This method is use for rotation of image. - Android Graphics

Android examples for Graphics:Image Rotate

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Description

This method is use for rotation of image.

Demo Code


//package com.java2s;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;

public class Main {
    /**//from  w w w.  j ava  2s . c  o m
     * This method is use for rotation of image.
     *
     * @param mediaFile
     *
     **/
    public static void rotateImage(String mediaFile, int rotation) {
        if (rotation != 0) {
            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inSampleSize = 2;
            Bitmap bitmap = BitmapFactory.decodeFile(mediaFile, options);
            if (bitmap != null) {

                Matrix matrix = new Matrix();
                matrix.setRotate(rotation);
                bitmap = Bitmap
                        .createBitmap(bitmap, 0, 0, bitmap.getWidth(),
                                bitmap.getHeight(), matrix, true);
                // bitmap.recycle();
                try {
                    final FileOutputStream fos = new FileOutputStream(
                            mediaFile);
                    bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fos);
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}

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