XML을 구문 분석하는 중 오류가 발생했습니다. 스쿨 트랩의 언 바운드 접두사

Question

검색 한 결과 일부는 실제로 여기 내 비슷한 질문을 받지만 나타나지 않은 해결책을 시도했지만 아무런 문제가 해결되지 않았습니다.

그리고 난이 XML

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout 
xmlns:android="http://schemas.android.com/apk/res/android" 
xmlns:ProgressWheel="http://schemas.android.com/apk/res/com.visualdenim.schooltraq" 
android:layout_width="fill_parent" 
android:layout_height="fill_parent" 
android:orientation="vertical" 
android:background="#FFFFFF" > 

     <com.example.progressbar.ProgressWheel 
      android:id="@+id/progressBarTwo" 
      android:layout_width="150dp" 
      android:layout_height="150dp" 
      ProgressWheel:text="Click\none of the\nbuttons" 
      ProgressWheel:textColor="#222222" 
      ProgressWheel:textSize="14sp" 
      ProgressWheel:rimColor="#44000000" 
      ProgressWheel:barLength="60dp" 
      ProgressWheel:barColor="#339BB9" 
      ProgressWheel:barWidth="25dp" 
      ProgressWheel:rimWidth="25dp" 
      ProgressWheel:spinSpeed="3dp" /> 
    </LinearLayout> 

     <com.example.progressbar.ProgressWheel 
      android:id="@+id/progressBarThree" 
      android:layout_width="150dp" 
      android:layout_height="150dp" 
      ProgressWheel:text="" 
      ProgressWheel:textColor="#222222" 
      ProgressWheel:textSize="14sp" 
      ProgressWheel:rimColor="#44000000" 
      ProgressWheel:circleColor="#2E9121" 
      ProgressWheel:barLength="20dp" 
      ProgressWheel:barColor="#8000" 
      ProgressWheel:barWidth="25dp" 
      ProgressWheel:rimWidth="25dp" 
      ProgressWheel:spinSpeed="-1dp" /> 

     <com.example.progressbar.ProgressWheel 
      android:id="@+id/progressBarFour" 
      android:layout_width="50dp" 
      android:layout_height="50dp" 
      ProgressWheel:text="" 
      ProgressWheel:textColor="#222222" 
      ProgressWheel:textSize="14sp" 
      ProgressWheel:rimColor="#4000" 
      ProgressWheel:barLength="30dp" 
      ProgressWheel:barColor="#222" 
      ProgressWheel:barWidth="4dp" 
      ProgressWheel:rimWidth="1dp" 
      ProgressWheel:spinSpeed="30dp" 
      ProgressWheel:delayMillis="75" /> 

</RelativeLayout> 

Answer 1

패키지 이름 변경

에 오류 언 바운드 접두사가

<?xml version="1.0" encoding="utf-8"?> 
<RelativeLayout 
xmlns:android="http://schemas.android.com/apk/res/android" 
xmlns:ProgressWheel="http://schemas.android.com/apk/res/com.example.progressbar" // changed 
android:layout_width="fill_parent" 
android:layout_height="fill_parent" 
android:orientation="vertical" 
android:background="#FFFFFF" > 

     <com.example.progressbar.ProgressWheel 
      android:id="@+id/progressBarTwo" 
      android:layout_width="150dp" 
      android:layout_height="150dp" 
      ProgressWheel:text="Click\none of the\nbuttons" 
      ProgressWheel:textColor="#222222" 
      ProgressWheel:textSize="14sp" 
      ProgressWheel:rimColor="#44000000" 
      ProgressWheel:barLength="60dp" 
      ProgressWheel:barColor="#339BB9" 
      ProgressWheel:barWidth="25dp" 
      ProgressWheel:rimWidth="25dp" 
      ProgressWheel:spinSpeed="3dp" /> 
    </LinearLayout> 

     <com.example.progressbar.ProgressWheel 
      android:id="@+id/progressBarThree" 
      android:layout_width="150dp" 
      android:layout_height="150dp" 
      ProgressWheel:text="" 
      ProgressWheel:textColor="#222222" 
      ProgressWheel:textSize="14sp" 
      ProgressWheel:rimColor="#44000000" 
      ProgressWheel:circleColor="#2E9121" 
      ProgressWheel:barLength="20dp" 
      ProgressWheel:barColor="#8000" 
      ProgressWheel:barWidth="25dp" 
      ProgressWheel:rimWidth="25dp" 
      ProgressWheel:spinSpeed="-1dp" /> 

     <com.example.progressbar.ProgressWheel 
      android:id="@+id/progressBarFour" 
      android:layout_width="50dp" 
      android:layout_height="50dp" 
      ProgressWheel:text="" 
      ProgressWheel:textColor="#222222" 
      ProgressWheel:textSize="14sp" 
      ProgressWheel:rimColor="#4000" 
      ProgressWheel:barLength="30dp" 
      ProgressWheel:barColor="#222" 
      ProgressWheel:barWidth="4dp" 
      ProgressWheel:rimWidth="1dp" 
      ProgressWheel:spinSpeed="30dp" 
      ProgressWheel:delayMillis="75" /> 

</RelativeLayout>