android-studio Questions

Android Studio – Can't change editText input from string to float

July 23, 2021
steelscape02
2 Answers

package com.example.tipcalculator import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.widget.Button import android.widget.EditText import android.widget.TextView import kotlin.text.toFloat as kotlinTextToFloat class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContentView(R.layout.activity_main) supportActionBar?.hide() val tenPerTip: Button = findViewById(R.id.tenPerTipButton) val fifteenPerTip: Button = findViewById(R.id.fifteenPerTipButton) val…

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Android Studio – List of widget does not show on screen

July 23, 2021
anon
2 Answers

I have this code that will get a list of reminders in DB and show it on the screen. It works fine with the reminder list. The problem is when the list is empty (there is no reminder), i want…

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What could be the reason for "attribute layout_constraintstop_totopof not found" when I build my project in android studio? I am a beginner

July 23, 2021
PopeLouis
2 Answers

I am designing a UI from a tutorial online. The code doesn't underline any errors, the error pops up only when I try to build and test the app on my device.

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build.gradle file in android studio canary

July 23, 2021
Alireza
2 Answers

I use from Android Studio canary version. I want to use Firebase service. For that I should add this line to root build.gradle file. classpath 'com.google.gms:google-services:4.3.8' But my build.gradle file is like this image: How can I add Firebase in…

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Android Studio – Unable to make field private final java.lang.String java.io.File.path accessible

July 23, 2021
Abanob Emad
2 Answers

Unable to make field private final java.lang.String java.io.File.path accessible: module java.base does not "opens java.io" to unnamed module @786f3609

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Android Studio – How to scroll recyclerview onItemClick in another recyclerview?

July 23, 2021
pepper90
2 Answers

I am building a small dictioanry app, screenshot below: Screenshot When I click on a letter from mRecyclerView1, I want to scroll mRecyclerView2 to the the first word which starts with this particular letter. Inside the mRecyclerView1 adapter I've made…

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Android Studio – Hex data wont print in my BLE Scanner App

July 23, 2021
GAZZA
2 Answers

I am trying to make a BLE scanner using Android studio (JAVA). I am using a model code from here:https://github.com/joelwass/Android-BLE-Scan-Example I have edited the code to filter for one single device I am currently using as the broadcaster ( the…

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Using bottom navigation – Android Studio

July 23, 2021
MakeTheErrorDie
2 Answers

I was following this tutorial. Which was about using the bottom navigation bar. This below part is the code from the MainActivity file: import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import androidx.fragment.app.Fragment import kotlinx.android.synthetic.main.activity_main.* class MainActivity : AppCompatActivity() { override fun onCreate(savedInstanceState: Bundle?)…

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Android Studio – I want a feature that when user long presses the text in the textView a pop up appear with the definition of that text

July 23, 2021
AMAN SHARMA
2 Answers

with android:textIsSelectable="true" i have only copy and share functionality by the system but i want to have a pop up with that word definition In addition, it would be great if i can highlight that selected word

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What minimum Android Studio Gradle/Plugin versions required to target Android 30?

July 23, 2021
iSofia
2 Answers

Is there any minimum recommended or required Gradle or Gradle Plugin versions if we intend to target Android 30?

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