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Question

어플을 만들고 있는데 기능 구현은 다 해논 상태에서 UI를 꾸미려고 하는 도중 이미지뷰를 이용해서 백그라운드에 이미지를 설정하는데 이미지를 설정한 다음부터 메인 스레드가 많은 일을 하고 있다고 나오고 렌더링 에러가 나는 것 같습니다. 다음은 코드와 에러입니다.

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.naxesa.slowly.SignInActivity">

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="fitXY"
        android:src="@drawable/background"
        android:tint="#80000000" />

    <TextView
        android:id="@+id/title"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_marginTop="120dp"
        android:gravity="center_horizontal"
        android:text="Slowly"
        android:textColor="@android:color/white"
        android:textSize="48dp" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_margin="16dp"
        android:gravity="center"
        android:orientation="vertical">

        <com.github.florent37.materialtextfield.MaterialTextField
            android:layout_width="300dp"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
            app:mtf_image="@drawable/ic_mail_black_24dp">

            <EditText
                android:id="@+id/edit_text_email"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Email"
                android:inputType="textEmailAddress"
                android:textColor="#333"
                android:textColorHint="#666"
                android:textSize="15sp" />
        </com.github.florent37.materialtextfield.MaterialTextField>

        <com.github.florent37.materialtextfield.MaterialTextField
            android:layout_width="300dp"
            android:layout_height="wrap_content"
            android:layout_gravity="center_horizontal"
            android:layout_marginTop="16dp"
            app:mtf_image="@drawable/ic_https_black_24dp">

            <EditText
                android:id="@+id/edit_text_password"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="Password"
                android:inputType="textPassword"
                android:textColor="#333"
                android:textColorHint="#666"
                android:textSize="15sp" />
        </com.github.florent37.materialtextfield.MaterialTextField>
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_margin="16dp"
        android:orientation="horizontal">

        <Button
            android:id="@+id/button_sign_in"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="32dp"
            android:layout_weight="1"
            android:background="@null"
            android:text="SignIn"
            android:textAllCaps="false"
            android:textColor="@android:color/white" />

        <Button
            android:id="@+id/button_sign_up"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="32dp"
            android:layout_weight="1"
            android:background="@null"
            android:text="SignUp"
            android:textAllCaps="false"
            android:textColor="@android:color/white" />

        <Button
            android:id="@+id/button_forgot_password"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="32dp"
            android:layout_weight="1"
            android:background="@null"
            android:text="ForgotPassword"
            android:textAllCaps="false"
            android:textColor="@android:color/white" />
    </LinearLayout>
</RelativeLayout>

 

ClassLoader.loadClass: The class loader returned by Thread.getContextClassLoader() may fail for processes that host multiple applications.

 

Skipped 34 frames!  The application may be doing too much work on its main thread.