Android-从图库中剪切图像不能正常工作

Question

    final int PIC_CROP = 2;
    final int CAMERA_CAPTURE = 1;
    final int PICK_FROM_FILE = 3;
    private Uri picUri;

@Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        if (requestCode == CAMERA_CAPTURE && resultCode == RESULT_OK) {

            picUri = data.getData();// get image URI
            performCrop();
        } else if (requestCode == PIC_CROP) {// crop and compress image
            if (resultCode != RESULT_OK)
                return;
            Bundle extras = data.getExtras();
            Bitmap thePic = extras.getParcelable("data");
            FileOutputStream out = null;
            ByteArrayOutputStream bao = new ByteArrayOutputStream();
            double width = thePic.getWidth();
            double height = thePic.getHeight();
            double ratio = 650 / width;
            int newheight = (int) (ratio * height);
            thePic = Bitmap.createScaledBitmap(thePic, 650, newheight, true);
            try {
                out = new FileOutputStream(file);
                thePic.compress(Bitmap.CompressFormat.JPEG, 295, out);
                thePic.compress(Bitmap.CompressFormat.JPEG, 295, bao);

                byte[] ba = bao.toByteArray();
                switch (whichimg) {
                case 1:
                    simg1 = Base64.encodeBytes(ba);
                    break;
            } catch (Exception e) {

            }

        }
    }

if (item == 0) {// take photo
                    Intent captureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                    startActivityForResult(captureIntent, CAMERA_CAPTURE);
                    alert.dismiss();
                } else if (item == 1) {// photo from gallery
                    Intent intent = new Intent();
                    intent.setType("image/*");
                    intent.setAction(Intent.ACTION_GET_CONTENT);
                    startActivityForResult(
                            Intent.createChooser(intent, (getString(R.string.choosephototo))),
                            CAMERA_CAPTURE);
                    alert.dismiss();
                }

private void performCrop() {
    try {
        Intent cropIntent = new Intent("com.android.camera.action.CROP");
        cropIntent.setDataAndType(picUri, "image/*");
        cropIntent.putExtra("crop", "true");
        //cropIntent.putExtra("aspectX", 1);
        //cropIntent.putExtra("aspectY", 1);
        //cropIntent.putExtra("outputX", 356);
        //cropIntent.putExtra("outputY", 256);
        cropIntent.putExtra("return-data", true);
        startActivityForResult(cropIntent, PIC_CROP);
    } catch (ActivityNotFoundException anfe) {
        MyToast.makeText(NewAdd2.this, DariGlyphUtils.reshapeText(getString(R.string.devicecouldcop)));
    }
}

Answer 1

尝试下面的链接为您的问题，它将工作

performCrop（）方法可能出现问题

作物链接