id tag

1618 questions

1 answers
115 views
0

What is the meaning of void in the AsyncTask argument?

public static class DownloadWorker extensions AsyncTask <Void, void, void{ @ Override Protected String doInBackground (Void...voids) { return null;

java android android-layout android-asynctask

2 years ago

1 answers
93 views
0

Is there a library commonly used for USB serial communication on Android?

I would like to connect the Android device to the device via USB for serial communication. (Android is the host) I searched the Android API reference and found a class called Android.hardware.usb.http...

android usb serial-communication

2 years ago

1 answers
52 views
0

I want to run j2se apps on Android and ios.

There is a game program that I wrote on swing a long time ago, and I would like to port it to mobile.For example, if you have a j2se(j2me?) compatible jvm that runs on Android or iOS, is there such a ...

ios android java

2 years ago

1 answers
60 views
0

The hard drive used by RAID was recognized by the USB external box, but the NAS cannot mount it.

This is a continuation of where you want to recover data from a hard drive used by your NAS.In Yotta's external HDD case, I put a 6TB hard drive and two 8TB hard drives taken from the NAS for data eva...

linux raid

2 years ago

1 answers
42 views
0

I want to implement a screen transition like Activity in Fragment.

I want to implement a screen transition like Activity on Android Fragment, but I can't find a good way.Specifically, there are a, b, and c activities that transition from a to b, and then back to a wi...

android java

2 years ago

1 answers
130 views
0

I want to activate the camera with an application developed on a cross platform and change the frame rate and shutter speed of the preview screen.

We have created an app that allows you to preview camera images on iOS app and change the frame rate of the screen, the shutter speed of the camera, and the iso value in real time.import UIKitimport A...

ios android cordova flutter react-native

2 years ago

2 answers
46 views
0

I want to blur the boundaries and overlap them when I synthesize images on Android.

I am writing the process of overlapping two images on Android as follows.Bitmap imageA=loadImage();Bitmap imageB=loadImage();Bitmap output = Bitmap.createBitmap (width, height, Config.ARGB_8888);Canva...

android

2 years ago

1 answers
72 views
0

Library Split Offerings

These days, I think aar and jar are often published on jcenter and maven central, but I'm looking for a way to partially publish libraries like Google play services.If you only want to publish it sepa...

android java gradle

2 years ago

1 answers
129 views
0

To call getSupportFragmentManager in Activity

I would like to call getSupportFragmentManager for a class that does not inherit FragmentActivity (inheriting Activity). Because you still need to see dialogs in previous operating systemsYou cannot u...

android fragment dialog

2 years ago

1 answers
121 views
0

Function and Button Behavior Questions

I have a question about developing an application on Android Studio.I want to create a function that calculates the distance when I get the location information from GPS and press the button, but I'm ...

java android gps

2 years ago

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