i use photo-gallery-vue demo try run api >=28 is ok.but run api26(Android8.0) white screen will appear.
run log:
03/20 11:36:52: Launching 'app' on Pixel 2 API 26.
Install successfully finished in 1 s 398 ms.
$ adb shell am start -n "io.ionic.starter/io.ionic.starter.MainActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Connected to process 6894 on device 'Pixel_2_API_26 [emulator-5554]'.
Capturing and displaying logcat messages from application. This behavior can be disabled in the "Logcat output" section of the "Debugger" settings page.
W/ResourceType: Invalid package identifier when getting bag for resource number 0x00000000
I/zygote: Rejecting re-init on previously-failed class java.lang.Class<androidx.core.view.ViewCompat$2>: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/view/View$OnUnhandledKeyEventListener;
I/zygote: at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2463)
I/zygote: at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:938)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:806)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:693)
I/zygote: at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:170)
I/zygote: at void com.getcapacitor.BridgeActivity.onCreate(android.os.Bundle) (BridgeActivity.java:28)
I/zygote: at void io.ionic.starter.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:18)
I/zygote: at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6975)
I/zygote: at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1213)
I/zygote: at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2770)
I/zygote: at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2892)
I/zygote: at void android.app.ActivityThread.-wrap11(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
I/zygote: at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1593)
I/zygote: at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:105)
I/zygote: at void android.os.Looper.loop() (Looper.java:164)
I/zygote: at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6541)
I/zygote: at java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) (Method.java:-2)
I/zygote: at void com.android.internal.os.Zygote$MethodAndArgsCaller.run() (Zygote.java:240)
I/zygote: at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:767)
I/zygote: Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.View$OnUnhandledKeyEventListener" on path: DexPathList[[zip file "/data/app/io.ionic.starter-iLPS1-N9juDY3z8yV6GQhw==/base.apk"],nativeLibraryDirectories=[/data/app/io.ionic.starter-iLPS1-N9juDY3z8yV6GQhw==/lib/x86, /system/lib, /vendor/lib]]
I/zygote: at java.lang.Class dalvik.system.BaseDexClassLoader.findClass(java.lang.String) (BaseDexClassLoader.java:93)
I/zygote: at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String, boolean) (ClassLoader.java:379)
I/zygote: at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String) (ClassLoader.java:312)
I/zygote: at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2463)
I/zygote: at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:938)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:806)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:693)
I/zygote: at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:170)
I/zygote: at void com.getcapacitor.BridgeActivity.onCreate(android.os.Bundle) (BridgeActivity.java:28)
I/zygote: at void io.ionic.starter.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:18)
I/zygote: at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6975)
I/zygote: at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1213)
I/zygote: at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2770)
I/zygote: at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2892)
I/zygote: at void android.app.ActivityThread.-wrap11(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
I/zygote: at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1593)
I/zygote: at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:105)
I/zygote: at void android.os.Looper.loop() (Looper.java:164)
I/zygote: at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6541)
I/zygote: at java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) (Method.java:-2)
I/zygote: at void com.android.internal.os.Zygote$MethodAndArgsCaller.run() (Zygote.java:240)
I/zygote: at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:767)
I/zygote:
I/zygote: Rejecting re-init on previously-failed class java.lang.Class<androidx.core.view.ViewCompat$2>: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/view/View$OnUnhandledKeyEventListener;
I/zygote: at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2463)
I/zygote: at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:938)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:806)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:693)
I/zygote: at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:170)
I/zygote: at void com.getcapacitor.BridgeActivity.onCreate(android.os.Bundle) (BridgeActivity.java:28)
I/zygote: at void io.ionic.starter.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:18)
I/zygote: at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6975)
I/zygote: at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1213)
I/zygote: at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2770)
I/zygote: at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2892)
I/zygote: at void android.app.ActivityThread.-wrap11(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
I/zygote: at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1593)
I/zygote: at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:105)
I/zygote: at void android.os.Looper.loop() (Looper.java:164)
I/zygote: at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6541)
I/zygote: at java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) (Method.java:-2)
I/zygote: at void com.android.internal.os.Zygote$MethodAndArgsCaller.run() (Zygote.java:240)
I/zygote: at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:767)
I/zygote: Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.View$OnUnhandledKeyEventListener" on path: DexPathList[[zip file "/data/app/io.ionic.starter-iLPS1-N9juDY3z8yV6GQhw==/base.apk"],nativeLibraryDirectories=[/data/app/io.ionic.starter-iLPS1-N9juDY3z8yV6GQhw==/lib/x86, /system/lib, /vendor/lib]]
I/zygote: at java.lang.Class dalvik.system.BaseDexClassLoader.findClass(java.lang.String) (BaseDexClassLoader.java:93)
I/zygote: at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String, boolean) (ClassLoader.java:379)
I/zygote: at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String) (ClassLoader.java:312)
I/zygote: at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2463)
I/zygote: at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:938)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:806)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:693)
I/zygote: at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:170)
I/zygote: at void com.getcapacitor.BridgeActivity.onCreate(android.os.Bundle) (BridgeActivity.java:28)
I/zygote: at void io.ionic.starter.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:18)
I/zygote: at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6975)
I/zygote: at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1213)
I/zygote: at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2770)
I/zygote: at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2892)
I/zygote: at void android.app.ActivityThread.-wrap11(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
I/zygote: at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1593)
I/zygote: at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:105)
I/zygote: at void android.os.Looper.loop() (Looper.java:164)
I/zygote: at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6541)
I/zygote: at java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) (Method.java:-2)
I/zygote: at void com.android.internal.os.Zygote$MethodAndArgsCaller.run() (Zygote.java:240)
I/zygote: at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:767)
I/zygote:
I/zygote: Rejecting re-init on previously-failed class java.lang.Class<androidx.core.view.ViewCompat$2>: java.lang.NoClassDefFoundError: Failed resolution of: Landroid/view/View$OnUnhandledKeyEventListener;
I/zygote: at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2463)
I/zygote: at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:938)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:806)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:693)
I/zygote: at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:170)
I/zygote: at void com.getcapacitor.BridgeActivity.onCreate(android.os.Bundle) (BridgeActivity.java:28)
I/zygote: at void io.ionic.starter.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:18)
I/zygote: at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6975)
I/zygote: at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1213)
I/zygote: at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2770)
I/zygote: at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2892)
I/zygote: at void android.app.ActivityThread.-wrap11(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
I/zygote: at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1593)
I/zygote: at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:105)
I/zygote: at void android.os.Looper.loop() (Looper.java:164)
I/zygote: at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6541)
I/zygote: at java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) (Method.java:-2)
I/zygote: at void com.android.internal.os.Zygote$MethodAndArgsCaller.run() (Zygote.java:240)
I/zygote: at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:767)
I/zygote: Caused by: java.lang.ClassNotFoundException: Didn't find class "android.view.View$OnUnhandledKeyEventListener" on path: DexPathList[[zip file "/data/app/io.ionic.starter-iLPS1-N9juDY3z8yV6GQhw==/base.apk"],nativeLibraryDirectories=[/data/app/io.ionic.starter-iLPS1-N9juDY3z8yV6GQhw==/lib/x86, /system/lib, /vendor/lib]]
I/zygote: at java.lang.Class dalvik.system.BaseDexClassLoader.findClass(java.lang.String) (BaseDexClassLoader.java:93)
I/zygote: at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String, boolean) (ClassLoader.java:379)
I/zygote: at java.lang.Class java.lang.ClassLoader.loadClass(java.lang.String) (ClassLoader.java:312)
I/zygote: at void androidx.core.view.ViewCompat.setOnApplyWindowInsetsListener(android.view.View, androidx.core.view.OnApplyWindowInsetsListener) (ViewCompat.java:2463)
I/zygote: at android.view.ViewGroup androidx.appcompat.app.AppCompatDelegateImpl.createSubDecor() (AppCompatDelegateImpl.java:938)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.ensureSubDecor() (AppCompatDelegateImpl.java:806)
I/zygote: at void androidx.appcompat.app.AppCompatDelegateImpl.setContentView(int) (AppCompatDelegateImpl.java:693)
I/zygote: at void androidx.appcompat.app.AppCompatActivity.setContentView(int) (AppCompatActivity.java:170)
I/zygote: at void com.getcapacitor.BridgeActivity.onCreate(android.os.Bundle) (BridgeActivity.java:28)
I/zygote: at void io.ionic.starter.MainActivity.onCreate(android.os.Bundle) (MainActivity.java:18)
I/zygote: at void android.app.Activity.performCreate(android.os.Bundle) (Activity.java:6975)
I/zygote: at void android.app.Instrumentation.callActivityOnCreate(android.app.Activity, android.os.Bundle) (Instrumentation.java:1213)
I/zygote: at android.app.Activity android.app.ActivityThread.performLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent) (ActivityThread.java:2770)
I/zygote: at void android.app.ActivityThread.handleLaunchActivity(android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:2892)
I/zygote: at void android.app.ActivityThread.-wrap11(android.app.ActivityThread, android.app.ActivityThread$ActivityClientRecord, android.content.Intent, java.lang.String) (ActivityThread.java:-1)
I/zygote: at void android.app.ActivityThread$H.handleMessage(android.os.Message) (ActivityThread.java:1593)
I/zygote: at void android.os.Handler.dispatchMessage(android.os.Message) (Handler.java:105)
I/zygote: at void android.os.Looper.loop() (Looper.java:164)
I/zygote: at void android.app.ActivityThread.main(java.lang.String[]) (ActivityThread.java:6541)
I/zygote: at java.lang.Object java.lang.reflect.Method.invoke(java.lang.Object, java.lang.Object[]) (Method.java:-2)
I/zygote: at void com.android.internal.os.Zygote$MethodAndArgsCaller.run() (Zygote.java:240)
I/zygote: at void com.android.internal.os.ZygoteInit.main(java.lang.String[]) (ZygoteInit.java:767)
I/zygote:
I/WebViewFactory: Loading com.android.chrome version 58.0.3029.125 (code 303012512)
I/cr_LibraryLoader: Time to load native libraries: 2 ms (timestamps 5278-5280)