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 isNetConnect(@NonNull Context context) {
    ConnectivityManager service = (ConnectivityManager) context.getApplicationContext()
            .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo info = service.getActiveNetworkInfo();

    return info != null && info.isAvailable();
}

From source file:Main.java

public static boolean isOnline(Context context) {
    ConnectivityManager connectivityManager = (ConnectivityManager) context.getApplicationContext()
            .getSystemService(Context.CONNECTIVITY_SERVICE);
    NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
    return networkInfo != null && networkInfo.isAvailable() && networkInfo.isConnected();
}

From source file:Main.java

public static boolean CheckNet(Context context) {
    ConnectivityManager manager = (ConnectivityManager) context.getApplicationContext()
            .getSystemService(Context.CONNECTIVITY_SERVICE);
    if (manager == null) {
        return false;
    }/*from  www  .  j a  v a  2s .co m*/
    NetworkInfo networkinfo = manager.getActiveNetworkInfo();
    if (networkinfo == null || !networkinfo.isAvailable()) {
        return false;
    }
    return true;
}

From source file:Main.java

public static int dip2px(Context cx, float spValue) {
    DisplayMetrics dm = new DisplayMetrics();
    dm = cx.getApplicationContext().getResources().getDisplayMetrics();
    return (int) (spValue * dm.density + 0.5f);
}

From source file:Main.java

public static int sp2px(Context cx, float spValue) {
    DisplayMetrics dm = new DisplayMetrics();
    dm = cx.getApplicationContext().getResources().getDisplayMetrics();
    return (int) (spValue * dm.scaledDensity + 0.5f);
}

From source file:Main.java

public static Boolean isNetworkConnected(Context context) {
    ConnectivityManager manager = (ConnectivityManager) context.getApplicationContext()
            .getSystemService(Context.CONNECTIVITY_SERVICE);
    if (manager == null) {
        return false;
    }//  w ww . j ava  2  s.  c o  m
    NetworkInfo networkinfo = manager.getActiveNetworkInfo();
    if (networkinfo == null || !networkinfo.isAvailable()) {
        return false;
    }
    return true;
}

From source file:Main.java

public static int getAppVersionCode(Context context) {
    try {// w  w w  .java 2s .co m
        PackageInfo packageInfo = context.getApplicationContext().getPackageManager()
                .getPackageInfo(context.getPackageName(), 0);
        return packageInfo.versionCode;
    } catch (PackageManager.NameNotFoundException e) {
        e.printStackTrace();
    }
    return 1;
}

From source file:Main.java

public static File getOutputMediaFile(int type, Context c) {
    File mediaStorageDir = new File(c.getApplicationContext().getExternalFilesDir(null).getAbsolutePath());
    if (!mediaStorageDir.exists()) {
        if (!mediaStorageDir.mkdirs()) {
            Log.d("MyCameraApp", "failed to create directory");
            return null;
        }//from  w  ww .  java2s . c o  m
    }

    // Create a media file name
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
    File mediaFile;
    if (type == MEDIA_TYPE_IMAGE) {
        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_" + timeStamp + ".jpg");
    } else if (type == MEDIA_TYPE_AUDIO) {
        mediaFile = new File(mediaStorageDir.getPath() + File.separator + "VID_" + timeStamp + ".3gp");
    } else {
        return null;
    }

    return mediaFile;
}

From source file:Main.java

public static int getVersionCode(Context cx) {
    int versionCode = -1;
    try {//ww w  .  j av a2  s  . com
        versionCode = cx.getApplicationContext().getPackageManager().getPackageInfo(cx.getPackageName(),
                0).versionCode;
    } catch (NameNotFoundException e) {
        // TODO Auto-generated catch block
    }

    return versionCode;
}

From source file:Main.java

public static boolean hasNetwork(Context context) {
    ConnectivityManager manager = (ConnectivityManager) context.getApplicationContext()
            .getSystemService(Context.CONNECTIVITY_SERVICE);
    if (manager == null) {
        return false;
    }//from   w w  w. j a v  a  2  s  .c  o  m
    NetworkInfo networkinfo = manager.getActiveNetworkInfo();
    if (networkinfo == null || !networkinfo.isAvailable()) {
        return false;
    }
    return true;

}