JAVA int 强制类型转换错误提示（Cannot cast from Object to int）

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在将ANDROID源码导入eclipse时，出错提示如下：
public void addActiveCid(int cid) {
if (cidActiveList == null) {
cidActiveList = new ArrayList();
}
for (int i=0;i
if(cid == cidActiveList.get(i)) { // 行 657
return;
}
}
cidActiveList.add(cid);
Log.d(LOG_TAG, “[” + phone.getPhoneId() + “]addActiveCid(“+cid+”) cidActive(“+cidActive+”) List(“+cidActiveList+”)”);
}
public void removeActiveCid(int cid) {
if (cidActiveList != null) {
for (int i=0;i
if(cid == cidActiveList.get(i)) { // 行667.
cidActiveList.remove(i);
}
}
}

Incompatible operand types int and Object DataConnectionTracker.java /check/frameworks/base/telephony/java/com/android/internal/telephony line 657 Java Problem

Incompatible operand types int and Object DataConnectionTracker.java /check/frameworks/base/telephony/java/com/android/internal/telephony line 667 Java Problem

将 if(cid == cidActiveList.get(i))加入强制转换int后，即

       if(cid == (int)cidActiveList.get(i))

又出现如下错误提示：
Cannot cast from Object to int DataConnectionTracker.java /check/frameworks/base/telephony/java/com/android/internal/telephony line 657 Java Problem

最后在网上找了一翻，最终改为如下，即问题解决。
if(cid == (Integer)cidActiveList.get(i))

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