159 questions
If you create a method and do not use it, it will appear gray.For example, public class example {...public int usedMethod () { ....}public int notUsedMethod () { ....}...usedMethod();}If it's like thi...
It's Java.I'm going to make a lotto number application simple.In the For Moon, where you turn the order according to the number of spinners,If you take a picture of log, there are 3, 4, and so onThe a...
Obtain x, y, and z values with 6-axis sensors (acceleration and gyro sensors).The x, y, and z values of the sensor have been received by the mobile application using Bluetooth.The Android studio creat...
If you do the fragment module and run it, it turns off when you run the app in Emule What is the error?public class ChannelBuskerSchedule extends Fragment {int test__schedule=5;public ChannelBuskerSch...
package com.example.jun.artest;import android.Manifest;import android.app.Activity;import android.app.Service;import android.content.Context;import android.content.pm.PackageManager;import android.har...
Here's the current situationJava code is Sagin.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { View dlgView = View.inflate(Activity2.this,ac2_sub,null); ...
Hello, I'm a beginner at Android Studio. I have a question because there was an error during the installation process.At first, I installed sdk in the English route after I knew that it was not possib...
Hello~~ I'm a beginner who just started learning how to make an app..The app I'm planning is composed of several fragments in one MainActivity.I'm stuck in thinking of one of the Fragments, UserFragme...
class MainActivity : AppCompatActivity() {override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) but1.setOnClickListener(){ var...
This time, I made an app using Android Studio, Java (minimum support version 4.4)But strangely enough, if you turn on the app emulator in the Android studio itself (pixel 2, version Pie), it runs well...
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