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 a BitmapFactory.Options object containing the size of the image at the given URI,
 * without actually loading the image./*from   w ww.  j  a  v a 2s. com*/
 */
public static BitmapFactory.Options computeBitmapSizeFromURI(Context context, Uri imageURI)
        throws FileNotFoundException {
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true;
    BitmapFactory.decodeStream(context.getContentResolver().openInputStream(imageURI), null, options);
    return options;
}

From source file:Main.java

public static void openCamera(Context context, int code) {
    if (Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE).putExtra(MediaStore.EXTRA_OUTPUT,
                context.getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
                        new ContentValues()));
        // intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory() + imagePath)));
        ((Activity) context).startActivityForResult(intent, code);

    } else//w ww  .  j  ava  2s. c  o m
        Toast.makeText(context, "no sdcard!", Toast.LENGTH_SHORT).show();
}

From source file:com.outsystemscloud.andrevieira.secureDevice.java

/**
 * @param context//  w w  w .ja v  a  2s.  c om
 * @return true if pattern set, false if not (or if an issue when checking)
 */
private static boolean isPatternSet(Context context) {
    ContentResolver cr = context.getContentResolver();
    try {
        // This constant was deprecated in API level 23. 
        // Use KeyguardManager to determine the state and security level of the keyguard. 
        // Accessing this setting from an app that is targeting M or later throws a SecurityException.
        if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.M) {
            int lockPatternEnable = Settings.Secure.getInt(cr, Settings.Secure.LOCK_PATTERN_ENABLED);
            return lockPatternEnable == 1;
        } else {
            return false;
        }
    } catch (Settings.SettingNotFoundException e) {

        return false;
    }
}

From source file:Main.java

public static boolean isInputMethodDefault(Context context, Class<?> imeClass) {
    final String targetImePackage = imeClass.getPackage().getName();
    final String targetImeClass = imeClass.getSimpleName();
    final String defaultImeId = Settings.Secure.getString(context.getContentResolver(),
            Settings.Secure.DEFAULT_INPUT_METHOD);

    return defaultImeId != null && defaultImeId.contains(targetImePackage)
            && defaultImeId.contains(targetImeClass);
}

From source file:Main.java

@Nullable
public static Cursor query(Context context, Uri uri, String[] projection, String selection,
        String[] selectionArgs, String sortOrder, int limit) {
    try {/* ww  w.j a  v a  2  s .  co  m*/
        ContentResolver resolver = context.getContentResolver();
        if (resolver == null) {
            return null;
        }
        if (limit > 0) {
            uri = uri.buildUpon().appendQueryParameter("limit", "" + limit).build();
        }
        return resolver.query(uri, projection, selection, selectionArgs, sortOrder);
    } catch (UnsupportedOperationException ex) {
        return null;
    }
}

From source file:Main.java

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

    Cursor cursor = null;/*  ww w .ja  va2s  . co  m*/
    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);
        }
    } catch (Exception e) {
        Log.d("android_utilities", "the error is " + e);
    } finally {
        if (cursor != null) {
            cursor.close();
        }
    }
    return null;
}

From source file:Main.java

public static boolean isInputMethodEnabled(Context context, Class<?> imeClass) {
    final String targetImePackage = imeClass.getPackage().getName();
    final String targetImeClass = imeClass.getSimpleName();
    final String enabledImeIds = Settings.Secure.getString(context.getContentResolver(),
            Settings.Secure.ENABLED_INPUT_METHODS);

    return enabledImeIds != null && enabledImeIds.contains(targetImePackage)
            && enabledImeIds.contains(targetImeClass);
}

From source file:Main.java

public static Drawable load_drawable_from_uri_string(Context context, String uri, int sizeX, int sizeY) {
    Drawable drawable = null;/*from  www .  j av  a2  s  .co m*/
    Uri img_uri = Uri.parse(uri);
    if (uri != null) {
        try {

            InputStream inputStream = context.getContentResolver().openInputStream(img_uri);
            Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
            Bitmap small_bitmap = Bitmap.createScaledBitmap(bitmap, sizeX, sizeY, false);
            bitmap.recycle();
            drawable = new BitmapDrawable(context.getResources(), small_bitmap);

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
    }
    return drawable;
}

From source file:Main.java

/**
 * Get the value of the data column for this Uri. This is useful for
 * MediaStore Uris, and other file-based ContentProviders.
 *
 * @param context       The context./*from  w ww  . j a  v  a 2  s . com*/
 * @param uri           The Uri to query.
 * @param selection     (Optional) Filter used in the query.
 * @param selectionArgs (Optional) Selection arguments used in the query.
 * @return The value of the _data column, which is typically a file path.
 */
public static String getDataColumn(Context context, Uri uri, String selection, String[] selectionArgs) {

    Cursor cursor = null;
    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 index = cursor.getColumnIndexOrThrow(column);
            return cursor.getString(index);
        }
    } finally {
        if (cursor != null)
            cursor.close();
    }
    return null;
}

From source file:Main.java

public static String queryAudioName(Context context, Uri name) {
    String audioId;/* w ww .j a  v  a 2  s . c o  m*/
    String uriName = name.toString();
    uriName = uriName.substring(uriName.lastIndexOf("/") + 1);
    Cursor cursor = context.getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, null, null,
            null, MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
    if (cursor != null && cursor.getCount() > 0) {
        cursor.moveToFirst();
        int counter = cursor.getCount();
        for (int j = 0; j < counter; j++) {
            audioId = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media._ID));

            if (uriName.equals(audioId)) {
                uriName = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.TITLE));
            } else {
                Ringtone ringtone = RingtoneManager.getRingtone(context, name);
                uriName = ringtone.getTitle(context);
                break;
            }
            cursor.moveToNext();

        }
        cursor.close();
    } else {
        try {
            Ringtone ringtone = RingtoneManager.getRingtone(context, name);
            uriName = ringtone.getTitle(context);
        } catch (Exception e) {
            return uriName;
        }
    }
    return uriName;
}