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当我运行代码时,它给出了致命错误&java.lang.IllegalStateException:找不到方法OnClick(视图)_Java_Android - Fatal编程技术网

当我运行代码时,它给出了致命错误&java.lang.IllegalStateException:找不到方法OnClick(视图)

当我运行代码时,它给出了致命错误&java.lang.IllegalStateException:找不到方法OnClick(视图),java,android,Java,Android,这是我的密码: package com.vogella.android.temperatureconverter; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.EditText; import android.widget.RadioButton; import android.widget.To

这是我的密码:

package com.vogella.android.temperatureconverter;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    private EditText text;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        text = (EditText) findViewById(R.id.inputValue);

    }

    // this method is called at button click because we assigned the name to the
    // "OnClick" property of the button
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.button1:
                RadioButton celsiusButton = (RadioButton) findViewById(R.id.radio0);
                RadioButton fahrenheitButton = (RadioButton) findViewById(R.id.radio1);
                if (text.getText().length() == 0) {
                    Toast.makeText(this, "Please enter a valid number",
                            Toast.LENGTH_LONG).show();
                    return;
                }

                float inputValue = Float.parseFloat(text.getText().toString());
                if (celsiusButton.isChecked()) {
                    text.setText(String
                            .valueOf(ConverterUtil.convertFahrenheittoCelsius(inputValue)));
                    celsiusButton.setChecked(false);
                    fahrenheitButton.setChecked(true);
                } else {
                    text.setText(String
                            .valueOf(ConverterUtil.convertCelsiustoFahrenheit(inputValue)));
                    fahrenheitButton.setChecked(false);
                    celsiusButton.setChecked(true);
                }
                break;
        }
    }}
我的xml是:

    <LinearLayout 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:orientation="vertical"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity"
    android:background="@color/myColor">


    <EditText
        android:id="@+id/inputValue"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentEnd="true"
        android:layout_below="@+id/textView"
        android:ems="10"
        android:inputType="numberSigned|numberDecimal" />

    <RadioGroup
        android:id="@+id/radioGroup1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignStart="@+id/editText1"
        android:layout_below="@+id/editText1">

        <RadioButton
            android:id="@+id/radio0"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:checked="true"
            android:text="@string/celsius" />

        <RadioButton
            android:id="@+id/radio1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/fahrenheit" />
    </RadioGroup>

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignStart="@+id/radioGroup1"
        android:layout_below="@+id/radioGroup1"
        android:layout_marginTop="22dp"
        android:text="@string/calc"
        android:onClick="OnClick"/>

</LinearLayout> 
项目正在编译,但当我运行此程序时,不幸的是,您的应用程序已停止,并在日志上显示运行时间错误:
致命异常和java.lang.IllegalStateException:在android的父或祖先上下文中找不到方法OnClickView:onClick属性,该属性是在视图类android.support.v7.widget.AppCompatButton上定义的,id为“button1”

onClick与onClick不同@m02ph3u5