Android大图片裁剪终极解决方案

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private static final String IMAGE_FILE_LOCATION = "file:///sdcard/temp.jpg";//temp file

Uri imageUri = Uri.parse(IMAGE_FILE_LOCATION);//The Uri to store the big bitmap

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Intent intent = new Intent(Intent.ACTION_GET_CONTENT, null);

intent.setType("image/*");

intent.putExtra("crop", "true");

intent.putExtra("aspectX", 2);

intent.putExtra("aspectY", 1);

intent.putExtra("outputX", 600);

intent.putExtra("outputY", 300);

intent.putExtra("scale", true);

intent.putExtra("return-data", false);

intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);

intent.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString());

intent.putExtra("noFaceDetection", true); // no face detection

startActivityForResult(intent, CHOOSE_BIG_PICTURE);

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Intent intent = new Intent(Intent.ACTION_GET_CONTENT, null);

intent.setType("image/*");

intent.putExtra("crop", "true");

intent.putExtra("aspectX", 2);

intent.putExtra("aspectY", 1);

intent.putExtra("outputX", 200);

intent.putExtra("outputY", 100);

intent.putExtra("scale", true);

intent.putExtra("return-data", true);

intent.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString());

intent.putExtra("noFaceDetection", true); // no face detection

startActivityForResult(intent, CHOOSE_SMALL_PICTURE);

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switch (requestCode) {

case CHOOSE_BIG_PICTURE:

    Log.d(TAG, "CHOOSE_BIG_PICTURE: data = " + data);//it seems to be null

    if(imageUri != null){

        Bitmap bitmap = decodeUriAsBitmap(imageUri);//decode bitmap

        imageView.setImageBitmap(bitmap);

    }

    break;

case CHOOSE_SMALL_PICTURE:

    if(data != null){

        Bitmap bitmap = data.getParcelableExtra("data");

        imageView.setImageBitmap(bitmap);

    }else{

        Log.e(TAG, "CHOOSE_SMALL_PICTURE: data = " + data);

    }

    break;

default:

    break;

}

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private Bitmap decodeUriAsBitmap(Uri uri){

    Bitmap bitmap = null;

    try {

        bitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(uri));

    } catch (FileNotFoundException e) {

        e.printStackTrace();

        return null;

    }

    return bitmap;

}