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
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
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...if (camerList == null || camerList.size() == 0) { return null; //没有摄像头 } 问题3： java.lang.RuntimeException...: Unable to start activity ComponentInfo{com.xxx.xxx/com.xxx.xxx.activity.xx.xx}: java.lang.IllegalArgumentException
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
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
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
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
当我们把targetSdkVersion升级到27，buildToolsVersion和相关的support library升级到27.0.1后，在Android 8.0（API level 26）上，部分Activity...出现了一个莫名其妙的crash，异常信息如下： java.lang.RuntimeException: Unable to start activity ComponentInfo{com.linkedin.android.XXXX.XXXX.../com.linkedin.android.XXXX.XXXX.activity.LoginActivity}: java.lang.IllegalStateException: Only fullscreen...锁定屏幕旋转，因为当前Activity是透明的，浮动的或可滑动取消的，是否锁屏应该由全屏的Activity决定，而不是并没有全部占据屏幕的Activity决定。...； 升级SDK，但重构一下代码，看看已有的非“fullscreen” Activity是不是都是必要的，例如用Fragment实现周围半透明效果，能不能直接把Fragment加入到当前Activity（
/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
1.异常java.lang.RuntimeException: Unable to instantiate activity ComponentInfo 解决方法http://www.linuxidc.com
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
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...(Activity.java:6127) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java...Method Tracing，需要刻意并时不时进行设置start和stop操作，文章的方法，可以说是一劳永逸。 检测会不会有性能问题 理论上是不会的，通常这个检测的代价要远远比耗时任务要小很多。
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...java.lang.IllegalStateException: You need to use a Theme.AppCompat theme (or descendant) with this activity...(Activity.java:7144) at android.app.Activity.performCreate(Activity.java:7135) at android.app.Instrumentation.callActivityOnCreate...class MainActivity extends Activity {
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
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
setTransactionSuccessful()设置事务标志为True 2.Cursor http://www.2cto.com/kf/201109/103163.html 3.使用SimpleCursorAdapter适配器时出现的问题：java.lang.RuntimeException...: Unable to start activity ComponentInfo{com.example.db/com.example.db.MainActivity}: java.lang.IllegalArgumentException
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..."Unable to start activity " + component + ": " + e.toString(), e); }...} return activity; } 我的报错位置就是在Activity实例化的时候。...初始化之后，如果activity不为null，回调用activity.attach(...)方法，attach方法里面的attachBaseContext（context）方法会将context实例与activity
Process: kim.hsl.coroutine, PID: 6476 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.coroutine/kim.hsl.coroutine.MainActivity}: java.lang.IllegalStateException...(Activity.java:7144) at android.app.Activity.performCreate...Process: kim.hsl.coroutine, PID: 11490 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.coroutine/kim.hsl.coroutine.MainActivity}: java.io.IOException
/kim.hsl.a7_zip E/AndroidRuntime: FATAL EXCEPTION: main Process: kim.hsl.a7_zip, PID: 29422 java.lang.RuntimeException...: Unable to start activity ComponentInfo{kim.hsl.a7_zip/kim.hsl.a7_zip.MainActivity}: java.io.IOException...(Activity.java:7144) at android.app.Activity.performCreate(Activity.java:7135) at android.app.Instrumentation.callActivityOnCreate...(UNIXProcess.java:133) at java.lang.ProcessImpl.start(ProcessImpl.java:132) at...(Activity.java:7144) at android.app.Activity.performCreate(Activity.java:7135) at android.app.Instrumentation.callActivityOnCreate
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