Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.content.Context;

import android.database.Cursor;

import android.media.ExifInterface;
import android.net.Uri;

import android.provider.MediaStore;
import android.util.Log;

public class Main {
    private static final String TAG = "TakeImagesUtil";

    private static int getRotation(Context context, Uri imageUri, boolean isCamera) {
        int rotation;
        if (isCamera) {
            rotation = getRotationFromCamera(context, imageUri);
        } else {
            rotation = getRotationFromGallery(context, imageUri);
        }
        Log.d(TAG, "Image rotation: " + rotation);
        return rotation;
    }

    private static int getRotationFromCamera(Context context, Uri imageFile) {
        int rotate = 0;
        try {

            context.getContentResolver().notifyChange(imageFile, null);
            ExifInterface exif = new ExifInterface(imageFile.getPath());
            int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);

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

    public static int getRotationFromGallery(Context context, Uri imageUri) {
        String[] columns = { MediaStore.Images.Media.ORIENTATION };
        Cursor cursor = context.getContentResolver().query(imageUri, columns, null, null, null);
        if (cursor == null)
            return 0;

        cursor.moveToFirst();

        int orientationColumnIndex = cursor.getColumnIndex(columns[0]);
        return cursor.getInt(orientationColumnIndex);
    }
}