Switches Example in Android
18/08/2012
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This example shows how to create and set switches in android. Algorithm: 1.) Create a new project by File-> New -> Android Project name it SwitchesExample. 2.) Write following into main.xml:
<?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <LinearLayout android:orientation="vertical" android:layout_width="match_parent" android:layout_height="wrap_content">  <Switch android:text="Standard switch" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginBottom="32dip" /> <Switch android:text="Default is on" android:checked="true" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginBottom="32dip" /> <Switch android:id="@+id/monitored_switch" android:text="Monitored switch" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginBottom="32dip" /> <Switch android:text="Customized text" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textOn="Start" android:textOff="Stop" android:layout_marginBottom="32dip" /> </LinearLayout> </ScrollView>
3.) Run for output. Steps: 1.) Create a project named SwitchesExample and set the information as stated in the image. Build Target: Android 4.0 Application Name: SwitchesExample Package Name: com. example. SwitchesExample Activity Name: SwitchesExample Min SDK Version: 14 2.) Open SwitchesExample.java file and write following code there:
package com.example.SwitchesExample;  import android.app.Activity; import android.os.Bundle; import android.widget.CompoundButton; import android.widget.Switch; import android.widget.Toast; public class SwitchesExample extends Activity implementsCompoundButton.OnCheckedChangeListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); Switch s = (Switch) findViewById(R.id. monitored_switch); if (s != null) { s.setOnCheckedChangeListener(this); } } @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { Toast.makeText(this, "Monitored switch is " + (isChecked ? "on" : "off"), Toast.LENGTH_SHORT).show(); } }
3.) Compile and build the project. Output