Example usage for java.lang Float parseFloat

Introduction

In this page you can find the example usage for java.lang Float parseFloat.

Prototype

public static float parseFloat(String s) throws NumberFormatException

Source Link

Document

Returns a new float initialized to the value represented by the specified String , as performed by the valueOf method of class Float .

Usage

From source file:Main.java

public static float getFloatAttribute(Node node, String name, float defVal) {
    String att = getAttribute(node, name);
    if (att == null)
        return defVal;
    return Float.parseFloat(att);
}

From source file:Main.java

public static float toFloat(String value) {
    if (TextUtils.isEmpty(value))
        return 0.0f;
    try {//from w ww  .ja v  a 2  s. co m
        float val = Float.parseFloat(value);
        return val;
    } catch (NumberFormatException ex) {
        return 0.0f;
    }
}

From source file:Main.java

public static Float testNumber(String aArg) {
    while (true) {
        if (aArg.length() == 0) {
            return null;
        }/*from   ww w. ja v a 2 s  .  c  om*/
        if (aArg.matches("-?\\d+(\\.\\d+)?") == true) {
            break;
        } else {
            throw new IllegalArgumentException("not a number");
        }
    }
    return Float.parseFloat(aArg);
}

From source file:Main.java

/**
 * Parses a float./*from ww  w  . j a  v  a  2 s  .c  o m*/
 * If null or not a float, the default is returned.
 *
 * @param s a string
 * @param defaultValue the default
 * @return the parsed result
 */
public static float parseFloat(String s, float defaultValue) {
    if (s == null)
        return defaultValue;
    try {
        return Float.parseFloat(s);
    } catch (NumberFormatException e) {
        return defaultValue;
    }
}

From source file:Main.java

public static float convertStringToFloat(String s) {
    try {/* w  ww.j a  v  a  2s. com*/
        return Float.parseFloat(s);
    } catch (Exception e) {
        return 0;
    }
}

From source file:Main.java

/**
 *  Gets the String value as float.//  www  .j  av  a 2  s .  com
 */
public final static float getStringAsFloat(String value) {
    return value == null ? -1 : Float.parseFloat(value);
}

From source file:Main.java

public static float bracketFloat(String str, float floor, float ceiling) throws NumberFormatException {
    float val = 0f;
    try {//from w w  w.  j  a v  a  2 s. c  o  m
        val = Float.parseFloat(str);
    } catch (NumberFormatException e) {
        e.printStackTrace();
    }
    val = bracketFloat(val, floor, ceiling);
    return val;
}

From source file:Main.java

/**
 * /*w ww  .  ja v a  2s .  c  om*/
 * @param object
 * @return
 */
protected static Float toFloat(Object object) {
    String str = toString(object);
    if ("".equals(str))
        return 0.0f;
    else
        return Float.parseFloat(str);
}

From source file:Main.java

public static float getDescendentTextAsFloat(Node node, String name, float defaultValue) throws IOException {
    Node d = getDescendent(node, name);
    if (d != null) {
        String sval = d.getTextContent().trim();
        return Float.parseFloat(sval);
    }// w w  w.  j a va2s.  c om
    return defaultValue;
}

From source file:Main.java

public static Boolean isEnoughtBattery(Context context) {
    SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context);
    Float acceptableBatteryLevel = Float.parseFloat(pref.getString("pref_battery_level", "40.0f"));
    Float batteryLevel = getBatteryLevel(context);

    return (batteryLevel >= acceptableBatteryLevel || isCharging(context));
}