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分類: Java

[Android] Access the static enum field from JNI

In the world of Java Native Interface (JNI) on Android, we often need to access the field of Java class. But, the difficulties are we should understand what the …

2013-05-31 pickerweng

[Android] ProGuard Error: Proguard returned with error code 1

Recent days, I met a problem about the Proguard on the Android application. When I want to release the signed APK, the Eclipse feedback the error message t …

2012-10-21 pickerweng

[Java] Type Erasure: Implement the Interface with Two Generic Types

在 Java 實作擁有 Generic Type 的 Interface 時,可能會希望同時 implement 兩種不同 Type 的 Interface。 狀況如下,有個 class 需要接收兩種不同的 Future Task 結果, – 要被 implement 的 interface public …

2012-05-27 pickerweng

[Android] Programming Objects between Java and JNI

Sometimes, you have to implement the performance sensitivity or low-level operations in your application. That means you need to execute the code on the na …

2011-12-31 pickerweng

[Java] Better I/O Performance : Buffered Stream

You can increase your I/O performance by the Buffered I/O technique when you are using the Java I/O methods,. The performance of Buffered I/O is better than Unb …

2011-12-04 pickerweng

[Java] What’s the Difference between wait() and sleep()?

下面是從 Android 的 Dalvik 拿來的 code,參考看看他的實作內容, 1329 void dvmThreadSleep(u8 msec, u4 nsec) 1330 { 1331 Thread* self = dvmThreadSelf(); 1332 Monitor* mon = gDvm.threa …

2011-08-03 pickerweng

[Java] How to Pass a Primitive-Type Variable by Reference and to Change its Value in the Method in Java?

In Java, it doesn’t use pointer for representing the variables. The primitive type of variable is used to store a value. For example,   int varInt = 1; Th …

2011-06-17 pickerweng

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  • 「cialis genérico canada」於〈[Android] Background Video Recorder on Android〉發佈留言
  • 「Alexander E-P」於〈[Android] How to Set the Partition Size for Android Emulator as Default?〉發佈留言
  • 「Picker」於〈[Android] Background Video Recorder on Android〉發佈留言
  • 「Picker」於〈[Android] Background Video Recorder on Android〉發佈留言
  • 「Fation Joni」於〈[Android] Background Video Recorder on Android〉發佈留言

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