편집 기록

MainActivity.java

package com.example.layout;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".MainActivity"
    >

    <LinearLayout

        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:weightSum="2">


        <TextView
            android:paddingTop="5dp"
            android:paddingBottom="5dp"
            android:gravity="center"
            android:textSize="20dp"
            android:layout_weight="1"
            android:text="Timeline"
            android:layout_width="0dp"
            android:layout_height="wrap_content"/>


        <TextView
            android:paddingTop="5dp"
            android:paddingBottom="5dp"
            android:gravity="center"
            android:textSize="20dp"
            android:layout_weight="1"
            android:text="Untitle"
            android:layout_width="0dp"
            android:layout_height="wrap_content"/>

    </LinearLayout>

    <view
        android:layout_width="match_parent"
        android:layout_height="5px"
        android:background="#000000"/>
    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">
            <include layout="@layout/item_post"/>
            <include layout="@layout/item_post"/>

        </LinearLayout>
    </ScrollView>


</LinearLayout>

item_post.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical">

        <ImageView
            android:layout_width="match_parent"
            android:layout_height="400dp"
            android:src="@drawable/ua2"
            android:scaleType="centerCrop"
            />
        <RelativeLayout
            android:paddingBottom="10dp"
            android:paddingTop="10dp"
            android:paddingRight="15dp"
            android:paddingLeft="15dp"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">
            <ImageView
                android:layout_marginRight="15dp"
                android:id="@+id/iv_like"
                android:layout_width="40dp"
                android:layout_height="40dp"
                android:src="@drawable/heart"
                android:scaleType="fitEnd"/>
            <TextView
                android:paddingTop="5dp"
                android:textStyle="bold"
                android:textSize="15dp"
                android:layout_toRightOf="@id/iv_like"
                android:layout_toLeftOf="@+id/iv_share"
                android:layout_width="wrap_content"
                android:layout_centerVertical="true"
                android:layout_height="wrap_content"
                android:lines="1"
                android:text="1323"/>

            <ImageView
                android:id="@+id/iv_share"
                android:layout_width="40dp"
                android:layout_height="40dp"
                android:layout_alignParentRight="true"
                android:layout_marginLeft="200dp"
                android:scaleType="centerCrop"
                android:src="@drawable/share"/>

        </RelativeLayout>
    <view
        android:layout_width="match_parent"
        android:layout_height="3px"
        android:background="#000000"/>
    <RelativeLayout
        android:padding="15dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <TextView
            android:textSize="18dp"
            android:lines="1"
            android:maxLength="10"
            android:paddingLeft="14dp"
            android:id="@+id/iv_kei"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="KeiUa_"/>
        <TextView
            android:lines="1"
            android:layout_alignParentRight="true"
            android:layout_marginLeft="25dp"
            android:textSize="18dp"
            android:layout_toRightOf="@id/iv_kei"
            android:text="유아는 오늘도 이쁨 :)"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"/>

    </RelativeLayout>


</LinearLayout>    

logcat
2020-01-21 22:13:13.027 7001-7001/? I/.example.layou: Not late-enabling -Xcheck:jni (already on)
2020-01-21 22:13:13.044 7001-7001/? E/.example.layou: Unknown bits set in runtime_flags: 0x8000
2020-01-21 22:13:13.045 7001-7001/? W/.example.layou: Unexpected CPU variant for X86 using defaults: x86
2020-01-21 22:13:13.427 7001-7037/com.example.layout D/libEGL: Emulator has host GPU support, qemu.gles is set to 1.
2020-01-21 22:13:13.427 7001-7037/com.example.layout W/libc: Unable to set property "qemu.gles" to "1": connection failed; errno=13 (Permission denied)
2020-01-21 22:13:13.420 7001-7001/com.example.layout W/RenderThread: type=1400 audit(0.0:38): avc: denied { write } for name="property_service" dev="tmpfs" ino=8396 scontext=u:r:untrusted_app:s0:c135,c256,c512,c768 tcontext=u:object_r:property_socket:s0 tclass=sock_file permissive=0 app=com.example.layout
2020-01-21 22:13:13.501 7001-7037/com.example.layout D/libEGL: loaded /vendor/lib/egl/libEGL_emulation.so
2020-01-21 22:13:13.506 7001-7037/com.example.layout D/libEGL: loaded /vendor/lib/egl/libGLESv1_CM_emulation.so
2020-01-21 22:13:13.513 7001-7037/com.example.layout D/libEGL: loaded /vendor/lib/egl/libGLESv2_emulation.so
2020-01-21 22:13:13.566 7001-7001/com.example.layout W/.example.layou: Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (greylist, reflection, allowed)
2020-01-21 22:13:13.567 7001-7001/com.example.layout W/.example.layou: Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (greylist, reflection, allowed)
2020-01-21 22:13:13.578 7001-7001/com.example.layout D/AndroidRuntime: Shutting down VM
2020-01-21 22:13:13.580 7001-7001/com.example.layout E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.layout, PID: 7001
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.layout/com.example.layout.MainActivity}: android.view.InflateException: Binary XML file line #42 in com.example.layout:layout/activity_main: Binary XML file line #42 in com.example.layout:layout/activity_main: Error inflating class null
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3270)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
        at android.os.Handler.dispatchMessage(Handler.java:107)
        at android.os.Looper.loop(Looper.java:214)
        at android.app.ActivityThread.main(ActivityThread.java:7356)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
     Caused by: android.view.InflateException: Binary XML file line #42 in com.example.layout:layout/activity_main: Binary XML file line #42 in com.example.layout:layout/activity_main: Error inflating class null
     Caused by: android.view.InflateException: Binary XML file line #42 in com.example.layout:layout/activity_main: Error inflating class null
     Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
        at android.view.LayoutInflater.tryCreateView(LayoutInflater.java:1054)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:997)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:961)
        at android.view.LayoutInflater.rInflate(LayoutInflater.java:1123)
        at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1084)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:682)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:534)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:481)
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555)
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161)
        at com.example.layout.MainActivity.onCreate(MainActivity.java:12)
        at android.app.Activity.performCreate(Activity.java:7802)
        at android.app.Activity.performCreate(Activity.java:7791)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1299)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3245)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
        at android.os.Handler.dispatchMessage(Handler.java:107)
        at android.os.Looper.loop(Looper.java:214)
        at android.app.ActivityThread.main(ActivityThread.java:7356)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)

MainActivity.java package com.example.layout;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
}

}

activity_main.xml <?xml version="1.0" encoding="utf-8"?>

<LinearLayout

    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal"
    android:weightSum="2">


    <TextView
        android:paddingTop="5dp"
        android:paddingBottom="5dp"
        android:gravity="center"
        android:textSize="20dp"
        android:layout_weight="1"
        android:text="Timeline"
        android:layout_width="0dp"
        android:layout_height="wrap_content"/>


    <TextView
        android:paddingTop="5dp"
        android:paddingBottom="5dp"
        android:gravity="center"
        android:textSize="20dp"
        android:layout_weight="1"
        android:text="Untitle"
        android:layout_width="0dp"
        android:layout_height="wrap_content"/>

</LinearLayout>

<view
    android:layout_width="match_parent"
    android:layout_height="5px"
    android:background="#000000"/>
<ScrollView
    android:layout_width="match_parent"
    android:layout_height="match_parent">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">
        <include layout="@layout/item_post"/>
        <include layout="@layout/item_post"/>

    </LinearLayout>
</ScrollView>

item_post.xml <?xml version="1.0" encoding="utf-8"?>

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="400dp"
        android:src="@drawable/ua2"
        android:scaleType="centerCrop"
        />
    <RelativeLayout
        android:paddingBottom="10dp"
        android:paddingTop="10dp"
        android:paddingRight="15dp"
        android:paddingLeft="15dp"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <ImageView
            android:layout_marginRight="15dp"
            android:id="@+id/iv_like"
            android:layout_width="40dp"
            android:layout_height="40dp"
            android:src="@drawable/heart"
            android:scaleType="fitEnd"/>
        <TextView
            android:paddingTop="5dp"
            android:textStyle="bold"
            android:textSize="15dp"
            android:layout_toRightOf="@id/iv_like"
            android:layout_toLeftOf="@+id/iv_share"
            android:layout_width="wrap_content"
            android:layout_centerVertical="true"
            android:layout_height="wrap_content"
            android:lines="1"
            android:text="1323"/>

        <ImageView
            android:id="@+id/iv_share"
            android:layout_width="40dp"
            android:layout_height="40dp"
            android:layout_alignParentRight="true"
            android:layout_marginLeft="200dp"
            android:scaleType="centerCrop"
            android:src="@drawable/share"/>

    </RelativeLayout>
<view
    android:layout_width="match_parent"
    android:layout_height="3px"
    android:background="#000000"/>
<RelativeLayout
    android:padding="15dp"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">
    <TextView
        android:textSize="18dp"
        android:lines="1"
        android:maxLength="10"
        android:paddingLeft="14dp"
        android:id="@+id/iv_kei"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="KeiUa_"/>
    <TextView
        android:lines="1"
        android:layout_alignParentRight="true"
        android:layout_marginLeft="25dp"
        android:textSize="18dp"
        android:layout_toRightOf="@id/iv_kei"
        android:text="유아는 오늘도 이쁨 :)"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>

</RelativeLayout>

logcat 2020-01-21 22:13:13.027 7001-7001/? I/.example.layou: Not late-enabling -Xcheck:jni (already on) 2020-01-21 22:13:13.044 7001-7001/? E/.example.layou: Unknown bits set in runtime_flags: 0x8000 2020-01-21 22:13:13.045 7001-7001/? W/.example.layou: Unexpected CPU variant for X86 using defaults: x86 2020-01-21 22:13:13.427 7001-7037/com.example.layout D/libEGL: Emulator has host GPU support, qemu.gles is set to 1. 2020-01-21 22:13:13.427 7001-7037/com.example.layout W/libc: Unable to set property "qemu.gles" to "1": connection failed; errno=13 (Permission denied) 2020-01-21 22:13:13.420 7001-7001/com.example.layout W/RenderThread: type=1400 audit(0.0:38): avc: denied { write } for name="property_service" dev="tmpfs" ino=8396 scontext=u:r:untrusted_app:s0:c135,c256,c512,c768 tcontext=u:object_r:property_socket:s0 tclass=sock_file permissive=0 app=com.example.layout 2020-01-21 22:13:13.501 7001-7037/com.example.layout D/libEGL: loaded /vendor/lib/egl/libEGL_emulation.so 2020-01-21 22:13:13.506 7001-7037/com.example.layout D/libEGL: loaded /vendor/lib/egl/libGLESv1_CM_emulation.so 2020-01-21 22:13:13.513 7001-7037/com.example.layout D/libEGL: loaded /vendor/lib/egl/libGLESv2_emulation.so 2020-01-21 22:13:13.566 7001-7001/com.example.layout W/.example.layou: Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (greylist, reflection, allowed) 2020-01-21 22:13:13.567 7001-7001/com.example.layout W/.example.layou: Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (greylist, reflection, allowed) 2020-01-21 22:13:13.578 7001-7001/com.example.layout D/AndroidRuntime: Shutting down VM 2020-01-21 22:13:13.580 7001-7001/com.example.layout E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.layout, PID: 7001 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.layout/com.example.layout.MainActivity}: android.view.InflateException: Binary XML file line #42 in com.example.layout:layout/activity_main: Binary XML file line #42 in com.example.layout:layout/activity_main: Error inflating class null at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3270) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7356) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930) Caused by: android.view.InflateException: Binary XML file line #42 in com.example.layout:layout/activity_main: Binary XML file line #42 in com.example.layout:layout/activity_main: Error inflating class null Caused by: android.view.InflateException: Binary XML file line #42 in com.example.layout:layout/activity_main: Error inflating class null Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference at android.view.LayoutInflater.tryCreateView(LayoutInflater.java:1054) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:997) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:961) at android.view.LayoutInflater.rInflate(LayoutInflater.java:1123) at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:1084) at android.view.LayoutInflater.inflate(LayoutInflater.java:682) at android.view.LayoutInflater.inflate(LayoutInflater.java:534) at android.view.LayoutInflater.inflate(LayoutInflater.java:481) at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555) at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161) at com.example.layout.MainActivity.onCreate(MainActivity.java:12) at android.app.Activity.performCreate(Activity.java:7802) at android.app.Activity.performCreate(Activity.java:7791) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1299) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3245) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409) at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83) at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135) at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016) at android.os.Handler.dispatchMessage(Handler.java:107) at android.os.Looper.loop(Looper.java:214) at android.app.ActivityThread.main(ActivityThread.java:7356) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)