이상한 에러가 발생했습니다. 봐주세요.

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11/29 00:09:17: Launching 'app' on Pixel 2 API 29.

Install successfully finished in 832 ms.

$ adb shell am start -n "kr.co.soncampus.mymango/kr.co.soncampus.mymango.SplashActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER

Connected to process 10156 on device 'emulator-5554'.

Capturing and displaying logcat messages from application. This behavior can be disabled in the "Logcat output" section of the "Debugger" settings page.

I/FirebaseApp: Device unlocked: initializing all Firebase APIs for app [DEFAULT]

D/FirebaseAuth: Notifying id token listeners about user ( cb3Our6w2RfgpDYXJfzNoipE0tB2 ).

I/FirebaseInitProvider: FirebaseApp initialization successful

W/RenderThread: type=1400 audit(0.0:41): avc: denied { write } for name="property_service" dev="tmpfs" ino=6860 scontext=u:r:untrusted_app:s0:c158,c256,c512,c768 tcontext=u:object_r:property_socket:s0 tclass=sock_file permissive=0

D/libEGL: Emulator has host GPU support, qemu.gles is set to 1.

W/libc: Unable to set property "qemu.gles" to "1": connection failed; errno=13 (Permission denied)

I/DynamiteModule: Considering local module com.google.android.gms.measurement.dynamite:55 and remote module com.google.android.gms.measurement.dynamite:54

Selected local version of com.google.android.gms.measurement.dynamite

I/FirebaseAuth: [FirebaseAuth:] Preparing to create service connection to fallback implementation

D/libEGL: loaded /vendor/lib/egl/libEGL_emulation.so

D/libEGL: loaded /vendor/lib/egl/libGLESv1_CM_emulation.so

D/libEGL: loaded /vendor/lib/egl/libGLESv2_emulation.so

V/FA: onActivityCreated

V/FA: App measurement collection enabled

App measurement enabled for app package, google app id: kr.co.soncampus.mymango, 1:667758425658:android:76621f75212078a2352703

I/FA: App measurement initialized, version: 46000

To enable debug logging run: adb shell setprop log.tag.FA VERBOSE

To enable faster debug mode event logging run:

adb shell setprop debug.firebase.analytics.app kr.co.soncampus.mymango

D/FA: Debug-level message logging enabled

W/ncampus.mymang: Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (greylist, reflection, allowed)

Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (greylist, reflection, allowed)

V/FA: Connecting to remote service

V/FA: Connection attempt already in progress

V/FA: Activity resumed, time: 4720949

I/FA: Tag Manager is not found and thus will not be used

V/FA: Connection attempt already in progress

D/HostConnection: HostConnection::get() New Host Connection established 0xdb94f550, tid 10197

D/HostConnection: HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_vulkan ANDROID_EMU_deferred_vulkan_commands ANDROID_EMU_vulkan_null_optional_strings ANDROID_EMU_vulkan_create_resources_with_requirements ANDROID_EMU_YUV420_888_to_NV21 ANDROID_EMU_YUV_Cache ANDROID_EMU_async_unmap_buffer ANDROID_EMU_vulkan_free_memory_sync ANDROID_EMU_vulkan_shader_float16_int8 ANDROID_EMU_vulkan_async_queue_submit ANDROID_EMU_sync_buffer_data GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_host_side_tracing ANDROID_EMU_async_frame_commands ANDROID_EMU_gles_max_version_2

W/OpenGLRenderer: Failed to choose config with EGL_SWAP_BEHAVIOR_PRESERVED, retrying without...

D/eglCodecCommon: setVertexArrayObject: set vao to 0 (0) 0 0

D/EGL_emulation: eglCreateContext: 0xdb91a480: maj 2 min 0 rcv 2

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

W/Gralloc3: mapper 3.x is not supported

D/HostConnection: createUnique: call

D/HostConnection: HostConnection::get() New Host Connection established 0xdb94f690, tid 10197

D/eglCodecCommon: allocate: Ask for block of size 0x1000

allocate: ioctl allocate returned offset 0x3ffff6000 size 0x2000

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

D/eglCodecCommon: setVertexArrayObject: set vao to 0 (0) 1 0

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

D/FA: Connected to remote service

V/FA: Processing queued up service tasks: 5

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

V/FA: Recording user engagement, ms: 3007

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

W/ActivityThread: handleWindowVisibility: no activity for token android.os.BinderProxy@e8b73bd

V/FA: onActivityCreated

V/FA: Activity paused, time: 4723957

E/sss: main.....

V/FA: Activity resumed, time: 4724008

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

D/sss: Main onCreateOptionsMenu.....

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

V/FA: Inactivity, disconnecting from the service

W/ncampus.mymang: Accessing hidden field Landroid/widget/AbsListView;->mIsChildViewEnabled:Z (greylist, reflection, allowed)

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

I/chatty: uid=10158(kr.co.soncampus.mymango) RenderThread identical 15 lines

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

I/chatty: uid=10158(kr.co.soncampus.mymango) RenderThread identical 13 lines

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

D/sss: item1

V/FA: Recording user engagement, ms: 11407

W/ActivityThread: handleWindowVisibility: no activity for token android.os.BinderProxy@c9f27a5

V/FA: onActivityCreated

V/FA: Connecting to remote service

V/FA: Connection attempt already in progress

Activity paused, time: 4735416

V/FA: Activity resumed, time: 4735501

V/FA: Connection attempt already in progress

Connection attempt already in progress

W/Glide: Failed to find GeneratedAppGlideModule. You should include an annotationProcessor compile dependency on com.github.bumptech.glide:compiler in your application and a @GlideModule annotated AppGlideModule implementation or LibraryGlideModules will be silently ignored

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

D/sss: Sub2 onCreateOptionsMenu.....

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

I/chatty: uid=10158(kr.co.soncampus.mymango) RenderThread identical 2 lines

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

D/FA: Connected to remote service

V/FA: Processing queued up service tasks: 4

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

V/FA: Inactivity, disconnecting from the service

W/ActivityThread: handleWindowVisibility: no activity for token android.os.BinderProxy@81fc038

V/FA: Recording user engagement, ms: 6581

V/FA: onActivityCreated

E/BookmarkActivity sss: entry ....................0

E/BookmarkActivity sss: entry ....................99

V/FA: Connecting to remote service

V/FA: Connection attempt already in progress

Activity paused, time: 4742083

V/FA: Activity resumed, time: 4742120

V/FA: Connection attempt already in progress

Connection attempt already in progress

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

D/FA: Connected to remote service

V/FA: Processing queued up service tasks: 4

D/EGL_emulation: eglMakeCurrent: 0xdb91a480: ver 2 0 (tinfo 0xdb90faa0)

D/NetworkSecurityConfig: No Network Security Config specified, using platform default

E/BookmarkActivity sss: entry ....................1

D/Datamodel: DataSnapshot { key = -MparmEFOESJUm_PjL5q, value = {imageUrl=https://s3-ap-northeast-1.amazonaws.com/dcreviewsresized/20211004092323023_photo_b2b78b1ad87d.jpg, titleText=설문커피, id=2, url=https://www.diningcode.com/profile.php?rid=9Vyv53tNcc8h} }

D/AndroidRuntime: Shutting down VM

E/AndroidRuntime: FATAL EXCEPTION: main

Process: kr.co.soncampus.mymango, PID: 10156

com.google.firebase.database.DatabaseException: Class kr.co.soncampus.mymango.ContentsModel does not define a no-argument constructor. If you are using ProGuard, make sure these constructors are not stripped.

at com.google.firebase.database.core.utilities.encoding.CustomClassMapper$BeanMapper.deserialize(CustomClassMapper.java:570)

at com.google.firebase.database.core.utilities.encoding.CustomClassMapper$BeanMapper.deserialize(CustomClassMapper.java:563)

at com.google.firebase.database.core.utilities.encoding.CustomClassMapper.convertBean(CustomClassMapper.java:433)

at com.google.firebase.database.core.utilities.encoding.CustomClassMapper.deserializeToClass(CustomClassMapper.java:232)

at com.google.firebase.database.core.utilities.encoding.CustomClassMapper.convertToCustomClass(CustomClassMapper.java:80)

at com.google.firebase.database.DataSnapshot.getValue(DataSnapshot.java:203)

at kr.co.soncampus.mymango.BookmarkActivity$onCreate$1.onDataChange(BookmarkActivity.kt:49)

at com.google.firebase.database.core.ValueEventRegistration.fireEvent(ValueEventRegistration.java:75)

at com.google.firebase.database.core.view.DataEvent.fire(DataEvent.java:63)

at com.google.firebase.database.core.view.EventRaiser$1.run(EventRaiser.java:55)

at android.os.Handler.handleCallback(Handler.java:883)

at android.os.Handler.dispatchMessage(Handler.java:100)

at android.os.Looper.loop(Looper.java:214)

at android.app.ActivityThread.main(ActivityThread.java:7356)

at java.lang.reflect.Method.invoke(Native Method)

at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)

at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)

I/Process: Sending signal. PID: 10156 SIG: 9

Connected to process 10236 on device 'emulator-5554'.

Capturing and displaying logcat messages from application. This behavior can be disabled in the "Logcat output" section of the "Debugger" settings page.

I/FirebaseApp: Device unlocked: initializing all Firebase APIs for app [DEFAULT]

D/FirebaseAuth: Notifying id token listeners about user ( cb3Our6w2RfgpDYXJfzNoipE0tB2 ).

I/FirebaseInitProvider: FirebaseApp initialization successful

W/RenderThread: type=1400 audit(0.0:42): avc: denied { write } for name="property_service" dev="tmpfs" ino=6860 scontext=u:r:untrusted_app:s0:c158,c256,c512,c768 tcontext=u:object_r:property_socket:s0 tclass=sock_file permissive=0

I/FirebaseAuth: [FirebaseAuth:] Preparing to create service connection to fallback implementation

D/libEGL: Emulator has host GPU support, qemu.gles is set to 1.

W/libc: Unable to set property "qemu.gles" to "1": connection failed; errno=13 (Permission denied)

D/libEGL: loaded /vendor/lib/egl/libEGL_emulation.so

D/libEGL: loaded /vendor/lib/egl/libGLESv1_CM_emulation.so

I/DynamiteModule: Considering local module com.google.android.gms.measurement.dynamite:55 and remote module com.google.android.gms.measurement.dynamite:54

Selected local version of com.google.android.gms.measurement.dynamite

D/libEGL: loaded /vendor/lib/egl/libGLESv2_emulation.so

V/FA: onActivityCreated

V/FA: App measurement collection enabled

V/FA: App measurement enabled for app package, google app id: kr.co.soncampus.mymango, 1:667758425658:android:76621f75212078a2352703

I/FA: App measurement initialized, version: 46000

To enable debug logging run: adb shell setprop log.tag.FA VERBOSE

To enable faster debug mode event logging run:

adb shell setprop debug.firebase.analytics.app kr.co.soncampus.mymango

D/FA: Debug-level message logging enabled

W/ncampus.mymang: Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (greylist, reflection, allowed)

Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (greylist, reflection, allowed)

V/FA: Connecting to remote service

V/FA: Connection attempt already in progress

V/FA: Activity resumed, time: 4743636

I/FA: Tag Manager is not found and thus will not be used

V/FA: Connection attempt already in progress

Connection attempt already in progress

D/HostConnection: HostConnection::get() New Host Connection established 0xdb94c410, tid 10275

W/OpenGLRenderer: Failed to choose config with EGL_SWAP_BEHAVIOR_PRESERVED, retrying without...

D/eglCodecCommon: setVertexArrayObject: set vao to 0 (0) 0 0

D/EGL_emulation: eglCreateContext: 0xdb91a600: maj 2 min 0 rcv 2

D/EGL_emulation: eglMakeCurrent: 0xdb91a600: ver 2 0 (tinfo 0xdb90fa50)

W/Gralloc3: mapper 3.x is not supported

D/HostConnection: createUnique: call

HostConnection::get() New Host Connection established 0xdb94c690, tid 10275

D/eglCodecCommon: allocate: Ask for block of size 0x1000

allocate: ioctl allocate returned offset 0x3ffff6000 size 0x2000

D/EGL_emulation: eglMakeCurrent: 0xdb91a600: ver 2 0 (tinfo 0xdb90fa50)

D/eglCodecCommon: setVertexArrayObject: set vao to 0 (0) 1 0

D/sss: Sub2 onCreateOptionsMenu.....

D/FA: Connected to remote service

V/FA: Processing queued up service tasks: 5

V/FA: Inactivity, disconnecting from the service

------------------------------------------

데이터는 두 건이 있습니다.

프로그램 소스입니다.

package kr.co.soncampus.mymango

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.text.method.TextKeyListener.clear
import android.util.Log
import android.widget.ArrayAdapter
import androidx.recyclerview.widget.GridLayoutManager
import androidx.recyclerview.widget.RecyclerView
import com.google.firebase.auth.FirebaseAuth
import com.google.firebase.auth.ktx.auth
import com.google.firebase.database.DataSnapshot
import com.google.firebase.database.DatabaseError
import com.google.firebase.database.ValueEventListener
import com.google.firebase.database.core.RepoManager.clear
import com.google.firebase.database.ktx.database
import com.google.firebase.ktx.Firebase

class BookmarkActivity : AppCompatActivity() {

    private lateinit var auth: FirebaseAuth

    private val contentsModels = mutableListOf<ContentsModel>()

    override fun onCreate(savedInstanceState: Bundle?) {

        auth = Firebase.auth

        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_bookmark)

        val rv = findViewById<RecyclerView>(R.id.rv1)
        val rvAdapter = RVAdapter(baseContext, contentsModels)
        rv.adapter = rvAdapter

        rv.layoutManager = GridLayoutManager(this, 2)

        val database = Firebase.database
        val myBookmarkRef = database.getReference("bookmark_ref")

        Log.e("BookmarkActivity sss", " entry ....................0")
        myBookmarkRef
            .child(auth.currentUser?.uid.toString())
            .addValueEventListener(object : ValueEventListener{
                override fun onDataChange(snapshot: DataSnapshot) {
                    Log.e("BookmarkActivity sss", " entry ....................1")
                    for (dataModel in snapshot.children) {
                        Log.d("Datamodel", dataModel.toString())
                        contentsModels.add(dataModel.getValue(ContentsModel::class.java)!!)

                    }
                    Log.e("BookmarkActivity sss", " entry ....................2")
                    rvAdapter.notifyDataSetChanged()


                }

                override fun onCancelled(error: DatabaseError) {
                    Log.e("Bookmark", "dbError")
                }

            })
        Log.e("BookmarkActivity sss", " entry ....................99")

    }
}

---------------------------------------
package kr.co.soncampus.mymango

data class ContentsModel (
    val id : Int,
    val url : String = "",
    val imageUrl : String,
    val titleText : String = ""
)
------------------------------------------

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