Siemens AC65 Uživatelská příručka stáhnout pdf (Strana 49)

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Java User’s Guide

5.13 System Time

wm_java_usersguide_v12 Page 49 of 123 2008-02-25

Confidential / Released

5.13 System Time

When Java starts up, it initializes its time base from the system’s real time clock. If the RTC is

changed by AT command (AT+CCLK) later on, the Java time does not adjust. So, the time you

get with (AT+CCLK) and the time you get with System.currentTimeMilis() may not necessarily

be identical.

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User’s Guide 1
Java User’s Guide 10
1Preface 11
2Overview 12
2.2 Terms and Abbreviations 13
3Installation 15
3.3 Installation CD for TC65 17
3.3.1 Components 18
3.3.1.1 Module Exchange Suite 18
3.3.1.2 WTK 18
3.3.1.3 SDK / JDK 19
3.3.1.4 NetBeans IDE 5.0 19
3.3.1.5 NetBeans IDE 5.5.1 19
Confidential / Released 20
(Quick Start-up) 22
Developer 27
3.6 SMTK Uninstall 27
3.7 Upgrades 27
4 Software Platform 28
4.2.7 GPS 30
4.2.8 JVM Interfaces 31
4.2.8.1 IP Networking 31
4.2.8.2 Media 31
4.2.8.3 Other Interfaces 31
4.4.1 Module States 33
5 Maintenance 36
5.2 Remote SIM Access 37
5.3 Power Saving 37
5.4 Charging 38
5.5 Airplane Mode 38
5.6 Alarm 38
5.7 Shutdown 39
5.7.1 Automatic Shutdown 39
5.7.2 Manual Shutdown 39
5.7.4 Watchdog 39
5.8.3 Long Responses 40
5.8.5 Java Commands 41
5.8.6 AutoExec Function 41
5.9 System Out 41
5.9.1 Serial interfaces 41
5.12 Performance 43
5.12.1 Java 43
5.12.2 Pin I/O 44
5.12.3.4 Upload 46
5.12.3.5 Download 47
5.13 System Time 49
6 MIDlets 50
6.3 Hello World MIDlet 52
7 File Transfer to Module 53
7.3 Security Issues 54
7.3.1 Module Exchange Suite 54
7.3.2 OTAP 54
8.1 Introduction to OTAP 55
8.2 OTAP Overview 55
8.3 OTAP Parameters 56
8.4 Short Message Format 57
8.5 Java File Format 58
8.6 Procedures 59
8.6.1 Install/Update 59
8.6.2 Delete 60
8.8 Tips and Tricks for OTAP 61
8.9 OTAP Tracer 62
8.10 Security 62
8.11 How To 62
9.1 Build Results 64
9.2 Compile 65
9.4.1 Switch on Autostart 66
9.4.2 Switch off Autostart 66
10.1.1 Setup a New Project 67
11 Debug Environment 72
11.2 Emulator 73
11.3 Java IDE 75
11.3.1.2 Templates 77
11.3.1.3 Examples 78
11.3.1.4 Compile and Run 79
11.3.2.1 Eclipse 3.0 81
11.3.2.2 Eclipse 3.1 81
11.3.2.3 Eclipse 3.2 81
→ Preferences 82
→ J2ME → Device Management: 84
11.3.2.7 Import Example 86
11.3.2.8 Compile and Debug 87
→ Preferences 88
→ Platform 88
11.3.3 Borland JBuilder X 91
11.3.3.1 Examples 92
→ Config 94
11.3.4.1 Examples 95
11.4 Breakpoints 95
12 Java Security 98
12.2 Execution Control 103
12.5.1 Create Key Store 110
12.5.4 Sign a MIDlet 112
12.6 Attention 112
13 Java Tutorial 113
13.1.1.3 Data Connections 115
13.1.1.4 Synchronization 117
13.1.3.1 ATEvents 118
13.1.3.2 Implementation 119
13.2 Programming the MIDlet 121
13.2.1 Threads 121
13.2.2 Example 121
14 Differences to the TC45 123

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