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:ru.gkpromtech.exhibition.db.DbHelper.java

public static DbHelper getInstance(Context context) {
    if (mInstance == null)
        mInstance = new DbHelper(context.getApplicationContext());
    return mInstance;
}

From source file:com.example.mediastock.util.Utilities.java

/**
 * Method to delete all the files within the directory typeDir, where type can be music, image or video
 *
 * @param type    the directory type: music, video or image
 * @param context the context//  w  w  w.j av  a 2  s .co m
 */
public static void deleteAllMediaFromInternalStorage(String type, Context context) {
    ContextWrapper cw = new ContextWrapper(context.getApplicationContext());
    File dir = cw.getDir(type + "Dir", Context.MODE_PRIVATE);

    final File[] fileNames = dir.listFiles();

    if (fileNames.length > 0) {
        for (File file : fileNames)
            file.delete();
    }
}

From source file:Main.java

public static void ShowNetworkSettings(final Context ctx) {
    new AlertDialog.Builder(ctx).setTitle("Nessuna connessione ad internet")
            .setMessage("Vuoi aprire le impostazioni di rete?")
            .setPositiveButton("SI", new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int which) {
                    // continue
                    ctx.getApplicationContext()
                            .startActivity(new Intent(android.provider.Settings.ACTION_DATA_ROAMING_SETTINGS));
                }/*from   w  w w  .  j a  v  a2  s  .  c om*/
            }).setNegativeButton("NO", new DialogInterface.OnClickListener() {
                public void onClick(DialogInterface dialog, int which) {
                    // do nothing
                }
            }).show();
}

From source file:com.example.mediastock.util.Utilities.java

/**
 * Checks if the device is connected to the Internet
 *
 * @return true if connected, false otherwise
 *///  w w w. j av  a 2s.  c  om
public static boolean deviceOnline(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getApplicationContext()
            .getSystemService(Context.CONNECTIVITY_SERVICE);

    return cm.getActiveNetworkInfo() != null && cm.getActiveNetworkInfo().isConnectedOrConnecting();
}

From source file:ir.keloud.android.lib.common.accounts.AccountUtils.java

public static void saveClient(KeloudClient client, Account savedAccount, Context context) {

    // Account Manager
    AccountManager ac = AccountManager.get(context.getApplicationContext());

    if (client != null) {
        String cookiesString = client.getCookiesString();
        if (cookiesString != "") {
            ac.setUserData(savedAccount, Constants.KEY_COOKIES, cookiesString);
            // Log_OC.d(TAG, "Saving Cookies: "+ cookiesString );
        }//from   ww  w  .j a va2s.c o m
    }

}

From source file:com.owncloud.android.lib.common.accounts.AccountUtils.java

public static void saveClient(OwnCloudClient client, Account savedAccount, Context context) {

    // Account Manager
    AccountManager ac = AccountManager.get(context.getApplicationContext());

    if (client != null) {
        String cookiesString = client.getCookiesString();
        if (cookiesString != "") {
            ac.setUserData(savedAccount, Constants.KEY_COOKIES, cookiesString);
            // Log_OC.d(TAG, "Saving Cookies: "+ cookiesString );
        }/*from  w  ww.jav  a 2  s .c om*/
    }

}

From source file:com.example.mediastock.util.Utilities.java

/**
 * Method to delete a media file within the typeDir directory. The directory is stored into the internal storage.
 *
 * @param type    the directory type: music, video or image
 * @param context the context/*from  w  w  w.ja  va  2 s .  co m*/
 * @param path    the path of the media file
 * @return true, if the file was deleted, false otherwise
 */
public static boolean deleteSpecificMediaFromInternalStorage(String type, Context context, String path) {
    ContextWrapper cw = new ContextWrapper(context.getApplicationContext());
    File dir = cw.getDir(type + "Dir", Context.MODE_PRIVATE);

    final File[] fileNames = dir.listFiles();

    boolean result = false;
    for (File file : fileNames) {
        if (file.getName().equals(path))
            result = file.delete();
    }

    return result;
}

From source file:com.example.mediastock.util.Utilities.java

/**
 * It loads an image from the storage//from w w  w  . j av a 2  s . c o  m
 * @param context the context
 * @param path    the path of the image
 * @return the file containing the blob image
 */
public static File loadImageFromInternalStorage(Context context, String path) {
    ContextWrapper cw = new ContextWrapper(context.getApplicationContext());
    File imageDir = cw.getDir("imageDir", Context.MODE_PRIVATE);

    final File[] fileNames = imageDir.listFiles();

    File target = null;
    for (File file : fileNames) {
        if (file.getName().equals(path))
            target = file;
    }

    return target;
}

From source file:Main.java

/**
 * Create a backup of the database./*ww w . j a v a 2  s . c  o  m*/
 *
 * @param context who calls the function.
 * @param dbName  Name of the database to backup. (If empty, radiomap.db is used).
 */
public static void exportDb(Context context, String dbName) {
    try {
        if (dbName.equals(""))
            dbName = "radiomap.db";

        File sd = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
        File data = Environment.getDataDirectory();

        if (sd.canWrite()) {
            String currentDBPath = "//data//" + context.getApplicationContext().getPackageName()
                    + "//databases//" + dbName;
            File currentDB = new File(data, currentDBPath);
            File backupDB = new File(sd, dbName);

            FileChannel src = new FileInputStream(currentDB).getChannel();
            FileChannel dst = new FileOutputStream(backupDB).getChannel();
            dst.transferFrom(src, 0, src.size());
            src.close();
            dst.close();

            Toast.makeText(context, "Datenbank nach Downloads exportiert!", Toast.LENGTH_LONG).show();
        }
    } catch (Exception e) {
        Log.e("Utils", e.getMessage());
        Toast.makeText(context, "Exportieren fehlgeschlagen!", Toast.LENGTH_LONG).show();
    }
}

From source file:Main.java

/**
 * Create a backup of the database./*from  ww  w  .  j a  v a2 s.c om*/
 *
 * @param context who calls the function.
 * @param dbName  Name of the database to backup. (If empty, radiomap.db is used).
 */
public static void importDb(Context context, String dbName) {
    try {
        if (dbName.equals(""))
            dbName = "radiomap.db";

        File sd = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
        File data = Environment.getDataDirectory();

        if (sd.canWrite()) {
            String currentDBPath = "//data//" + context.getApplicationContext().getPackageName()
                    + "//databases//" + dbName;
            File backupDB = new File(data, currentDBPath);
            File currentDB = new File(sd, dbName);

            FileChannel src = new FileInputStream(currentDB).getChannel();
            FileChannel dst = new FileOutputStream(backupDB).getChannel();
            dst.transferFrom(src, 0, src.size());
            src.close();
            dst.close();

            Toast.makeText(context, "Datenbank von Downloads importiert!", Toast.LENGTH_LONG).show();
        }
    } catch (Exception e) {
        Log.e("Utils", e.getMessage());
        Toast.makeText(context, "Import fehlgeschlagen!", Toast.LENGTH_LONG).show();
    }
}