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java.lang.RuntimeException: Unable to start activity ComponentInfo{com.f28277108.jdy\/com.uzmap.pkg.uzmodules.UIMediaScanner.UzImgsActivity}: java.lang.NullPointerException: Attempt to invoke virtual method \'boolean java.lang.String.equals(java.lang.Object)\' on a null object reference\n\tat android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2664)\n\tat android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2755)\n\tat android.app.ActivityThread.access$1000(ActivityThread.java:192)\n\tat android.app.ActivityThread$H.handleMessage(ActivityThread.java:1600)\n\tat android.os.Handler.dispatchMessage(Handler.java:111)\n\tat android.os.Looper.loop(Looper.java:224)\n\tat android.app.ActivityThread.main(ActivityThread.java:5929)\n\tat java.lang.reflect.Method.invoke(Native Method)\n\tat java.lang.reflect.Method.invoke(Method.java:372)\n\tat com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1113)\n\tat com.android.internal.os.ZygoteInit.main(ZygoteInit.java:879)\nCaused by: java.lang.NullPointerException: Attempt to invoke virtual method \'boolean java.lang.String.equals(java.lang.Object)\' on a null object reference\n\tat com.uzmap.pkg.uzmodules.UIMediaScanner.Util.listAlldir(Util.java:262)\n\tat com.uzmap.pkg.uzmodules.UIMediaScanner.UzImgsActivity.onCreate(UzImgsActivity.java:134)\n\tat android.app.Activity.performCreate(Activity.java:6251)\n\tat android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1112)\n\tat android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2611)\n\t... 10 more\njava.lang.NullPointerException: Attempt to invoke virtual method \'boolean java.lang.String.equals(java.lang.Object)\' on a null object reference\n\tat com.uzmap.pkg.uzmodules.UIMediaScanner.Util.listAlldir(Util.java:262)\n\tat com.uzmap.pkg.uzmodules.UIMediaScanner.UzImgsActivity.onCreate(UzImgsActivity.java:134)\n\tat android.app.Activity.performCreate(Activity.java:6251)\n\tat android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1112)\n\tat android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2611)\n\tat android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2755)\n\tat android.app.ActivityThread.access$1000(ActivityThread.java:192)\n\tat android.app.ActivityThread$H.handleMessage(ActivityThread.java:1600)\n\tat android.os.Handler.dispatchMessage(Handler.java:111)\n\tat android.os.Looper.loop(Looper.java:224)\n\tat android.app.ActivityThread.main(ActivityThread.java:5929)\n\tat java.lang.reflect.Method.invoke(Native Method)\n\tat java.lang.reflect.Method.invoke(Method.java:372)\n\tat com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1113)\n\tat com.android.internal.os.ZygoteInit.main(ZygoteInit.java:879)\n求解释。。。。。
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