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java代码

packagecom.ejzjsq.app;importandroid.os.Bundle;importandroid.view.View;importandroid.widget.Button;importandroid.widget.EditText;importandroid.widget.TextView;importandroidx.appcompat.app.AppCompatActivity;publicclassMainActivityextendsAppCompatActivity{privateEditTexteditText1;privateEditTexteditText2;privateTextViewtextViewResult;@OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);editText1=findViewById(R.id.editText1);editText2=findViewById(R.id.editText2);textViewResult=findViewById(R.id.textViewResult);ButtonbuttonAdd=findViewById(R.id.buttonAdd);buttonAdd.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){performBinaryAddition();}});ButtonbuttonSubtract=findViewById(R.id.buttonSubtract);buttonSubtract.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){performBinarySubtraction();}});ButtonbuttonMultiply=findViewById(R.id.buttonMultiply);buttonMultiply.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){performBinaryMultiplication();}});ButtonbuttonDivide=findViewById(R.id.buttonDivide);buttonDivide.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){performBinaryDivision();}});ButtonbuttonSqrt=findViewById(R.id.buttonSqrt);buttonSqrt.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){performBinarySqrt();}});ButtonbuttonPower=findViewById(R.id.buttonPower);buttonPower.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){performBinaryPower();}});ButtonbuttonFactorial=findViewById(R.id.buttonFactorial);buttonFactorial.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewv){performBinaryFactorial();}});}privatevoidperformBinaryAddition(){Stringbinary1=editText1.getText().toString();Stringbinary2=editText2.getText().toString();intdecimal1=binaryToDecimal(binary1);intdecimal2=binaryToDecimal(binary2);intresultDecimal=decimal1+decimal2;StringresultBinary=decimalToBinary(resultDecimal);textViewResult.setText(resultBinary);}privatevoidperformBinarySubtraction(){Stringbinary1=editText1.getText().toString();Stringbinary2=editText2.getText().toString();intdecimal1=binaryToDecimal(binary1);intdecimal2=binaryToDecimal(binary2);intresultDecimal=decimal1-decimal2;StringresultBinary=decimalToBinary(resultDecimal);textViewResult.setText(resultBinary);}privatevoidperformBinaryMultiplication(){Stringbinary1=editText1.getText().toString();Stringbinary2=editText2.getText().toString();intdecimal1=binaryToDecimal(binary1);intdecimal2=binaryToDecimal(binary2);intresultDecimal=decimal1*decimal2;StringresultBinary=decimalToBinary(resultDecimal);textViewResult.setText(resultBinary);}privatevoidperformBinaryDivision(){Stringbinary1=editText1.getText().toString();Stringbinary2=editText2.getText().toString();intdecimal1=binaryToDecimal(binary1);intdecimal2=binaryToDecimal(binary2);if(decimal2==0){textViewResult.setText("除数不能为零");}else{intresultDecimal=decimal1/decimal2;StringresultBinary=decimalToBinary(resultDecimal);textViewResult.setText(resultBinary);}}privatevoidperformBinarySqrt(){Stringbinary=editText1.getText().toString();intdecimal=binaryToDecimal(binary);doublesqrtDecimal=Math.sqrt(decimal);StringresultBinary=decimalToBinary((int)sqrtDecimal);textViewResult.setText(resultBinary);}privatevoidperformBinaryPower(){Stringbinary1=editText1.getText().toString();Stringbinary2=editText2.getText().toString();intdecimal1=binaryToDecimal(binary1);intdecimal2=binaryToDecimal(binary2);intresultDecimal=(int)Math.pow(decimal1,decimal2);StringresultBinary=decimalToBinary(resultDecimal);textViewResult.setText(resultBinary);}privatevoidperformBinaryFactorial(){Stringbinary=editText1.getText().toString();intdecimal=binaryToDecimal(binary);intfactorial=1;for(inti=2;i<=decimal;i++){factorial*=i;}StringresultBinary=decimalToBinary(factorial);textViewResult.setText(resultBinary);}privateintbinaryToDecimal(Stringbinary){returnInteger.parseInt(binary,2);}privateStringdecimalToBinary(intdecimal){returnInteger.toBinaryString(decimal);}}xml代码<?xml version="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical"android:layout_width="match_parent"android:layout_height="match_parent"><EditTextandroid:id="@+id/editText1"android:layout_width="match_parent"android:layout_height="wrap_content"android:hint="输入第一个二进制数"/><EditTextandroid:id="@+id/editText2"android:layout_width="match_parent"android:layout_height="wrap_content"android:hint="输入第二个二进制数"/><Buttonandroid:id="@+id/buttonAdd"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="+"/><Buttonandroid:id="@+id/buttonSubtract"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="-"/><Buttonandroid:id="@+id/buttonMultiply"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="*"/><Buttonandroid:id="@+id/buttonDivide"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="/"/><Buttonandroid:id="@+id/buttonSqrt"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="平方根"/><Buttonandroid:id="@+id/buttonPower"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="幂运算"/><Buttonandroid:id="@+id/buttonFactorial"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="阶乘"/><TextViewandroid:id="@+id/textViewResult"android:layout_width="match_parent"android:layout_height="wrap_content"/></LinearLayout>