Eclipse에서 첫 번째 Android 애플리케이션 (간단한 온도 변환기)을 만들려고했지만 휴대 전화의 버튼을 클릭하면 앱이 다운됩니다. 여기버튼 클릭시 Android 앱이 충돌 함
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/radioGroup1"
android:layout_centerHorizontal="true"
android:layout_marginTop="16dp"
android:onClick="onBtnClicked"
android:text="Calculate" />
내가 가야하는 방법을 잘 모르겠어요 버튼 버튼의 XML에 대한 마지막
04-13 20:19:50.423: E/AndroidRuntime(25200): FATAL EXCEPTION: main
04-13 20:19:50.423: E/AndroidRuntime(25200): java.lang.IllegalStateException: Could not execute method of the activity
04-13 20:19:50.423: E/AndroidRuntime(25200): at android.view.View$1.onClick(View.java:3674)
04-13 20:19:50.423: E/AndroidRuntime(25200): at android.view.View.performClick(View.java:4198)
04-13 20:19:50.423: E/AndroidRuntime(25200): at android.view.View$PerformClick.run(View.java:17158)
04-13 20:19:50.423: E/AndroidRuntime(25200): at android.os.Handler.handleCallback(Handler.java:615)
04-13 20:19:50.423: E/AndroidRuntime(25200): at android.os.Handler.dispatchMessage(Handler.java:92)
04-13 20:19:50.423: E/AndroidRuntime(25200): at android.os.Looper.loop(Looper.java:137)
04-13 20:19:50.423: E/AndroidRuntime(25200): at android.app.ActivityThread.main(ActivityThread.java:4918)
04-13 20:19:50.423: E/AndroidRuntime(25200): at java.lang.reflect.Method.invokeNative(Native Method)
04-13 20:19:50.423: E/AndroidRuntime(25200): at java.lang.reflect.Method.invoke(Method.java:511)
04-13 20:19:50.423: E/AndroidRuntime(25200): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1004)
04-13 20:19:50.423: E/AndroidRuntime(25200): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:771)
04-13 20:19:50.423: E/AndroidRuntime(25200): at dalvik.system.NativeStart.main(Native Method)
04-13 20:19:50.423: E/AndroidRuntime(25200): Caused by: java.lang.reflect.InvocationTargetException
04-13 20:19:50.423: E/AndroidRuntime(25200): at java.lang.reflect.Method.invokeNative(Native Method)
04-13 20:19:50.423: E/AndroidRuntime(25200): at java.lang.reflect.Method.invoke(Method.java:511)
04-13 20:19:50.423: E/AndroidRuntime(25200): at android.view.View$1.onClick(View.java:3669)
04-13 20:19:50.423: E/AndroidRuntime(25200): ... 11 more
04-13 20:19:50.423: E/AndroidRuntime(25200): Caused by: android.content.res.Resources$NotFoundException: String resource ID #0x59
04-13 20:19:50.423: E/AndroidRuntime(25200): at android.content.res.Resources.getText(Resources.java:242)
04-13 20:19:50.423: E/AndroidRuntime(25200): at android.widget.TextView.setText(TextView.java:3773)
04-13 20:19:50.423: E/AndroidRuntime(25200): at com.example.myfirstapp.MainActivity.onBtnClicked(MainActivity.java:43)
04-13 20:19:50.423: E/AndroidRuntime(25200): ... 14 more
04-13 20:19:50.453: E/android.os.Debug(718): [email protected] > dumpstate -k -t -z -d -o /data/log/dumpstate_app_error
그리고를 클릭
package com.example.myfirstapp;
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.Window;
import android.widget.EditText;
import android.widget.RadioButton;
import android.widget.TextView;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
String number;
int number2;
int output;
boolean F;
public void onBtnClicked(View view){
EditText mEdit = (EditText)findViewById(R.id.editText1);
TextView myTextView = (TextView) findViewById(R.id.label);
number = mEdit.getText().toString();
number2 = Integer.parseInt(number);
if(F=true){
output=number2*9/5+32;
}
else{
output=number2-32*5/9;
}
myTextView.setText(output);
}
public void onRadioButtonClicked(View view) {
boolean checked = ((RadioButton) view).isChecked();
switch(view.getId()) {
case R.id.radio0:
if (checked)
F = true;
break;
case R.id.radio1:
if (checked)
F = false;
break;
}
}
}
로그 캣은 전체 자바 코드를입니다 이걸 수정하면 누군가가 도와 줄 수 있기를 바랍니다. 감사합니다. .
43은 무엇 라인? – Gustek
나는 이것이 문제라고 생각하지 않지만 if (F = true) 대신 을 사용하고 간단하게 (F) 또는 (F == true)를 사용하면 – FoxCrafter