SeekBar in from java android application — Java Android

This is how you can create an Android seekBar.setOnSeekBarChangeListener Main Activity in Java Android Studio:

Android Seek Bar in JAVA ANDROID

The following examples show how to use android.widget.SeekBar#setOnSeekBarChangeListener() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don’t like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.

Create Empty Project

How to implement on drag listener on seekbar in android programmatically

Step 2 — “Add the following code to res/layout/activity_main.xml.“

I worked in simple relative layout method for only give basic example.

*In the below code, we have declared SeekBar as ”@+id/seekBar”

RELATIVE LAYOUT FILE CODE IN XML:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
         xmlns:android="http://schemas.android.com/apk/res/android"
         xmlns:tools="http://schemas.android.com/tools"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         tools:context="com.yourname.yourandroidstuido.MainActivity"
         android:padding="16dp"
         android:id="@+id/relLayout"
         android:orientation="vertical">
<SeekBar
        android:id="@+id/seekBar"
           android:layout_width="match_parent"
           android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
           android:layout_centerVertical="true"
        />

       <TextView
           android:id="@+id/textView"
           android:layout_width="wrap_content"
             android:layout_height="wrap_content"
           android:layout_marginBottom="100dp"
           android:layout_centerVertical="true"
            android:layout_centerHorizontal="true"
           android:layout_above="@+id/seekBar"
           android:textStyle="bold"
            android:textColor="#40C4FF"/>

<TextView
     android:id="@+id/textViewJavaLearn"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
     android:layout_marginLeft="100dp"
     android:layout_marginTop="550dp"
     android:gravity="center"
     android:text="5S JAVA AND KOTLIN LEARNING" />
</RelativeLayout>

Step 3: MainActivity.java” java file − Add the following code to src/MainActivity.java

import android.widget.SeekBar;

JAVA CODE IN MAIN ACTIVITY:

package com.yourname.yourpackagename;
import android.os.Bundle;
import android.widget.SeekBar;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {

   SeekBar seekBar;
    TextView textView;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);

      seekBar = (SeekBar) findViewById(R.id.seekBar);

      textView = (TextView) findViewById(R.id.textView);

                 textView.setText("I love JAVA");

                 seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
           @Override
               public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                               textView.setTextSize(progress);
                           }

                  @Override
           public void onStartTrackingTouch(SeekBar seekBar) {

                           }

                     @Override
               public void onStopTrackingTouch(SeekBar seekBar) {

                           }
        });

             }

}

Review Application

setOnSeekBarChangeListener() is used to add different types of events on seekbar movement. For example you can easily change the number value by simply moving the seekbar in left or right side. So here is the complete step by step tutorial for Add setOnSeekBarChangeListener on Seekbar in android.

Step 4: Results and How to Work SEEK BAR Codes!

In Android, SeekBar is an extension of ProgressBar that adds a draggable thumb, a user can touch the thumb and drag left or right to set the value for current progress.

We see three seekbar progress level (low,medium,high) and changed text size I LOVE JAVA

In this lesson, you learnt Best Java code snippets using android.widget.SeekBar.setOnSeekBarChangeListener in java.

How to use SeekBar in Android !

What is SeekBar

A SeekBar is an extension of ProgressBar that adds a draggable thumb. The user can touch the thumb and drag left or right to set the current progress level or use the arrow keys. Placing focusable widgets to the left or right of a SeekBar is discouraged.

Clients of the SeekBar can attach a SeekBar.OnSeekBarChangeListener to be notified of the user's actions.

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5S JAVA AND KOTLIN LEARNING