報錯信息如下:

05/21 10:18:21: Launching app $ adb push D:\android install files\jishi\app\build\outputs\apk\debug\app-debug.apk /data/local/tmp/cn.itcast.jishi $ adb shell pm install -t -r "/data/local/tmp/cn.itcast.jishi"pkg: /data/local/tmp/cn.itcast.jishi Success APK installed in 7 s 133 ms $ adb shell am start -n "cn.itcast.jishi/cn.itcast.jishi.EightActivity01" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER Client not ready yet..Connected to process 9052 on device oppo-oppo_r9sk-20f56a30 Capturing and displaying logcat messages from application. This behavior can be disabled in the "Logcat output" section of the "Debugger" settings page. W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter androidx.vectordrawable.graphics.drawable.VectorDrawableCompat.updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in android.graphics.drawable.Drawable I/art: Rejecting re-init on previously-failed class java.lang.Class<androidx.core.view.ViewCompat$2> I/art: Rejecting re-init on previously-failed class java.lang.Class<androidx.core.view.ViewCompat$2> W/ResourceType: Failure getting entry for 0x7f060057 (t=5 e=87) (error -75) D/AndroidRuntime: Shutting down VM E/AndroidRuntime: FATAL EXCEPTION: mainProcess: cn.itcast.jishi, PID: 9052java.lang.RuntimeException: Unable to start activity ComponentInfo{cn.itcast.jishi/cn.itcast.jishi.EightActivity01}: android.view.InflateException: Binary XML file line #2: Binary XML file line #2: Error inflating class <unknown>at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2566)at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2626)at android.app.ActivityThread.access$1100(ActivityThread.java:170)at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1494)at android.os.Handler.dispatchMessage(Handler.java:102)at android.os.Looper.loop(Looper.java:179)at android.app.ActivityThread.main(ActivityThread.java:5769)at java.lang.reflect.Method.invoke(Native Method)at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:674)Caused by: android.view.InflateException: Binary XML file line #2: Binary XML file line #2: Error inflating class <unknown>at android.view.LayoutInflater.inflate(LayoutInflater.java:539)at android.view.LayoutInflater.inflate(LayoutInflater.java:423)at android.view.LayoutInflater.inflate(LayoutInflater.java:374)at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555)at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161)at cn.itcast.jishi.EightActivity01.onCreate(EightActivity01.java:17)at android.app.Activity.performCreate(Activity.java:6497)at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108)at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2519)at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2626) at android.app.ActivityThread.access$1100(ActivityThread.java:170) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1494) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:179) at android.app.ActivityThread.main(ActivityThread.java:5769) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:674) Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class <unknown>at android.view.LayoutInflater.createView(LayoutInflater.java:645)at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58)at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694)at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762)at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)at android.view.LayoutInflater.inflate(LayoutInflater.java:492)at android.view.LayoutInflater.inflate(LayoutInflater.java:423) at android.view.LayoutInflater.inflate(LayoutInflater.java:374) at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555) at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161) at cn.itcast.jishi.EightActivity01.onCreate(EightActivity01.java:17) at android.app.Activity.performCreate(Activity.java:6497) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2519) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2626) at android.app.ActivityThread.access$1100(ActivityThread.java:170) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1494) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:179) at android.app.ActivityThread.main(ActivityThread.java:5769) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:674) Caused by: java.lang.reflect.InvocationTargetExceptionat java.lang.reflect.Constructor.newInstance(Native Method)at android.view.LayoutInflater.createView(LayoutInflater.java:619)at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58) at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:423) at android.view.LayoutInflater.inflate(LayoutInflater.java:374) at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555) at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161) at cn.itcast.jishi.EightActivity01.onCreate(EightActivity01.java:17) at android.app.Activity.performCreate(Activity.java:6497) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2519) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2626) at android.app.ActivityThread.access$1100(ActivityThread.java:170) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1494) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:179) at android.app.ActivityThread.main(ActivityThread.java:5769) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:674) Caused by: android.content.res.Resources$NotFoundException: Resource "cn.itcast.jishi:drawable/back" (7f060057) is not a Drawable (color or path): TypedValue{t=0x1/d=0x7f060057 a=-1 r=0x7f060057}at android.content.res.Resources.loadDrawableForCookie(Resources.java:2798)at android.content.res.Resources.loadDrawable(Resources.java:2732)at android.content.res.TypedArray.getDrawable(TypedArray.java:870)at android.view.View.<init>(View.java:3973)at android.view.ViewGroup.<init>(ViewGroup.java:583)at android.widget.LinearLayout.<init>(LinearLayout.java:203)at android.widget.LinearLayout.<init>(LinearLayout.java:199)at android.widget.LinearLayout.<init>(LinearLayout.java:195)at java.lang.reflect.Constructor.newInstance(Native Method) at android.view.LayoutInflater.createView(LayoutInflater.java:619) at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58) at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762) at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) at android.view.LayoutInflater.inflate(LayoutInflater.java:492) at android.view.LayoutInflater.inflate(LayoutInflater.java:423) at android.view.LayoutInflater.inflate(LayoutInflater.java:374) at androidx.appcompat.app.AppCompatDelegateImpl.setContentView(AppCompatDelegateImpl.java:555) at androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161) at cn.itcast.jishi.EightActivity01.onCreate(EightActivity01.java:17) at android.app.Activity.performCreate(Activity.java:6497) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2519) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2626) at android.app.ActivityThread.access$1100(ActivityThread.java:170) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1494) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:179) at android.app.ActivityThread.main(ActivityThread.java:5769) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:674) Application terminated.

原因如下：

我們引入資源圖片的時候選擇成了drawable-v24
而應該選擇drawable

總結

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