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 void saveScreenBrightness(int paramInt, Context mContext) {
    if (paramInt <= 5) {
        paramInt = 5;//w w w.j a v  a  2s  . c  o  m
    }
    try {
        float f = paramInt / 100.0F * 255;
        Settings.System.putInt(mContext.getContentResolver(), Settings.System.SCREEN_BRIGHTNESS, (int) f);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:Main.java

/**
 * @param mContext//from   w ww  . j  a  v a 2  s  .  c  o m
 * @param number
 * @return sunrise.l String 2012-5-28
 */
public static String getNameFormNumber(Context mContext, String number) {
    String name = null;

    Uri uri = Uri.withAppendedPath(ContactsContract.PhoneLookup.CONTENT_FILTER_URI, number);
    Cursor cur = mContext.getContentResolver().query(uri,
            new String[] { ContactsContract.PhoneLookup.DISPLAY_NAME }, null, null, null);
    if (cur != null && cur.moveToFirst()) {
        int nameIndex = cur.getColumnIndex(ContactsContract.PhoneLookup.DISPLAY_NAME);
        name = cur.getString(nameIndex);
    }
    cur.close();
    return name;
}

From source file:Main.java

public static final Bitmap getBitmapFromUri(Context context, Uri uri, int maxWidth, int maxHeight) {
    if (uri == null)
        return null;
    try {// ww  w .jav  a  2  s  .  c om
        InputStream is = context.getContentResolver().openInputStream(uri);

        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        // Set height and width in options, does not return an image and no resource taken
        BitmapFactory.decodeStream(is, null, options);
        int pow = 0;
        while (options.outHeight >> pow > maxHeight || options.outWidth >> pow > maxWidth) {
            pow += 1;
        }
        is.close();
        is = context.getContentResolver().openInputStream(uri);
        options.inSampleSize = 1 << pow;
        options.inJustDecodeBounds = false;
        Bitmap bmp = BitmapFactory.decodeStream(is, null, options);

        return bmp;
    } catch (Exception ex) {
        ex.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static Bitmap decodeUriToBitmap(Context context, Uri uri) {
    if (context == null || uri == null)
        return null;

    Bitmap bitmap = null;/*from w  w w .  j  a  v  a 2  s. c  om*/
    try {
        bitmap = BitmapFactory.decodeStream(context.getContentResolver().openInputStream(uri));
    } catch (FileNotFoundException e) {
        e.printStackTrace();
        return null;
    }
    return bitmap;
}

From source file:Main.java

private static InputStream openPhoto(final Context context, final Uri contactUri) {
    Uri photoUri = Uri.withAppendedPath(contactUri, ContactsContract.Contacts.Photo.CONTENT_DIRECTORY);
    Cursor cursor = context.getContentResolver().query(photoUri,
            new String[] { ContactsContract.Contacts.Photo.PHOTO }, null, null, null);
    if (cursor == null) {
        return null;
    }/*from  www.  j  a  va2 s .  c  o m*/
    try {
        if (cursor.moveToFirst()) {
            byte[] data = cursor.getBlob(0);
            if (data != null) {
                return new ByteArrayInputStream(data);
            }
        }
    } finally {
        cursor.close();
    }
    return null;
}

From source file:Main.java

public static String getRealPathFromURI(Context context, Uri contentUri) {
    Cursor cursor = null;//  w ww. j ava 2 s.co  m
    try {
        String[] proj = { MediaStore.Images.Media.DATA };
        cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
        int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
        cursor.moveToFirst();
        return cursor.getString(column_index);
    } catch (NullPointerException ex) {
        return "";
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
}

From source file:Main.java

public static String uriToFilePath(Context context, String contentUri) {
    if (Uri.parse(contentUri).getScheme().equals("content")) {
        String[] p = { MediaStore.MediaColumns.DATA };
        Cursor cursor = context.getContentResolver().query(Uri.parse(contentUri), p, // which columns
                null, // which rows (all rows)
                null, // selection args (none)
                null); // order-by clause (ascending by name)
        if (cursor != null) {
            int iColumn = cursor.getColumnIndexOrThrow(MediaStore.MediaColumns.DATA);
            if (cursor.moveToFirst()) {
                return (cursor.getString(iColumn));
            }//from   w w w  .java 2s .c  o  m
        }
    }
    if (Uri.parse(contentUri).getScheme().equals("file")) {
        return (Uri.parse(contentUri).getPath());
    }
    return (null);
}

From source file:Main.java

private static InputStream openDisplayPhoto(final Context context, final Uri contactUri) {
    Uri displayPhotoUri = Uri.withAppendedPath(contactUri, ContactsContract.Contacts.Photo.DISPLAY_PHOTO);
    try {//from  ww  w.j  a  va2  s.co m
        AssetFileDescriptor fd = context.getContentResolver().openAssetFileDescriptor(displayPhotoUri, "r");
        return fd.createInputStream();
    } catch (IOException e) {
        return null;
    }
}

From source file:Main.java

/**
 * Get the contact name from a URI./*w w  w  .  j  a v  a2  s .co  m*/
 *
 * @param context The context.
 * @param contactUri The contact URI.
 *
 * @return The contact name.
 */
public static String getContactName(final Context context, Uri contactUri) {
    String name = null;
    if (contactUri != null) {
        Cursor cursor = null;
        try {
            cursor = context.getContentResolver().query(contactUri,
                    new String[] { ContactsContract.Contacts.DISPLAY_NAME }, null, null, null);
            if (cursor != null && cursor.moveToFirst()) {
                name = cursor.getString(cursor.getColumnIndexOrThrow(ContactsContract.Contacts.DISPLAY_NAME));
            }
        } finally {
            if (cursor != null) {
                cursor.close();
            }

        }
    }

    return name;
}

From source file:Main.java

/**
 * set the value to share config/*from w  ww.ja  v  a 2s.  c  o m*/
 * @param context context 
 * @param key key of the config
 * @param value value of the config
 */
public static void set(Context context, String key, String value) {
    ContentValues values = new ContentValues();
    values.put("key", key);
    values.put("value", value);
    try {
        context.getContentResolver().insert(CONTENT_URI, values);
    } catch (IllegalArgumentException e1) {
    } catch (Exception e) {
        Log.e("AspShareUtil", "Error while set", e);
    }
}