text: package android.app;
  
  import android.content.Context;
  import android.graphics.Bitmap;
  import android.graphics.Matrix;
  import android.provider.Settings;
  
  public class HwCustHwWallpaperManagerImpl extends HwCustHwWallpaperManager {
      public boolean isScrollWallpaper(Context context) {
          if (context == null || !"true".equals(Settings.System.getString(context.getContentResolver(), "isScrollWallpaper"))) {
              return false;
          }
          Settings.System.putInt(context.getContentResolver(), "is_scroll", 1);
          return true;
      }
  
      public Bitmap createScrollBitmap(int width, int height, Bitmap bitmap) {
          if (height <= width || width == 0) {
              return bitmap;
          }
          Matrix matrix = new Matrix();
          float scale = ((float) height) / ((float) width);
          matrix.setScale(scale, scale);
          return Bitmap.createBitmap(bitmap, 0, (height - width) / 2, width, width, matrix, true);
      }
  }
  