In this article, we will learn about android HorizontalProgressBar using Kotlin. We will go through various example that demonstrates how to use different attributes of HorizontalProgressBar. For example, …..
In this article, we will get answer to questions like –
- What is HorizontalProgressBar?
- Why should we consider HorizontalProgressBar while designing ui for any app?
- What are possibilities using HorizontalProgressBar while designing ui? etc.
Let’s have a quick demo of things we want to cover in this tutorial –
Output
Getting Started
We can define android HorizontalProgressBar widget as below –
Android ProgressBar is an user interface that represents progress of an operation. Here, Horizontal ProgressBar means progressBar as a horizontal line.
Now, how do we use HorizontalProgressBar in android application ?
Creating New Project
At first, we will create an application.
So, follow steps below to create any android project in Kotlin –
Step | Description |
---|---|
1. | Open Android Studio (Ignore if already done). |
2. | Go to File => New => New Project. This will open a new window. Then, under Phone and Tablet section, select Empty Activity. Then, click Next. |
3. | In next screen, select project name as HorizontalProgressBar. Then, fill other required details. |
4. | Then, clicking on Finish button creates new project. |
Newbie in Android ?
Some very important concepts (Recommended to learn before you move ahead)
Before we move ahead, we need to setup for viewBinding to access Android HorizontalProgressBar Using Kotlin file without using findViewById() method.
Setup ViewBinding
Add viewBinding true in app/build.gradle file.
android { // OTHER CODE... buildFeatures { viewBinding true } }
Now, set content in activity using view binding.
Open MainActivity.kt file and write below code in it.
class MainActivity : AppCompatActivity() { private lateinit var binding: ActivityMainBinding override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) binding = ActivityMainBinding.inflate(layoutInflater) val view = binding.root setContentView(view) } }
Now, we can access view in Kotlin file without using findViewById() method.
Using HorizontalProgressBar in Kotlin
Follow steps below to use HorizontalProgressBar in newly created project –
- Open res/values/strings.xml file. Then, add below code into it.
<resources> <string name="app_name">HorizontalProgressBar</string> </resources>
- Open res/layout/activity_main.xml file. Then, add below code in it –
<?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"> <ProgressBar android:id="@+id/progressBar_ID" style="?android:attr/progressBarStyleHorizontal" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="20dp" android:indeterminate="true" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintLeft_toLeftOf="parent" app:layout_constraintRight_toRightOf="parent" app:layout_constraintTop_toTopOf="parent" /> <Button android:id="@+id/button_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="HIDE PROGRESSBAR" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toBottomOf="@+id/progressBar_ID" /> </androidx.constraintlayout.widget.ConstraintLayout>
-
We can also access it in Kotlin File, MainActivity.kt, as below –
package com.tutorialwing.horizontalprogressbar import androidx.appcompat.app.AppCompatActivity import android.os.Bundle import android.view.View import com.tutorialwing.horizontalprogressbar.databinding.ActivityMainBinding class MainActivity : AppCompatActivity() { private lateinit var binding: ActivityMainBinding override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) binding = ActivityMainBinding.inflate(layoutInflater) val view = binding.root setContentView(view) setupProgressBar() } private fun setupProgressBar() { val progressBar = binding.progressBarID binding.buttonID.setOnClickListener { val visibility = if (progressBar.visibility == View.GONE) View.VISIBLE else View.GONE progressBar.visibility = visibility val btnText = if (progressBar.visibility == View.GONE) "SHOW PROGRESSBAR" else "HIDE PROGRESSBAR" binding.buttonID.text = btnText } } }
Now, run the application. We will get output as below –
Different Attributes of HorizontalProgressBar in XML
Now, we will see how to use different attributes of Android HorizontalProgressBar using Kotlin to customise it –
Set Id of HorizontalProgressBar
Many a time, we need id of View to access it in kotlin file or create ui relative to that view in xml file. So, we can set id of HorizontalProgressBar using android:id attribute like below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" />
Here, we have set id of HorizontalProgressBar as horizontalprogressbar_ID using android:id=”” attribute. So, if we need to reference this HorizontalProgressBar, we need to use this id – horizontalprogressbar_ID.
Learn to Set ID of HorizontalProgressBar Dynamically
Set Width of HorizontalProgressBar
We use android:layout_width=”” attribute to set width of HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" />
Width can be either “MATCH_PARENT” or “WRAP_CONTENT” or any fixed value (like 20dp, 30dp etc.).
Learn to Set Width of HorizontalProgressBar Dynamically
Set Height of HorizontalProgressBar
We use android:layout_height=”” attribute to set height of HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" />
Height can be either “MATCH_PARENT” or “WRAP_CONTENT” or any fixed value.
Learn to Set Height of HorizontalProgressBar Dynamically
Set Padding of HorizontalProgressBar
We use android:padding=”” attribute to set padding of HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:padding="10dp" />
Here, we have set padding of 10dp in HorizontalProgressBar using android:padding=”” attribute.
Learn to Set Padding of HorizontalProgressBar Dynamically
Set Margin of HorizontalProgressBar
We use android:layout_margin=”” attribute to set margin of HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="10dp" />
Here, we have set margin of 10dp in HorizontalProgressBar using android:layout_margin=”” attribute.
Learn to Set Margin of HorizontalProgressBar Dynamically
Set Background of HorizontalProgressBar
We use android:background=”” attribute to set background of HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:background="#ff0000" />
Here, we have set background of color #ff0000 in HorizontalProgressBar using android:background=”” attribute.
Learn to Set Background of HorizontalProgressBar Dynamically
Set Visibility of HorizontalProgressBar
We use android:visibility=”” attribute to set visibility of HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:visibility="gone" />
Here, we have set visibility of HorizontalProgressBar using android:visiblity=”” attribute. Visibility can be of three types – gone, visible and invisible
Learn to Set Visibility of HorizontalProgressBar Dynamically
Set Text of HorizontalProgressBar
We use android:text=”” attribute to set text of HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello Tutorialwing" />
Here, we have set text (“Hello Tutorialwing”) in HorizontalProgressBar using android:text=”” attribute.
Similarly, we can set any text using this attribute.
Learn to Set Text of HorizontalProgressBar Dynamically
Set Color of Text in HorizontalProgressBar
We use android:textColor=”” attribute to set color of text in HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello Tutorialwing" android:textColor="#ffffff" />
Here, we have set color (#ffffff i.e. white) of text (“Hello Tutorialwing”) in HorizontalProgressBar using android:textColor=”” attribute. Similarly, we can set any color using this attribute.
Learn to Set Color of HorizontalProgressBar Dynamically
Set Gravity of HorizontalProgressBar
We use android:gravity=”” attribute to set gravity of text in HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello Tutorialwing" android:gravity="center_horizontal" />
Here, we have set gravity of text in HorizontalProgressBar using android:gravity=”” attribute. Attribute value can be – “center_horizontal”, “center”, “center_vertical” etc.
Learn to Set Gravity of HorizontalProgressBar Dynamically
Set Text in Uppercase, Lowercase
If we need to show text of HorizontalProgressBar in uppercase or lowercase etc.
Set text in uppercase
We can use android:textAllCaps=”true” attribute to set text in uppercase. We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello Tutorialwing" android:textAllCaps="true" />
Attribute android:textAllCaps=”true” sets text in uppercase. So, HELLO TUTORIALWING is set in HorizontalProgressBar.
By default, false is set in this attribute. So, Whatever value is written in android:text=”” attribute, it will be set as it is. For example,
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello Tutorialwing" android:textAllCaps="false" />
Above code will set Hello Tutorialwing to HorizontalProgressBar.
How do we set text in lowercase?
Answer –
- In xml file – write all the text in lowercase.
- In kotlin file – take text as string. Then, convert it in lowercase. Then, set it to HorizontalProgressBar.
Learn to Set Text in Uppercase or Lowercase Dynamically
Set Size of Text in HorizontalProgressBar
We use android:textSize=”” attribute to set size of text in HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello Tutorialwing" android:textSize="20sp" />
Here, we have set size of text in HorizontalProgressBar using android:textSize=”” attribute.
Learn to Set Size of Text of HorizontalProgressBar Dynamically
Set Style (Bold/italic) of Text in HorizontalProgressBar
We use android:textStyle=”” attribute to set style (bold, italic etc.) of text in HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello Tutorialwing" android:textStyle="bold" />
Here, we have set style of text in HorizontalProgressBar using android:textStyle=”” attribute. This attribute can take bold, italic or normal.
Learn to Set Style of Text of HorizontalProgressBar Dynamically
Set Letter Spacing of Text in HorizontalProgressBar
We use android:letterSpacing=”” attribute to set spacing between letters of text in HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello Tutorialwing" android:letterSpacing="1" />
Here, we have set spacing between letters of text in HorizontalProgressBar using android:letterSpacing=”” attribute.
Learn to Set Letter Spacing of Text of HorizontalProgressBar Dynamically
Set Typeface of Text in HorizontalProgressBar
We use android:typeface=”” attribute to set typeface in HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello Tutorialwing" android:typeface="sans" />
Here, we have set typeface of text in HorizontalProgressBar using android:typeface=”” attribute. This attribute can take values – “sans”, “normal”, “monospace” or “normal”.
Learn to Set Typeface of HorizontalProgressBar Dynamically
Set fontFamily of Text in HorizontalProgressBar
We use android:fontFamily=”” attribute to set fontFamily of text in HorizontalProgressBar.
We can do it as below –
<HorizontalProgressBar android:id="@+id/horizontalprogressbar_ID" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello Tutorialwing" android:fontFamily="sans-serif" />
Here, we have set fontFamily (Here, sans-serif) of text in HorizontalProgressBar using android:fontFamily=”sans-serif” attribute.
Till now, we have see how to use android HorizontalProgressBar using Kotlin. We have also gone through different attributes of HorizontalProgressBar to perform certain task. Let’s have a look at list of such attributes and it’s related task.
Different Attributes of Android HorizontalProgressBar Widget
We have already covered attributes of horizontal progressBar in ProgressBar Widget Tutorial. Please this post to know more about different attributes.
We have seen different attributes of HorizontalProgressBar and how to use it. If you wish to visit post to learn more about it
Thus, we have seen what is HorizontalProgressBar, how can we use android HorizontalProgressBar using Kotlin ? etc. We also went through different attributes of android HorizontalProgressBar.
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