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| == Automatic Update via Wi-Fi ==
| | {{Migrating|https://smartpossdk.gitbook.io/cloudpossdk/faq/settings-menu/update-terminal-time}} |
| * When the Wi-Fi connection is enabled, the date and time will automatically update.
| |
| == Manual Update ==
| |
| * Go to: Settings > Date & Time.
| |
| * Disable "Automatic time zone" and "Automatic date & time".
| |
| * Manually set the date and time as needed.
| |
| == Update via API ==
| |
| * Utilize the Android system clock method to change the system time programmatically.
| |
| == Required Permissions ==
| |
| * To use the API method, include the following permission in your application's manifest: ''''android.permission.CLOUDPOS_SETTIME''''.
| |
| == Accessing Demo Source ==
| |
| * To understand the implementation details, please download the [http://ftp.wizarpos.com/advanceSDK/cloudpos/SetTimeDemo.zip complete project demo].
| |
| <syntaxhighlight lang="java">
| |
| public static void setDateTime(int year, int month, int day, int hour, int minute) throws IOException, InterruptedException {
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|
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| Calendar c = Calendar.getInstance();
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| c.set(Calendar.YEAR, year);
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| c.set(Calendar.MONTH, month-1);
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| c.set(Calendar.DAY_OF_MONTH, day);
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| c.set(Calendar.HOUR_OF_DAY, hour);
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| c.set(Calendar.MINUTE, minute);
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|
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| long when = c.getTimeInMillis();
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| if (when / 1000 < Integer.MAX_VALUE) {
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| SystemClock.setCurrentTimeMillis(when);
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| }
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| long now = Calendar.getInstance().getTimeInMillis();
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| //Log.d(TAG, "set tm="+when + ", now tm="+now);
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|
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| if(now - when > 1000)
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| throw new IOException("failed to set Date.");
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|
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| }
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| </syntaxhighlight>
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