jDate;
 	private boolean jDateBuilt = false;
-	
-	private Date jDate;
 	private byte[] cDate;
+    private boolean cDateBuilt = false;
 
     public static final Date NEVER_EXPIRE = getNeverExpire();
     public static final Date DEFAULT_DATE = getDefaultDate();
@@ -93,6 +94,38 @@ public class PwDate implements Cloneable, Serializable {
 		jDate = new Date();
 		jDateBuilt = true;
 	}
+
+	protected PwDate(Parcel in) {
+        jDate = (Date) in.readSerializable();
+        jDateBuilt = in.readByte() != 0;
+        in.readByteArray(cDate);
+        cDateBuilt = in.readByte() != 0;
+	}
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+	public void writeToParcel(Parcel dest, int flags) {
+        dest.writeSerializable(jDate);
+        dest.writeByte((byte) (jDateBuilt ? 1 : 0));
+        dest.writeByteArray(cDate);
+		dest.writeByte((byte) (cDateBuilt ? 1 : 0));
+	}
+
+	public static final Creator<PwDate> CREATOR = new Creator<PwDate>() {
+		@Override
+		public PwDate createFromParcel(Parcel in) {
+			return new PwDate(in);
+		}
+
+		@Override
+		public PwDate[] newArray(int size) {
+			return new PwDate[size];
+		}
+	};
 	
 	@Override
 	public PwDate clone() {

app/src/main/java/com/kunzisoft/keepass/database/PwEntry.java

@@ -19,6 +19,8 @@
  */
 package com.kunzisoft.keepass.database;
 
+import android.os.Parcel;
+
 import com.kunzisoft.keepass.database.iterator.EntrySearchStringIterator;
 import com.kunzisoft.keepass.database.security.ProtectedString;
 
@@ -30,6 +32,19 @@ public abstract class PwEntry<Parent extends PwGroup> extends PwNode<Parent> {
 
 	protected UUID uuid = PwDatabase.UUID_ZERO;
 
+	public PwEntry() {}
+
+	public PwEntry(Parcel in) {
+		super(in);
+		uuid = (UUID) in.readSerializable();
+	}
+
+	@Override
+	public void writeToParcel(Parcel dest, int flags) {
+		super.writeToParcel(dest, flags);
+		dest.writeSerializable(uuid);
+	}
+
 	@Override
 	protected void construct(Parent parent) {
 	    super.construct(parent);

app/src/main/java/com/kunzisoft/keepass/database/PwEntryV3.java

@@ -42,6 +42,8 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 package com.kunzisoft.keepass.database;
 
+import android.os.Parcel;
+
 import java.io.UnsupportedEncodingException;
 import java.util.UUID;
 
@@ -77,13 +79,11 @@ public class PwEntryV3 extends PwEntry<PwGroupV3> {
 
     // TODO Parent ID to remove
     private int groupId;
-
     private String title;
 	private	String username;
 	private byte[] password;
 	private String url;
 	private String additional;
-
 	/** A string describing what is in pBinaryData */
 	private String           binaryDesc;
 	private byte[]          binaryData;
@@ -97,6 +97,43 @@ public class PwEntryV3 extends PwEntry<PwGroupV3> {
 		groupId = ((PwGroupIdV3) this.parent.getId()).getId(); // TODO remove
 	}
 
+    public PwEntryV3(Parcel in) {
+        super(in);
+        groupId = in.readInt();
+        title = in.readString();
+        username = in.readString();
+        in.readByteArray(password);
+        url = in.readString();
+        additional = in.readString();
+        binaryDesc = in.readString();
+        in.readByteArray(binaryData);
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        super.writeToParcel(dest, flags);
+        dest.writeInt(groupId);
+        dest.writeString(title);
+        dest.writeString(username);
+        dest.writeByteArray(password);
+        dest.writeString(url);
+        dest.writeString(additional);
+        dest.writeString(binaryDesc);
+        dest.writeByteArray(binaryData);
+    }
+
+    public static final Creator<PwEntryV3> CREATOR = new Creator<PwEntryV3>() {
+        @Override
+        public PwEntryV3 createFromParcel(Parcel in) {
+            return new PwEntryV3(in);
+        }
+
+        @Override
+        public PwEntryV3[] newArray(int size) {
+            return new PwEntryV3[size];
+        }
+    };
+
     protected void updateWith(PwEntryV3 source) {
         super.assign(source);
         groupId = source.groupId;

app/src/main/java/com/kunzisoft/keepass/database/PwEntryV4.java

@@ -19,8 +19,11 @@
  */
 package com.kunzisoft.keepass.database;
 
+import android.os.Parcel;
+
 import com.kunzisoft.keepass.database.security.ProtectedBinary;
 import com.kunzisoft.keepass.database.security.ProtectedString;
+import com.kunzisoft.keepass.utils.MemUtil;
 import com.kunzisoft.keepass.utils.SprEngineV4;
 
 import java.util.ArrayList;
@@ -37,7 +40,7 @@ public class PwEntryV4 extends PwEntry<PwGroupV4> implements ITimeLogger {
 	public static final String STR_URL = "URL";
 	public static final String STR_NOTES = "Notes";
 
-	// To decode each field not serializable
+	// To decode each field not parcelable
     private transient PwDatabaseV4 mDatabase = null;
     private transient boolean mDecodeRef = false;
 
@@ -45,7 +48,6 @@ public class PwEntryV4 extends PwEntry<PwGroupV4> implements ITimeLogger {
     private long usageCount = 0;
     private PwDate parentGroupLastMod = new PwDate();
     private Map<String, String> customData = new HashMap<>();
-
     private ExtraFields fields = new ExtraFields();
     private HashMap<String, ProtectedBinary> binaries = new HashMap<>();
 	private String foregroundColor = "";
@@ -53,7 +55,6 @@ public class PwEntryV4 extends PwEntry<PwGroupV4> implements ITimeLogger {
 	private String overrideURL = "";
 	private AutoType autoType = new AutoType();
 	private ArrayList<PwEntryV4> history = new ArrayList<>();
-
 	private String url = "";
 	private String additional = "";
 	private String tags = "";
@@ -71,8 +72,8 @@ public class PwEntryV4 extends PwEntry<PwGroupV4> implements ITimeLogger {
         customIcon = source.customIcon;
         usageCount = source.usageCount;
         parentGroupLastMod = source.parentGroupLastMod;
-        // TODO customData
+        customData.clear();
-
+		customData.putAll(source.customData); // Add all custom elements in map
         fields = source.fields;
         binaries = source.binaries;
         foregroundColor = source.foregroundColor;
@@ -80,12 +81,60 @@ public class PwEntryV4 extends PwEntry<PwGroupV4> implements ITimeLogger {
         overrideURL = source.overrideURL;
         autoType = source.autoType;
         history = source.history;
-
         url = source.url;
         additional = source.additional;
         tags = source.tags;
     }
 
+	public PwEntryV4(Parcel in) {
+		super(in);
+		customIcon = in.readParcelable(PwIconCustom.class.getClassLoader());
+		usageCount = in.readLong();
+		parentGroupLastMod = in.readParcelable(PwDate.class.getClassLoader());
+		customData = MemUtil.readStringParcelableMap(in);
+		fields = in.readParcelable(ExtraFields.class.getClassLoader());
+		binaries = MemUtil.readStringParcelableMap(in, ProtectedBinary.class);
+		foregroundColor = in.readString();
+		backgroupColor = in.readString();
+		overrideURL = in.readString();
+		autoType = in.readParcelable(AutoType.class.getClassLoader());
+		history = in.readArrayList(PwEntryV4.class.getClassLoader()); // TODO verify
+		url = in.readString();
+		additional = in.readString();
+		tags = in.readString();
+	}
+
+	@Override
+	public void writeToParcel(Parcel dest, int flags) {
+		super.writeToParcel(dest, flags);
+		dest.writeParcelable(customIcon, flags);
+		dest.writeLong(usageCount);
+		dest.writeParcelable(parentGroupLastMod, flags);
+		MemUtil.writeStringParcelableMap(dest, customData);
+		dest.writeParcelable(fields, flags);
+        MemUtil.writeStringParcelableMap(dest, flags, binaries);
+		dest.writeString(foregroundColor);
+		dest.writeString(backgroupColor);
+		dest.writeString(overrideURL);
+		dest.writeParcelable(autoType, flags);
+		dest.writeList(history);
+		dest.writeString(url);
+		dest.writeString(additional);
+		dest.writeString(tags);
+	}
+
+	public static final Creator<PwEntryV4> CREATOR = new Creator<PwEntryV4>() {
+		@Override
+		public PwEntryV4 createFromParcel(Parcel in) {
+			return new PwEntryV4(in);
+		}
+
+		@Override
+		public PwEntryV4[] newArray(int size) {
+			return new PwEntryV4[size];
+		}
+	};
+
     @SuppressWarnings("unchecked")
     @Override
     public PwEntryV4 clone() {

app/src/main/java/com/kunzisoft/keepass/database/PwGroup.java

@@ -19,6 +19,8 @@
  */
 package com.kunzisoft.keepass.database;
 
+import android.os.Parcel;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -27,8 +29,24 @@ public abstract class PwGroup<Parent extends PwGroup, ChildGroup extends PwGroup
 
     protected String name = "";
 
-	protected List<ChildGroup> childGroups = new ArrayList<>();
+    // TODO verify children not needed
-	protected List<ChildEntry> childEntries = new ArrayList<>();
+	transient protected List<ChildGroup> childGroups = new ArrayList<>();
+    transient protected List<ChildEntry> childEntries = new ArrayList<>();
+
+    protected PwGroup() {
+        super();
+    }
+
+    protected PwGroup(Parcel in) {
+        super(in);
+        name = in.readString();
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        super.writeToParcel(dest, flags);
+        dest.writeString(name);
+    }
 
     @Override
     public PwGroup clone() {

app/src/main/java/com/kunzisoft/keepass/database/PwGroupId.java

@@ -19,8 +19,20 @@
  */
 package com.kunzisoft.keepass.database;
 
-import java.io.Serializable;
+import android.os.Parcel;
+import android.os.Parcelable;
 
-public abstract class PwGroupId implements Serializable {
+public abstract class PwGroupId implements Parcelable {
 
+    public PwGroupId() {}
+
+    public PwGroupId(Parcel in) {}
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {}
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
 }

app/src/main/java/com/kunzisoft/keepass/database/PwGroupIdV3.java

@@ -19,13 +19,39 @@
  */
 package com.kunzisoft.keepass.database;
 
+import android.os.Parcel;
+
 public class PwGroupIdV3 extends PwGroupId {
 
 	private int id;
 	
-	public PwGroupIdV3(int i) {
+	public PwGroupIdV3(int groupId) {
-		id = i;
+	    super();
+		this.id = groupId;
 	}
+
+	public PwGroupIdV3(Parcel in) {
+        super(in);
+        id = in.readInt();
+	}
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        super.writeToParcel(dest, flags);
+        dest.writeInt(id);
+    }
+
+    public static final Creator<PwGroupIdV3> CREATOR = new Creator<PwGroupIdV3>() {
+        @Override
+        public PwGroupIdV3 createFromParcel(Parcel in) {
+            return new PwGroupIdV3(in);
+        }
+
+        @Override
+        public PwGroupIdV3[] newArray(int size) {
+            return new PwGroupIdV3[size];
+        }
+    };
 	
 	@Override
 	public boolean equals(Object compare) {

app/src/main/java/com/kunzisoft/keepass/database/PwGroupIdV4.java

@@ -19,15 +19,42 @@
  */
 package com.kunzisoft.keepass.database;
 
+import android.os.Parcel;
+
 import java.util.UUID;
 
 public class PwGroupIdV4 extends PwGroupId {
+
 	private UUID uuid;
 	
-	public PwGroupIdV4(UUID u) {
+	public PwGroupIdV4(UUID uuid) {
-		uuid = u;
+	    super();
+        this.uuid = uuid;
 	}
-	
+
+	public PwGroupIdV4(Parcel in) {
+	    super(in);
+		uuid = (UUID) in.readSerializable();
+	}
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+	    super.writeToParcel(dest, flags);
+        dest.writeSerializable(uuid);
+    }
+
+    public static final Creator<PwGroupIdV4> CREATOR = new Creator<PwGroupIdV4>() {
+        @Override
+        public PwGroupIdV4 createFromParcel(Parcel in) {
+            return new PwGroupIdV4(in);
+        }
+
+        @Override
+        public PwGroupIdV4[] newArray(int size) {
+            return new PwGroupIdV4[size];
+        }
+    };
+
 	@Override
 	public boolean equals(Object id) {
 		if ( ! (id instanceof PwGroupIdV4) ) {
@@ -36,12 +63,12 @@ public class PwGroupIdV4 extends PwGroupId {
 		PwGroupIdV4 v4 = (PwGroupIdV4) id;
 		return uuid.equals(v4.uuid);
 	}
-	
+
 	@Override
 	public int hashCode() {
 		return uuid.hashCode();
 	}
-	
+
 	public UUID getId() {
 		return uuid;
 	}

app/src/main/java/com/kunzisoft/keepass/database/PwGroupV3.java

@@ -20,19 +20,13 @@
 
 package com.kunzisoft.keepass.database;
 
-/**
+import android.os.Parcel;
- * @author Brian Pellin <bpellin@gmail.com>
+
- * @author Naomaru Itoi <nao@phoneid.org>
- * @author Bill Zwicky <wrzwicky@pobox.com>
- * @author Dominik Reichl <dominik.reichl@t-online.de>
- */
 public class PwGroupV3 extends PwGroup<PwGroupV3, PwGroupV3, PwEntryV3> {
 
 	// for tree traversing
 	private int groupId;
-
 	private int level = 0; // short
-
 	/** Used by KeePass internally, don't use */
 	private int flags;
 
@@ -40,6 +34,33 @@ public class PwGroupV3 extends PwGroup<PwGroupV3, PwGroupV3, PwEntryV3> {
         super();
     }
 
+    public PwGroupV3(Parcel in) {
+        super(in);
+        groupId = in.readInt();
+        level = in.readInt();
+        flags = in.readInt();
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        super.writeToParcel(dest, flags);
+        dest.writeInt(groupId);
+        dest.writeInt(level);
+        dest.writeInt(flags);
+    }
+
+    public static final Creator<PwGroupV3> CREATOR = new Creator<PwGroupV3>() {
+        @Override
+        public PwGroupV3 createFromParcel(Parcel in) {
+            return new PwGroupV3(in);
+        }
+
+        @Override
+        public PwGroupV3[] newArray(int size) {
+            return new PwGroupV3[size];
+        }
+    };
+
     public PwGroupV3(PwGroupV3 p) {
         construct(p);
     }

app/src/main/java/com/kunzisoft/keepass/database/PwGroupV4.java

@@ -19,6 +19,10 @@
  */
 package com.kunzisoft.keepass.database;
 
+import android.os.Parcel;
+
+import com.kunzisoft.keepass.utils.MemUtil;
+
 import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
@@ -32,9 +36,7 @@ public class PwGroupV4 extends PwGroup<PwGroupV4, PwGroupV4, PwEntryV4> implemen
     private long usageCount = 0;
     private PwDate parentGroupLastMod = new PwDate();
     private Map<String, String> customData = new HashMap<>();
-
     private boolean expires = false;
-
     private String notes = "";
 	private boolean isExpanded = true;
 	private String defaultAutoTypeSequence = "";
@@ -57,6 +59,53 @@ public class PwGroupV4 extends PwGroup<PwGroupV4, PwGroupV4, PwEntryV4> implemen
 		this.icon = icon;
 	}
 
+    public PwGroupV4(Parcel in) {
+        super(in);
+        uuid = (UUID) in.readSerializable();
+        customIcon = in.readParcelable(PwIconCustom.class.getClassLoader());
+        usageCount = in.readLong();
+        parentGroupLastMod = in.readParcelable(PwDate.class.getClassLoader());
+        customData = MemUtil.readStringParcelableMap(in);
+        expires = in.readByte() != 0;
+        notes = in.readString();
+        isExpanded = in.readByte() != 0;
+        defaultAutoTypeSequence = in.readString();
+        byte autoTypeByte = in.readByte();
+        enableAutoType = (autoTypeByte == -1) ? null : autoTypeByte != 0;
+        byte enableSearchingByte = in.readByte();
+        enableSearching = (enableSearchingByte == -1) ? null : enableSearchingByte != 0;
+        lastTopVisibleEntry = (UUID) in.readSerializable();
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        super.writeToParcel(dest, flags);
+        dest.writeSerializable(uuid);
+        dest.writeParcelable(customIcon, flags);
+        dest.writeLong(usageCount);
+        dest.writeParcelable(parentGroupLastMod, flags);
+        MemUtil.writeStringParcelableMap(dest, customData);
+        dest.writeByte((byte) (expires ? 1 : 0));
+        dest.writeString(notes);
+        dest.writeByte((byte) (isExpanded ? 1 : 0));
+        dest.writeString(defaultAutoTypeSequence);
+        dest.writeByte((byte) (enableAutoType == null ? -1 : (enableAutoType ? 1 : 0)));
+        dest.writeByte((byte) (enableAutoType == null ? -1 : (enableAutoType ? 1 : 0)));
+        dest.writeSerializable(lastTopVisibleEntry);
+    }
+
+    public static final Creator<PwGroupV4> CREATOR = new Creator<PwGroupV4>() {
+        @Override
+        public PwGroupV4 createFromParcel(Parcel in) {
+            return new PwGroupV4(in);
+        }
+
+        @Override
+        public PwGroupV4[] newArray(int size) {
+            return new PwGroupV4[size];
+        }
+    };
+
     protected void updateWith(PwGroupV4 source) {
         super.assign(source);
         uuid = source.uuid;

app/src/main/java/com/kunzisoft/keepass/database/PwIcon.java

@@ -19,11 +19,21 @@
  */
 package com.kunzisoft.keepass.database;
 
-import java.io.Serializable;
+import android.os.Parcel;
+import android.os.Parcelable;
 
-public abstract class PwIcon implements Serializable {
+public abstract class PwIcon implements Parcelable {
 
 	public boolean isMetaStreamIcon() {
 		return false;
 	}
+
+    protected PwIcon() {}
+
+    protected PwIcon(Parcel in) {}
+
+	@Override
+	public int describeContents() {
+		return 0;
+	}
 }

app/src/main/java/com/kunzisoft/keepass/database/PwIconCustom.java

@@ -19,6 +19,8 @@
  */
 package com.kunzisoft.keepass.database;
 
+import android.os.Parcel;
+
 import java.util.UUID;
 
 public class PwIconCustom extends PwIcon {
@@ -27,16 +29,42 @@ public class PwIconCustom extends PwIcon {
 	public final UUID uuid;
 	public byte[] imageData;
 	
-	public PwIconCustom(UUID u, byte[] data) {
+	public PwIconCustom(UUID uuid, byte[] data) {
-		uuid = u;
+	    super();
-		imageData = data;
+		this.uuid = uuid;
+		this.imageData = data;
 	}
 
     public PwIconCustom(PwIconCustom icon) {
+	    super();
         uuid = icon.uuid;
         imageData = icon.imageData;
     }
 
+	protected PwIconCustom(Parcel in) {
+	    super(in);
+        uuid = (UUID) in.readSerializable();
+        in.readByteArray(imageData);
+	}
+
+	@Override
+	public void writeToParcel(Parcel dest, int flags) {
+		dest.writeSerializable(uuid);
+		dest.writeByteArray(imageData);
+	}
+
+    public static final Creator<PwIconCustom> CREATOR = new Creator<PwIconCustom>() {
+        @Override
+        public PwIconCustom createFromParcel(Parcel in) {
+            return new PwIconCustom(in);
+        }
+
+        @Override
+        public PwIconCustom[] newArray(int size) {
+            return new PwIconCustom[size];
+        }
+    };
+
 	@Override
 	public int hashCode() {
 		final int prime = 31;
@@ -55,10 +83,7 @@ public class PwIconCustom extends PwIcon {
 			return false;
 		PwIconCustom other = (PwIconCustom) obj;
 		if (uuid == null) {
-			if (other.uuid != null)
+			return other.uuid == null;
-				return false;
+		} else return uuid.equals(other.uuid);
-		} else if (!uuid.equals(other.uuid))
-			return false;
-		return true;
 	}
 }

app/src/main/java/com/kunzisoft/keepass/database/PwIconStandard.java

@@ -19,6 +19,8 @@
  */
 package com.kunzisoft.keepass.database;
 
+import android.os.Parcel;
+
 public class PwIconStandard extends PwIcon {
 	public final int iconId;
 
@@ -34,6 +36,28 @@ public class PwIconStandard extends PwIcon {
         this.iconId = icon.iconId;
     }
 
+	protected PwIconStandard(Parcel in) {
+		super(in);
+		iconId = in.readInt();
+	}
+
+	@Override
+	public void writeToParcel(Parcel dest, int flags) {
+		dest.writeInt(iconId);
+	}
+
+	public static final Creator<PwIconStandard> CREATOR = new Creator<PwIconStandard>() {
+		@Override
+		public PwIconStandard createFromParcel(Parcel in) {
+			return new PwIconStandard(in);
+		}
+
+		@Override
+		public PwIconStandard[] newArray(int size) {
+			return new PwIconStandard[size];
+		}
+	};
+
 	@Override
 	public boolean isMetaStreamIcon() {
 		return iconId == 0;

app/src/main/java/com/kunzisoft/keepass/database/PwNode.java

@@ -20,33 +20,69 @@
  */
 package com.kunzisoft.keepass.database;
 
-import org.joda.time.LocalDate;
+import android.os.Parcel;
+import android.os.Parcelable;
 
-import java.io.Serializable;
+import com.kunzisoft.keepass.app.App;
+
+import org.joda.time.LocalDate;
 
 /**
  * Abstract class who manage Groups and Entries
  */
-public abstract class PwNode<Parent extends PwGroup> implements ISmallTimeLogger, Serializable, Cloneable {
+public abstract class PwNode<Parent extends PwGroup> implements ISmallTimeLogger, Parcelable, Cloneable {
 
     protected Parent parent = null;
-
     protected PwIconStandard icon = new PwIconStandard(0);
-
     protected PwDate creation = new PwDate();
     protected PwDate lastMod = new PwDate();
     protected PwDate lastAccess = new PwDate();
     protected PwDate expireDate = PwDate.PW_NEVER_EXPIRE;
 
+    protected PwNode() {}
+
+    protected PwNode(Parcel in) {
+        // TODO better technique ?
+        try {
+            PwGroupId pwGroupId = in.readParcelable(PwGroupId.class.getClassLoader());
+            parent = (Parent) App.getDB().getPwDatabase().getGroupByGroupId(pwGroupId);
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        icon = in.readParcelable(PwIconStandard.class.getClassLoader());
+        creation = in.readParcelable(PwDate.class.getClassLoader());
+        lastMod = in.readParcelable(PwDate.class.getClassLoader());
+        lastAccess = in.readParcelable(PwDate.class.getClassLoader());
+        expireDate = in.readParcelable(PwDate.class.getClassLoader());
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        PwGroupId parentId = null;
+        if (parent != null)
+            parentId = parent.getId();
+        dest.writeParcelable(parentId, flags);
+
+        dest.writeParcelable(icon, flags);
+        dest.writeParcelable(creation, flags);
+        dest.writeParcelable(lastMod, flags);
+        dest.writeParcelable(lastAccess, flags);
+        dest.writeParcelable(expireDate, flags);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
     protected void construct(Parent parent) {
         this.parent = parent;
     }
 
     protected void assign(PwNode<Parent> source) {
         this.parent = source.parent;
-
         this.icon = source.icon;
-
         this.creation = source.creation;
         this.lastMod = source.lastMod;
         this.lastAccess = source.lastAccess;
@@ -59,9 +95,7 @@ public abstract class PwNode<Parent extends PwGroup> implements ISmallTimeLogger
         try {
             newNode = (PwNode) super.clone();
             // newNode.parent stay the same in copy
-
             newNode.icon = new PwIconStandard(this.icon);
-
             newNode.creation = creation.clone();
             newNode.lastMod = lastMod.clone();
             newNode.lastAccess = lastAccess.clone();

app/src/main/java/com/kunzisoft/keepass/database/security/ProtectedBinary.java

@@ -19,15 +19,17 @@
  */
 package com.kunzisoft.keepass.database.security;
 
-import java.io.Serializable;
+import android.os.Parcel;
+import android.os.Parcelable;
+
 import java.util.Arrays;
 
-public class ProtectedBinary implements Serializable {
+public class ProtectedBinary implements Parcelable {
 	
 	public final static ProtectedBinary EMPTY = new ProtectedBinary();
-	
+
-	private byte[] data;
 	private boolean protect;
+	private byte[] data;
 	
 	public boolean isProtected() {
 		return protect;
@@ -37,21 +39,22 @@ public class ProtectedBinary implements Serializable {
 		if (data == null) {
 			return 0;
 		}
-		
 		return data.length;
 	}
 	
 	public ProtectedBinary() {
 		this(false, new byte[0]);
-		
 	}
 	
 	public ProtectedBinary(boolean enableProtection, byte[] data) {
-		protect = enableProtection;
+		this.protect = enableProtection;
 		this.data = data;
-		
 	}
-	
+
+	public ProtectedBinary(Parcel in) {
+		protect = in.readByte() != 0;
+		in.readByteArray(data);
+	}
 	
 	// TODO: replace the byte[] with something like ByteBuffer to make the return
 	// value immutable, so we don't have to worry about making deep copies
@@ -63,4 +66,27 @@ public class ProtectedBinary implements Serializable {
 		return (protect == rhs.protect) && Arrays.equals(data, rhs.data);
 	}
 
+	@Override
+	public int describeContents() {
+		return 0;
+	}
+
+	@Override
+	public void writeToParcel(Parcel dest, int flags) {
+		dest.writeByte((byte) (protect ? 1 : 0));
+		dest.writeByteArray(data);
+	}
+
+	public static final Creator<ProtectedBinary> CREATOR = new Creator<ProtectedBinary>() {
+		@Override
+		public ProtectedBinary createFromParcel(Parcel in) {
+			return new ProtectedBinary(in);
+		}
+
+		@Override
+		public ProtectedBinary[] newArray(int size) {
+			return new ProtectedBinary[size];
+		}
+	};
+
 }

app/src/main/java/com/kunzisoft/keepass/database/security/ProtectedString.java

@@ -19,38 +19,66 @@
  */
 package com.kunzisoft.keepass.database.security;
 
-import java.io.Serializable;
+import android.os.Parcel;
+import android.os.Parcelable;
+
+public class ProtectedString implements Parcelable {
 
-public class ProtectedString implements Serializable {
-	
-	private String string;
 	private boolean protect;
-	
+	private String string;
-	public boolean isProtected() {
-		return protect;
-	}
-	
-	public int length() {
-		if (string == null) {
-			return 0;
-		}
-		
-		return string.length();
-	}
 	
 	public ProtectedString() {
 		this(false, "");
 	}
 
     public ProtectedString(ProtectedString toCopy) {
-        this.string = toCopy.string;
         this.protect = toCopy.protect;
+		this.string = toCopy.string;
     }
 	
 	public ProtectedString(boolean enableProtection, String string) {
-		protect = enableProtection;
+		this.protect = enableProtection;
 		this.string = string;
-		
+	}
+
+	public ProtectedString(Parcel in) {
+		protect = in.readByte() != 0;
+		string = in.readString();
+	}
+
+	@Override
+	public int describeContents() {
+		return 0;
+	}
+
+	@Override
+	public void writeToParcel(Parcel dest, int flags) {
+		dest.writeByte((byte) (protect ? 1 : 0));
+		dest.writeString(string);
+	}
+
+	public static final Parcelable.Creator<ProtectedString> CREATOR = new Parcelable.Creator<ProtectedString>() {
+		@Override
+		public ProtectedString createFromParcel(Parcel in) {
+			return new ProtectedString(in);
+		}
+
+		@Override
+		public ProtectedString[] newArray(int size) {
+			return new ProtectedString[size];
+		}
+	};
+
+	public boolean isProtected() {
+		return protect;
+	}
+
+	public int length() {
+		if (string == null) {
+			return 0;
+		}
+
+		return string.length();
 	}
 
 	@Override

app/src/main/java/com/kunzisoft/keepass/dialogs/GroupEditDialogFragment.java

@@ -79,7 +79,7 @@ public class GroupEditDialogFragment extends DialogFragment
     public static GroupEditDialogFragment build(PwNode group) {
         Bundle bundle = new Bundle();
         bundle.putString(KEY_NAME, group.getDisplayTitle());
-        bundle.putSerializable(KEY_ICON_ID, group.getIcon());
+        bundle.putParcelable(KEY_ICON_ID, group.getIcon());
         bundle.putInt(KEY_ACTION_ID, UPDATE.ordinal());
         GroupEditDialogFragment fragment = new GroupEditDialogFragment();
         fragment.setArguments(bundle);
@@ -125,7 +125,7 @@ public class GroupEditDialogFragment extends DialogFragment
                 && savedInstanceState.containsKey(KEY_ICON_ID)) {
             editGroupDialogAction = getActionFromOrdinal(savedInstanceState.getInt(KEY_ACTION_ID));
             nameGroup = savedInstanceState.getString(KEY_NAME);
-            iconGroup = (PwIcon) savedInstanceState.getSerializable(KEY_ICON_ID);
+            iconGroup = savedInstanceState.getParcelable(KEY_ICON_ID);
 
         } else {
 
@@ -137,7 +137,7 @@ public class GroupEditDialogFragment extends DialogFragment
                     && getArguments().containsKey(KEY_NAME)
                     && getArguments().containsKey(KEY_ICON_ID)) {
                 nameGroup = getArguments().getString(KEY_NAME);
-                iconGroup = (PwIcon) getArguments().getSerializable(KEY_ICON_ID);
+                iconGroup = getArguments().getParcelable(KEY_ICON_ID);
             }
         }
 
@@ -206,7 +206,7 @@ public class GroupEditDialogFragment extends DialogFragment
     public void onSaveInstanceState(Bundle outState) {
         outState.putInt(KEY_ACTION_ID, editGroupDialogAction.ordinal());
         outState.putString(KEY_NAME, nameGroup);
-        outState.putSerializable(KEY_ICON_ID, iconGroup);
+        outState.putParcelable(KEY_ICON_ID, iconGroup);
         super.onSaveInstanceState(outState);
     }
 

app/src/main/java/com/kunzisoft/keepass/utils/MemUtil.java

@@ -19,9 +19,14 @@
  */
 package com.kunzisoft.keepass.utils;
 
+import android.os.Parcel;
+import android.os.Parcelable;
+
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.zip.GZIPInputStream;
 import java.util.zip.GZIPOutputStream;
 
@@ -47,4 +52,68 @@ public class MemUtil {
 		return baos.toByteArray();
 	}
 
+	// For writing to a Parcel
+	public static <K extends Parcelable,V extends Parcelable> void writeParcelableMap(
+			Parcel parcel, int flags, Map<K, V > map) {
+		parcel.writeInt(map.size());
+		for(Map.Entry<K, V> e : map.entrySet()){
+			parcel.writeParcelable(e.getKey(), flags);
+			parcel.writeParcelable(e.getValue(), flags);
+		}
+	}
+
+	// For reading from a Parcel
+	public static <K extends Parcelable,V extends Parcelable> Map<K,V> readParcelableMap(
+			Parcel parcel, Class<K> kClass, Class<V> vClass) {
+		int size = parcel.readInt();
+		Map<K, V> map = new HashMap<K, V>(size);
+		for(int i = 0; i < size; i++){
+			map.put(kClass.cast(parcel.readParcelable(kClass.getClassLoader())),
+					vClass.cast(parcel.readParcelable(vClass.getClassLoader())));
+		}
+		return map;
+	}
+
+    // For writing map with string key to a Parcel
+    public static <V extends Parcelable> void writeStringParcelableMap(
+            Parcel parcel, int flags, Map<String, V> map) {
+        parcel.writeInt(map.size());
+        for(Map.Entry<String, V> e : map.entrySet()){
+            parcel.writeString(e.getKey());
+            parcel.writeParcelable(e.getValue(), flags);
+        }
+    }
+
+    // For reading map with string key from a Parcel
+    public static <V extends Parcelable> HashMap<String,V> readStringParcelableMap(
+            Parcel parcel, Class<V> vClass) {
+        int size = parcel.readInt();
+        HashMap<String, V> map = new HashMap<>(size);
+        for(int i = 0; i < size; i++){
+            map.put(parcel.readString(),
+                    vClass.cast(parcel.readParcelable(vClass.getClassLoader())));
+        }
+        return map;
+    }
+
+
+	// For writing map with string key and string value to a Parcel
+    public static void writeStringParcelableMap(Parcel dest, Map<String, String> map) {
+        dest.writeInt(map.size());
+        for(Map.Entry<String, String> e : map.entrySet()){
+            dest.writeString(e.getKey());
+            dest.writeString(e.getValue());
+        }
+    }
+
+	// For reading map with string key and string value from a Parcel
+	public static HashMap<String, String> readStringParcelableMap(Parcel in) {
+        int size = in.readInt();
+		HashMap<String, String> map = new HashMap<>(size);
+        for(int i = 0; i < size; i++){
+            map.put(in.readString(),
+                    in.readString());
+        }
+        return map;
+    }
 }