paspao / mobistego Goto Github PK
View Code? Open in Web Editor NEWAndroid application implements the steganographic algorithm LSB on the last 2 bit for channel.
License: GNU General Public License v3.0
Android application implements the steganographic algorithm LSB on the last 2 bit for channel.
License: GNU General Public License v3.0
This app can perfectly protect one's message in the pictures.
I just find that every time when I want to decode,I must put into the password, but I didn't find someplace to set that.
And I also want to consult you a question, I have read some article that lsb algorithm just expends the 10% size of the whole picture.But I found your pictures expanded 20 times after I added some words into pictures,why is that?
Thx a lot for helping me.
The app crashes while selecting an image for decoding.
10-12 14:35:13.824 29852-29852/it.mobistego E/AndroidRuntime: FATAL EXCEPTION: main
Process: it.mobistego, PID: 29852
java.lang.RuntimeException: Failure delivering result ResultInfo{who=android:fragment:0, request=4, result=-1, data=Intent { dat=file:///storage/emulated/0/Download/f326f015-3bfa-4ef4-9ea8-d5f349f782ac.png }} to activity {it.mobistego/it.mobistego.MainActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'int android.database.Cursor.getColumnIndexOrThrow(java.lang.String)' on a null object reference
at android.app.ActivityThread.deliverResults(ActivityThread.java:3581)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3624)
at android.app.ActivityThread.access$1300(ActivityThread.java:154)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1359)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5276)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:911)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:706)
Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'int android.database.Cursor.getColumnIndexOrThrow(java.lang.String)' on a null object reference
at it.mobistego.utils.Utility.getRealPathFromURI(Utility.java:430)
at it.mobistego.fragments.MainFragment.onActivityResult(MainFragment.java:201)
at android.app.Activity.dispatchActivityResult(Activity.java:6247)
at android.app.ActivityThread.deliverResults(ActivityThread.java:3577)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:3624)
at android.app.ActivityThread.access$1300(ActivityThread.java:154)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1359)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5276)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:911)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:706)
`
Please explain to me how to use this library, i can't figure out how to use this,
im stuck in how to import this library to android studio
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