Android 应用程序在移动到下一个活动时崩溃
我不明白是什么问题该应用程序运行良好,但现在它一次又一次崩溃,请抽出一些时间来帮助我 logcatAndroid 应用程序在移动到下一个活动时崩溃,android,Android,我不明白是什么问题该应用程序运行良好,但现在它一次又一次崩溃,请抽出一些时间来帮助我 logcat 2020-04-23 03:16:58.315 23244-23244/com.studenthelper.bscithelp E/AndroidRuntime: FATAL EXCEPTION: main Process: com.studenthelper.bscithelp, PID: 23244 java.lang.RuntimeException: Unable to st
2020-04-23 03:16:58.315 23244-23244/com.studenthelper.bscithelp E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.studenthelper.bscithelp, PID: 23244
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.studenthelper.bscithelp/com.studenthelper.bscithelp.login}: android.view.InflateException: Binary XML file line #45: Binary XML file line #45: Error inflating class com.google.android.material.textfield.TextInputLayout
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2914)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3049)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1809)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6692)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: android.view.InflateException: Binary XML file line #45: Binary XML file line #45: Error inflating class com.google.android.material.textfield.TextInputLayout
Caused by: android.view.InflateException: Binary XML file line #45: Error inflating class com.google.android.material.textfield.TextInputLayout
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:343)
at android.view.LayoutInflater.createView(LayoutInflater.java:647)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:790)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
at android.view.LayoutInflater.inflate(LayoutInflater.java:515)
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 com.studenthelper.bscithelp.login.onCreate(login.java:41)
at android.app.Activity.performCreate(Activity.java:7140)
at android.app.Activity.performCreate(Activity.java:7131)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1272)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2894)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3049)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1809)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6692)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: java.lang.IllegalArgumentException: The style on this component requires your app theme to be Theme.MaterialComponents (or a descendant).
at com.google.android.material.internal.ThemeEnforcement.checkTheme(ThemeEnforcement.java:248)
2020-04-23 03:16:58.316 23244-23244/com.studenthelper.bscithelp E/AndroidRuntime: at com.google.android.material.internal.ThemeEnforcement.checkMaterialTheme(ThemeEnforcement.java:222)
at com.google.android.material.internal.ThemeEnforcement.checkCompatibleTheme(ThemeEnforcement.java:150)
at com.google.android.material.internal.ThemeEnforcement.obtainTintedStyledAttributes(ThemeEnforcement.java:120)
at com.google.android.material.textfield.TextInputLayout.<init>(TextInputLayout.java:424)
at com.google.android.material.textfield.TextInputLayout.<init>(TextInputLayout.java:396)
... 30 more
2020-04-23 03:16:58.315 23244-23244/com.studenthelper.bscithelp E/AndroidRuntime:致命异常:main
进程:com.studenthelper.bscithelp,PID:23244
java.lang.RuntimeException:无法启动活动组件信息{com.studenthelper.bscithelp/com.studenthelper.bscithelp.login}:android.view.InflateException:二进制XML文件行#45:二进制XML文件行#45:膨胀类com.google.android.material.textfield.TextInputLayout时出错
在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2914)上
在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3049)上
在android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
在android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)中
在android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)中
在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1809)上
位于android.os.Handler.dispatchMessage(Handler.java:106)
位于android.os.Looper.loop(Looper.java:193)
位于android.app.ActivityThread.main(ActivityThread.java:6692)
位于java.lang.reflect.Method.invoke(本机方法)
位于com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
原因:android.view.InflateException:二进制XML文件行#45:二进制XML文件行#45:膨胀类com.google.android.material.textfield.TextInputLayout时出错
原因:android.view.InflateException:二进制XML文件行#45:膨胀类com.google.android.material.textfield.TextInputLayout时出错
原因:java.lang.reflect.InvocationTargetException
位于java.lang.reflect.Constructor.newInstance0(本机方法)
位于java.lang.reflect.Constructor.newInstance(Constructor.java:343)
位于android.view.LayoutInflater.createView(LayoutInflater.java:647)
位于android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:790)
位于android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:730)
位于android.view.LayoutInflater.rInflate(LayoutInflater.java:863)
位于android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
位于android.view.LayoutInflater.rInflate(LayoutInflater.java:866)
位于android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:824)
在android.view.LayoutInflater.充气(LayoutInflater.java:515)
在android.view.LayoutInflater.充气(LayoutInflater.java:423)
在android.view.LayoutInflater.inflate(LayoutInflater.java:374)
位于androidx.appcompat.app.appcompatedelegateimpl.setContentView(appcompatedelegateimpl.java:555)
位于androidx.appcompat.app.AppCompatActivity.setContentView(AppCompatActivity.java:161)
位于com.studenthelper.bscithelp.login.onCreate(login.java:41)
位于android.app.Activity.performCreate(Activity.java:7140)
位于android.app.Activity.performCreate(Activity.java:7131)
位于android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1272)
在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2894)上
在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3049)上
在android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
在android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)中
在android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)中
在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1809)上
位于android.os.Handler.dispatchMessage(Handler.java:106)
位于android.os.Looper.loop(Looper.java:193)
位于android.app.ActivityThread.main(ActivityThread.java:6692)
位于java.lang.reflect.Method.invoke(本机方法)
位于com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
原因:java.lang.IllegalArgumentException:此组件上的样式要求应用程序主题为theme.MaterialComponents(或其后代)。
在com.google.android.material.internal.ThemeEnforcement.checkTheme(ThemeEnforcement.java:248)上
2020-04-23 03:16:58.316 23244-23244/com.studenthelper.bscithelpe/AndroidRuntime:com.google.android.material.internal.ThemeEnforcement.checkMaterialTheme(ThemeEnforcement.java:222)
位于com.google.android.material.internal.ThemeEnforcement.checkCompatibleTheme(ThemeEnforcement.java:150)
在com.google.android.material.internal.ThemeEnforcement.obtainTintedStyledAttributes上(ThemeEnforcement.java:120)
位于com.google.android.material.textfield.TextInputLayout.(TextInputLayout.java:424)
位于com.google.android.material.textfield.TextInputLayout.(TextInputLayout.java:396)
... 30多
XML
正如您在logcat中看到的,有: 此组件上的样式要求应用程序主题为theme.MaterialComponents(或其后代)
因此,您必须使用MaterialComponents而不是AppCompat您尝试使用的是
TextInputLayout
。如果您查看与此元素捆绑在一起的包名,它是com.google.android.material.textfield.TextInputLayout
。上面写着材质
,在安卓系统中是指新的材质设计库。如果你想使用这个库中的任何元素,你必须让你的android应用程序的基本风格实现这一点
解决方案
转到app->res->values->style.xml
您需要将基本应用程序主题的父级更改为以下内容:
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.MaterialComponents.DayNight">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
</resources>
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.MaterialComponents.DayNight">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
</resources>
implementation 'com.google.android.material:material:x.y.z'