Example usage for android.os Debug getMemoryInfo

Introduction

In this page you can find the example usage for android.os Debug getMemoryInfo.

Prototype

public static native void getMemoryInfo(MemoryInfo memoryInfo);

Source Link

Document

Retrieves information about this processes memory usages.

Usage

From source file:Main.java

public static double getCurrentUsedMemory() {
    Debug.MemoryInfo memoryInfo = new Debug.MemoryInfo();
    Debug.getMemoryInfo(memoryInfo);

    return memoryInfo.nativePss;
}

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From source file:org.chromium.base.PerfTraceEvent.java

/**
 * Save a perf trace event as a JSON dict.  The format mirrors a TraceEvent dict.
 *
 * @param name The trace data/* ww w .  j a  v  a 2 s .  co  m*/
 * @param id The id of the event
 * @param type the type of trace event (I, S, F)
 * @param includeMemory Whether to include current browser process memory usage in the trace.
 */
private static void savePerfString(String name, long id, EventType type, boolean includeMemory) {
    long timestampUs = (System.nanoTime() - sBeginNanoTime) / 1000;
    MemoryInfo memInfo = null;
    if (includeMemory) {
        memInfo = new MemoryInfo();
        Debug.getMemoryInfo(memInfo);
    }
    savePerfString(name, id, type, timestampUs, memInfo);
}

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From source file:com.oakesville.mythling.util.HttpHelper.java

private byte[] extractResponseBytes(InputStream is, long requestStartTime) throws IOException {
    BufferedInputStream bis = null;
    BufferedReader br = null;/*from ww  w  . j  a  v  a  2 s .  co m*/

    try {
        ByteArrayBuffer baf = new ByteArrayBuffer(1024);
        bis = new BufferedInputStream(is);
        int b = 0;
        while ((b = bis.read()) != -1)
            baf.append((byte) b);
        long requestEndTime = System.currentTimeMillis();
        byte[] bytes = baf.toByteArray();
        if (BuildConfig.DEBUG) {
            Log.d(TAG, " -> (" + url + ") http request time: " + (requestEndTime - requestStartTime) + " ms");
            // how much memory are we using
            Debug.MemoryInfo memoryInfo = new Debug.MemoryInfo();
            Debug.getMemoryInfo(memoryInfo);
            Log.d(TAG, " -> response byte array size: " + bytes.length / 1024 + " kb (Pss = "
                    + memoryInfo.getTotalPss() + " kb)");
        }
        if (!binary) {
            // detect character set
            UniversalDetector detector = new UniversalDetector(null);
            detector.handleData(bytes, 0, bytes.length);
            detector.dataEnd();
            String detected = detector.getDetectedCharset();
            if (BuildConfig.DEBUG)
                Log.d(TAG, " -> charset: " + detected + " - detect time: "
                        + (System.currentTimeMillis() - requestEndTime) + " ms");
            if (detected != null && !detected.equals(charset)) {
                try {
                    Charset.forName(detected);
                    charset = detected;
                } catch (UnsupportedCharsetException ex) {
                    // not supported -- stick with UTF-8
                }
            }
        }

        return bytes;

    } finally {
        try {
            if (bis != null)
                bis.close();
            if (br != null)
                br.close();
        } catch (IOException ex) {
            Log.e(TAG, ex.getMessage(), ex);
        }
    }
}

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