Example usage for java.text DecimalFormat setMaximumFractionDigits

List of usage examples for java.text DecimalFormat setMaximumFractionDigits

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Introduction

In this page you can find the example usage for java.text DecimalFormat setMaximumFractionDigits.

Prototype

@Override
public void setMaximumFractionDigits(int newValue)

Source Link

Document

Sets the maximum number of digits allowed in the fraction portion of a number.

Usage

From source file:com.zoffcc.applications.zanavi.Navit.java

public static String logHeap_for_batch(Class clazz) {
    try {//ww  w.j  a  v a 2s.c  o m
        Double allocated = Double.valueOf(Debug.getNativeHeapAllocatedSize()) / Double.valueOf((1048576));
        Double sum_size = Double.valueOf(Debug.getNativeHeapSize() / Double.valueOf(1048576.0));
        Double free = Double.valueOf(Debug.getNativeHeapFreeSize() / Double.valueOf(1048576.0));
        DecimalFormat df = new DecimalFormat();
        df.setMaximumFractionDigits(2);
        df.setMinimumFractionDigits(2);

        // Log.d("Navit", "MemMem:DEBUG: =================================");
        Log.d("Navit",
                "MemMem:DEBUG:heap native: allc " + df.format(allocated) + "MB sum=" + df.format(sum_size)
                        + "MB (" + df.format(free) + "MB free) in ["
                        + clazz.getName().replaceAll("com.zoffcc.applications.zanavi.", "") + "]");
        Log.d("Navit",
                "MemMem:DEBUG:java memory: allc: "
                        + df.format(Double.valueOf(Runtime.getRuntime().totalMemory() / 1048576)) + "MB sum="
                        + df.format(Double.valueOf(Runtime.getRuntime().maxMemory() / 1048576)) + "MB ("
                        + df.format(Double.valueOf(Runtime.getRuntime().freeMemory() / 1048576)) + "MB free)");

        // calcAvailableMemory();

        String mem_type = "NATIVE";
        try {
            if (android.os.Build.VERSION.SDK_INT >= 11) {
                mem_type = "JAVA";
            }
        } catch (Exception e) {
        }
        // return ("" + df.format(allocated) + "/" + df.format(sum_size) + "(" + df.format(free) + ")" + ":" + df.format(Double.valueOf(Runtime.getRuntime().totalMemory() / 1048576)) + "/" + df.format(Double.valueOf(Runtime.getRuntime().maxMemory() / 1048576)) + "(" + df.format(Double.valueOf(Runtime.getRuntime().freeMemory() / 1048576)) + ") " + mem_type);
        return ("==MEM==:" + "J:" + (Double.valueOf(Runtime.getRuntime().totalMemory() / 1048576)) + ":"
                + (Double.valueOf(Runtime.getRuntime().maxMemory() / 1048576)) + ",N:" + allocated + ":"
                + sum_size);
    } catch (Exception e2) {
        return ("==MEM==:ERROR");
    }
}