Example usage for android.content Context getContentResolver

List of usage examples for android.content Context getContentResolver

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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 int getLastImageId(Context context) {
    final String[] imageColumns = { Images.Media._ID };
    final String imageOrderBy = Images.Media._ID + " DESC";
    Cursor cursor = context.getContentResolver().query(Images.Media.EXTERNAL_CONTENT_URI, imageColumns, null,
            null, imageOrderBy);//from ww  w . j  a  va 2s  .  co  m
    if (cursor == null)
        return 0;
    int id = 0;
    if (cursor.moveToFirst()) {
        id = cursor.getInt(cursor.getColumnIndex(Images.Media._ID));
    }
    cursor.close();
    return id;
}

From source file:altermarkive.uploader.Report.java

public static String id(Context context) {
    return Secure.getString(context.getContentResolver(), Secure.ANDROID_ID);
}

From source file:Main.java

public static Matrix rotateImage(Context context, Uri imageUri, File f) {
    Matrix matrix = new Matrix();
    try {//from w w w. j a va2 s.com
        if (imageUri != null) {
            context.getContentResolver().notifyChange(imageUri, null);
        }
        ExifInterface exif = new ExifInterface(f.getAbsolutePath());
        int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);

        switch (orientation) {
        case ExifInterface.ORIENTATION_ROTATE_270:
            matrix.postRotate(270);
            break;
        case ExifInterface.ORIENTATION_ROTATE_180:
            matrix.postRotate(180);
            break;
        case ExifInterface.ORIENTATION_ROTATE_90:
            matrix.postRotate(90);
            break;
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return matrix;
}

From source file:Main.java

private static byte[] getBytesFromDriveVideoUri(Context context, Uri uri) {
    InputStream inputStream = null;
    try {/*from  w w  w . j a  va  2 s . c o  m*/
        inputStream = context.getContentResolver().openInputStream(uri);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }

    if (inputStream == null) {
        return null;
    }

    int maxBufferSize = 1024 * 1024;
    int available = 0;
    try {
        available = inputStream.available();
    } catch (IOException e) {
        e.printStackTrace();
    }
    if (available == 0) {
        available = maxBufferSize;
    }

    int bufferSize = Math.min(available, maxBufferSize);

    byte[] data = new byte[bufferSize];
    ByteArrayOutputStream buffer = new ByteArrayOutputStream();
    int nRead;

    try {
        while ((nRead = inputStream.read(data, 0, data.length)) != -1) {
            buffer.write(data, 0, nRead);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    try {
        buffer.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return buffer.toByteArray();
}

From source file:Main.java

/**
 * @param context The {@link Context} to use.
 * @param name The name of the new playlist.
 * @return A new playlist ID./*ww w  .ja  v  a  2s  . c o m*/
 */
public static final long createPlaylist(final Context context, final String name) {
    if (name != null && name.length() > 0) {
        final ContentResolver resolver = context.getContentResolver();
        final String[] projection = new String[] { PlaylistsColumns.NAME };
        final String selection = PlaylistsColumns.NAME + " = '" + name + "'";
        Cursor cursor = resolver.query(MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, projection, selection,
                null, null);
        if (cursor.getCount() <= 0) {
            final ContentValues values = new ContentValues(1);
            values.put(PlaylistsColumns.NAME, name);
            final Uri uri = resolver.insert(MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, values);
            return Long.parseLong(uri.getLastPathSegment());
        }
        if (cursor != null) {
            cursor.close();
            cursor = null;
        }
        return -1;
    }
    return -1;
}

From source file:Main.java

public static final boolean checkImageAndSize(Context context, Uri uri, long bytes) {
    if (uri == null)
        return false;

    try {/*from w w  w  .  ja v  a 2  s .c  o m*/
        InputStream is = context.getContentResolver().openInputStream(uri);
        BitmapFactory.Options imageOptions = new BitmapFactory.Options();
        imageOptions.inJustDecodeBounds = true;
        BitmapFactory.decodeStream(is, null, imageOptions);
        //android.util.Log.d("test77", "Original Image Size: " + imageOptions.outWidth + " x " + imageOptions.outHeight);
        is.close();
        if (imageOptions.outWidth <= 0 || imageOptions.outHeight <= 0) {
            return false;
        }
        is = context.getContentResolver().openInputStream(uri);
        long fileSizeCounter = 0;
        long size;
        byte[] buf = new byte[8192];
        while ((size = is.read(buf, 0, buf.length)) != -1) {
            //android.util.Log.d("test77", "size="+size);
            fileSizeCounter += size;
        }
        is.close();
        if (fileSizeCounter > bytes) {
            return false;
        }
        return true;
    } catch (Exception ex) {
        ex.printStackTrace();
        return false;
    }
}

From source file:Main.java

public static int getOrientation(Context context, Uri photoUri, File file) {
    /* it's on the external media. */
    Cursor cursor = context.getContentResolver().query(photoUri,
            new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);
    if (cursor != null && cursor.getCount() != 1) {
        cursor.moveToFirst();/*from  w  w w  . j a  v  a  2 s.c  om*/
        return cursor.getInt(0);
    }

    int rotate = 0;
    ExifInterface exif = null;

    try {
        exif = new ExifInterface(file == null ? getPath(context, photoUri) : file.getAbsolutePath());
    } catch (IOException e) {
        e.printStackTrace();
    }
    int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);

    switch (orientation) {
    case ExifInterface.ORIENTATION_ROTATE_270:
        rotate = 270;
        break;
    case ExifInterface.ORIENTATION_ROTATE_180:
        rotate = 180;
        break;
    case ExifInterface.ORIENTATION_ROTATE_90:
        rotate = 90;
        break;
    case ExifInterface.ORIENTATION_NORMAL:
        rotate = 0;
        break;
    }
    return rotate;
}

From source file:com.frostwire.android.MediaScanner.java

private static long getSize(Context context, Uri uri) {
    Cursor c = null;//from  w w w. j av  a  2 s .  co m
    try {
        c = context.getContentResolver().query(uri, new String[] { "_size" }, null, null, null);

        if (c != null && c.moveToFirst()) {
            return c.getLong(0);
        }
    } catch (Throwable e) {
        LOG.error("Error getting file size for uri: " + uri, e);
    } finally {
        IOUtils.closeQuietly(c);
    }

    return 0;
}

From source file:Main.java

public static byte[] getPersonPhoto(Context context, String id) {
    if (id == null)
        return null;
    byte photo[] = null;

    Cursor cursor = context.getContentResolver().query(Uri.withAppendedPath(Contacts.Photos.CONTENT_URI, id),
            new String[] { PhotosColumns.DATA }, null, null, null);
    if (cursor != null) {
        try {/*  www. ja  va  2  s .  c om*/
            if (cursor.getCount() > 0) {
                cursor.moveToFirst();
                photo = cursor.getBlob(0);
                if (photo != null) {
                    return photo;
                    // Log.v("Found photo for person: " + id);
                    // bitmap = BitmapFactory.decodeStream(new
                    // ByteArrayInputStream(photo));
                }
            }
        } finally {
            cursor.close();
        }
    }
    return photo;
}

From source file:Main.java

public static boolean hasPermission(Context context, String permissionType) {
    Uri uri = Uri.parse("content://com.google.atap.tango.PermissionStatusProvider/" + permissionType);
    Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
    if (cursor == null) {
        return false;
    } else {/*from  w  w w . ja  va 2s  .c o m*/
        return true;
    }
}