Question

我正在尝试将图片从手机图库上传到Firebase，但模拟器会一直关闭，并且没有记录任何错误。这是我的代码

val PICK_IMAGE_CODE=123
fun loadImage(){
    var intent = Intent(Intent.ACTION_PICK,MediaStore.Images.Media.EXTERNAL_CONTENT_URI)
    startActivityForResult(intent,PICK_IMAGE_CODE)
}

 override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
    super.onActivityResult(requestCode, resultCode, data)
    if(requestCode==PICK_IMAGE_CODE  && data!=null && resultCode == RESULT_OK){

        val selectedImage=data.data
        val filePathColum= arrayOf(MediaStore.Images.Media.DATA)
        val cursor= contentResolver.query(selectedImage,filePathColum,null,null,null)
        cursor.moveToFirst()
        val coulomIndex=cursor.getColumnIndex(filePathColum[0])
        val picturePath=cursor.getString(coulomIndex)
        cursor.close()
       uploadImage(BitmapFactory.decodeFile(picturePath))
    }


}

var DownloadURL:String?=""

fun uploadImage(bitmap:Bitmap){
    adapter!!.notifyDataSetChanged()

    var currentUser = mAuth!!.currentUser

    val storage= FirebaseStorage.getInstance()
   val storgaRef=storage.reference
    val df= SimpleDateFormat("ddMMyyHHmmss")
    val dataobj= Date()
    val imagePath= currentUser!!.uid+ "."+ df.format(dataobj)+ ".jpg"
    val ImageRef=storgaRef.child("imagePost/"+imagePath )
    val baos= ByteArrayOutputStream()
    bitmap.compress(Bitmap.CompressFormat.JPEG,100,baos)
    val data= baos.toByteArray()
    val uploadTask=ImageRef.putBytes(data)
    uploadTask.addOnFailureListener{
        Toast.makeText(applicationContext,"fail to upload", Toast.LENGTH_LONG).show()
    }.addOnSuccessListener { taskSnapshot ->

        DownloadURL= taskSnapshot.downloadUrl!!.toString()
        ListTweets.removeAt(0)
        adapter!!.notifyDataSetChanged()

    }
}

如果我注释掉我对uploadImage的调用，那么模拟器不会崩溃，所以我认为我得到picturePath的方式正在发生，但我不确定。任何人都可以帮助我吗？

Answer 1

我想通了，我没有要求权限，所以我使用的picturePath始终为null

将图片上传到Firebase时出现问题

1 个答案: