{"id":3089,"date":"2014-03-15T12:54:47","date_gmt":"2014-03-15T12:54:47","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/03\/15\/andengine-gles-2-0-power-button-issue-app-crashes-onresume-collection-of-common-programming-errors\/"},"modified":"2014-03-15T12:54:47","modified_gmt":"2014-03-15T12:54:47","slug":"andengine-gles-2-0-power-button-issue-app-crashes-onresume-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2014\/03\/15\/andengine-gles-2-0-power-button-issue-app-crashes-onresume-collection-of-common-programming-errors\/","title":{"rendered":"AndEngine GLES 2.0 &#8211; Power button issue &#8211; App Crashes onResume()-Collection of common programming errors"},"content":{"rendered":"<p>App crashes when i press power button to lock screen and press it again to unlock screen. App crashes after scren gets unlocked.<\/p>\n<p>This is a stackTress i got in logcat:<\/p>\n<pre><code>05-09 18:46:57.254: E\/AndroidRuntime(25354):    FATAL EXCEPTION: main\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    java.lang.NullPointerException\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at org.andengine.ui.activity.BaseGameActivity.onResumeGame(BaseGameActivity.java:222)\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at org.andengine.ui.activity.BaseGameActivity$4.run(BaseGameActivity.java:373)\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at android.os.Handler.handleCallback(Handler.java:615)\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at android.os.Handler.dispatchMessage(Handler.java:92)\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at android.os.Looper.loop(Looper.java:137)\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at android.app.ActivityThread.main(ActivityThread.java:4744)\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at java.lang.reflect.Method.invokeNative(Native Method)\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at java.lang.reflect.Method.invoke(Method.java:511)\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)\n05-09 18:46:57.254: E\/AndroidRuntime(25354):    at dalvik.system.NativeStart.main(Native Method)\n<\/code><\/pre>\n<p>Nullpointer Exception at onResumeGame() method of BaseGameActivityClass.<\/p>\n<p>I have added this line in &#8220;activity&#8221; tag of manifest<\/p>\n<pre><code> android:configChanges=\"orientation|keyboard|keyboardHidden\"\n<\/code><\/pre>\n<p>in my GameActivity which extends BaseGameActivity i have added this<\/p>\n<pre><code>    @Override\n    public void onPause() {\n      super.onPause();\n      mEngine.stop();\n    }\n\n    @Override\n    protected void onResume() {\n    \/\/ The activity has become visible (it is now \"resumed\").\n       super.onResume();\n       mEngine.start();\n    }\n<\/code><\/pre>\n<p>What is wrong? What shall i do to stop crashing game on power button issue?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>App crashes when i press power button to lock screen and press it again to unlock screen. App crashes after scren gets unlocked. This is a stackTress i got in logcat: 05-09 18:46:57.254: E\/AndroidRuntime(25354): FATAL EXCEPTION: main 05-09 18:46:57.254: E\/AndroidRuntime(25354): java.lang.NullPointerException 05-09 18:46:57.254: E\/AndroidRuntime(25354): at org.andengine.ui.activity.BaseGameActivity.onResumeGame(BaseGameActivity.java:222) 05-09 18:46:57.254: E\/AndroidRuntime(25354): at org.andengine.ui.activity.BaseGameActivity$4.run(BaseGameActivity.java:373) 05-09 18:46:57.254: E\/AndroidRuntime(25354): at [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3089","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/3089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=3089"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/3089\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=3089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=3089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=3089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}