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E/AndroidRuntime: FATAL EXCEPTION: main Process: com.android.lewis.cspeedometer, PID: 2337 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.android.lewis.cspeedometer/com.android.lewis.cspeedometer.CSpeedometer}: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.android.lewis.cspeedometer/com.android.lewis.cspeedometer.PhoneCallReceiver}; have you declared this activity in your AndroidManifest.xml? at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2646) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707) at android.app.ActivityThread.-wrap12(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:6077) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755) Caused by: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.android.lewis.cspeedometer/com.android.lewis.cspeedometer.PhoneCallReceiver}; have you declared this activity in your AndroidManifest.xml? at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1805) at android.app.Instrumentation.execStartActivity(Instrumentation.java:1523) at android.app.Activity.startActivityForResult(Activity.java:4224) at android.app.Activity.startActivityForResult(Activity.java:4183) at android.app.Activity.startActivity(Activity.java:4507) at android.app.Activity.startActivity(Activity.java:4475) at com.android.lewis.cspeedometer.CSpeedometer.updateSpeed(CSpeedometer.java:114) at com.android.lewis.cspeedometer.CSpeedometer.onCreate(CSpeedometer.java:51) at android.app.Activity.performCreate(Activity.java:6662) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2599) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707)  at android.app.ActivityThread.-wrap12(ActivityThread.java)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460)  at android.os.Handler.dispatchMessage(Handler.java:102)  at android.os.Looper.loop(Looper.java:154)  at android.app.ActivityThread.main(ActivityThread.java:6077)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)  Disconnected from the target VM, address: 'localhost:8619', transport: 'socket'

daniel lewis
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    Please add a valid question here:http://stackoverflow.com/help/how-to-ask. Also, the error stacktrace tells you exactly what to do: The activity is not added to the manifest. – Opiatefuchs Nov 28 '16 at 07:03
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    `voted to close` Before you post question at-least take some effort to read the error..... – N J Nov 28 '16 at 07:10

1 Answers1

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have you declared this activity in your AndroidManifest.xml?

Declare your activity in Android Mainfest like this 

<activity android:name=".YourActivity"></activity>
John Joe
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