Leap year date time Java Android example
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GregorianCalendar cal = new GregorianCalendar(); Boolean b = cal.isLeapYear(2012); // true, Android example.
public class MainActivity extends Activity {
TextView txtV;
Context cntx;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
txtV = (TextView)findViewById(R.id.idLabel);
cntx = this;
StringBuilder strBuild = new StringBuilder();
GregorianCalendar cal = new GregorianCalendar();
Boolean b = cal.isLeapYear(2012); // true
strBuild.append("Is leap year 2012? " + b + "
");
b = cal.isLeapYear(2014); // false
strBuild.append("Is leap year 2014? " + b + "
");
txtV.setText(strBuild);
}
}
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Další témata ....(Topics)
Create file restartADB.bat in folder
c:\Program Files\Android\android-sdk-windows\platform-tools\
Write into restartADB.bat this code:
Save restartADB.bat file.
If you want restart adb.exe server, run restartADB.bat by double click on icon.
Next example:
[caption id="attachment_778" align="alignleft" width="300" caption="ADB server restart by command line"]
[/caption]
Try restart ADB if this or similar errors:
Emulator] emulator: emulator window was out of view and was recentred
c:\Program Files\Android\android-sdk-windows\platform-tools\
Write into restartADB.bat this code:
adb kill-server && adb start-server
pause
Save restartADB.bat file.
If you want restart adb.exe server, run restartADB.bat by double click on icon.
Next example:
- Open Total Commander
- Open folder with adb.exe usually in
c:\Program Files\Android\android-sdk-windows\platform-tools\ - Put into command line command: adb kill-server && adb start-server and press Enter
[caption id="attachment_778" align="alignleft" width="300" caption="ADB server restart by command line"]
[/caption]
Try restart ADB if this or similar errors:
Emulator] emulator: emulator window was out of view and was recentred
Issue: Cropped superscript index between tags sup /sup is not correctly visible in TextView or View as Button.
String s = "10<sup>12 </sup>";
textView.setText(Html.fromHtml(s)); // 12 will cropped
// solution:
s = "10<sup>12 </sup>\t "; // add behind ending of sup tag the tabulator \t,
// but not char \t but only press to TAB key!!! in source code
textView.setText(Html.fromHtml(s)); // 12 is visible correctly
How to quickly change all icon set in .apk project with Eclipse:
Right click on project in folder tree
Select New - Ohter
In open wizard dialog select Android Icon Set
Set Icon set name:
Open some large icon for your project for example 512x512 px and wizard will make all set of icons from one largest icon:
Wizard will create all set of icons from this one largest icon.
Click on finish button:
Right click on project in folder tree
Select New - Ohter
In open wizard dialog select Android Icon Set
Set Icon set name:
Open some large icon for your project for example 512x512 px and wizard will make all set of icons from one largest icon:
Wizard will create all set of icons from this one largest icon.
Click on finish button:
C:\documents\workspace\.metadata\.plugins\org.eclipse.core.runtime\.settings\org.eclipse.jdt.ui.prefs
public class Panel extends SurfaceView implements SurfaceHolder.Callback {
//............... code
//............... some code
/**
* Process the MotionEvent.
*/
@Override
public boolean onTouchEvent(MotionEvent event) {
synchronized (getHolder()) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
performClick();
} else if (event.getAction() == MotionEvent.ACTION_MOVE) {
if(_currentGraphic==null)return true;
} else if (event.getAction() == MotionEvent.ACTION_UP) {
}
return true;
}
}
/////////////////////////////
@Override
public boolean performClick() {
// Calls the super implementation, which generates an AccessibilityEvent
// and calls the onClick() listener on the view, if any
super.performClick();
// Handle the action for the custom click here
return true;
}
}
Editace: 2011-09-29 20:44:21
Počet článků v kategorii: 396
Url:leap-year-date-time-java-android-example
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