Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import android.content.Context;

import android.graphics.Matrix;

import android.media.ExifInterface;

import android.net.Uri;

import java.io.File;

public class Main {
    public static Matrix rotateImage(Context context, Uri imageUri, File f) {
        Matrix matrix = new Matrix();
        try {
            if (imageUri != null) {
                context.getContentResolver().notifyChange(imageUri, null);
            }
            ExifInterface exif = new ExifInterface(f.getAbsolutePath());
            int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);

            switch (orientation) {
            case ExifInterface.ORIENTATION_ROTATE_270:
                matrix.postRotate(270);
                break;
            case ExifInterface.ORIENTATION_ROTATE_180:
                matrix.postRotate(180);
                break;
            case ExifInterface.ORIENTATION_ROTATE_90:
                matrix.postRotate(90);
                break;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return matrix;
    }
}