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    via Stack Overflow by CommonsWare

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Solutions on the web

via Google Groups by Orlando Yanson Jr., 1 year ago
Unable to start activity ComponentInfo{com. sample.app/com.google.android.gms.ads.AdActivity}: android.util. AndroidRuntimeException: requestFeature() must be called before adding content at android.app.ActivityThread.performLaunchActivity
via Stack Overflow by manpreet parmar
, 1 year ago
Unable to start activity ComponentInfo {com.youmasti.mp3test/com.youmasti.mp3test.MainActivity}: java.lang.NullPointerException: Attempt to get length of null array at android.app.ActivityThread.performLaunchActivity
via Stack Overflow by Rohit G
, 2 years ago
) at android.app.ActivityThread.handleSendResult(ActivityThread.java:3742) at android.app.ActivityThread.-wrap16(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1393)
via Stack Overflow by Unknown author, 2 years ago
android.app.ActivityThread.access$1300(ActivityThread.java:149) 05-15 02:10:01.199: E/AndroidRuntime(17169): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1373)
via Stack Overflow by rajshree
, 2 years ago
Unable to start activity ComponentInfo{com.example.target_wallpaper77/com.example.target_wallpaper77.Starter_info}: java.lang.NumberFormatException: Invalid float: "2:00 h" 11-11 04:54:58.187: E/AndroidRuntime(3122): at
via Stack Overflow by Ben
, 2 years ago
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2390) at android.app.ActivityThread.access$800(ActivityThread.java:151) 08-06 11:07:28.524: E/AndroidRuntime(1927): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.
sample.app/com.google.android.gms.ads.AdActivity}: android.util.
AndroidRuntimeException: requestFeature() must be called before adding 
content at android.app.ActivityThread.performLaunchActivity(ActivityThread.
java:2658) at android.app.ActivityThread.handleLaunchActivity(ActivityThread
.java:2723) at android.app.ActivityThread.access$900(ActivityThread.java:172
) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1422) 	at android.os.Handler.dispatchMessage(Handler.java:102)	at android.os.Looper.loop(Looper.java:145)	at android.app.ActivityThread.main(ActivityThread.java:5832)	at java.lang.reflect.Method.invoke(Native Method)