get running task , process and service
public class MyActivityManager extends ExpandableListActivity {
private static final String NAME = "NAME";
private static final String NO_USED = "NO_USED";
private String[] groups = { "showRecentTask", "showRunningTasks",
"showRunningAppProcesses", "showRunningServices" };
private ExpandableListAdapter mAdapter; ActivityManager mAm;
PackageManager mPM; @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mAm = (ActivityManager) this.getSystemService(Context.ACTIVITY_SERVICE);
mPM = this.getPackageManager(); List<Map<String, String>> groupData = new ArrayList<Map<String, String>>();
List<List<Map<String, String>>> childData = new ArrayList<List<Map<String, String>>>(); for (int i = 0; i < groups.length; i++) {
if (i == 0) {
showRecentTask();
} else if (i == 1) {
showRunningTasks();
} else if (i == 2) {
showRunningAppProcesses();
} else {
showRunningServices();
} Map<String, String> curGroupMap = new HashMap<String, String>();
groupData.add(curGroupMap);
curGroupMap.put(NAME, groups[i] + "(" + strChildren.size() + ")");
curGroupMap.put(NO_USED, ""); List<Map<String, String>> children = new ArrayList<Map<String, String>>();
for (int j = 0; j < strChildren.size(); j++) {
Map<String, String> curChildMap = new HashMap<String, String>();
children.add(curChildMap);
curChildMap.put(NAME, strChildren.get(j));
curChildMap.put(NO_USED, "");
}
childData.add(children);
} // Set up our adapter
mAdapter = new SimpleExpandableListAdapter(this, groupData,
android.R.layout.simple_expandable_list_item_1, new String[] {
NAME, NO_USED }, new int[] { android.R.id.text1,
android.R.id.text2 }, childData,
android.R.layout.simple_list_item_1, new String[] { NAME,
NO_USED }, new int[] { android.R.id.text1,
android.R.id.text2 });
setListAdapter(mAdapter);
} public List<String> strChildren = new ArrayList<String>(); // 最近开的task,HOME键长按会看到这个
public void showRecentTask() {
List<RecentTaskInfo> taskList = mAm.getRecentTasks(100, 0);
strChildren.clear();
for (RecentTaskInfo rti : taskList) {
ResolveInfo ri = mPM.resolveActivity(rti.baseIntent, 0);
if (ri != null) {
Log.e("showRecentTask", "" + ri.loadLabel(mPM));
strChildren.add(ri.loadLabel(mPM).toString());
}
}
} // 运行中的任务
public void showRunningTasks() {
List<RunningTaskInfo> taskList = mAm.getRunningTasks(100);
strChildren.clear();
for (RunningTaskInfo rti : taskList) {
Log.e("showRunningTasks", "Running task, numActivities="
+ rti.numActivities);
Log.e("showRunningTasks", ", description=" + rti.description);
Log.e("showRunningTasks",
", baseActivity=" + rti.baseActivity.getClassName());
Log.e("showRunningTasks",
", topActivity=" + rti.topActivity.getClassName());
strChildren.add(rti.baseActivity.getClassName());
}
} // 运行中的作为app容器的process。
public void showRunningAppProcesses() {
List<RunningAppProcessInfo> processList = mAm.getRunningAppProcesses();
strChildren.clear();
for (RunningAppProcessInfo rapi : processList) {
Log.e("showRunningAppProcesses", "" + rapi.processName);
strChildren.add(rapi.processName);
}
} // 运行中的后台服务
public void showRunningServices() {
List<RunningServiceInfo> rsiList = mAm.getRunningServices(100);
strChildren.clear();
for (RunningServiceInfo rsi : rsiList) {
Log.e("showRunningServices", "" + rsi.process);
strChildren.add(rsi.process);
}
}
}
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