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apply plugin: 'com.android.application' | |
apply plugin: 'com.neenbedankt.android-apt' | |
apply plugin: 'me.tatarka.retrolambda' | |
android { | |
compileSdkVersion rootProject.androidCompileSdkVersion | |
buildToolsVersion rootProject.androidBuildToolsVersion | |
defaultConfig { | |
minSdkVersion rootProject.androidMinSdkVersion |
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public class HexUtils { | |
private static final char[] HEX_CHARS = "0123456789ABCDEF".toCharArray(); | |
private static final String HEX = "0123456789ABCDEF"; | |
/** | |
* Convert byte array to hexadecimal string | |
* @param data Input array | |
* @return hexadecimal string | |
*/ |
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private val HEX_CHARS = "0123456789ABCDEF".toCharArray() | |
fun ByteArray.toHex() : String{ | |
val result = StringBuffer() | |
forEach { | |
val octet = it.toInt() | |
val firstIndex = (octet and 0xF0).ushr(4) | |
val secondIndex = octet and 0x0F | |
result.append(HEX_CHARS[firstIndex]) |
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final int x; | |
final int y = 1; |
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int w; | |
int z = 2; | |
z = 3; | |
w = 1; |
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final String name = null | |
String lastName | |
lastName = null |
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// Java | |
if(text != null){ | |
int length = text.length(); | |
} |
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// Java | |
String name = "John"; | |
String lastName = "Smith"; | |
String text = "My name is: " + name + " " + lastName; | |
String otherText = "My name is: " + name.substring(2); |
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// Java | |
String text = "First Line\n" + | |
"Second Line\n" + | |
"Third Line"; |
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// Java | |
String text = x > 5 ? "x > 5" : "x <= 5" |
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