[MOD] Multiwindow Apps

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I've been able to mod some apps to work in multiwindow mode.

How to install:

1. Backup your data from the app using titanium backup
2. Uninstall the app
3. Install the modded app
4. Restore your app data using titanium backup

Please Note:
I'm not a dev, I only added some lines to androidmanifest.xml
These apps may not be optimized for multiscreen mode, I've just enabled it.
This is just a temporarily solution.
This only works on Jelly Bean Roms.
You can't update modifed Apps with Playstore.

Modded apps:

• 4PDA
• Andchat
• AndIRC
• AT&T Wireless
• Chrome
• Cyman Mark 2
• Dolphin for Pad
• Dropbox
• Ebay
• Evernote
• ES File Explorer
• Facebook
• Facebook Messenger
• File Manager HD
• Google Currents
• Google Translate
• Google Play Music
• GooManager
• Hill Climb Racing
• Total Connect Comfort
• MX Player
• Oeffi
• Papyrus
• Solid Explorer
• TI-83
• Spotify (landscapemode enabled, too)
• Tapatalk HD
• Titanium Backup
• Twitter
• VLC Player
• Whatsapp
• Youtube

As I can't update this post, everytime someone post a new modifed app, use this link to have an overview of all attached apps of this thread. Unfortunately, direct links to filehosters are not included
Or look at this thread created by TheSanitarium

Apps that didn't work:

• Chrome (Error while recompiling with apk-multi-tools, even without changes, maybe someone else can edit this one)
• Maps (same as above)
• Play (same as above)
  
• Youtube (same as above)

How to modify Apps by yourself:

1. Decompile the app with apk-multi-tools
2. Open Androidmanifest.xml with Editor, Notepad++ or something else
3. Search for this
   

   <intent-filter>
                   <action android:name="android.intent.action.MAIN" />
                   <category android:name="android.intent.category.LAUNCHER" />
   </intent-filter>

4. Add this line
   

   <intent-filter>
                   <action android:name="android.intent.action.MAIN" />
                   <category android:name="android.intent.category.LAUNCHER" />
   		<category android:name="android.intent.category.MULTIWINDOW_LAUNCHER" />
   </intent-filter>

5. Search for this line
   
   

   </application>

6. Add these lines so that it looks like this
   
   

   <uses-library required="false" name="com.sec.android.app.multiwindow" />
           <meta-data android:name="com.sec.android.support.multiwindow" android:value="true" />
           <meta-data android:name="com.sec.android.multiwindow.DEFAULT_SIZE_W" android:value="632.0dip" />
           <meta-data android:name="com.sec.android.multiwindow.DEFAULT_SIZE_H" android:value="598.0dip" />
           <meta-data android:name="com.sec.android.multiwindow.MINIMUM_SIZE_W" android:value="632.0dip" />
           <meta-data android:name="com.sec.android.multiwindow.MINIMUM_SIZE_H" android:value="598.0dip" />
   </application>

7. Recompile app

can you teach us how to do this？

This is cool to get multiwindow apps working. One problem is when you decompile the APK and compile it back up, you will be signing APK with a different key than developers. This means you cannot update from Play Store because the keys will not match. You will have to remove modded APK, install update, then mod updated APK. If you are ok with having older version of APK then there isnt an issue.

why i get error while decompile some apk ? facebook apk is error too

I've try this mod in ICS 4.0.4 and didn´t work.
Waiting for Jelly Bean... xD

Originally Posted by cheznutts

This is cool to get multiwindow apps working. One problem is when you decompile the APK and compile it back up, you will be signing APK with a different key than developers. This means you cannot update from Play Store because the keys will not match. You will have to remove modded APK, install update, then mod updated APK. If you are ok with having older version of APK then there isnt an issue.

Will there still be an update notifier in the playstore, or do we lose that, aswell as the ability to update?

Can someone reload the modified facebook apk to another site, maybe Gdrive or dropbox?

Originally Posted by techkia

Can someone reload the modified facebook apk to another site, maybe Gdrive or dropbox?

Facebook is now uploaded as an attachment, too. Just use Winrar or 7zip to unpack.

It's good to see at least some of the apps can be modded to support multi window. This is a big step of note 10.1. I have successfully modded IMO.

Is there a way I could change the default size of the pop up window? I have tried to change the four numbers for portrait apps but still the pop up is in landscape. Not convenient enough to adjust it every time.

Sent from my GT-N8000 using xda app-developers app

The modded facebook apk had been tested working on dr Akrim jb rom.