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Created by magnum on October 22, 2012 20:03:05 Last update: October 22, 2012 20:03:05
First, the test command that sleeps random number of seconds ( sleeper.sh ):
#!/bin/bash stime=$[$RANDOM % 20] sleep $sti...As comparison, synchronous pipe code:
#include <sys/wait.h> #include <stdio.h> #in...Asynchronous pipe code:
#include <sys/wait.h> #include <stdio.h> #in...
Created by freyo on August 25, 2011 09:07:40 Last update: August 25, 2011 20:45:43
This is a list of built-in Android permission values: Permission Description Since API Level android.permission.ACCESS_CHECKIN_PROPERTIES Allows read/write access to the "properties" table in the checkin database, to change values that get uploaded. 1 android.permission.ACCESS_COARSE_LOCATION Allows an application to access coarse (e.g., Cell-ID, WiFi) location 1 android.permission.ACCESS_FINE_LOCATION Allows an application to access fine (e.g., GPS) location 1 android.permission.ACCESS_LOCATION_EXTRA_COMMANDS Allows an application to access extra location provider commands 1 android.permission.ACCESS_MOCK_LOCATION Allows an application to create mock location providers for testing 1 android.permission.ACCESS_NETWORK_STATE Allows applications to access information about networks 1 android.permission.ACCESS_SURFACE_FLINGER Allows an application to use SurfaceFlinger's low level features 1 android.permission.ACCESS_WIFI_STATE Allows applications to access information about Wi-Fi networks 1 android.permission.ACCOUNT_MANAGER Allows applications to call into AccountAuthenticators. Only the system can get this permission. 5 android.permission.AUTHENTICATE_ACCOUNTS...
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 January 31, 2011 16:24:31 Last update: January 31, 2011 16:24:58
Perl file test operators are unary operators that takes one argument, which can be a file name, a filehandle, or dirhandle. If the argument is omitted, it tests $_ , except for -t , which tests STDIN. Syntax: -X FILEHANDLE -X EXPR -X DIRHANDLE -X where X is: Operator Meaning -r File is readable by effective uid/gid. -w File is writable by effective uid/gid. -x File is executable by effective uid/gid. -o File is owned by effective uid. -R File is readable by real uid/gid. -W File is writable by real uid/gid. -X File is executable by real uid/gid. -O File is owned by real uid. -e File exists. -z File has zero size (is empty). -s File has nonzero size (returns size in bytes)....
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...