android系統進程手機記憶體工具類

標籤：android   記憶體   進程   

public class TaskUtils {/** * 擷取正在啟動並執行進程的個數 *  * @param context * @return */public static int getRunningProcessCount(Context context) {// 得到系統的工作管理員.ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);return am.getRunningAppProcesses().size();}/** * 擷取手機的可用記憶體 *  * @param context * @return long類型資料 總的可用記憶體 */public static long getAvailRam(Context context) {ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);ActivityManager.MemoryInfo outInfo = new MemoryInfo();am.getMemoryInfo(outInfo);return outInfo.availMem;}/** * 擷取手機的總記憶體 *  * @return */public static long getTotalRam() {try {File file = new File("/proc/meminfo");FileInputStream fis = new FileInputStream(file);BufferedReader br = new BufferedReader(new InputStreamReader(fis));// MemTotal: 253604 kBString result = br.readLine();StringBuffer sb = new StringBuffer();char[] chars = result.toCharArray();for (char c : chars) {if (c >= '0' && c <= '9') {sb.append(c);}}return Long.parseLong(sb.toString()) * 1024;} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();return 0;}}}

android系統進程手機記憶體工具類