d tag

View PDFs in the Android app

I'm very frustrated that I can't see PDF files that are out of the box on Android (WebView or any other way).So what I'm curious about is if you have (OS) JARs or classes that will allow you to view P...

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...

I have a question about java.lang.NoClassDefFoundError: javax/servelet/ServletInputStream that occurred during the implementation of file upload.

servlet-api and cos.I added jar library and checked itI put servlet-api in the Java jdk folderClass pass was added to the environment variable.I tried adding a library separately to Servlet InputStrea...

Hello. This is a question that links emojis to a custom keyboard

Hello. This is a question that links emojis to a custom keyboard~The keyboard is currently being tested using an open keyboard source.You are about to add an emoji function to your keyboard.The emoji ...

[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...