morristech
1/11/2019 - 1:57 PM

Android Photo Intent Chooser

Android Photo Intent Chooser

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"/.
 <!-- ....... -->
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-feature android:name="android.hardware.camera" android:required="false" />
    <uses-feature android:name="android.hardware.camera.autofocus" android:required="false" />
 <!-- ....... -->
</manifest>
import android.annotation.TargetApi;
import android.content.ComponentName;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Matrix;
import android.media.ExifInterface;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.os.Parcelable;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.util.Log;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

public class Camera {

    private static final String JPEG_FILE_PREFIX = "IMG_";
    private static final String JPEG_FILE_SUFFIX = ".jpg";

    private static boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    private static boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    private static boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }

    private static boolean isGooglePhotosUri(Uri uri) {
        return "com.google.android.apps.photos.content".equals(uri.getAuthority());
    }

    @TargetApi(Build.VERSION_CODES.KITKAT)
    private static String getPath(final Context context, final Uri uri) {

        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
            if (isExternalStorageDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {

                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(
                        Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));

                return getDataColumn(context, contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                Uri contentUri = null;
                switch (type) {
                    case "image":
                        contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                        break;
                    case "video":
                        contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                        break;
                    case "audio":
                        contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                        break;
                }

                final String selection = "_id=?";
                final String[] selectionArgs = new String[] {
                        split[1]
                };

                return getDataColumn(context, contentUri, selection, selectionArgs);
            }
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {

            // Return the remote address
            if (isGooglePhotosUri(uri))
                return uri.getLastPathSegment();

            return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }

        return null;
    }

    private static String getDataColumn(Context context, Uri uri, 
                      String selection, String[] selectionArgs) {

        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = {
                column
        };

        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
                    null);
            if (cursor != null && cursor.moveToFirst()) {

                final int column_index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(column_index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }

    private static int getImageOrientation(String imagePath) {
        int rotate = 0;
        try {
            File imageFile = new File(imagePath);
            ExifInterface exif = new ExifInterface(imageFile.getAbsolutePath());
            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 (IOException e) {
            e.printStackTrace();
        }
        return rotate;
    }

    private static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
        
        final int height = options.outHeight;
        final int width = options.outWidth;
        int inSampleSize = 1;
        if (height > reqHeight || width > reqWidth) {
            final int heightRatio = Math.round((float) height / (float) reqHeight);
            final int widthRatio = Math.round((float) width / (float) reqWidth);
            inSampleSize = heightRatio < widthRatio ? heightRatio : widthRatio;
        }
        return inSampleSize;
    }

    public static Intent photoIntent(Context context, File photoFile) {
        
        List<Intent> cameraIntents = new ArrayList<Intent>();
        Intent captureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        if (photoFile != null) {
            captureIntent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(photoFile));
        }
        PackageManager packageManager = context.getPackageManager();
        final List<ResolveInfo> listCam = packageManager.queryIntentActivities(captureIntent, 0);
        for (ResolveInfo res : listCam) {
            String packageName = res.activityInfo.packageName;
            Intent intent = new Intent(captureIntent);
            intent.setComponent(new ComponentName(res.activityInfo.packageName, res.activityInfo.name));
            intent.setPackage(packageName);
            cameraIntents.add(intent);
        }
        Intent galleryIntent = new Intent();
        galleryIntent.setType("image/*");
        galleryIntent.setAction(Intent.ACTION_GET_CONTENT);
        Intent chooserIntent = Intent.createChooser(galleryIntent, "Select Source");
        chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, cameraIntents.toArray(new Parcelable[cameraIntents.size()]));
        return chooserIntent;
    }

    public static File createImageFile() throws IOException {
        String dir = Environment.getExternalStorageDirectory() + File.separator + "Pictures" + File.separator + "SomeFolder" + File.separator;
        File directory = new File(dir);
        if (directory.mkdir()) Log.d("dir created", dir);
        return new File(dir, JPEG_FILE_PREFIX + Calendar.getInstance().getTimeInMillis() + JPEG_FILE_SUFFIX);
    }

    public static String photoResult(Context context, File file, Intent data) {
        
        String image;
        final boolean isCamera;
        if (data != null) {
            String action = data.getAction();
            if (action != null) {
                Log.e("action", action);
            }
            isCamera = action != null && action.equals("inline-data");
        } else {
            isCamera = true;
        }
        if(isCamera) {
            image = file.getAbsolutePath();
        } else {
            image = getPath(context, data.getData());
        }
        if (getImageOrientation(image) != 0) {
            
            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inJustDecodeBounds = true;
            options.inSampleSize = calculateInSampleSize(options, 1024, 1024);
            options.inJustDecodeBounds = false;
            options.inPreferredConfig = Bitmap.Config.RGB_565;
            options.inDither = true;
            Bitmap bitmap = BitmapFactory.decodeFile(image, options);

            bitmap = getResizedBitmap(bitmap, 1024);
            Matrix matrix = new Matrix();
            matrix.postRotate(getImageOrientation(image));
            Bitmap rotatedBitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);
            FileOutputStream out = null;
            if (image != null) {
                try {
                    out = new FileOutputStream(image);
                    rotatedBitmap.compress(Bitmap.CompressFormat.JPEG, 100, out);
                    bitmap.recycle();
                    rotatedBitmap.recycle();
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    try {
                        if (out != null) {
                            out.close();
                        }
                    } catch (Throwable ignore) {
                    }
                }
            }
        }
        return image;
    }

    private static Bitmap getResizedBitmap(Bitmap source, int size){

        if (source.getWidth() > size) {
            double ar = ((double) source.getHeight() / (double) source.getWidth());
            int y = (int) (ar * size);
            Bitmap result = Bitmap.createScaledBitmap(source, size, y, false);
            if (result != source) {
                source.recycle();
            }
            return result;
        }
        return source;
    }

}
File photoFile;

//........

public void takePhoto() {
    try {
        photoFile = Camera.createImageFile();
    } catch (IOException ex) {
        ex.printStackTrace();
    }
    startActivityForResult(Camera.photoIntent(this, photoFile), 5);
}

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if(resultCode == Activity.RESULT_OK) {
        if(requestCode == 5) { //TODO uri get path is null
            Log.i("photo location", photoFile.getAbsolutePath());
            String path = Camera.photoResult(this, photoFile, data);
            //add your own logic for path
        }
    }
}

//........