Example usage for android.content Context getApplicationContext

Introduction

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

Prototype

public abstract Context getApplicationContext();

Source Link

Document

Return the context of the single, global Application object of the current process.

Usage

From source file:Main.java

public static boolean isInstall(Context context, String packagename) {
    boolean isInstall = false;
    PackageInfo packageInfo;/*from  w  w  w  .ja  v a2 s  .co m*/

    try {
        packageInfo = context.getApplicationContext().getPackageManager().getPackageInfo(packagename, 0);

    } catch (NameNotFoundException e) {
        packageInfo = null;
        e.printStackTrace();
    }
    if (packageInfo == null) {
        isInstall = false;
    } else {
        isInstall = true;
    }
    return isInstall;
}

From source file:Main.java

/**
 * @return true is device is plugged at this moment, false otherwise.
 * @see #isPlugged(android.content.Intent)
 *///from   ww w  .j  a  v a2s  .c  o m
public static boolean isPlugged(@NonNull Context context) {
    IntentFilter intentFilter = new IntentFilter(Intent.ACTION_BATTERY_CHANGED);
    return isPlugged(context.getApplicationContext().registerReceiver(null, intentFilter));
}

From source file:Main.java

public static final boolean isKeyguardWidget(int appWidgetId, Context context) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context.getApplicationContext());

        return appWidgetManager.getAppWidgetOptions(appWidgetId).getInt(
                AppWidgetManager.OPTION_APPWIDGET_HOST_CATEGORY,
                -1) == AppWidgetProviderInfo.WIDGET_CATEGORY_KEYGUARD;
    }/* w ww  . j  a va2  s  .c  om*/

    return false;
}

From source file:Main.java

public static float getWidthDpi(Context context) {
    DisplayMetrics dm = null;/*from  w  w w  .  j a  v  a2s.  c o m*/
    try {
        if (context != null) {
            dm = new DisplayMetrics();
            dm = context.getApplicationContext().getResources().getDisplayMetrics();
        }

        return dm.densityDpi;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return 0;

}

From source file:Main.java

private static ConnectivityManager getConnectivityManager(Context context) {
    // use application context to avoid leaking any activity
    // https://code.google.com/p/android/issues/detail?id=198852
    return (ConnectivityManager) context.getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
}

From source file:Main.java

public static ApplicationInfo getApplicationInfo(Context context, String processName) {
    if (processName == null) {
        return null;
    }//w  w w  .  j ava2 s  . co m

    PackageManager packageManager = context.getApplicationContext().getPackageManager();
    List<ApplicationInfo> appList = packageManager
            .getInstalledApplications(PackageManager.GET_UNINSTALLED_PACKAGES);
    for (ApplicationInfo appInfo : appList) {
        if (processName.equals(appInfo.processName)) {
            return appInfo;
        }
    }
    return null;
}

From source file:Main.java

public static Typeface get(Context context, String font) {
    synchronized (sTypefaceCache) {
        if (!sTypefaceCache.containsKey(font)) {
            Typeface tf = Typeface.createFromAsset(context.getApplicationContext().getAssets(), font + ".ttf");
            sTypefaceCache.put(font, tf);
        }//from  www.j  av a 2  s  . co  m
        return sTypefaceCache.get(font);
    }
}

From source file:foodcenter.android.service.AndroidRequestUtils.java

/**
 * Helper method to get a SharedPreferences instance.
 */// w ww.jav a 2 s .  co  m
public static SharedPreferences getSharedPreferences(Context context) {
    return context.getApplicationContext().getSharedPreferences(SHARED_PREFS, 0);
}

From source file:edu.pdx.cecs.orcycle.SegmentData.java

public static SegmentData createSegment(Context c) {
    SegmentData t = new SegmentData(c.getApplicationContext(), 0);
    t.createSegmentInDatabase(c);//from w w  w.j  a  v a 2s .  co  m
    t.initializeData();
    return t;
}

From source file:Main.java

/**
 * @param context/*from w w w .j  a  v  a2 s .  co m*/
 * @return boolean
 * @throws
 * @Title: currentNetworkIsWifi
 * @Description: TODO
 */
public static boolean currentNetworkIsWifi(Context context) {
    if (checkPermission(context, "android.permission.ACCESS_WIFI_STATE"))
        ;
    Context contextApplication = context.getApplicationContext();
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (cm != null) {
        NetworkInfo[] info = cm.getAllNetworkInfo();
        if (info != null) {
            for (int i = 0; i < info.length; i++) {
                if (info[i].getTypeName().equals("WIFI") && info[i].isConnected())
                    return true;
            }
        }
    }
    return false;
}