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

/**
 * Returns The ID for a playlist./*from w  ww. jav  a2 s .c  om*/
 *
 * @param context The {@link Context} to use.
 * @param name The name of the playlist.
 * @return The ID for a playlist.
 */
public static final long getIdForPlaylist(final Context context, final String name) {
    Cursor cursor = context.getContentResolver().query(MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI,
            new String[] { BaseColumns._ID }, PlaylistsColumns.NAME + "=?", new String[] { name },
            PlaylistsColumns.NAME);
    int id = -1;
    if (cursor != null) {
        cursor.moveToFirst();
        if (!cursor.isAfterLast()) {
            id = cursor.getInt(0);
        }
        cursor.close();
        cursor = null;
    }
    return id;
}

From source file:Main.java

public static Bitmap getBitmapFromUri(Context context, Uri uri) throws FileNotFoundException {
    final InputStream imageStream = context.getContentResolver().openInputStream(uri);
    try {/*from   ww  w.  j  a v a 2s. c o  m*/
        return BitmapFactory.decodeStream(imageStream);
    } finally {
        Closeables.closeQuietly(imageStream);
    }
}

From source file:Main.java

private static Set<Integer> getAllAvailableProtocolVersions(Context context) {
    ContentResolver contentResolver = context.getContentResolver();
    Set<Integer> allAvailableVersions = new HashSet<Integer>();
    Uri uri = Uri.parse("content://appsneva.facebook.orca.provider.MessengerPlatformProvider/versions");
    String[] projection = new String[] { "version" };
    Cursor c = contentResolver.query(uri, projection, null, null, null);
    if (c != null) {
        try {//  w ww .ja  v  a  2  s .c  om
            int versionColumnIndex = c.getColumnIndex("version");
            while (c.moveToNext()) {
                int version = c.getInt(versionColumnIndex);
                allAvailableVersions.add(version);
            }
        } finally {
            c.close();
        }
    }
    return allAvailableVersions;
}

From source file:Main.java

public static String getUniqueIdentifier(Context context) {
    if (mUniqueIdentifier.isEmpty())
        mUniqueIdentifier = Secure.getString(context.getContentResolver(), Secure.ANDROID_ID);

    return mUniqueIdentifier;
}

From source file:Main.java

private static Set<Integer> getAllAvailableProtocolVersions(Context context) {
    ContentResolver contentResolver = context.getContentResolver();
    Set<Integer> allAvailableVersions = new HashSet<Integer>();
    Uri uri = Uri.parse("content://com.facebook.orca.provider.MessengerPlatformProvider/versions");
    String[] projection = new String[] { "version" };
    Cursor c = contentResolver.query(uri, projection, null, null, null);
    if (c != null) {
        try {/*w ww. jav  a2 s . c om*/
            int versionColumnIndex = c.getColumnIndex("version");
            while (c.moveToNext()) {
                int version = c.getInt(versionColumnIndex);
                allAvailableVersions.add(version);
            }
        } finally {
            c.close();
        }
    }
    return allAvailableVersions;
}

From source file:Main.java

/**
 * Helper method to open a content URI and returns the ParcelFileDescriptor.
 *
 * @param context {@link Context} in interest.
 * @param uriString the content URI to open.
 * @return ParcelFileDescriptor of the content URI, or NULL if the file does not exist.
 *//*from  w ww .java  2s.c o m*/
private static ParcelFileDescriptor getParcelFileDescriptor(Context context, String uriString) {
    ContentResolver resolver = context.getContentResolver();
    Uri uri = Uri.parse(uriString);

    ParcelFileDescriptor pfd = null;
    try {
        pfd = resolver.openFileDescriptor(uri, "r");
    } catch (FileNotFoundException e) {
        Log.w(TAG, "Cannot find content uri: " + uriString, e);
    } catch (SecurityException e) {
        Log.w(TAG, "Cannot open content uri: " + uriString, e);
    } catch (IllegalArgumentException e) {
        Log.w(TAG, "Unknown content uri: " + uriString, e);
    } catch (IllegalStateException e) {
        Log.w(TAG, "Unknown content uri: " + uriString, e);
    }
    return pfd;
}

From source file:Main.java

private static String getFileName(Context context, Uri uri) {
    Log.d("suka", uri.getScheme() + " : " + context.getContentResolver().getType(uri));
    String result = null;/*from   www .j ava2s.com*/
    if (uri.getScheme().equals("content")) {
        Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
        try {
            if (cursor != null && cursor.moveToFirst()) {
                result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
            }
        } finally {
            cursor.close();
        }
    }
    if (result == null) {
        Log.d("suka", "res " + uri.getPath());
        result = uri.getPath();
        int cut = result.lastIndexOf('/');
        if (cut != -1) {
            result = result.substring(cut + 1);
        }
    }
    return result;
}

From source file:Main.java

public static int getOrientation(Context context, Uri bitmapUri) {
    Cursor cursor = context.getContentResolver().query(bitmapUri,
            new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);

    if (cursor == null || cursor.getCount() != 1) {
        return -1;
    }//w  w w . j  a v  a  2s .c om

    cursor.moveToFirst();
    return cursor.getInt(0);
}

From source file:Main.java

public static Bitmap getBitmapFromUri(@NonNull Context context, @NonNull Uri uri) throws IOException {
    InputStream stream = context.getContentResolver().openInputStream(uri);
    Bitmap rawImage = BitmapFactory.decodeStream(stream);

    try {//from   w  w  w  .j  a v  a  2 s .c  o  m
        stream.close();
    } catch (NullPointerException e) {
        e.printStackTrace();
    }

    return rawImage;
}

From source file:Main.java

/**
 * Reads the data from the {@code column} of the content's {@code queryUri} and returns it as an
 * Array.// ww  w .  ja v a2 s .  c o  m
 */
static private Set<String> getColumnContentAsArray(Context context, Uri queryUri, String column) {
    Cursor cursor = context.getContentResolver().query(queryUri, new String[] { column }, null, null, null);
    Set<String> columnValues = new HashSet<>();
    try {
        if (cursor != null && cursor.moveToFirst()) {
            do {
                columnValues.add(cursor.getString(0));
            } while (cursor.moveToNext());
        }
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
    return columnValues;
}