java.lang.NullPointerException

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    • java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.String.length()' on a null object reference at com.wenming.crashcachedemo.MainActivity$1.onClick(MainActivity.java:43) at android.view.View.performClick(View.java:5697) at android.widget.TextView.performClick(TextView.java:10816) at android.view.View$PerformClick.run(View.java:22526) at android.os.Handler.handleCallback(Handler.java:739) at android.os.Handler.dispatchMessage(Handler.java:95) at android.os.Looper.loop(Looper.java:158) at android.app.ActivityThread.main(ActivityThread.java:7224) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120) at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:134)
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