Android Course---Calendar selector and time picker

 PackageCom.hanqi.test5;ImportAndroid.os.Bundle;Importandroid.support.annotation.IdRes;Importandroid.support.v7.app.AppCompatActivity;ImportAndroid.widget.CheckBox;ImportAndroid.widget.CompoundButton;ImportAndroid.widget.DatePicker;ImportAndroid.widget.ImageView;ImportAndroid.widget.RadioButton;ImportAndroid.widget.RadioGroup;ImportAndroid.widget.Switch;ImportAndroid.widget.TimePicker;ImportAndroid.widget.Toast;ImportAndroid.widget.ToggleButton; Public classUIActivity1extendsappcompatactivity {ImageView IV; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (R.LAYOUT.ACTIVITY_UI1); //Radio BoxRadiogroup Radiogroup =(Radiogroup) Findviewbyid (R.ID.RG); Radiogroup.setoncheckedchangelistener (NewRadiogroup.oncheckedchangelistener () { Public voidOnCheckedChanged (Radiogroup Group, @IdResintCheckedid) {                if(Checkedid = = R.ID.RB3)//Rb3 Set as the correct answer{toast.maketext (UIActivity1). This, "the right choice.", Toast.length_long). Show (); } RadioButton RB=(RadioButton) Findviewbyid (Checkedid); Toast.maketext (UIActivity1. This, Rb.gettext (), Toast.length_long). Show ();        }        }); //check boxCheckBox Cb_st =(CheckBox) Findviewbyid (R.id.cb_st); Cb_st.setoncheckedchangelistener (NewCboncheckedchanglistenter () {@Override Public voidOnCheckedChanged (Compoundbutton Buttonview,BooleanisChecked)        {            }        }); Cb_st.setoncheckedchangelistener (NewCboncheckedchanglistenter ()); CheckBox CB_JC=(CheckBox) Findviewbyid (R.ID.CB_JC); Cb_jc.setoncheckedchangelistener (NewCboncheckedchanglistenter ()); CheckBox Cb_xt=(CheckBox) Findviewbyid (R.ID.CB_XT); Cb_xt.setoncheckedchangelistener (NewCboncheckedchanglistenter ()); CheckBox Cb_xhx=(CheckBox) Findviewbyid (R.ID.CB_XHX); Cb_xhx.setoncheckedchangelistener (NewCboncheckedchanglistenter ()); IV=(ImageView) Findviewbyid (R.ID.IV); ToggleButton Tob=(ToggleButton) Findviewbyid (R.id.tob); Tob.setoncheckedchangelistener (NewToncheckedchangelistenter ()); Switch SW=(Switch) Findviewbyid (R.ID.SW); Sw.setoncheckedchangelistener (NewToncheckedchangelistenter ()); DatePicker dp_1=(DatePicker) Findviewbyid (r.id.dp_1); Dp_1.init (2000, 0, 1,NewDatepicker.ondatechangedlistener () {@Override Public voidOndatechanged (DatePicker view,intYearintMonthofyear,intdayofmonth) {Toast.maketext (UIActivity1). This, year+ "-" + (monthofyear+1) + "-" +dayofmonth,toast.length_short). Show ();        }        }); Timepicker tp_1=(Timepicker) Findviewbyid (r.id.tp_1); Tp_1.setontimechangedlistener (NewTimepicker.ontimechangedlistener () {@Override Public voidOntimechanged (Timepicker view,intHourofday,intminute) {Toast.maketext (UIActivity1). This, Hourofday + ":" +minute,toast.length_short). Show ();    }        }); }    Private classToncheckedchangelistenterImplementscompoundbutton.oncheckedchangelistener{ Public voidOnCheckedChanged (Compoundbutton Buttonview,BooleanisChecked) {            if(isChecked) {iv.setimageresource (r.drawable.on);//set up a picture source            }            Else{iv.setimageresource (R.drawable.off); }        }    }    Private classCboncheckedchanglistenterImplementsCompoundbutton.oncheckedchangelistener {@Override Public voidOnCheckedChanged (Compoundbutton Buttonview,BooleanisChecked) {CheckBox CB=(CheckBox) Buttonview; if(isChecked) {toast.maketext (UIActivity1. This, "checked" +Cb.gettext (), Toast.length_long). Show (); }        Else{toast.maketext (UIActivity1). This, "Canceled" +Cb.gettext (), Toast.length_long). Show (); }    }    }}

<?xml version= "1.0" encoding= "Utf-8"? ><scrollview 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"android:padding= "10DP"Tools:context= "Com.hanqi.test5.UIActivity1"Android:scrollbars= "None" ><LinearLayout android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation= "Vertical" > <TextView android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Please select what is the Android development language?" "/> <Radiogroup android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"android:orientation= "Horizontal"Android:id= "@+id/rg" > <RadioButton android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "C + +"Android:id= "@+id/rb1"Android:layout_marginright= "30DP"android:checked= "true"/> <RadioButton android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "C"Android:id= "@+id/rb2"Android:layout_marginright= "30DP"/> <RadioButton android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "JAVA"Android:id= "@+id/rb3"Android:layout_marginright= "30DP"/> <RadioButton android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "C #"Android:id= "@+id/rb4"/> </RadioGroup> <TextView android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Please select font effect"/> <CheckBox android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Song Body"Android:id= "@+id/cb_st"android:checked= "true"/> <CheckBox android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Bold"Android:id= "@+id/cb_jc"/> <CheckBox android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Italic"Android:id= "@+id/cb_xt"/> <CheckBox android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Underline"Android:id= "@+id/cb_xhx"/> <ImageView android:layout_width= "80DP"Android:layout_height= "80DP"Android:background= "#f0f"Android:scaletype= "Centercrop"android:src= "@drawable/yuantu"Android:alpha= "0.3"Android:id= "@+id/iv1"/><!--alpha: Picture transparency, values between 0 and 1-<ImageView android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"android:src= "@drawable/off"Android:id= "@+id/iv"/> <ToggleButton android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:texton= "Open"Android:textoff= "Off"Android:id= "@+id/tob"/> <Switch android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:text= "Switch"Android:textoff= "Off"Android:texton= "Open"Android:id= "@+id/sw"/> <ToggleButton android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:texton=""Android:textoff=""Android:background= "@drawable/mybutton"Android:id= "@+id/tob1"/> <AnalogClock android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"/><!--dial Type-<DigitalClock android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"/><!--Digital-<DatePicker android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:startyear= "2000"Android:endyear= "2016"android:mindate= "1/1/2000"android:maxdate= "1/1/2016"Android:id= "@+id/dp_1"Android:calendarviewshown= "false" ></DatePicker> <!--date picker Calendarviewshown: Whether the calendar is displayed for version 4.0 only---<Timepicker android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:id= "@+id/tp_1" ></TimePicker><!--Time Picker--<CalendarView android:layout_width= "Match_parent"Android:layout_height= "Match_parent" ></CalendarView><!--calendar display--></linearlayout></scrollview>

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Android Course---Calendar selector and time picker