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I need help again.
I have a listView in an activity and i need to populate its items from a database..
Any suggestions or tutorials for the problem?
Thanks in advance.
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These are some links where you get some useful example for Create ListView From SQLite Database in Android Development
Link1,
Link2,
Link3
for a local databse on the phone itself, its handy to use a sqlite-database
for an external Database, you need a WebService (for example: php) to access the MySQL-database. one example is here
this will take some time to figure it out. i would recommend to try a local-database with sqlite for starters
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i´ve searched a lot and didn´t find any solution:
Is there any possibility to open a Dialog-window while the Fragment-window is open?
Maybe communicate through the MainActivity?
(i´m using kotlin)
Thank you very much!!
Recently faced a similar problem.
Here you should pay attention to how you are going to move into the dialog fragment.
Based on my personal experience, I can offer an exit via Navigation controller.
Here is a very good example
https://medium.com/androiddevelopers/mad-skills-navigation-wrap-up-4e5733ecb107
Good luck!
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Can you please help to do this, I want to save some text in firebase, and display those text on button click. I don't want to put those text on my app, because I will make some change over time, and I don't want to send update every time. I have been look for a guide for a week now and tried a lot of code but no success.
There are two storage options in Firebase.
1.Firebase Data Base
2.Firebase Storage
If you want to save data only, you can go with Firebase real time database.
If you want to store files like images..etc,you can go with Firebase Storage.
Both of them are real time database only.
since you mentioned that you want to store data
To read and write from Firebase database data this will help you.
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I want to create an application.
My app is a book and I created a SQLite database for my data as "mybook.db" that is 3.5 MB in size.
I tested my app and all activity works good!
Now I want to publish it on the Play store.
I used In App Billing for selling my content to premium users, but I realized that my database is available on "./data/data/myapp/database"
and also in the asset folder of apk package, and anyone can copy and use it! :(
Now what I can do to save my data?
is it possible to convert sqlite to android class?
is it possible to encode data?
How I can save relation between may data?
Please help me...
----------- Edit ------------
i don't want use SQLCipher !
is there any way to use another data structure for saving data?
You could encrypt the data before saving to database and then decrypt when reading it back in. Here is a SO question/answer on how to do it.
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I want to make a menu like this:
The images and text will be loaded from internet. Which approach do you suggest me to use? Should i use a grid layout? Or an adapter? Do you know what this kind of layout is called? And do you have any examples of this?
Thanks in advance.
You could use a ListView with a custom Adapter to provide the functionality, and for the image-downloading, i would suggest using the Picasso library. It handles downloading images async and also handles errors very well, i've never had issues with it and its extremely simple.
Link to Picasso: square.github.io/picasso/
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I am working on an app the required data to be saved each time the user enters in some information. The information needs to be saved and then accessed again when the users returns to the app. My question is what is the best way to store this information. I have used text files in the past on regular java programs to store and retrieve data but I'm wondering if this would be the best solution for an android app. Any help is greatly appreciated.
You can use SQLite database to store data.
http://hmkcode.com/android-simple-sqlite-database-tutorial/
http://www.tutorialspoint.com/android/android_sqlite_database.htm
or use SharedPreferences
There are many different ways of storing data depending on what you are doing.
But SharedPreferences should probably suffice for what you need.
http://developer.android.com/reference/android/content/SharedPreferences.html