I wanted to show 'RealMainActivity.kt' to first main page, so I wrote below. <activity android:name=".RealMainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> but there is still Error running 'app': The activity must be exported or contain an intent-filter.…
I want to show a similar glow like on this image I know how to get dominant color using Palette. I was wondering how to show a glow effect like this.
I am working about android sensors and I am trying to try the software based step counter sensor, but instead of starting from 0, it continues from 512 and I can understand that it writes the number of daily steps…
So I just went into attributes in android studio to change the color of the button, just like I would the name of the button and other attributes. But now the color seems not to be taking effect when I…
How do I use getActivity or activity in other functions outside of onCreate View, when I use activity in oncreateview or other functions it returns null. in a fragment. Is there a way to store activity and use it as…
I am going to enrol on a course to learning Android Development. There it says it "write apps for Android 8 Oreo with Kotlin" But Android 11 is already out there. So is the course worth it in 2021. Or…
I have a code where I called sharedPref.edit() and sharedPref.apply() multiple times. How to make convert it to call only once. if (success) { val data = response.getJSONObject("data") sharedPreferences.edit().putBoolean("isLoggedIn", true).apply() sharedPreferences.edit() .putString("user_id", data.getString("user_id")).apply() sharedPreferences.edit().putString("name", data.getString("name")) .apply() sharedPreferences.edit().putString("email", data.getString("email")) .apply() sharedPreferences.edit()…
I get error when I press button inside recycler view. My application is not crashing. I am trying to set a button in the recycler view and callingsetOnClickListener inside onBindViewHolder. Inside the holder.Button.setOnClickListener{}I change the button text to notified. But…
The build.gradle script (module) structure is: plugin { ... id 'org.jetbrains.kotlin.kapt' } android { ... buildTypes { ... } dataBinding { enabled = true } } If I try to sync my project I get: Could not set unknown property…
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…