안드로이드 / 자바 - 형 변환

[TextView to Double]
TextView  xDoubleA = Double.parseDouble(xViewA.getText());

** xViewA 값은 무조건 숫자형식이여야함. 아닌경우 Exception이 발생.

[int to String]

String str = Integer.toString(i);String str = "" + i;

[String to Int]
int i = Integer.parseInt(str);int i = Integer.valueOf(str).intValue();

[Double to String]
String str = Double.toString(d);

[Long to String]
String str = Long.toString(l);

[Float to String]

String str = Float.toString(f);

[String to Double]
double d = Double.valueOf(str).doubleValue();

[String to Long]
long l = Long.valueOf(str).longValue();long l = Long.parseLong(str);

[String to Float]
float f = Float.valueOf(str).floatValue();

[Decimal to Binary]
String binstr = Integer.toBinaryString(i);

[Decimal to Hexadecimal]
String hexstr = Integer.toString(i, 16);String hexstr = Integer.toHexString(i);Integer.toHexString( 0x10000 | i).substring(1).toUpperCase());
hexadecimal(String) to int 
int i = Integer.valueOf("B8DA3", 16).intValue();int i = Integer.parseInt("B8DA3", 16);

[ASCII Code to String]
String char = new Character((char)i).toString();

[Integer to ASCII Code]
int i = (int) c;

[Integer to Boolean]

boolean b = (i != 0);

[Boolean to Integer]
int i = (b)? 1 : 0;

[Boolean to string]
       boolean theValue = true;
        //boolean to String conversion
        String theValueAsString = new Boolean(theValue).toString();
        System.out.println(theValueAsString);