android studio设计计算器复数或非运算

以下是一个简单的Android Studio计算器应用程序，可以进行复数或非运算：

1. 创建一个新的Android Studio项目，并在布局文件中添加一个TextView和多个Button。

2. 在MainActivity.java中添加以下代码：

public class MainActivity extends AppCompatActivity {

    TextView resultText;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        resultText = findViewById(R.id.resultText);
    }

    public void onButtonClick(View view) {
        Button button = (Button) view;

        String buttonText = button.getText().toString();
        String result = resultText.getText().toString();

        switch (buttonText) {
            case "C":
                resultText.setText("");
                break;
            case "+/-":
                if (result.startsWith("-")) {
                    resultText.setText(result.substring(1));
                } else {
                    resultText.setText("-" + result);
                }
                break;
            case "=":
                if (result.contains("+")) {
                    String[] parts = result.split("\\+");
                    double real = Double.parseDouble(parts[0]);
                    double imaginary = Double.parseDouble(parts[1].replace("i", ""));
                    ComplexNumber complexNumber = new ComplexNumber(real, imaginary);
                    resultText.setText(complexNumber.toString());
                } else if (result.contains("-")) {
                    String[] parts = result.split("-");
                    double real = Double.parseDouble(parts[0]);
                    double imaginary = Double.parseDouble(parts[1].replace("i", ""));
                    ComplexNumber complexNumber = new ComplexNumber(real, -imaginary);
                    resultText.setText(complexNumber.toString());
                } else {
                    resultText.setText(result);
                }
                break;
            default:
                resultText.setText(result + buttonText);
                break;
        }
    }
}

3. 添加一个名为ComplexNumber的新类，用于执行复数运算：

public class ComplexNumber {

    private double real;
    private double imaginary;

    public ComplexNumber(double real, double imaginary) {
        this.real = real;
        this.imaginary = imaginary;
    }

    public double getReal() {
        return real;
    }

    public void setReal(double real) {
        this.real = real;
    }

    public double getImaginary() {
        return imaginary;
    }

    public void setImaginary(double imaginary) {
        this.imaginary = imaginary;
    }

    @Override
    public String toString() {
        if (imaginary == 0) {
            return String.format("%.2f", real);
        } else if (real == 0) {
            return String.format("%.2fi", imaginary);
        } else {
            return String.format("%.2f + %.2fi", real, imaginary);
        }
    }
}

4. 运行应用程序并测试复数或非运算。