Example usage for android.content Context getContentResolver

Introduction

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

Prototype

public abstract ContentResolver getContentResolver();

Source Link

Document

Return a ContentResolver instance for your application's package.

Usage

From source file:Main.java

public static String getPath(Context context, Uri uri) throws URISyntaxException {
    if ("content".equalsIgnoreCase(uri.getScheme())) {
        String[] projection = { "_data" };
        Cursor cursor = null;//from   w  ww .  j  a  va 2 s . c om

        try {
            cursor = context.getContentResolver().query(uri, projection, null, null, null);
            int column_index = cursor.getColumnIndexOrThrow("_data");
            if (cursor.moveToFirst()) {
                return cursor.getString(column_index);
            }
        } catch (Exception e) {
            // Eat it
        }
    } else if ("file".equalsIgnoreCase(uri.getScheme())) {
        return uri.getPath();
    }

    return null;
}

From source file:com.lemi.mario.download.utils.Proxy.java

/**
 * Return the proxy host set by the user.
 * //www  . j  a  v a  2 s  .  c  o  m
 * @param ctx A Context used to get the settings for the proxy host.
 * @return String containing the host name. If the user did not set a host
 *         name it returns the default host. A null value means that no
 *         host is to be used.
 */
static final public String getHost(Context ctx) {
    ContentResolver contentResolver = ctx.getContentResolver();
    Assert.assertNotNull(contentResolver);
    String host = Settings.Secure.getString(contentResolver, Settings.Secure.HTTP_PROXY);
    if (host != null) {
        int i = host.indexOf(':');
        if (i == -1) {
            if (DEBUG) {
                Assert.assertTrue(host.length() == 0);
            }
            return null;
        }
        return host.substring(0, i);
    }
    return getDefaultHost();
}

From source file:com.example.facebook_photo.Utility.java

public static int getOrientation(Context context, Uri photoUri) {
    /* it's on the external media. */
    Cursor cursor = context.getContentResolver().query(photoUri,
            new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);

    if (cursor.getCount() != 1) {
        return -1;
    }/*from   w  w  w. j a v  a2 s  .c o  m*/

    cursor.moveToFirst();
    int orientation = cursor.getInt(0);
    cursor.close();

    return orientation;
}

From source file:Main.java

public static Cursor query(Context context, Uri uri, String[] projection, String selection,
        String[] selectionArgs, String sortOrder, int limit) {
    try {/*  w w  w  .j  a  v a 2  s . co m*/
        ContentResolver resolver = context.getContentResolver();
        if (resolver == null) {
            return null;
        }
        if (limit > 0) {
            uri = uri.buildUpon().appendQueryParameter("limit", "" + limit).build();
        }
        return resolver.query(uri, projection, selection, selectionArgs, sortOrder);
    } catch (UnsupportedOperationException ex) {
        return null;
    }

}

From source file:Main.java

/**
 * Returns a BitmapFactory.Options object containing the size of the image at the given URI,
 * without actually loading the image./*from   w  ww . ja  va 2  s  .co m*/
 */
public static BitmapFactory.Options computeBitmapSizeFromURI(Context context, Uri imageURI)
        throws FileNotFoundException {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    Bitmap bitmap = BitmapFactory.decodeStream(context.getContentResolver().openInputStream(imageURI), null,
            options);
    if (bitmap != null) {
        bitmap.recycle();
    }
    return options;
}

From source file:Main.java

public static boolean isOnlyGpsLocationModeEnabled(Context context) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        int locationMode;

        try {/*from w ww  .  j  a  v a 2  s .  c  om*/
            locationMode = Settings.Secure.getInt(context.getContentResolver(), Settings.Secure.LOCATION_MODE);

        } catch (Settings.SettingNotFoundException e) {
            return false;
        }

        // GPS must be enabled
        return Settings.Secure.LOCATION_MODE_SENSORS_ONLY == locationMode
                || Settings.Secure.LOCATION_MODE_HIGH_ACCURACY == locationMode;

    } else {
        String locationProviders = Settings.Secure.getString(context.getContentResolver(),
                Settings.Secure.LOCATION_PROVIDERS_ALLOWED);

        if (TextUtils.isEmpty(locationProviders)) {
            return false;
        }

        String[] providers = locationProviders.split(",");

        for (String provider : providers) {
            // GPS must be enabled
            if (provider.equals(LocationManager.GPS_PROVIDER)) {
                return true;
            }
        }

        return false;
    }
}

From source file:com.lemi.mario.download.utils.Proxy.java

/**
 * Return the proxy port set by the user.
 * // w ww .  jav  a 2 s . com
 * @param ctx A Context used to get the settings for the proxy port.
 * @return The port number to use or -1 if no proxy is to be used.
 */
static final public int getPort(Context ctx) {
    ContentResolver contentResolver = ctx.getContentResolver();
    Assert.assertNotNull(contentResolver);
    String host = Settings.Secure.getString(contentResolver, Settings.Secure.HTTP_PROXY);
    if (host != null) {
        int i = host.indexOf(':');
        if (i == -1) {
            if (DEBUG) {
                Assert.assertTrue(host.length() == 0);
            }
            return -1;
        }
        if (DEBUG) {
            Assert.assertTrue(i < host.length());
        }
        return Integer.parseInt(host.substring(i + 1));
    }
    return getDefaultPort();
}

From source file:ee.ria.DigiDoc.util.FileUtils.java

public static File cacheUriAsDataFile(Context context, Uri uri) {
    String fileName = resolveFileName(uri, context.getContentResolver());
    return cacheUriAsDataFile(context, uri, fileName);
}

From source file:ee.ria.DigiDoc.util.FileUtils.java

public static File uriAsContainerFile(Context context, Uri uri) {
    String fileName = resolveFileName(uri, context.getContentResolver());
    return uriAsContainerFile(context, uri, fileName);
}

From source file:Main.java

public static InputStream openStreamForUri(Context context, Uri uri) throws IOException {
    switch (uri.getScheme()) {
    case ContentResolver.SCHEME_CONTENT:
    case ContentResolver.SCHEME_ANDROID_RESOURCE:
        try {/*from ww w  .j a va  2s.c  o  m*/
            return context.getContentResolver().openInputStream(uri);
        } catch (RuntimeException ignore) {
        }
    case "file":
    case "http":
    case "https":
        return new URL(uri.toString()).openStream();
    }

    throw new IOException("Unable to open " + uri.toString());
}