Android Api level - SDK version - how get Api level on device - sample
import android.os.Build.VERSION;
//
int nSdkVersion = Integer.parseInt(Build.VERSION.SDK);
int nApiVersion = VERSION.SDK;
Platform Version | API Level |
---|---|
Android 4.0 | 14 |
Android 3.2 | 13 |
Android 3.1.x | 12 |
Android 3.0.x | 11 |
Android 2.3.4 | 10 |
Android 2.3.3 | 10 |
Android 2.3.2 | 9 |
Android 2.3.1 | 9 |
Android 2.3 | 9 |
Android 2.2.x | 8 |
Android 2.1.x | 7 |
Android 2.0.1 | 6 |
Android 2.0 | 5 |
Android 1.6 | 4 |
Android 1.5 | 3 |
Android 1.1 | 2 |
Android 1.0 | 1 |
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LayoutLib is too recent. Update your tool!
Eclipse Android Graphical layout resolving problem.
Eclipse Android Graphical layout resolving problem.
- Open in Eclipse menu Help ->Check for Updates
- Select updates:
- Press Next and update all
- Restart Eclipse
[caption id="attachment_596" align="alignleft" width="300" caption="Restart Eclipse if updates finished."]

break statement in Java Android basic example
MainClass.java
MainClass.java
public class MainClass {
public static void main(String[] arg) {
String[] arrayOfString = {"nothing", "Hello", "people"
, "bye-bye", "hello", "world!", "end" };
for (int i = 0; i < arrayOfString.length; i++) {
System.out.println(arrayOfString[i]);
if(i > 2)
break; // end of loop
}
}
}
/*
nothing
Hello
people
bye-bye
*/
Table of usability of mobile phones with Android – February 2012 - (application Sky Map)
1 | Samsung Galaxy S2 | 6.3% |
2 | HTC Desire HD | 3.5% |
3 | HTC Evo 4G | 3.4% |
4 | Samsung Galaxy Ace | 2.1% |
5 | Samsung Galaxy S (SCH-I500) | 2.1% |
6 | Samsung Galaxy S (GT-I9000) | 2.1% |
7 | HTC Incredible 2 | 2.0% |
8 | Motorola Droid X | 1.9% |
9 | Motorola Droid RAZR | 1.9% |
10 | HTC Sensation 4G | 1.7% |
Android development
long is 64 bit signed type and used when int is not large enough to hold the value.
long je celé číslo 64 bitů -9223372036854775808 +9223372036854775807 a používá se tam, kde typ int není schopen pojmout takovou hodnotu čísla.
long is 64 bit signed type and used when int is not large enough to hold the value.
long je celé číslo 64 bitů -9223372036854775808 +9223372036854775807 a používá se tam, kde typ int není schopen pojmout takovou hodnotu čísla.
// declaration and assignment of value type long
long n = 22337203685477580L;
// print formated value
System.out.printf("The value of x is %d%n", n); // 22337203685477580
System.out.format("%+,8d%n%n", n); // +22 337 203 685 477 580
// declaring more variables in single statement
long lo1 = 12L, lo2 = 56, lo3 = 1455555555589L;
// long range of value
System.out.println(Long.MAX_VALUE); // 9223372036854775807
System.out.println(Long.MIN_VALUE); // -9223372036854775808
// check if a string is a valid number in Java example
// convert string to long Java example
String sLong = "1288888888888888";
long longParse = Long.parseLong(sLong);
// convert strings to numbers
long longFromString = (Long.valueOf(sLong)).longValue();
// long to string in Java example code
Long longObj = new Long(229999999999L);
String str = longObj.toString();
// else
Long longS = 888888888888L;
String strLong = longS.toString();
// compare two long variables
Long longComp1 = 5555L;
if (longComp1.equals(55555555L))
System.out.print("true");
// compares the two specified long values in Java example
int i = longS.compareTo(444444L); // -1 first < second
// 0 first == second
// 1 first > second
System.out.print(i);
Editace: 2011-10-29 08:52:36
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Url:android-api-level-sdk-version-how-get-api-level-on-device-sample