Design of the calculator using UI custom controls in OC (version 1 simple subtraction, add, subtract, connect, connect)

Design of the calculator using UI custom controls in OC (version 1 simple subtraction, add, subtract, connect, connect)

#import <UIKit/UIKit.h> @interface viewcontroller:uiviewcontroller<uiapplicationdelegate>{    Float _ Operator1;    float _operator2;    float _result;} @end

#import "ViewController.h" @interface Viewcontroller () @end @implementation viewcontroller-(void) viewdidload {[Super V    Iewdidload];    Uitextfield * textFied1 = [[Uitextfield alloc]initwithframe:cgrectmake (10, 30, 300, 50)];    Textfied1.borderstyle = Uitextborderstyleline;    Textfied1.backgroundcolor = [Uicolor Redcolor];    [Self.view addsubview:textfied1];    Textfied1.clearbuttonmode = Uitextfieldviewmodealways;                Textfied1.tag = 007;    UIButton * btn1 = [UIButton buttonwithtype:uibuttontypecustom]; Btn1.    Frame=cgrectmake (10, 90, 70, 70);    Btn1.backgroundcolor = [Uicolor Orangecolor];    [Self.view ADDSUBVIEW:BTN1];        [Btn1 settitle:@ "7" forstate:uicontrolstatenormal];    [Btn1 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];          Btn1.tag = 7;    UIButton * btn2 = [UIButton buttonwithtype:uibuttontypecustom]; Btn2.    Frame=cgrectmake (85, 90, 70, 70);    Btn2.backgroundcolor = [Uicolor Orangecolor]; [Self.vieW ADDSUBVIEW:BTN2];    [Btn2 settitle:@ "8" forstate:uicontrolstatenormal];        Btn2.tag = 8;            [Btn2 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * Btn3 = [UIButton buttonwithtype:uibuttontypecustom]; Btn3.    Frame=cgrectmake (160, 90, 70, 70);    Btn3.backgroundcolor = [Uicolor Orangecolor];    [Self.view Addsubview:btn3];    [Btn3 settitle:@ "9" forstate:uicontrolstatenormal];       Btn3.tag = 9;        [Btn3 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * Btn4 = [UIButton buttonwithtype:uibuttontypecustom]; Btn4.    Frame=cgrectmake (235, 90, 70, 70);    Btn4.backgroundcolor = [Uicolor Orangecolor];    [Self.view ADDSUBVIEW:BTN4];    [Btn4 settitle:@ "/" forstate:uicontrolstatenormal];       Btn4.tag = 13;        [Btn4 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside]; UIButton * Btn5 = [UIButton buttonwithtype:uibuttontypeCustom]; Btn5.    Frame=cgrectmake (10, 165, 70, 70);    Btn5.backgroundcolor = [Uicolor Orangecolor];    [Self.view Addsubview:btn5];    [Btn5 settitle:@ "4" forstate:uicontrolstatenormal];        Btn5.tag = 4;        [Btn5 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * btn6 = [UIButton buttonwithtype:uibuttontypecustom]; Btn6.    Frame=cgrectmake (85, 165, 70, 70);    Btn6.backgroundcolor = [Uicolor Orangecolor];    [Self.view Addsubview:btn6];    [Btn6 settitle:@ "5" forstate:uicontrolstatenormal];    Btn6.tag = 5;            [Btn6 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * btn7 = [UIButton buttonwithtype:uibuttontypecustom]; Btn7.    Frame=cgrectmake (160, 165, 70, 70);    Btn7.backgroundcolor = [Uicolor Orangecolor];     [Self.view addsubview:btn7];    [Btn7 settitle:@ "6" forstate:uicontrolstatenormal];   Btn7.tag = 6; [Btn7 addtarget:self Action: @selector (btnclick:) foRcontrolevents:uicontroleventtouchupinside];    UIButton * Btn8 = [UIButton buttonwithtype:uibuttontypecustom]; Btn8.    Frame=cgrectmake (235, 165, 70, 70);    Btn8.backgroundcolor = [Uicolor Orangecolor];     [Self.view ADDSUBVIEW:BTN8];    [Btn8 settitle:@ "X" forstate:uicontrolstatenormal];    Btn8.tag = 12;        [Btn8 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * Btn9 = [UIButton buttonwithtype:uibuttontypecustom]; Btn9.    Frame=cgrectmake (10, 240, 70, 70);    Btn9.backgroundcolor = [Uicolor Orangecolor];    [Self.view Addsubview:btn9];    [Btn9 settitle:@ "1" forstate:uicontrolstatenormal];     Btn9.tag = 1;        [Btn9 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * Btn10 = [UIButton buttonwithtype:uibuttontypecustom]; Btn10.    Frame=cgrectmake (85, 240, 70, 70);    Btn10.backgroundcolor = [Uicolor Orangecolor];     [Self.view Addsubview:btn10]; [Btn10 Settitle:@ "2" forstate:uicontrolstatenormal];    Btn10.tag = 2;            [Btn10 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * btn11 = [UIButton buttonwithtype:uibuttontypecustom]; Btn11.    Frame=cgrectmake (160, 240, 70, 70);    Btn11.backgroundcolor = [Uicolor Orangecolor];     [Self.view Addsubview:btn11];    [Btn11 settitle:@ "3" forstate:uicontrolstatenormal];   Btn11.tag = 3;            [Btn11 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * Btn12 = [UIButton buttonwithtype:uibuttontypecustom]; Btn12.    Frame=cgrectmake (235, 240, 70, 70);    Btn12.backgroundcolor = [Uicolor Orangecolor];     [Self.view Addsubview:btn12];    [Btn12 settitle:@ "-" forstate:uicontrolstatenormal];   Btn12.tag = 11;        [Btn12 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * Btn13 = [UIButton buttonwithtype:uibuttontypecustom]; Btn13. FraMe=cgrectmake (10, 315, 70, 70);    Btn13.backgroundcolor = [Uicolor Orangecolor];     [Self.view Addsubview:btn13];    [Btn13 settitle:@ "0" forstate:uicontrolstatenormal];   Btn13.tag = 0;        [Btn13 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * btn14 = [UIButton buttonwithtype:uibuttontypecustom]; Btn14.    Frame=cgrectmake (85, 315, 145, 70);    Btn14.backgroundcolor = [Uicolor Orangecolor];     [Self.view addsubview:btn14];    [Btn14 settitle:@ "=" forstate:uicontrolstatenormal];   Btn14.tag = 14;        [Btn14 addtarget:self Action: @selector (Btnclick:) forcontrolevents:uicontroleventtouchupinside];    UIButton * Btn15 = [UIButton buttonwithtype:uibuttontypecustom]; Btn15.    Frame=cgrectmake (235, 315, 70, 70);    Btn15.backgroundcolor = [Uicolor Orangecolor];    [Self.view Addsubview:btn15];    [Btn15 settitle:@ "+" forstate:uicontrolstatenormal];    Btn15.tag = 10; [Btn15 addtarget:self Action: @selector (Btnclick:) forcontrOlevents:uicontroleventtouchupinside]; Do any additional setup after loading the view, typically from a nib.} Enum calcul//{//add,//sub,//mul,//mod//};////typedef enum CalCul calcul;int count;-(void) Btnclick: (uibut    ton *) btn{nsstring * str = [[NSString alloc]init];        if (Btn.tag = = 0) {Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "0";                _operator1 = 0;    Field.text = str;        } else if (btn.tag==1) {Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "1";        _operator2 = 1;    Field.text = str;        } else if (btn.tag==2) {Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "2";    Field.text = str;        } else if (btn.tag==3) {Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "3";    Field.text = str; } else if (btn.tag==4) {Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "4";    Field.text = str;        } else if (btn.tag==5) {Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "5";    Field.text = str;        } else if (btn.tag==6) {Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "6";    Field.text = str;        } else if (btn.tag==7) {Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "7";    Field.text = str;        } else if (btn.tag==8) {Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "8";    Field.text = str;        } else if (btn.tag==9) {Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "9";    Field.text = str;        } else if (btn.tag==10) {count = 1;        Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007]; //str = @ "+";        str = Field.text;        _result = _operator1;                _operator1 = [Str doublevalue];        str = [[NSString alloc]initwithformat:@ "%.2f", _result];    Field.text = str;        } else if (btn.tag==11) {count = 2;        Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "-";        _result = _operator1 + _operator2;        str = Field.text;        _operator1 = [Str doublevalue];    Field.text = str;        } else if (btn.tag==12) {count = 3;        Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "*";        str = Field.text;        _operator1 = [Str doublevalue];    Field.text = str;        } else if (btn.tag==13) {count = 4;        Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "/";        str = Field.text;        _operator1 = [Str doublevalue];    Field.text = str;       } else if (btn.tag==14) { Uitextfield * field = (Uitextfield *) [Self.view viewwithtag:007];        str = @ "=";        str = Field.text;        _operator2 = [Str doublevalue];        if (count==1) {_result = _operator1 + _operator2;        } else if (count = = 2) {_result = _operator1-_operator2;        } else if (count = = 3) {_result = _operator1 * _OPERATOR2;        } else if (count==4) {_result = _operator1/_operator2;        } str = [[NSString alloc]initwithformat:@ "%.6f", _result];    Field.text = str; }}-(BOOL) textfieldshouldbeginediting: (Uitextfield *) textfield{return YES;    -(void) didreceivememorywarning {[Super didreceivememorywarning]; Dispose of any resources the can be recreated.} @end

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.

Design of the calculator using UI custom controls in OC (version 1 simple subtraction, add, subtract, connect, connect)