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Why is android-studio TextView invisible after following the Android Studio Tutorial step by step? The Android Studio version is 3.1.4, Include Kotlin Support is checked, and the selected SDK platform API levels are 26, 27, and 28. This is the code for the MainActivity:

package com.example.myfirstapp

import android.support.v7.app.AppCompatActivity
import android.os.Bundle

class MainActivity : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
    }
}

The Hello World! TextView is nowhere to be seen on the Blueprint or Design as can be seen in this screenshot:

enter image description here

The Hello World! is also invisible when running the tutorial app on the emulator.

jacknad
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2 Answers2

1

Just set your appTheme to different one, for example Light. It is a button above your preview

Adam Ostrožlík
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Try this in xml

android:visibility="visible"
xolile Xaba
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