android.app.activitymanager Java Examples

/**
 * 判断某个界面是否在前台
 *
 * @param context
 * @param className 某个界面名称
 */
public static boolean isForeground(Context context, String className)
{
    if (context == null || TextUtils.isEmpty(className))
    {
        return false;
    }

    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.RunningTaskInfo> list = am.getRunningTasks(1);
    if (list != null && list.size() > 0)
    {
        ComponentName cpn = list.get(0).topActivity;
        if (className.equals(cpn.getClassName()))
        {
            return true;
        }
    }
    return false;
}
 

private Intent parseIntentAndUser() throws URISyntaxException {
    mTargetUser = UserHandle.USER_CURRENT;
    mBrief = false;
    mComponents = false;
    Intent intent = Intent.parseCommandArgs(this, new Intent.CommandOptionHandler() {
        @Override
        public boolean handleOption(String opt, ShellCommand cmd) {
            if ("--user".equals(opt)) {
                mTargetUser = UserHandle.parseUserArg(cmd.getNextArgRequired());
                return true;
            } else if ("--brief".equals(opt)) {
                mBrief = true;
                return true;
            } else if ("--components".equals(opt)) {
                mComponents = true;
                return true;
            }
            return false;
        }
    });
    mTargetUser = ActivityManager.handleIncomingUser(Binder.getCallingPid(),
            Binder.getCallingUid(), mTargetUser, false, false, null, null);
    return intent;
}
 

public VideoLoadAsync(Fragment fragment, ImageView imageView, boolean isScrolling, int width) {
	mImageView    = imageView;
	this.fragment = fragment;
	mWidth        = width;
	mIsScrolling  = isScrolling;

	final int memClass = ((ActivityManager) fragment.getActivity().getSystemService(Context.ACTIVITY_SERVICE))
			.getMemoryClass();
	final int size = 1024 * 1024 * memClass / 8;

	// Handle orientation change.
	GalleryRetainCache c = GalleryRetainCache.getOrCreateRetainableCache();
	mCache = c.mRetainedCache;

	if (mCache == null) {
		// The maximum bitmap pixels allowed in respective direction.
		// If exceeding, the cache will automatically scale the
		// bitmaps.
		/*	final int MAX_PIXELS_WIDTH  = 100;
		final int MAX_PIXELS_HEIGHT = 100;*/
		mCache = new GalleryCache(size, mWidth, mWidth);
		c.mRetainedCache = mCache;
	}
}
 

@Override
public List<Entry> getTasksFromRecents(boolean isIncognito) {
    Context context = ContextUtils.getApplicationContext();
    ActivityManager activityManager =
            (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

    List<Entry> entries = new ArrayList<Entry>();
    for (ActivityManager.AppTask task : activityManager.getAppTasks()) {
        Intent intent = DocumentUtils.getBaseIntentFromTask(task);
        if (!isValidActivity(isIncognito, intent)) continue;

        int tabId = getTabIdFromIntent(intent);
        if (tabId == Tab.INVALID_TAB_ID) continue;

        String initialUrl = getInitialUrlForDocument(intent);
        entries.add(new Entry(tabId, initialUrl));
    }
    return entries;
}
 

/**
 * Enables or disables the disk cache for the life of the application. This method cannot be
 * called more than once per lifetime of the app and should therefore be called only during
 * application startup; subsequent calls have no effect on the disk cache state.
 *
 * Note that when enabling Piccaso cache indicators, you may still find that some images appear
 * as though they've been loaded from disk. This will be true for any app-packaged drawable or
 * bitmap resource that's placed by Picasso. (These are always "from disk" with or without the
 * presence of a disk cache.) Similarly, it's possible to get green-tagged images when using
 * Picasso to "load" manually pre-loaded BitmapDrawables. 
 *
 * @param diskCacheEnabled
 */
public static void setConfiguration(Context context, boolean diskCacheEnabled, Integer cacheHeapPercent) {
    try {

        Picasso.Builder builder = new Picasso.Builder((ArcusApplication.getContext()));

        if (diskCacheEnabled) {
            builder.downloader(new OkHttp3Downloader(new OkHttpClient()));
        }

        if (cacheHeapPercent != null) {
            ActivityManager am = (ActivityManager) context.getSystemService(ACTIVITY_SERVICE);
            int memoryClass = am.getMemoryClass();

            int heapSize = (int) ((float)(1024 * 1024 * memoryClass) * ((float) cacheHeapPercent / 100.0));
            builder.memoryCache(new LruCache(heapSize));
            logger.debug("Setting Picasso in-memory LRU cache max size to {} bytes; {}% of heap sized {}", heapSize, cacheHeapPercent, 1024 * 1024 * memoryClass);
        }

        Picasso.setSingletonInstance(builder.build());

    } catch (IllegalStateException e) {
        logger.warn("Picasso setConfiguration() has already been called; ignoring request.");
    }
}
 

/**
 * Starts an {@link AlertDialog} prompt and if accepted will clear the app's data or just opens
 * the app's info menu if SDK < 19
 */
public static void promptUserToClearData(final Context ctx) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        new AlertDialog.Builder(ctx)
                .setTitle("Clear App Data")
                .setMessage("Do you really want to clear the whole app data? This cannot be undone.")
                .setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
                    @TargetApi(Build.VERSION_CODES.KITKAT)
                    public void onClick(DialogInterface dialog, int whichButton) {
                        ((ActivityManager) ctx.getSystemService(Context.ACTIVITY_SERVICE))
                                .clearApplicationUserData();
                    }
                })
                .setNegativeButton(android.R.string.no, null).show();
    } else {
        ctx.startActivity(getAppInfoIntent(ctx));
    }
}
 

/**
 * 程序是否在前台运行
 *
 * @param context
 * @return
 */
public static boolean isRunningForeground(Context context) {
    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    String curPackageName = context.getPackageName();
    List<ActivityManager.RunningAppProcessInfo> app = am.getRunningAppProcesses();
    if(app==null){
        return false;
    }
    for(ActivityManager.RunningAppProcessInfo a:app){
        if(a.processName.equals(curPackageName)&&
                a.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND){
            return true;
        }
    }
    return false;
}
 

public static boolean isMainProcess(Context context) {
    try {
        ActivityManager am = ((ActivityManager) context
                .getSystemService(Context.ACTIVITY_SERVICE));
        List<ActivityManager.RunningAppProcessInfo> processInfo = am.getRunningAppProcesses();
        String mainProcessName = context.getPackageName();
        int myPid = android.os.Process.myPid();
        for (ActivityManager.RunningAppProcessInfo info : processInfo) {
            if (info.pid == myPid && mainProcessName.equals(info.processName)) {
                return true;
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return false;
}
 

public static String getProcessName() {
    try {
        ActivityManager activityManager = (ActivityManager) AnalysysUtil.getContext().getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningAppProcessInfo> runningApps = null;
        if (activityManager != null) {
            runningApps = activityManager.getRunningAppProcesses();
        }
        if (runningApps == null) {
            return "";
        }
        String process = "";
        for (ActivityManager.RunningAppProcessInfo proInfo : runningApps) {
            if (proInfo.pid == android.os.Process.myPid()) {
                if (proInfo.processName != null) {
                    process = proInfo.processName;
                }
            }
        }
        return process;
    } catch (Throwable ignore) {
        ExceptionUtil.exceptionThrow(ignore);
        return "";
    }
}
 

public static boolean isActivityRunning(Context context, String className) {
    Intent intent = new Intent();
    intent.setClassName(context, className);
    ComponentName cmpName = intent.resolveActivity(context.getPackageManager());
    boolean flag = false;
    if (cmpName != null) {
        ActivityManager am = (ActivityManager) context.getSystemService(ACTIVITY_SERVICE);
        List<ActivityManager.RunningTaskInfo> taskInfoList =
            am.getRunningTasks(10);
        for (ActivityManager.RunningTaskInfo taskInfo : taskInfoList) {
            if (taskInfo.baseActivity.equals(cmpName)) {
                flag = true;
                break;
            }
        }
    }
    return flag;
}
 

/**
 *  判断进程是否存活
 */
public static boolean isProcessLive(@NonNull Context context, @NonNull String processName) {
    if (TextUtils.isEmpty(processName)) {
        return false;
    }
    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    if (am == null) {
        return false;
    }
    List<ActivityManager.RunningAppProcessInfo> list = am.getRunningAppProcesses();
    if (list == null) {
        return false;
    }
    for(ActivityManager.RunningAppProcessInfo info : list){
        if(processName.equals(info.processName)){
            return true;
        }
    }
    return false;
}
 

void removePowerSaveTempWhitelistAppChecked(String packageName, int userId)
        throws RemoteException {
    getContext().enforceCallingPermission(
            Manifest.permission.CHANGE_DEVICE_IDLE_TEMP_WHITELIST,
            "No permission to change device idle whitelist");
    final int callingUid = Binder.getCallingUid();
    userId = ActivityManager.getService().handleIncomingUser(
            Binder.getCallingPid(),
            callingUid,
            userId,
            /*allowAll=*/ false,
            /*requireFull=*/ false,
            "removePowerSaveTempWhitelistApp", null);
    final long token = Binder.clearCallingIdentity();
    try {
        removePowerSaveTempWhitelistAppInternal(packageName, userId);
    } finally {
        Binder.restoreCallingIdentity(token);
    }
}
 

private void applyTheme() {
    SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
    int customPrimaryColor = sharedPreferences.getInt(getString(R.string.pref_key_color_primary), -1);
    int customAccentColor = sharedPreferences.getInt(getString(R.string.pref_key_color_accent), -1);
    boolean isDarkTheme = sharedPreferences.getBoolean(getString(R.string.pref_key_dark_theme), false);
    getTheme().applyStyle(CustomColorHelper.getPrimaryColorTheme(this, customPrimaryColor), true);
    getTheme().applyStyle(CustomColorHelper.getAccentColorTheme(this, customAccentColor), true);
    if (isDarkTheme) {
        getTheme().applyStyle(R.style.DarkTheme, true);
    } else {
        getTheme().applyStyle(R.style.LightTheme, true);
    }

    // set recents app color to the primary color
    Bitmap bm = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher_round);
    ActivityManager.TaskDescription taskDesc = new ActivityManager.TaskDescription(getString(R.string.app_name), bm, customPrimaryColor);
    setTaskDescription(taskDesc);
}
 

RecentTasks(ActivityManagerService service, ActivityStackSupervisor stackSupervisor) {
    final File systemDir = Environment.getDataSystemDirectory();
    final Resources res = service.mContext.getResources();
    mService = service;
    mUserController = service.mUserController;
    mTaskPersister = new TaskPersister(systemDir, stackSupervisor, service, this);
    mGlobalMaxNumTasks = ActivityManager.getMaxRecentTasksStatic();
    mHasVisibleRecentTasks = res.getBoolean(com.android.internal.R.bool.config_hasRecents);
    loadParametersFromResources(res);
}
 

private void initGlSurfaceView() {
    mGLSurfaceView = new StarWarsTilesGLSurfaceView(getContext());
    mGLSurfaceView.setBackgroundColor(Color.TRANSPARENT);

    // Check if the system supports OpenGL ES 2.0.
    final ActivityManager activityManager = (ActivityManager) getContext().getSystemService(Context.ACTIVITY_SERVICE);
    final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo();
    final boolean supportsEs2 = configurationInfo.reqGlEsVersion >= 0x20000;

    if (supportsEs2) {
        // Request an OpenGL ES 2.0 compatible context.
        mGLSurfaceView.setEGLContextClientVersion(2);

        mRenderer = new StarWarsRenderer(mGLSurfaceView, this, mAnimationDuration, mNumberOfTilesX);
        mGLSurfaceView.setEGLConfigChooser(8, 8, 8, 8, 16, 0);
        mGLSurfaceView.getHolder().setFormat(PixelFormat.TRANSPARENT);
        mGLSurfaceView.setRenderer(mRenderer);
        mGLSurfaceView.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
        mGLSurfaceView.setZOrderOnTop(true);
    } else {
        throw new UnsupportedOperationException();
    }
}
 

public static void cleanMemory(Context context){
    System.out.println("---> 清理前可用内存:"+getAvailMemory(context)+"MB");
    ActivityManager activityManager=(ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);

    List<ActivityManager.RunningAppProcessInfo> processList = activityManager.getRunningAppProcesses();

    if (processList != null) {
        for (int i = 0; i < processList.size(); ++i) {
            RunningAppProcessInfo runningAppProcessInfo= processList.get(i);
            // 一般数值大于RunningAppProcessInfo.IMPORTANCE_SERVICE
            // 的进程即为长时间未使用进程或者空进程
            // 一般数值大于RunningAppProcessInfo.IMPORTANCE_VISIBLE
            // 的进程都是非可见进程,即在后台运行
            if (runningAppProcessInfo.importance > RunningAppProcessInfo.IMPORTANCE_VISIBLE) {
                String[] pkgList = runningAppProcessInfo.pkgList;
                for (int j = 0; j < pkgList.length; ++j) {
                    System.out.println("===> 正在清理:"+pkgList[j]);
                    activityManager.killBackgroundProcesses(pkgList[j]);
                }
            }

        }
    }
    System.out.println("---> 清理后可用内存:"+getAvailMemory(context)+"MB");
}
 

/**
 * Check if specified service is running or not
 * @param context
 * @param cls			name of service
 * @return	boolean		is running or not
 */
private static boolean isRunningService(Context context, Class<?> cls) {
	boolean isRunning = false;

	ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
	List<ActivityManager.RunningServiceInfo> info = activityManager.getRunningServices(Integer.MAX_VALUE);

	if (info != null) {
		for(ActivityManager.RunningServiceInfo serviceInfo : info) {
			ComponentName compName = serviceInfo.service;
			String className = compName.getClassName();

			if(className.equals(cls.getName())) {
				isRunning = true;
				break;
			}
		}
	}
	return isRunning;
}
 

private void applyTheme() {
    SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
    int customPrimaryColor = sharedPreferences.getInt(getString(R.string.pref_key_color_primary), -1);
    int customAccentColor = sharedPreferences.getInt(getString(R.string.pref_key_color_accent), -1);
    isDarkTheme = sharedPreferences.getBoolean(getString(R.string.pref_key_dark_theme), false);
    getTheme().applyStyle(CustomColorHelper.getPrimaryColorTheme(this, customPrimaryColor), true);
    getTheme().applyStyle(CustomColorHelper.getAccentColorTheme(this, customAccentColor), true);
    if (isDarkTheme) {
        getTheme().applyStyle(R.style.DarkTheme, true);
    } else {
        getTheme().applyStyle(R.style.LightTheme, true);
    }

    TypedValue typedValue = new TypedValue();
    getTheme().resolveAttribute(R.attr.colorPrimaryDark, typedValue, true);
    getWindow().setStatusBarColor(typedValue.data);

    // set recents app color to the primary color
    Bitmap bm = BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher_round);
    ActivityManager.TaskDescription taskDesc = new ActivityManager.TaskDescription(getString(R.string.app_name), bm, customPrimaryColor);
    setTaskDescription(taskDesc);
}
 

/**
 * check the application process name if process name is not qualified, then we think it is a service process and we will not init SDK
 * @param pID
 * @return
 */
private String getAppName(int pID) {
    String processName = null;
    ActivityManager am = (ActivityManager) appContext.getSystemService(Context.ACTIVITY_SERVICE);
    List l = am.getRunningAppProcesses();
    Iterator i = l.iterator();
    PackageManager pm = appContext.getPackageManager();
    while (i.hasNext()) {
        ActivityManager.RunningAppProcessInfo info = (ActivityManager.RunningAppProcessInfo) (i.next());
        try {
            if (info.pid == pID) {
                CharSequence c = pm.getApplicationLabel(pm.getApplicationInfo(info.processName, PackageManager.GET_META_DATA));
                // Log.d("Process", "Id: "+ info.pid +" ProcessName: "+
                // info.processName +"  Label: "+c.toString());
                // processName = c.toString();
                processName = info.processName;
                return processName;
            }
        } catch (Exception e) {
            // Log.d("Process", "Error>> :"+ e.toString());
        }
    }
    return processName;
}
 

/**
 * Return whether application is foreground.
 *
 * @return {@code true}: yes<br>{@code false}: no
 */
public static boolean isAppForeground(final Context context) {
    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    if (am == null) {
        return false;
    }
    List<ActivityManager.RunningAppProcessInfo> info = am.getRunningAppProcesses();
    if (info == null || info.size() <= 0) {
        return false;
    }
    for (ActivityManager.RunningAppProcessInfo aInfo : info) {
        if (aInfo.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
            if (aInfo.processName.equals(context.getPackageName())) {
                return true;
            }
        }
    }
    return false;
}
 

/**
 * watch for memory usage and heap size per seconds
 */
public void run() {
    mTimerTask = new TimerTask() {
        @Override
        public void run() {
            MemoryInfo memoryInfo = new MemoryInfo();
            ActivityManager activityManager = (ActivityManager) mContext.getSystemService(Activity.ACTIVITY_SERVICE);
            activityManager.getMemoryInfo(memoryInfo);
            Runtime runtime = Runtime.getRuntime();
            String msg = String.format("free:%s%% %sKB total:%sKB max:%sKB ", runtime.freeMemory() * 100f / runtime.totalMemory(),
                    runtime.freeMemory(), runtime.totalMemory() / 1024, runtime.maxMemory() / 1024);
            msg += String.format("native: free:%sKB total:%sKB max:%sKB", android.os.Debug.getNativeHeapFreeSize() / 1024,
                    android.os.Debug.getNativeHeapAllocatedSize() / 1024, android.os.Debug.getNativeHeapSize() / 1024);
            msg += String.format("| availMem:%sKB", memoryInfo.availMem / 1024);
            Log.d("memory", msg);
        }
    };
    mTimer = new Timer();
    mTimer.schedule(mTimerTask, 1000, 1000);
}
 

/**
 * This method will find which router service is running. Use that info to find out more about that app and service.
 * It will store the found service for later use and return the package name if found. 
 * @param pm An instance of a package manager. This is no longer used so null can be sent.
 * @return
 */
public ComponentName componentNameForServiceRunning(PackageManager pm){
	if(context==null){
		return null;
	}
	ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
	//PackageManager pm = context.getPackageManager();
	
	
	for (RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
		//Log.d(TAG, service.service.getClassName());
		//We will check to see if it contains this name, should be pretty specific
		if ((service.service.getClassName()).toLowerCase(Locale.US).contains(SdlBroadcastReceiver.SDL_ROUTER_SERVICE_CLASS_NAME)){ 
			//this.service = service.service; //This is great
			if(service.started && service.restarting==0){ //If this service has been started and is not crashed
				return service.service; //appPackageForComponenetName(service.service,pm);
			}
		}
	}			

	return null;
}
 

public void updateAllowState() {
    // We fail safe and prevent disabling keyguard in the unlikely event this gets
    // called before DevicePolicyManagerService has started.
    DevicePolicyManager dpm = (DevicePolicyManager) mContext.getSystemService(
            Context.DEVICE_POLICY_SERVICE);
    if (dpm != null) {
        try {
            mAllowDisableKeyguard = dpm.getPasswordQuality(null,
                    ActivityManager.getService().getCurrentUser().id)
                    == DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED ?
                            ALLOW_DISABLE_YES : ALLOW_DISABLE_NO;
        } catch (RemoteException re) {
            // Nothing much we can do
        }
    }
}
 

public boolean isAppOnForeground() {
    // Returns a list of application processes that are running on the
    // device
    String packageName = context.getPackageName();
    ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    List<RunningAppProcessInfo> appProcesses = activityManager.getRunningAppProcesses();
    if (appProcesses == null)
        return false;
    for (RunningAppProcessInfo appProcess : appProcesses) {
        // importance:
        // The relative importance level that the system places
        // on this process.
        // May be one of IMPORTANCE_FOREGROUND, IMPORTANCE_VISIBLE,
        // IMPORTANCE_SERVICE, IMPORTANCE_BACKGROUND, or IMPORTANCE_EMPTY.
        // These constants are numbered so that "more important" values are
        // always smaller than "less important" values.
        // processName:
        // The name of the process that this object is associated with.
        if (appProcess.processName.equals(packageName) && appProcess.importance == RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
            return true;
        }
    }
    return false;
}
 

/**
 * APP是否在运行中（前台或后台）
 * @param context
 * @return
 */
public static boolean appIsRunning(Context context) {
	ActivityManager am = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);
	if (am == null) {
		return false;
	}

	List<ActivityManager.RunningAppProcessInfo> appList = am.getRunningAppProcesses();
	if (appList == null) {
		return false;
	}

	for (ActivityManager.RunningAppProcessInfo appInfo : appList) {
		if (context.getPackageName().equals(appInfo.processName)) {
			return true;
		}
	}

	return false;
}
 

public List<ActivityManager.RunningAppProcessInfo> getRunningAppProcesses() {

        List<ActivityManager.RunningAppProcessInfo> apps = mTarget.getRunningAppProcesses();

        // TODO 临时加上捕获打出日志，这里有发现过crash
        try {
            String pluginPkg = Util.getCallingPulingPackage();

            if (pluginPkg != null) {
                int pid = android.os.Process.myPid();
                for (ActivityManager.RunningAppProcessInfo app : apps) {
                    if (app.pid == pid) {

                        // 在包名列表里加上插件的包名，小米的ROM在显示Toast之前，会获取RunningProcesses，遍历进程的pkgList，如果没有匹配到，
                        // 认为invisible to user，就不显示了。导致Toast不可用。
                        String[] pkgList = null;
                        String[] originalList = app.pkgList;
                        if (originalList != null) {
                            pkgList = new String[originalList.length + 1];
                            System.arraycopy(app.pkgList, 0, pkgList, 0, originalList.length);
                            pkgList[originalList.length] = pluginPkg;
                        }

                        app.processName = pluginPkg;
                        app.pkgList = pkgList;
                        break;
                    }
                }
            }
        } catch (Exception e) {
            if (DEBUG) {
                e.printStackTrace();
            }
        }

        return apps;
    }
 

/**
 * Returns true if this is a foreground service.
 *
 * @param context The {@link Context}.
 */
public boolean serviceIsRunningInForeground(Context context) {
    ActivityManager manager = (ActivityManager) context.getSystemService(
            Context.ACTIVITY_SERVICE);
    for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(
            Integer.MAX_VALUE)) {
        if (getClass().getName().equals(service.service.getClassName())) {
            if (service.foreground) {
                return true;
            }
        }
    }
    return false;
}
 

/**
        * Gets available memory to load image 
       */
public static float free(Context context) {
	ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
	int memoryClass = am.getMemoryClass() - 24;
	if (memoryClass < 1) memoryClass = 1;
	return (float) memoryClass;
}
 

public static boolean isMyServiceRunning(Context context, Class<?> serviceClass) {
    ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
        if (serviceClass.getName().equals(service.service.getClassName())) {
            return true;
        }
    }
    return false;
}
 

/**
 * {@inheritDoc}
 */
@SuppressWarnings("deprecation")
@Nullable
public String getRunningTasksTop(@NonNull Context context) {
    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.RunningTaskInfo> tasks = am.getRunningTasks(1);
    return tasks == null || tasks.isEmpty() ? null : tasks.get(0).topActivity.getPackageName();
}