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 int getCameraPhotoOrientation(Context context, Uri imageUri, String imagePath) {
    int rotate = 0;
    try {//from w  w w.j  ava2  s.co m
        context.getContentResolver().notifyChange(imageUri, null);
        File imageFile = new File(imagePath);

        ExifInterface exif = new ExifInterface(imageFile.getAbsolutePath());
        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;
        }

    } catch (Exception e) {
        e.printStackTrace();
    }
    return rotate;
}

From source file:Main.java

public static String getRealPathFromURI(Context context, long album_id) {
    Cursor cursor = null;/*from  www  . j ava 2 s.c  om*/
    try {
        cursor = context.getContentResolver().query(MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI,
                new String[] { MediaStore.Audio.Albums.ALBUM_ART }, MediaStore.Audio.Albums._ID + "=?",
                new String[] { String.valueOf(album_id) }, null);
        int column_index = cursor.getColumnIndexOrThrow(MediaStore.Audio.Albums.ALBUM_ART);
        cursor.moveToFirst();
        return cursor.getString(column_index);
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}

From source file:Main.java

public static Bitmap getThumbnail(Uri uri, Context context) throws FileNotFoundException, IOException {
    InputStream input = context.getContentResolver().openInputStream(uri);

    BitmapFactory.Options onlyBoundsOptions = new BitmapFactory.Options();
    onlyBoundsOptions.inJustDecodeBounds = true;
    onlyBoundsOptions.inDither = true;//optional
    onlyBoundsOptions.inPreferredConfig = Bitmap.Config.ARGB_8888;//optional
    BitmapFactory.decodeStream(input, null, onlyBoundsOptions);
    input.close();//from w w  w.  j av  a  2s  .  c om
    if ((onlyBoundsOptions.outWidth == -1) || (onlyBoundsOptions.outHeight == -1))
        return null;

    int originalSize = (onlyBoundsOptions.outHeight > onlyBoundsOptions.outWidth) ? onlyBoundsOptions.outHeight
            : onlyBoundsOptions.outWidth;

    double ratio = (originalSize > THUMBNAIL_SIZE) ? (originalSize / THUMBNAIL_SIZE) : 1.0;

    BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();
    bitmapOptions.inSampleSize = getPowerOfTwoForSampleRatio(ratio);
    bitmapOptions.inDither = true;//optional
    bitmapOptions.inPreferredConfig = Bitmap.Config.ARGB_8888;//optional
    input = context.getContentResolver().openInputStream(uri);
    Bitmap bitmap = BitmapFactory.decodeStream(input, null, bitmapOptions);
    input.close();
    return bitmap;
}

From source file:Main.java

public static int getRotationFromUri(Context context, Uri imageUri) {
    String[] orientationColumn = { MediaStore.Images.Media.ORIENTATION };
    Cursor cur = context.getContentResolver().query(imageUri, orientationColumn, null, null, null);
    int orientation = -1;
    if (cur != null && cur.moveToFirst()) {
        orientation = cur.getInt(cur.getColumnIndex(orientationColumn[0]));
    }// ww  w .  ja v  a2  s .  c  o  m

    return orientation;
}

From source file:Main.java

@SuppressWarnings("deprecation")
public static int getAirplaneModeState(Context context) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
        return Settings.System.getInt(context.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0);
    } else {/*from   w  ww. j a v a 2s.  c o  m*/
        return Settings.Global.getInt(context.getContentResolver(), Settings.Global.AIRPLANE_MODE_ON, 0);
    }
}

From source file:Main.java

public static float getScreenBrightness(Context mContext) {
    int screenBrightness = 255;
    try {//from  ww w  .  ja va 2 s  .  co m
        screenBrightness = Settings.System.getInt(mContext.getContentResolver(),
                Settings.System.SCREEN_BRIGHTNESS);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return screenBrightness / 255.0F * 100;
}

From source file:Main.java

/**
 * Gets an unique device Id depending on the sdk version
 *
 * @param context/*from  w  ww . ja va2 s .c  o m*/
 * @return
 */
public static String getUniqueDeviceId(Context context) {
    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.FROYO) {
        return Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
    } else {
        final TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        return tm.getDeviceId();
    }
}

From source file:Main.java

public static String get(Context context, String key) {
    String temp = null;//from  w  w w .ja v a 2 s . c  om
    Cursor cur = null;
    try {
        cur = context.getContentResolver().query(CONTENT_URI, null, "key='" + key + "'", null, null);
        if (null != cur && cur.moveToFirst())
            temp = cur.getString(1);

    } catch (Exception e) {
        Log.e("AspShareUtil", "Error while get", e);
    } finally {
        if (cur != null)
            cur.close();
    }
    return temp;
}

From source file:de.uniluebeck.itm.coapserver.Utils.java

/**
 * Returns a unique device id, which is stable across restarts
 * @param context/*from   w w  w  .j av  a 2  s.  co  m*/
 * @return
 */
public static String deviceId(Context context) {
    return Secure.getString(context.getContentResolver(), Secure.ANDROID_ID);
}

From source file:Main.java

static InputStream openContentInputStream(Context context, Uri uri) {
    try {// w  w  w.j  a v a 2 s. com
        return context.getContentResolver().openInputStream(uri);
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }
    return null;
}