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

/**
 * Decodifica ottimizzata per la memoria dei bitmap
 * //from  w  ww.  j  a  va  2s .com
 * @param uri
 *            URI bitmap
 * @param reqWidth
 *            Larghezza richiesta
 * @param reqHeight
 *            Altezza richiesta
 * @return
 * @throws FileNotFoundException
 */
public static Bitmap decodeSampledFromUri(Context mContext, Uri uri, int reqWidth, int reqHeight)
        throws FileNotFoundException {

    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeStream(mContext.getContentResolver().openInputStream(uri), null, options);

    // Setting decode options
    options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);
    options.inJustDecodeBounds = false;

    // Bitmap is now decoded for real using calculated inSampleSize
    Bitmap bmp = BitmapFactory.decodeStream(mContext.getContentResolver().openInputStream(uri), null, options);
    return bmp;
}

From source file:Main.java

private static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {
    Cursor cursor = null;/*from   www.j av a  2 s.  co m*/
    final String column = MediaStore.Images.Media.DATA;
    final String[] projection = { column };
    try {
        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {
            final int column_index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(column_index);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

From source file:Main.java

/**
 * get app imei/* w  w w.  j a v a  2s  .  c  o m*/
 * @param context
 * @return
 */
@TargetApi(Build.VERSION_CODES.CUPCAKE)
public static String getDeviceIMEI(Context context) {
    String deviceId;
    if (isPhone(context)) {
        TelephonyManager telephony = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
        deviceId = telephony.getDeviceId();
    } else {
        deviceId = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);

    }
    return deviceId;
}

From source file:Main.java

public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

    Cursor cursor = null;//  w ww . j ava 2  s .  com
    final String column = "_data";
    final String[] projection = { column };

    try {
        cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
        if (cursor != null && cursor.moveToFirst()) {

            final int column_index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(column_index);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

From source file:Main.java

/**
 * Looks up contact name in the address book by the phone number.
 * //from ww w .j a v  a  2 s.  c  o m
 * @param context the Android context.
 * @param phone the phone number to look up.
 * @return a contact name.
 */
public static String lookupNameByPhone(Context context, String phone) {
    Uri uri = Uri.withAppendedPath(ContactsContract.PhoneLookup.CONTENT_FILTER_URI, Uri.encode(phone));
    String[] projection = new String[] { ContactsContract.Contacts.DISPLAY_NAME,
            ContactsContract.Contacts._ID };
    Cursor cursor = context.getContentResolver().query(uri, projection, null, null, null);

    try {
        while (cursor.moveToNext()) {
            String name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));

            if (name != null && name.length() > 0) {
                return name;
            }
        }
    } finally {
        cursor.close();
    }

    return phone;
}

From source file:Main.java

public static String uriToString(Context context, Uri uri) {
    String scheme = uri.getScheme();
    if (scheme != null) {
        if (scheme.equals("http") || scheme.equals("https")) {
            return uri.toString();
        } else if (scheme.equals("content") || scheme.equals("file")) {
            Cursor cursor = context.getContentResolver().query(uri,
                    new String[] { OpenableColumns.DISPLAY_NAME }, null, null, null);
            if (cursor.moveToNext()) {
                String name = cursor.getString(0);
                cursor.close();/*w  w  w  . j a v a2s.co  m*/
                return name;
            }
            cursor.close();
            return uri.getPath();
        }
    }
    return uri.toString();
}

From source file:Main.java

protected static String getImagePath(Uri imageUri, Context context) {
    String scheme = imageUri.getScheme();
    if (scheme.equals("file"))
        return imageUri.getPath();
    Cursor cursor = null;/*w ww . jav  a2 s .c  om*/
    try {
        String[] proj = { MediaStore.Images.Media.DATA };
        cursor = context.getContentResolver().query(imageUri, proj, null, null, null);
        int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        cursor.moveToFirst();
        return cursor.getString(column_index);
    } finally {
        if (cursor != null)
            cursor.close();
    }

}

From source file:Main.java

private static String generateDeviceUniqueIdentifier(Context context) {
    final TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);

    final String tmDevice = "" + tm.getDeviceId();
    final String tmSerial = "" + tm.getSimSerialNumber();
    final String androidId = ""
            + Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
    final String packageBasedAndroidId = context.getPackageName() + androidId;

    UUID deviceUuid = new UUID(packageBasedAndroidId.hashCode(),
            ((long) tmDevice.hashCode() << 32) | tmSerial.hashCode());
    return deviceUuid.toString();
}

From source file:Main.java

public static String getDeviceKey(Context ctx) {

    final TelephonyManager tm = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);
    final String tmDevice, tmSerial, androidId;
    tmDevice = "" + tm.getDeviceId();
    tmSerial = "" + tm.getSimSerialNumber();
    androidId = "" + android.provider.Settings.Secure.getString(ctx.getContentResolver(),
            android.provider.Settings.Secure.ANDROID_ID);
    UUID deviceUuid = new UUID(androidId.hashCode(), ((long) tmDevice.hashCode() << 32) | tmSerial.hashCode());
    return deviceUuid.toString();
}

From source file:Main.java

public static String getMacAddress(Context context) {
    WifiManager wimanager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
    String macAddress = wimanager.getConnectionInfo().getMacAddress();
    if (macAddress == null) {
        //Device doesn't have mac address or wi-fi is disabled
        macAddress = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID);
    }//  w w  w  .  j  ava  2  s .  co m
    return macAddress;
}