Example usage for android.content Context ACTIVITY_SERVICE

Introduction

In this page you can find the example usage for android.content Context ACTIVITY_SERVICE.

Prototype

String ACTIVITY_SERVICE

To view the source code for android.content Context ACTIVITY_SERVICE.

Click Source Link

Document

Use with #getSystemService(String) to retrieve a android.app.ActivityManager for interacting with the global system state.

Usage

From source file:org.sickstache.helper.BannerCache.java

private BannerCache(Context c) {
    c = c.getApplicationContext();/*w w w. ja  v a  2s  .c  o m*/
    this.cacheDir = new File(c.getExternalCacheDir(), cacheFolder);
    if (this.cacheDir.exists() == false)
        this.cacheDir.mkdirs();
    int memClass = ((ActivityManager) c.getSystemService(Context.ACTIVITY_SERVICE)).getMemoryClass();
    // use half of the memory unless we have less then 32MB
    int cacheSize = memClass * 1024 * 1024 / 2;
    if (memClass < 32)
        cacheSize = memClass * 1024 * 1024 / 4;
    this.memCache = new LruCache<String, Bitmap>(cacheSize) {
        @Override
        protected int sizeOf(String key, Bitmap value) {
            return value.getRowBytes() * value.getHeight();
        }
    };
}

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From source file:org.videolan.vlc.util.BitmapCache.java

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
private BitmapCache() {

    // Get memory class of this device, exceeding this amount will throw an
    // OutOfMemory exception.
    final ActivityManager am = ((ActivityManager) VLCApplication.getAppContext()
            .getSystemService(Context.ACTIVITY_SERVICE));
    final int memClass = AndroidUtil.isHoneycombOrLater() ? am.getLargeMemoryClass() : am.getMemoryClass();

    // Use 1/5th of the available memory for this memory cache.
    final int cacheSize = 1024 * 1024 * memClass / 5;

    Log.d(TAG, "LRUCache size sets to " + cacheSize);

    mMemCache = new LruCache<String, Bitmap>(cacheSize) {

        @Override/*w w w. j av  a  2  s  .  co m*/
        protected int sizeOf(String key, Bitmap value) {
            return value.getRowBytes() * value.getHeight();
        }

    };
}

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From source file:Main.java

/**
 * Return <tt>true</tt> if the caller runs in a process dedicated to the Capptain service.<br/>
 * Return <tt>false</tt> otherwise, e.g. if it's the application process (even if the Capptain
 * service is running in it) or another process.<br/>
 * This method is useful when the <b>android:process</b> attribute has been set on the Capptain
 * service, if this method return <tt>true</tt>, application initialization must not be done in
 * that process. This method is used by {@link CapptainApplication}.
 * @param context the application context.
 * @return <tt>true</tt> if the caller is running in a process dedicated to the Capptain service,
 *         <tt>false</tt> otherwise.
 * @see CapptainApplication/*from w  w  w . j  av a  2  s  . c o  m*/
 */
public static boolean isInDedicatedCapptainProcess(Context context) {
    /* Get our package info */
    PackageInfo packageInfo;
    try {
        packageInfo = context.getPackageManager().getPackageInfo(context.getPackageName(),
                PackageManager.GET_SERVICES);
    } catch (Exception e) {
        /*
         * NameNotFoundException (uninstalling?) or in some rare scenario an undocumented
         * "RuntimeException: Package manager has died.", probably caused by a system app process
         * crash.
         */
        return false;
    }

    /* Get main process name */
    String mainProcess = packageInfo.applicationInfo.processName;

    /* Get embedded Capptain process name */
    String capptainProcess = null;
    if (packageInfo.services != null)
        for (ServiceInfo serviceInfo : packageInfo.services)
            if ("com.ubikod.capptain.android.service.CapptainService".equals(serviceInfo.name)) {
                capptainProcess = serviceInfo.processName;
                break;
            }

    /* If the embedded Capptain service runs on its own process */
    if (capptainProcess != null && !capptainProcess.equals(mainProcess)) {
        /* The result is to check if the current process is the capptain process */
        ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        for (RunningAppProcessInfo rapInfo : activityManager.getRunningAppProcesses())
            if (rapInfo.pid == Process.myPid())
                return rapInfo.processName.equals(capptainProcess);
    }

    /* Otherwise capptain is not running in a separate process (or not running at all) */
    return false;
}

---

From source file:fr.inria.ucn.collectors.AppDataUsageCollector.java

@Override
public void run(Context c, long ts) {
    try {//from   w  ww.  j  a v  a2  s  .  c  o m
        // data used per app
        JSONArray parray = new JSONArray();

        File f = new File(PROC_UID_STAT);
        if (f.exists() && f.isDirectory() && f.canRead()) {
            for (String dir : f.list()) {
                parray.put(getProcInfo(c, Integer.parseInt(dir)));
            }
        } else {
            ActivityManager am = (ActivityManager) c.getSystemService(Context.ACTIVITY_SERVICE);
            for (ActivityManager.RunningAppProcessInfo pinfo : am.getRunningAppProcesses()) {
                parray.put(getProcInfo(c, pinfo.uid));
            }
        }

        // done
        Helpers.sendResultObj(c, "app_data_usage", ts, new JSONObject().put("process_list", parray));

    } catch (JSONException jex) {
        Log.w(Constants.LOGTAG, "failed to create json object", jex);
    }
}

---

From source file:org.wahtod.wififixer.ui.MainActivity.java

private static void startwfService(Context context) {
    ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    boolean hasService = false;
    for (ActivityManager.RunningServiceInfo service : manager.getRunningServices(Integer.MAX_VALUE)) {
        if (WFMonitorService.class.getName().equals(service.service.getClassName())) {
            hasService = true;// ww  w. j  av a  2  s .c  o  m
        }
    }
    if (!hasService)
        context.startService(new Intent(context, WFMonitorService.class));
}

---

From source file:me.vijayjaybhay.galleryview.cache.MemoryImageCache.java

/**
 * Computes cache size/*from ww w .ja v a 2s  .c  o  m*/
 * @return maximum memory cache size
 */
private int getCacheSize() {
    ActivityManager am = (ActivityManager) mContext.getSystemService(Context.ACTIVITY_SERVICE);
    int memClassBytes = am.getMemoryClass() * 1024 * 1024;
    return memClassBytes / 8;
}

---

From source file:com.projecto.mapav2.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    try {//from   w  ww .jav  a  2  s  .c  o  m

        setContentView(R.layout.activity_main);

        mapa = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map)).getMap();

        if (mapa != null) {

            mapa.addMarker(new MarkerOptions().position(LOCATION_SURRREY).title("Find me here!"));

            mapa.setMyLocationEnabled(true);

            mapa.setTrafficEnabled(true);

            mapa.setMapType(GoogleMap.MAP_TYPE_HYBRID);
        }

        gps = GooglePlayServicesUtil.isGooglePlayServicesAvailable(context);

        GlEsVersion = ((ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE))
                .getDeviceConfigurationInfo().getGlEsVersion();

        try {
            versionCode = context.getPackageManager().getPackageInfo("com.android.vending", 0).versionCode;
            versionCode2 = context.getPackageManager().getPackageInfo("com.google.android.gms", 0).versionCode;
        } catch (NameNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        try {
            pm = context.getPackageManager().getApplicationInfo(context.getPackageName(),
                    PackageManager.GET_META_DATA).metaData.getString("com.google.android.maps.v2.API_KEY");
        } catch (NameNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        final ActivityManager activityManager = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
        final ConfigurationInfo configurationInfo = activityManager.getDeviceConfigurationInfo();
        supportsEs2 = configurationInfo.reqGlEsVersion >= 0x20000;

        Toast.makeText(MainActivity.this,
                "isGooglePlayServicesAvailable" + gps + "\n" + "GlEsVersion " + GlEsVersion + "\n"
                        + "versionCode Vending" + versionCode + "\nversionCode GMS " + versionCode2 + "\n"
                        + "getPackageManager " + pm + "\n" + "supportsEs2 " + supportsEs2 + "\n"
                        + "getVersionFromPackageManager " + getVersionFromPackageManager(this) + "\n",
                Toast.LENGTH_LONG).show();
    } catch (Exception e) {

        e.printStackTrace();
        Log.d(INPUT_SERVICE, e.toString());
    }

    int result = GooglePlayServicesUtil.isGooglePlayServicesAvailable(context);
    Log.e("Maps", "Result int value::" + result);
    switch (result) {
    case ConnectionResult.SUCCESS:
        Log.e("Maps", "RESULT:: SUCCESS");
        break;

    case ConnectionResult.DEVELOPER_ERROR:
        Log.e("Maps", "RESULT:: DE");
        break;

    case ConnectionResult.INTERNAL_ERROR:
        Log.e("Maps", "RESULT:: IE");
        break;

    case ConnectionResult.INVALID_ACCOUNT:
        Log.e("Maps", "RESULT:: IA");
        break;

    case ConnectionResult.NETWORK_ERROR:
        Log.e("Maps", "RESULT:: NE");
        break;

    case ConnectionResult.RESOLUTION_REQUIRED:
        Log.e("Maps", "RESULT:: RR");
        break;

    case ConnectionResult.SERVICE_DISABLED:
        Log.e("Maps", "RESULT:: SD");
        break;

    case ConnectionResult.SERVICE_INVALID:
        Log.e("Maps", "RESULT:: SI");
        break;

    case ConnectionResult.SERVICE_MISSING:
        Log.e("Maps", "RESULT:: SM");
        break;
    case ConnectionResult.SERVICE_VERSION_UPDATE_REQUIRED:
        Log.e("Maps", "RESULT:: SVUR");
        break;
    case ConnectionResult.SIGN_IN_REQUIRED:
        Log.e("Maps", "RESULT:: SIR");
        break;

    default:
        break;
    }
    mapa.setMapType(GoogleMap.MAP_TYPE_NORMAL);
    mapa.setMyLocationEnabled(true);
    Log.e("Maps", "------EOC-------");

}

---

From source file:io.github.mkjung.ivi.gui.helpers.BitmapCache.java

@TargetApi(Build.VERSION_CODES.HONEYCOMB)
private BitmapCache() {

    // Get memory class of this device, exceeding this amount will throw an
    // OutOfMemory exception.
    final ActivityManager am = ((ActivityManager) VLCApplication.getAppContext()
            .getSystemService(Context.ACTIVITY_SERVICE));
    final int memClass = AndroidUtil.isHoneycombOrLater() ? am.getLargeMemoryClass() : am.getMemoryClass();

    // Use 1/5th of the available memory for this memory cache.
    final int cacheSize = 1024 * 1024 * memClass / 5;

    Log.i(TAG, "LRUCache size set to " + cacheSize);

    mMemCache = new LruCache<String, CacheableBitmap>(cacheSize) {

        @Override/*from  ww  w.  ja va  2s  . c  om*/
        protected int sizeOf(String key, CacheableBitmap value) {
            return value.getSize();
        }
    };
}

---

From source file:eu.nerdz.app.messenger.GcmIntentService.java

public boolean isActivityOpen() {
    ActivityManager activityManager = (ActivityManager) this.getSystemService(Context.ACTIVITY_SERVICE);

    String name = activityManager.getRunningTasks(1).get(0).topActivity.getClassName();

    return ConversationActivity.class.getCanonicalName().equalsIgnoreCase(name)
            || ConversationsListActivity.class.getCanonicalName().equalsIgnoreCase(name);

}

---

From source file:fr.inria.ucn.collectors.SysStateCollector.java

/**
 * //w w  w .  ja  v a  2  s .c o  m
 * @param c
 * @param ts
 * @param change
 */
@SuppressLint("NewApi")
public void run(Context c, long ts, boolean change) {
    try {
        JSONObject data = new JSONObject();
        data.put("on_screen_state_change", change); // this collection run was triggered by screen state change

        data.put("hostname", Helpers.getSystemProperty("net.hostname", "unknown hostname"));
        data.put("current_timezone", Time.getCurrentTimezone());

        // general memory state
        ActivityManager am = (ActivityManager) c.getSystemService(Context.ACTIVITY_SERVICE);
        MemoryInfo mi = new MemoryInfo();
        am.getMemoryInfo(mi);

        JSONObject mem = new JSONObject();
        mem.put("available", mi.availMem);
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN) {
            mem.put("total", mi.totalMem);
        }
        mem.put("is_low", mi.lowMemory);
        data.put("memory", mem);

        // screen state
        PowerManager pm = (PowerManager) c.getSystemService(Context.POWER_SERVICE);
        data.put("screen_on", pm.isScreenOn());

        // battery state
        IntentFilter ifilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
        Intent battery = c.registerReceiver(null, ifilter);
        int level = battery.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
        int scale = battery.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
        float pct = (float) (100.0 * level) / scale;
        int status = battery.getIntExtra(BatteryManager.EXTRA_STATUS, -1);
        boolean isCharging = (status == BatteryManager.BATTERY_STATUS_CHARGING
                || status == BatteryManager.BATTERY_STATUS_FULL);
        int chargePlug = battery.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1);
        boolean usbCharge = chargePlug == BatteryManager.BATTERY_PLUGGED_USB;
        boolean acCharge = chargePlug == BatteryManager.BATTERY_PLUGGED_AC;

        JSONObject batt = new JSONObject();
        batt.put("level", level);
        batt.put("scale", scale);
        batt.put("pct", pct);
        batt.put("is_charging", isCharging);
        batt.put("usb_charge", usbCharge);
        batt.put("ac_charge", acCharge);
        data.put("battery", batt);

        // some proc stats
        data.put("cpu", getCpuStat());
        data.put("loadavg", getLoadStat());
        data.put("uptime", getUptimeStat());

        // audio state
        data.put("audio", getAudioState(c));

        // done
        Helpers.sendResultObj(c, "system_state", ts, data);

    } catch (JSONException jex) {
        Log.w(Constants.LOGTAG, "failed to create json object", jex);
    }
}

---

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