Android OutOfMemoryError

Question

尝试使用SAXParser解析大型XML文件时，我的应用程序崩溃。
我在SO把它here悬而未决发现的问题。
它是按预期工作时，我减少XML的大小
这是我的LogCat输出。

11-26 12:08:45.099: WARN/dalvikvm(218): threadid=17: thread exiting with uncaught exception (group=0x4001aa28) 
11-26 12:08:45.109: ERROR/AndroidRuntime(218): Uncaught handler: thread Thread-9 exiting due to uncaught exception 
11-26 12:08:45.220: ERROR/AndroidRuntime(218): java.lang.OutOfMemoryError 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at java.lang.Object.internalClone(Native Method) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at java.lang.Object.clone(Object.java:82) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at java.lang.AbstractStringBuilder.append0(AbstractStringBuilder.java:141) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at java.lang.StringBuilder.append(StringBuilder.java:282) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at com.google.android.iopex.SaxXMLHandler.characters(SaxXMLHandler.java:24) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at org.apache.harmony.xml.ExpatParser.text(ExpatParser.java:166) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at org.apache.harmony.xml.ExpatParser.append(Native Method) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at org.apache.harmony.xml.ExpatParser.parseFragment(ExpatParser.java:506) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at org.apache.harmony.xml.ExpatParser.parseDocument(ExpatParser.java:467) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at org.apache.harmony.xml.ExpatReader.parse(ExpatReader.java:329) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at org.apache.harmony.xml.ExpatReader.parse(ExpatReader.java:286) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at javax.xml.parsers.SAXParser.parse(SAXParser.java:361) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at javax.xml.parsers.SAXParser.parse(SAXParser.java:240) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at com.google.android.iopex.SaxParser.parse(SaxParser.java:22) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at com.google.android.iopex.iOPEXActivity$4.run(iOPEXActivity.java:112) 
11-26 12:08:45.220: ERROR/AndroidRuntime(218):  at java.lang.Thread.run(Thread.java:1060) 

HERE是，我使用解析

Answer 1

有针对Android堆的限制，在阅读您的文件块的XML数据，并解析它方便

忍者编辑代码：

根据Tseng：高速缓存List<DbEntry>通过读入20-30个条目更有意义。