Android Image Editor

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UPDATE 2020: You can browser all image processing library listed in Android Asernal https://android-arsenal.com/tag/47

  1. Using Aviary SDK now become Creative SDK . It also supports iOS and WindowPhone7. Aviary provide most of function such as Orientation, Crop, and Sharpness,Red-Eye, Whiten, and Blemish,Stickers, Drawing, Text, and Meme (beta),Brightness, Saturation, and Contrast and custom Options. SS.

  2. Fotor SDK

  3. Creative SDK by Adobe

  4. Directly process bitmap.

    import android.graphics.Bitmap;

    public class ProcessingImage {
    private Bitmap defaultImg;
    private int idBitmap;

    public int getIdBitmap() {
    return idBitmap;
    }

    public void setIdBitmap(int idBitmap) {
    this.idBitmap = idBitmap;
    }

    public Bitmap getDefaultImg() {
    return defaultImg;
    }

    public void setDefaultImg(Bitmap defaultImg) {
    this.defaultImg = defaultImg;
    }

    public ProcessingImage() {
    }

    public Bitmap processingI(Bitmap myBitmap) {
    return myBitmap;
    }

    public Bitmap TintThePicture(int deg, Bitmap defaultBitmap) {

       int w = defaultBitmap.getWidth();
       int h = defaultBitmap.getHeight();
    
       int[] pix = new int[w * h];
       defaultBitmap.getPixels(pix, 0, w, 0, 0, w, h);
    
       double angle = (3.14159d * (double) deg) / 180.0d;
       int S = (int) (256.0d * Math.sin(angle));
       int C = (int) (256.0d * Math.cos(angle));
    
       int r, g, b, index;
       int RY, BY, RYY, GYY, BYY, R, G, B, Y;
    
       for (int y = 0; y < h; y++) {
           for (int x = 0; x < w; x++) {
               index = y * w + x;
               r = (pix[index] >> 16) & 0xff;
               g = (pix[index] >> 8) & 0xff;
               b = pix[index] & 0xff;
               RY = (70 * r - 59 * g - 11 * b) / 100;
               BY = (-30 * r - 59 * g + 89 * b) / 100;
               Y = (30 * r + 59 * g + 11 * b) / 100;
               RYY = (S * BY + C * RY) / 256;
               BYY = (C * BY - S * RY) / 256;
               GYY = (-51 * RYY - 19 * BYY) / 100;
               R = Y + RYY;
               R = (R < 0) ? 0 : ((R > 255) ? 255 : R);
               G = Y + GYY;
               G = (G < 0) ? 0 : ((G > 255) ? 255 : G);
               B = Y + BYY;
               B = (B < 0) ? 0 : ((B > 255) ? 255 : B);
               pix[index] = 0xff000000 | (R << 16) | (G << 8) | B;
           }
       }
    
       Bitmap bm = Bitmap.createBitmap(w, h, defaultBitmap.getConfig());
       bm.setPixels(pix, 0, w, 0, 0, w, h);
    
       pix = null;
       return bm;
    }
    }
    

Usage: Process Indigo color: TintThePicture(180, myBitmap);
Process Green color: TintThePicture(300, myBitmap);
5. Use android.media.effect is provided in API14
6. Effect Pro
7. Android-Image-Edit
8. android-image-editor
9. smartcrop-android (This library will analyze best crop position and size by calculating some features; edge, skin tone, staturation and face.)