Android Seekbar
SeekBar:
Android SeekBar is the extension of ProgressBar. SeekBar allows the user to change the value using touch event/draggable thumb/left right arrow keys. The user can increase the value by dragging the thumb right or by pressing the right arrow key. Similarly the user can decrease the value by dragging the thumb left or by pressing the left arrow key.
Important properties of SeekBar:
By default the SeekBar takes maximum value of 100. This max value can be changed using android:max=”10″ attribute in the layout xml file.
By default the SeekBar takes maximum value of 100. This max value can be changed using android:max=”10″ attribute in the layout xml file.
Let’s create project in Android Studio as SeekBar =>
Output :
activity_main.xml
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<?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=".MainActivity"> <SeekBar android:id="@+id/seekBar1" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:layout_marginTop="39dp" /> </RelativeLayout> |
MainActivity.java
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package com.glaxystech.seekbar; import android.os.Bundle; import android.support.v7.app.ActionBarActivity; import android.support.v7.app.AppCompatActivity; import android.widget.SeekBar; import android.widget.SeekBar.OnSeekBarChangeListener; import android.widget.Toast; public class MainActivity extends AppCompatActivity implements OnSeekBarChangeListener { SeekBar seekBar1; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); seekBar1 = (SeekBar) findViewById(R.id.seekBar1); seekBar1.setOnSeekBarChangeListener(this); } @Override public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { Toast.makeText(getApplicationContext(), "seekbar progress: " + progress, Toast.LENGTH_SHORT).show(); } @Override public void onStartTrackingTouch(SeekBar seekBar) { Toast.makeText(getApplicationContext(), "seekbar touch started!", Toast.LENGTH_SHORT).show(); } @Override public void onStopTrackingTouch(SeekBar seekBar) { Toast.makeText(getApplicationContext(), "seekbar touch stopped!", Toast.LENGTH_SHORT).show(); } } |
colors.xml
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<?xml version="1.0" encoding="utf-8"?> <resources> <color name="colorPrimary">#3F51B5</color> <color name="colorPrimaryDark">#303F9F</color> <color name="colorAccent">#FF4081</color> </resources> |
build.gradle
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apply plugin: 'com.android.application' android { compileSdkVersion 23 buildToolsVersion "23.0.1" defaultConfig { applicationId "com.glaxystech.seekbar" minSdkVersion 11 targetSdkVersion 23 versionCode 1 versionName "1.0" } buildTypes { release { minifyEnabled false proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } } dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) testCompile 'junit:junit:4.12' compile 'com.android.support:appcompat-v7:23.0.1' } |
Hope it will help you…!
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