实体类

public class ProcessInfo {

public String name;

public String packageName;

public Drawable icon;

public long memory;

public boolean isUser; //true表示用户进程

public boolean isChecked; //表示当前item是否被勾选

}

获取正在运行的进程列表

public ArrayList getRunningProcesses(Context context) {

ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

List runningAppProcesses = am

.getRunningAppProcesses();//获取运行中进程集合

PackageManager pm = context.getPackageManager();

ArrayList list = new ArrayList();

for (ActivityManager.RunningAppProcessInfo runningAppProcessInfo : runningAppProcesses) {

ProcessInfo info = new ProcessInfo();

String packageName = runningAppProcessInfo.processName; //包名

info.packageName = packageName;

int pid = runningAppProcessInfo.pid;

Debug.MemoryInfo[] processMemoryInfo = am.getProcessMemoryInfo(new int[]{pid});//根据pid返回内存信息

long memory = processMemoryInfo[0].getTotalPrivateDirty() * 1024; //获取当前进程占用内存大小

info.memory = memory;

try {

ApplicationInfo applicationInfo = pm.getApplicationInfo(packageName, 0);//根据包名获取相关应用的信息

String name = applicationInfo.loadLabel(pm).toString();

Drawable icon = applicationInfo.loadIcon(pm);

info.name = name;

info.icon = icon;

int flags = applicationInfo.flags;

if((flags & ApplicationInfo.FLAG_SYSTEM)==ApplicationInfo.FLAG_SYSTEM){

//系统进程

info.isUser = false;

}else{

//用户进程

info.isUser = true;

}

} catch (PackageManager.NameNotFoundException e) {

//某些系统进程没有名称和图标,会走此异常

info.name = packageName;

info.icon = context.getResources().getDrawable(R.drawable.system_default);

info.isUser = false;

e.printStackTrace();

}

list.add(info);

}

return list;

}