Android TextView java

15-Sep-2024

Tutorial for displaying text in Android Studio. How to use TextView.

Android TextView Example : Text View Use for Show Text On Android Screen Like Long Text, Short Text, You can set your text on XML layout File also you can set your text programmatically for display in Android TextView Java or Android TextView kotlin..
Here's a basic overview of using TextView:

There Are Some Common Attributes for TextView :

id	This is unique identity.
layout_width	match_parent -> Text area contains fullscreen wrap_content-> Text area contains only text size
layout_width	match_parent -> Text area contains fullscreen wrap_content-> Text area contains only text size
textSize	Change The Text Size
textColor	Change Text Color
drawableLeft	Set Icon in TextView's Left
drawableRight	Set Icon in TextView's Right
drawableTop	Set Icon in TextView's Top
drawableBotom	Set Icon in TextView's Botom
textStyle	bold, italic, normal -> Text Style Change
background	Set background Color

Step 1:

File open res/layout/activity_main.xml file −

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical">

        <!--Text Center-->
        <TextView
            android:id="@+id/idTextView"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Micro Tutorial"
            android:gravity="center"
            />

        <!--Text textStyle-->
        <TextView
            android:id="@+id/idTextSize"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Micro Tutorial"
            android:textSize="30dp"
            android:gravity="center"
            />

        <!--Text Style-->
        <TextView
            android:id="@+id/idTextStyle"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Micro Tutorial"
            android:textSize="30dp"
            android:textStyle="italic|bold"
            android:gravity="center"
            />
        <!--Text Color-->
        <TextView
            android:id="@+id/idTextColor"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="Micro Tutorial"
            android:textSize="30dp"
            android:textStyle="italic|bold"
            android:textColor="#F40303"
            android:gravity="center"
            />
        <!--Text Margin Padding-->
        <TextView
            android:id="@+id/idTextChange"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="10dp"
            android:layout_margin="20dp"
            android:textSize="30dp"
            android:text="Change Text"
            android:gravity="center"
            />
    </LinearLayout>

</RelativeLayout>

Step 2:

File open com.microappvalley.newtestproject/MainActivity.java file −


package com.microappvalley.newtestproject;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    TextView idTextChange;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        idTextChange=(TextView) findViewById(R.id.idTextChange);

        idTextChange.setText("Micro Tutorial Text Change");

    }
}