AS虚拟机真机一跑就闪退

日志如下

2021-04-23 10:24:21.939 8746-8746/com.example.a6_5 E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.a6_5, PID: 8746
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.a6_5/com.example.a6_5.MainActivity}: android.view.InflateException: Binary XML file line #2 in com.example.a6_5:layout/activity_main: Binary XML file line #2 in com.example.a6_5:layout/activity_main: Error inflating class LinearLayoutLayout
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3449)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:223)
        at android.app.ActivityThread.main(ActivityThread.java:7656)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
     Caused by: android.view.InflateException: Binary XML file line #2 in com.example.a6_5:layout/activity_main: Binary XML file line #2 in com.example.a6_5:layout/activity_main: Error inflating class LinearLayoutLayout
     Caused by: android.view.InflateException: Binary XML file line #2 in com.example.a6_5:layout/activity_main: Error inflating class LinearLayoutLayout
     Caused by: java.lang.ClassNotFoundException: android.view.LinearLayoutLayout
        at java.lang.Class.classForName(Native Method)
        at java.lang.Class.forName(Class.java:454)
        at android.view.LayoutInflater.createView(LayoutInflater.java:813)
        at android.view.LayoutInflater.createView(LayoutInflater.java:774)
        at android.view.LayoutInflater.onCreateView(LayoutInflater.java:911)
        at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:68)
        at android.view.LayoutInflater.onCreateView(LayoutInflater.java:928)
        at android.view.LayoutInflater.onCreateView(LayoutInflater.java:948)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:1002)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:959)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:657)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:532)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:479)
        at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555)
        at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161)
        at com.example.a6_5.MainActivity.onCreate(MainActivity.java:27)
        at android.app.Activity.performCreate(Activity.java:8000)
        at android.app.Activity.performCreate(Activity.java:7984)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1309)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3422)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3601)
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:85)
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2066)
        at android.os.Handler.dispatchMessage(Handler.java:106)
        at android.os.Looper.loop(Looper.java:223)
        at android.app.ActivityThread.main(ActivityThread.java:7656)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947)
2021-04-23 10:24:21.939 8746-8746/com.example.a6_5 E/AndroidRuntime: Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.LinearLayoutLayout" on path: DexPathList[[zip file "/data/app/~~OfrWTmg8pNr73IQ9sJ0qog==/com.example.a6_5-gEmUVEW2FUmRu0ZfKrxMag==/base.apk"],nativeLibraryDirectories=[/data/app/~~OfrWTmg8pNr73IQ9sJ0qog==/com.example.a6_5-gEmUVEW2FUmRu0ZfKrxMag==/lib/x86, /system/lib, /system_ext/lib]]
        at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:207)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:379)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:312)
            ... 31 more

检查下你的XML布局文件,是不是有什么东西写错了

 

 

安卓的 xml 文件布局优点是声明式编程、可视化等,缺点就是编译检查太弱,太容易出现 InflateException。

一般这种 InflateException 错误都是 xml 文件中的某个控件的路径、属性错误导致的,当然也不排除一些匪夷所思问题比如:https://blog.csdn.net/zhaizu/article/details/106380880?spm=1001.2014.3001.5501

根据堆栈报错,应该是 activity_main.xml 里面的第2行 LinearLayout 被误写成了 LinearLayoutLayout