-1
내 응용 프로그램에는 클릭하면 새 작업이 열리는 확인란이 있습니다. 그러나 지금은 제목에 언급 된 오류가 발생합니다. 나는 내가 그 방법을 가지고 있다고 느낀다. 그러나 내가 그것을 올바르게 사용하는지 잘 모르겠다. 체크 박스가 열리는 활동은 MajorsList입니다. 체크 박스의활동 오류 메서드를 실행할 수 없습니다.
public class MainActivity extends Activity {
public static double scoreDouble;
TextView score;
EditText gpa;
EditText sat;
EditText act;
Button calc;
CheckBox checkbox;
public void onCheckBoxClicked(View view){
boolean checked = ((CheckBox) checkbox).isChecked();
if(checked){
Intent myIntent = new Intent(MainActivity.this, MajorsList.class);
MainActivity.this.startActivity(myIntent);
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
gpa = (EditText) findViewById(R.id.gpa);
sat = (EditText) findViewById(R.id.sat);
act = (EditText) findViewById(R.id.act);
checkbox = (CheckBox) findViewById(R.id.checkBox);
score = (TextView) findViewById(R.id.score);
calc = (Button) findViewById(R.id.calc);
calc.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
String gpaString = gpa.getText().toString();
if (gpaString.equals("")) {
gpaString = "0";
}
double gpaDouble = Double.parseDouble(gpaString);
String satString = sat.getText().toString();
if (satString.equals("")) {
satString = "0";
}
int satInt = Integer.parseInt(satString);
String actString = act.getText().toString();
if (actString.equals("")) {
actString = "0";
}
int actInt = Integer.parseInt(actString);
if (actInt/36.0 < satInt/2400.0) {
scoreDouble = (0.6 * gpaDouble * 25)
+ (0.4 * ((double) satInt/2400.0) * 100.0);
} else {
scoreDouble = (0.6 * gpaDouble * 25)
+ (0.4 * ((double) actInt/36.0) * 100.0);
}
Intent myIntent = new Intent(MainActivity.this, CollegeList.class);
MainActivity.this.startActivity(myIntent);
}
}
);
}
}
로그 캣
07-08 19:35:31.168: E/AndroidRuntime(2995): FATAL EXCEPTION: main
07-08 19:35:31.168: E/AndroidRuntime(2995): java.lang.IllegalStateException: Could not execute method of the activity
07-08 19:35:31.168: E/AndroidRuntime(2995): at android.view.View$1.onClick(View.java:3597)
07-08 19:35:31.168: E/AndroidRuntime(2995): at android.view.View.performClick(View.java:4202)
07-08 19:35:31.168: E/AndroidRuntime(2995): at android.widget.CompoundButton.performClick(CompoundButton.java:100)
07-08 19:35:31.168: E/AndroidRuntime(2995): at android.view.View$PerformClick.run(View.java:17340)
07-08 19:35:31.168: E/AndroidRuntime(2995): at android.os.Handler.handleCallback(Handler.java:725)
07-08 19:35:31.168: E/AndroidRuntime(2995): at android.os.Handler.dispatchMessage(Handler.java:92)
07-08 19:35:31.168: E/AndroidRuntime(2995): at android.os.Looper.loop(Looper.java:137)
07-08 19:35:31.168: E/AndroidRuntime(2995): at android.app.ActivityThread.main(ActivityThread.java:5039)
07-08 19:35:31.168: E/AndroidRuntime(2995): at java.lang.reflect.Method.invokeNative(Native Method)
07-08 19:35:31.168: E/AndroidRuntime(2995): at java.lang.reflect.Method.invoke(Method.java:511)
07-08 19:35:31.168: E/AndroidRuntime(2995): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
07-08 19:35:31.168: E/AndroidRuntime(2995): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
07-08 19:35:31.168: E/AndroidRuntime(2995): at dalvik.system.NativeStart.main(Native Method)
07-08 19:35:31.168: E/AndroidRuntime(2995): Caused by: java.lang.reflect.InvocationTargetException
07-08 19:35:31.168: E/AndroidRuntime(2995): at java.lang.reflect.Method.invokeNative(Native Method)
07-08 19:35:31.168: E/AndroidRuntime(2995): at java.lang.reflect.Method.invoke(Method.java:511)
07-08 19:35:31.168: E/AndroidRuntime(2995): at android.view.View$1.onClick(View.java:3592)
07-08 19:35:31.168: E/AndroidRuntime(2995): ... 12 more
레이아웃
<CheckBox
android:id="@+id/checkBox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/TextView02"
android:layout_marginTop="29dp"
android:text="Choose Interested Majors"
android:onClick="onCheckboxClicked" />
내가 새로운 활동을 열 수있는 체크 박스해야 할 것인가?
logcat에 무슨 오류가 있습니까? – Hariharan
@Hariharan logcat을 추가했습니다 – RainbowJeremy
AndroidManifest.xml 파일에 해당 활동을 선언 했습니까? – csmckelvey