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Created by timo on January 25, 2012 20:13:13 Last update: January 25, 2012 20:13:13
The MIPS CPU is able to run both big-endian and little-endian. So a system built on MIPS can be either big-endian (mips) or little-endian (mipsel). The file command shows the architecture:
$ file ls ls: ELF 32-bit LSB executable, MIPS, ...but readelf will tell the endianness:
$ readelf -h ls ELF Header: Magic: 7f 45...
Created by freyo on May 05, 2011 09:00:36 Last update: May 05, 2011 09:07:27
This example uses an Intent with Uri scheme tel: to invoke the phone dialer. Create a new project with:
$ ~/android-sdk-linux_86/tools/android create proj...Update the layout res/layout/main.xml to add a text field and a button:
<?xml version="1.0" encoding="utf-8"?> <LinearL...Update the Java class src/com/android/intenttest/CallPhone.java to handle button click and start the built-in phone dialer with Intent :
package com.android.intenttest; import andr...Update AndroidManifest.xml to add CALL_PHONE permission:
<?xml version="1.0" encoding="utf-8"?> <manifes...Install to the emulator and test:
ant installThe phone dialer will be invoked when you click the "Call" button. So how did this happen? The CallPhone activity creates an Intent with action Intent.ACTION_CALL and Uri tel:<a number> and sends it off to Android. Android starts the activity com.android.phone.OutgoingCallBroadcaster because the intent matches the...
Created by Dr. Xi on April 27, 2011 15:58:31 Last update: April 27, 2011 20:05:22
From JavaDoc : java.util.concurrent.locks.ReentrantLock is a reentrant mutual exclusion Lock with the same basic behavior and semantics as the implicit monitor lock accessed using synchronized methods and statements, but with extended capabilities. The extended capabilities are: tryLock() : acquire the lock if possible, otherwise immediately return false. tryLock(long timeout, TimeUnit unit) : acquire the lock within the timeout, return false after timeout. lockInterruptibly() : try to acquire the lock and enter wait state, but can be interrupted by other threads and exit waiting. The following shows how java.util.concurrent.locks.ReentrantLock can be used. Start two threads to manipulate the same counter, one incrementing, the other decrementing. Since the counter is incremented and decremented the same number of times, in the end, it should be 0. Without locking,...
Created by Dr. Xi on October 26, 2010 04:47:37 Last update: January 11, 2011 20:00:36
<!doctype html> <html> <head> <style typ...
Created by Fang on August 26, 2009 02:50:20 Last update: January 10, 2010 00:22:44
You can use the Maven archetype plugin to quickly start a new Maven project from scratch:
C:\work\maven>mvn archetype:generate [INFO] S...