Как изменить visibility android

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Code

activity_main.xml:
We have two buttons and a text view. One button will set the visibility of text view to visible and the other will set the visibility of text view to invisible.

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"
    android:background="@color/colorAccent">

    <TextView
        android:id="@+id/textView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="My Visibility is changing"
        android:textColor="@color/colorPrimaryDark"
        android:textSize="20dp"
        android:visibility="invisible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.732" />

    <Button
        android:id="@+id/show"
        android:layout_width="150dp"
        android:layout_height="wrap_content"
        android:background="@color/colorPrimaryDark"
        android:padding="10dp"
        android:text="Show Message"
        android:textColor="#fff"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.445" />

    <Button
        android:id="@+id/hide"
        android:layout_width="150dp"
        android:layout_height="wrap_content"
        android:background="@color/colorPrimary"
        android:padding="10dp"
        android:text="Hide Message"
        android:textColor="#fff"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.498"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.541" />

    <TextView
        android:id="@+id/textView3"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Android Visibility Example"
        android:textColor="#000"
        android:textSize="24dp"
        app:layout_constraintBottom_toTopOf="@+id/show"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.496"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.9" />

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.java:

package com.example.visibilityexample;

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    TextView textView;
    Button show, hide;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        textView = findViewById(R.id.textView);
        show = findViewById(R.id.show);
        hide = findViewById(R.id.hide);

        show.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                textView.setVisibility(View.VISIBLE);
            }
        });

        hide.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                textView.setVisibility(View.INVISIBLE);
            }
        });
    }
}

Output

The following are snapshots of the output.

That’s it for Android Visibility.

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Thanks for reading.

Adios!