Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.File;

import java.io.IOException;

import android.content.Context;

import android.database.Cursor;

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

import android.provider.MediaStore;

public class Main {
    public static int getOrientation(Context context, Uri photoUri, File file) {
        /* it's on the external media. */
        Cursor cursor = context.getContentResolver().query(photoUri,
                new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);
        if (cursor != null && cursor.getCount() != 1) {
            cursor.moveToFirst();
            return cursor.getInt(0);
        }

        int rotate = 0;
        ExifInterface exif = null;

        try {
            exif = new ExifInterface(file == null ? getPath(context, photoUri) : file.getAbsolutePath());
        } catch (IOException e) {
            e.printStackTrace();
        }
        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;
        case ExifInterface.ORIENTATION_NORMAL:
            rotate = 0;
            break;
        }
        return rotate;
    }

    public static String getPath(Context context, Uri contentUri) {
        Cursor cursor = null;
        try {
            String[] proj = { MediaStore.Images.Media.DATA };
            cursor = context.getContentResolver().query(contentUri, proj, null, null, null);
            int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
            cursor.moveToFirst();
            return cursor.getString(column_index);
        } finally {
            if (cursor != null) {
                cursor.close();
            }
        }
    }
}