Java tutorial
//package com.java2s; //License from project: Apache License import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Matrix; import android.graphics.Paint; public class Main { public static Bitmap adjustPhotoRotation(Bitmap bm, final int orientationDegree) { Matrix m = new Matrix(); m.setRotate(orientationDegree, (float) bm.getWidth() / 2, (float) bm.getHeight() / 2); float targetX, targetY; if (orientationDegree == 90) { targetX = bm.getHeight(); targetY = 0; } else { targetX = bm.getHeight(); targetY = bm.getWidth(); } final float[] values = new float[9]; m.getValues(values); float x1 = values[Matrix.MTRANS_X]; float y1 = values[Matrix.MTRANS_Y]; m.postTranslate(targetX - x1, targetY - y1); Bitmap bm1 = Bitmap.createBitmap(bm.getHeight(), bm.getWidth(), Bitmap.Config.ARGB_8888); Paint paint = new Paint(); Canvas canvas = new Canvas(bm1); canvas.drawBitmap(bm, m, paint); return bm1; } }