报错信息： E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.edm, PID: 16919 java.lang.RuntimeException...: Unable to start activity ComponentInfo{ com.example.edm/com.example.edm.StudentActivity.TimeTable.ui.editcourse.EditActivity...com.example.edm.StudentActivity.TimeTable.ui.editcourse.EditActivity.onCreate(EditActivity.java:75) at android.app.Activity.performCreate...(Activity.java:8086) at android.app.Activity.performCreate(Activity.java:8074) at android.app.Instrumentation.callActivityOnCreate...解决方案：检查AndroidManifest.xml文件中相关Activity的theme是否为: android:theme="@style/Theme.AppCompat.Light.NoActionBar
target-platform android-arm64 编译后, 将打包完后的apk文件安装只Andriod studio自带的模拟器, 打开后直接白屏闪退, 因为我使用Vscode进行开发, 在debug模式下依旧无法查询到报错...自带的管道来实现只输出我们需要的软件输出的信息. adb Logcat | grep '包名' 在查询运行日志后, 我发现, 报错信息为 00-00 00:00:00.000 7754 7754 E AndroidRuntime: java.lang.RuntimeException...: Unable to instantiate activity ComponentInfo{cn.timemail.xsot/cn.timemai.xsot.MainActivity}: java.lang.ClassNotFoundException.../lib/arm64-v8a, /system/lib64, /system_ext/lib64]] 这里的包名也就不隐藏了, 可以看到错误信息为java.lang.RuntimeException:...Unable to instantiate activity ComponentInfo 查询过后, 发现是因为Flutter的默认包名 好像是 com.example.flutter还是什么,但是我讲其直接修改为了
问题1： java.lang.RuntimeException: Unable to start activity ComponentInfo{com.xxx.xxx/com.xxx.xx.activity.login.XXXX...: Unable to start activity ComponentInfo{com.xxx.xxx/com.xxx.xx.activity.login.XXXX}: java.lang.NullPointerException...问题2： 运行时崩溃异常如下： java.lang.RuntimeException: Unable to start activity ComponentInfo{com.xx.xx/com.xxx.xx.xx.login.xxx...最好的方法就是在需要启动相机相关界面时，检测一下设备是否存在摄像头。效果会更好一些。...: Unable to start activity ComponentInfo{com.xxx.xxx/com.xxx.xxx.activity.xx.xx}: java.lang.IllegalArgumentException
点击跳转到教程 安卓错误经验累积 1、当出现下面错误时候 08-21 03:43:16.679: E/AndroidRuntime(1087): java.lang.RuntimeException...: Unable to start activity ComponentInfo{com.example.fragment/com.example.fragment.MainActivity}: android.view.InflateException...mTabWeixin.setOnClickListener((OnClickListener) this); 这样写会报错 08-21 04:06:16.920: E/AndroidRuntime(1274): java.lang.RuntimeException...: Unable to start activity ComponentInfo{com.example.fragment/com.example.fragment.MainActivity}: java.lang.ClassCastException
E/AndroidRuntime: FATAL EXCEPTION: main Process: kim.hsl.handler, PID: 28142 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.handler/kim.hsl.handler.MainActivity}: java.lang.NullPointerException...E/AndroidRuntime: FATAL EXCEPTION: main Process: kim.hsl.handler, PID: 28142 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.handler/kim.hsl.handler.MainActivity}: java.lang.NullPointerException...: Unable to start activity ComponentInfo{kim.hsl.handler/kim.hsl.handler.MainActivity}: java.lang.NullPointerException
kim.hsl.coroutine E/AndroidRuntime: FATAL EXCEPTION: main Process: kim.hsl.coroutine, PID: 29409 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.coroutine/kim.hsl.coroutine.MainActivity}: kotlinx.coroutines.JobCancellationException...kim.hsl.coroutine E/AndroidRuntime: FATAL EXCEPTION: main Process: kim.hsl.coroutine, PID: 30105 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.coroutine/kim.hsl.coroutine.MainActivity}: kotlinx.coroutines.JobCancellationException...: Unable to start activity ComponentInfo{kim.hsl.coroutine/kim.hsl.coroutine.MainActivity}: kotlinx.coroutines.JobCancellationException
1.异常java.lang.RuntimeException: Unable to instantiate activity ComponentInfo 解决方法http://www.linuxidc.com
文章目录 一、使用 DexClassLoader 获取组件类失败报错 二、失败原因分析 一、使用 DexClassLoader 获取组件类失败报错 ---- 在上一篇博客 【Android 逆向】启动...DEX 字节码中的 Activity 组件 ( DEX 文件准备 | 拷贝资源目录下的文件到内置存储区 | 配置清单文件 | 启动 DEX 文件中的组件 | 执行结果 ) 中 , 尝试启动 DEX 字节码文件中的...Activity 组件 , 出现如下报错信息 : 2021-12-12 01:02:01.431 25158-25158/?...E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.classloader_demo, PID: 25158 java.lang.RuntimeException...: Unable to instantiate activity ComponentInfo{com.example.classloader_demo/com.example.dex_demo.MainActivity2
混淆配置中配置保留行数 ; # 保留行数 -keepattributes SourceFile,LineNumberTable 当代码混淆后 , 如果出现报错信息 , 此时报错信息全部都是被混淆过的信息, 无法从中找出可用的信息...E/AndroidRuntime: FATAL EXCEPTION: main Process: kim.hsl.handler, PID: 28142 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.handler/kim.hsl.handler.MainActivity}: java.lang.NullPointerException...Handler.java:30) at kim.hsl.handler.MainActivity.onCreate(MainActivity.kt:24) at android.app.Activity.performCreate...(Activity.java:8085) at android.app.Activity.performCreate(Activity.java:8073) at android.app.Instrumentation.callActivityOnCreate
com.example.plugin_hook E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.plugin_hook, PID: 26338 java.lang.RuntimeException...: Unable to start activity ComponentInfo{com.example.plugin_hook/com.example.plugin_hook.MainActivity...(Activity.java:7144) at android.app.Activity.performCreate(Activity.java:7135) at android.app.Instrumentation.callActivityOnCreate...> ( 该方法可能无法生效 ) 解决方案二 : 令 MainActivity 继承自 android.app.Activity ; public...class MainActivity extends Activity {
com.example.host E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.host, PID: 30481 java.lang.RuntimeException...: Unable to start activity ComponentInfo{com.example.host/com.example.host.MainActivity}: java.lang.IllegalArgumentException...195) at com.example.host.MainActivity.onCreate(MainActivity.java:21) at android.app.Activity.performCreate...(Activity.java:7144) at android.app.Activity.performCreate(Activity.java:7135) at android.app.Instrumentation.callActivityOnCreate
AndroidRuntime: FATAL EXCEPTION: main Process: com.verticalmarquee.maomao.verticalmarqueedemo, PID: 1598 java.lang.RuntimeException...: Unable to instantiate activity ComponentInfo{com.verticalmarquee.maomao.verticalmarqueedemo/com.verticalmarquee.maomao.verticalmarqueedemo.MainActivity...ZygoteInit.java:745) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:635) 我以为是自己在onCreate里面启动跑马灯动画的原因...，但细想一下，不对啊，动画至少延时2秒之后执行，一个小demo，不至于启动这么慢吧？...原因分析： 通过错误日志的堆栈信息顺藤摸瓜找到了Activity启动的位置。
4种启动模式 standard：标准模式，也是系统默认的启动模式，如果一个 Activity 的启动模式是 standard，则该 Activity 可以被多次实例化，且可以在不同的任务栈中存在。...此解决办法就是为待启动 Activity 指定 FLAG_ACTIVITY_NEW_TASK 标记位，这样启动的时候系统就会为它创建一个新的任务栈。...这个时候待启动 Activity 其实是以 singleTask 模式启动的。...启动模式的 activity。...还有一点： 无论 Activity 是在新任务栈中启动还是在相同的任务栈中启动，“返回”按钮始终会将用户带到上一个 Activity。
15:22:18.829 E/AndroidRuntime: FATAL EXCEPTION: main Process: kim.hsl.roomdemo, PID: 27608 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.roomdemo/kim.hsl.roomdemo.MainActivity}: java.lang.RuntimeException...RuntimeInit.java:586) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1204) Caused by: java.lang.RuntimeException...StudentDatabase.kt:29) at kim.hsl.roomdemo.MainActivity.onCreate(MainActivity.kt:18) at android.app.Activity.performCreate...(Activity.java:8488) at android.app.Activity.performCreate(Activity.java:8461) at android.app.Instrumentation.callActivityOnCreate
/kim.hsl.a7_zip E/AndroidRuntime: FATAL EXCEPTION: main Process: kim.hsl.a7_zip, PID: 29512 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.a7_zip/kim.hsl.a7_zip.MainActivity}: java.lang.IllegalThreadStateException...MainActivity.kt:115) at kim.hsl.a7_zip.MainActivity.onCreate(MainActivity.kt:24) at android.app.Activity.performCreate...(Activity.java:7144) at android.app.Activity.performCreate(Activity.java:7135) at android.app.Instrumentation.callActivityOnCreate
onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 java.lang.RuntimeException: Unable to start activity...ComponentInfo{com.droidyue.checkthreadsample/com.droidyue.checkthreadsample.MainActivity}: java.lang.RuntimeException...ZygoteInit.java:1019) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:814) Caused by: java.lang.RuntimeException...(Activity.java:6127) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java
Process: com.lwp.justtest, PID: 6054 java.lang.RuntimeException...: Unable to start activity ComponentInfo{com.lwp.justtest/com.lwp.justtest.MainActivity}: android.view.InflateException...com.lwp.justtest.MainActivity.onCreate(MainActivity.java:21) at android.app.Activity.performCreate...(Activity.java:6662) at android.app.Instrumentation.callActivityOnCreate
\\d{1,10})e 错误堆栈： Uncaught handler: thread main exiting due to uncaught exception java.lang.RuntimeException...: Unable to start activity ComponentInfo{freish.activity/fr...java.util.regex.Pattern.compile(Pattern.java:179) at java.util.regex.Pattern.compile(Pattern.java:179) at freish.activity.RegexActivity.onCreate...(RegexActivity.java:28) at freish.activity.RegexActivity.onCreate(RegexActivity.java:28) at android.app.Instrumentation.callActivityOnCreate
Process: com.lwp.justtest, PID: 17152 java.lang.RuntimeException...: Unable to instantiate activity ComponentInfo{com.lwp.justtest/com.lwp.justtest.next}: java.lang.NullPointerException
中 , 使用 Navigation 导航组件 , 运行应用时报错 , 报错信息如下 : FATAL EXCEPTION: main Process: kim.hsl.nav, PID: 30009 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.nav/kim.hsl.nav.MainActivity}: java.lang.IllegalStateException...(Activity.java:7144) at android.app.Activity.performCreate(Activity.java:7135) at android.app.Instrumentation.callActivityOnCreate...NavController 就需要设置正确的 NavHostFragment ; 首先 , 确保 Activity 继承自 , 不要继承 android.app.Activity , 否则将无法获取...在 布局文件的 Design 模式下 , 将 Container 下的 NavHostFragment 组件拖入到布局文件中 , 生成的代码是错误的 ; 生成了如下代码 : 如果使用这个代码 , 是无法获取到
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