Obtains information about all processes running by the system.

Obtains information about all processes running by the system.

Some tool classes written by myself

 

Public class TaskInfoUtils {/*** obtain information about all processes ** @ param pContext * @ return */public static List <TaskInfo> getTaskInfos (Context pContext) {// 1 obtain ActivityManager and PackageManager ActivityManager _ ActivityManager = (ActivityManager) pContext. getSystemService (pContext. ACTIVITY_SERVICE); PackageManager _ PackageManager = pContext. getPackageManager (); List <TaskInfo> _ TaskInfos = new ArrayList <TaskInfo> (); // 2 get the List of all processes running <RunningAppProcessInfo> _ RunningAppProcessInfos = _ ActivityManager. getRunningAppProcesses (); // 3 traverses the process and obtains its information for (Response handler: _ RunningAppProcessInfos) {TaskInfo _ TaskInfo = new TaskInfo (); MemoryInfo [] memoryInfos = _ ActivityManager. getProcessMemoryInfo (new int [] {runningAppProcessInfo. pid}); long _ MemSize = memoryInfos [0]. getTotalPrivateDirty () * 1024; // The memory consumed by the process String _ packageName = runningAppProcessInfo. processName; // process package ApplicationInfo _ ApplicationInfo; try {_ ApplicationInfo = _ PackageManager. getApplicationInfo (_ packageName, 0); Drawable _ Icon = _ ApplicationInfo. loadIcon (_ PackageManager); // program icon String _ Name = _ ApplicationInfo. loadLabel (_ PackageManager ). toString (); // program name_taskinfo. setIcon (_ Icon); _ TaskInfo. setMemsize (_ MemSize); _ TaskInfo. setName (_ Name); _ TaskInfo. setPackname (_ packageName); if (_ ApplicationInfo. flags & ApplicationInfo. FLAG_SYSTEM) = 0) {// user process _ TaskInfo. setUserTask (true);} else {// system process _ TaskInfo. setUserTask (false);} _ TaskInfos. add (_ TaskInfo);} catch (NameNotFoundException e) {// TODO Auto-generated catch block e. printStackTrace () ;}} return _ TaskInfos;} class TaskInfo {private Drawable icon; private String name; private long memsize; private boolean userTask; private String packname; public Drawable getIcon () {return icon;} public void setIcon (Drawable icon) {this. icon = icon;} public String getName () {return name;} public void setName (String name) {this. name = name;} public long getMemsize () {return memsize;} public void setMemsize (long memsize) {this. memsize = memsize;} public boolean isUserTask () {return userTask;} public void setUserTask (boolean userTask) {this. userTask = userTask;} public String getPackname () {return packname;} public void setPackname (String packname) {this. packname = packname ;}@ Override public String toString () {return "TaskInfo [name =" + name + ", memsize =" + memsize + ", userTask = "+ userTask +", packname = "+ packname +"] ";}}