id tag

If it's fragment initialization, I'll ask you a question!

Hello, I'd like to create an application based on fragments.Through the frame layout area of the main activity that you want to do as a home screen When you click the button on the menu, the web view ...

Android SearchView

In the fragment, searchView is implemented in the action bar.It used to work wellpublic class Fragment1 extends android.support.v4.app.Fragment {}There is an error after extends to v4 because of other...

Send textview value to string id = ""

Among the main Java sources below String id = 15555215554; if you enter this part directly and build it, as shown above Point information is extracted well from the Nuboard member information and show...

Extended recyclerview method

I want to make the layout come out under the position every time I click each position in recyclerview and disappear when I click again, what should I do? Should I do it on click on the main page? I g...

Is it possible to develop Android with Swift?

I have a question for Retrofit1.9.

Question 1Upload Image File https://futurestud.io/blog/retrofit-how-to-upload-filesYou have followed this link.As a result, the file was successfully uploaded to the server.However, the log is droppin...

[Android] Image related - absolute path obtained, but it doesn't get written to imgView...

Hello, I'm a beginner studying Android.When you click a specific button, the gallery screen is displayed through ACTION_PICKI tried to display the selected image in the desired image view by selecting...

Question about the difference between Android viewPager.addOnPageChangeListener and tabLayout.addOnTabSelectedListener.

In ViewPager, addOnPageChangeListener and What's the difference between addOnTabSelectedListener in TabLayout? Both seem like listeners to tap changes, but I don't know the difference. TabPagerAdapter...

'open failed: EACCES (Permission denied)' exception occurs on Android.

OutputStream myOutput = newFileOutputStream(outFileName); The following error occurs:open failed: `EACCES (Permission denied)Android. Permission.I also tried WRITE_EXTERNAL_STORAGE.How do we solve thi...

Question when passing the value from the main to the fragment.

The main sent a String value to the second screen through the int. On the second screen, three tabs and a viewfager are used, and each tab is made up of fragments.However, when you click a button on t...