android - 对图片进行剪裁

Answer 1

//跳转到android系统自带的图片裁剪工具
        Intent intent = new Intent("com.android.camera.action.CROP");
        intent.setDataAndType(uri, "image/*");
        //设置裁剪
        intent.putExtra("crop", true);
        //比例
        intent.putExtra("aspectX", 1);
        intent.putExtra("aspectY", 1);
        //裁剪宽高
        intent.putExtra("outputX", 300);
        intent.putExtra("outputY", 300);
        intent.putExtra("return-data", true);
        startActivityForResult(intent, RESULT_CODE);