CheckBox for Android Control (check box control)

First, there are two kinds of states:

Checked state (true), unchecked (false)

Second, the attribute

Android:id = "@+id/checkbox"

Android:layout_width= "Match_parent"
android:layout_height= "Wrap_content"

android:checked = "false"

Android:text = "Male"

Three, the code demonstration

<LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Android:layout_width= "Fill_parent"Android:layout_height= "Fill_parent"android:orientation= "Horizontal" >    <CheckBoxAndroid:id= "@+id/checkbox1"Android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Basketball"android:checked= "true" />      </LinearLayout>

 PackageCom.muke.textview_edittext;ImportAndroid.os.Bundle;ImportAndroid.widget.CheckBox;ImportAndroid.widget.CompoundButton;ImportAndroid.widget.CompoundButton.OnCheckedChangeListener;ImportAndroid.widget.ImageView;ImportAndroid.widget.ToggleButton;Importandroid.app.Activity; Public classMainactivityextendsactivity{Privatecheckbox checkbox; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);                Setcontentview (R.layout.activity_main); //First step: Initialize the control (find the control you want to manipulate)CheckBox =(CheckBox) Findviewbyid (r.id.checkbox1); //Step Two: Check if checkbox is selected by setting the checkbox's Listener eventCheckbox.setoncheckedchangelistener (NewOncheckedchangelistener () {@Override Public voidOnCheckedChanged (Compoundbutton Buttonview,BooleanisChecked) {                //Step Three: monitor whether the current checkbox is selected by OnCheckedChangedString text = Checkbox.gettext (). toString ();//get the text content of a checkbox                if(isChecked) {System.out.println ("You have selected" +text); }Else{System.out.println ("You canceled" +text);    }            }        }); }        }

　　

CheckBox for Android Control (check box control)