我是一个初学者的Android(我的第一篇),并获得运行此BMI计算器教程崩溃:http://android-meda.blogspot.co.uk/2012/01/writing-your-first-android-app-body.html?m=1BMI应用程序崩溃时计算按钮按下
推出我的手机上,屏幕变黑消息“ BMI不幸不幸“。我不确定在哪里诊断问题,所以任何帮助将不胜感激。 谢谢
04-04 14:14:44.750: E/SensorManager(24999): thread start
04-04 14:14:44.755: D/SensorManager(24999): registerListener :: handle = 0 name= LSM330DLC 3-axis Accelerometer delay= 200000 Listener= [email protected]b75490
04-04 14:14:44.760: D/SensorManager(24999): unregisterListener:: Listener= [email protected]b75490
04-04 14:14:44.760: D/Sensors(24999): Remain listener = Sending .. normal delay 200ms
04-04 14:14:44.760: I/Sensors(24999): sendDelay --- 200000000
04-04 14:14:44.765: D/SensorManager(24999): JNI - sendDelay
04-04 14:14:44.765: I/SensorManager(24999): Set normal delay = true
04-04 14:14:44.815: D/SensorManager(24999): registerListener :: handle = 0 name= LSM330DLC 3-axis Accelerometer delay= 200000 Listener= [email protected]b75490
04-04 14:14:44.870: D/libEGL(24999): loaded /system/lib/egl/libEGL_mali.so
04-04 14:14:44.875: D/libEGL(24999): loaded /system/lib/egl/libGLESv1_CM_mali.so
04-04 14:14:44.880: D/libEGL(24999): loaded /system/lib/egl/libGLESv2_mali.so
04-04 14:14:44.885: D/(24999): Device driver API match
04-04 14:14:44.885: D/(24999): Device driver API version: 10
04-04 14:14:44.885: D/(24999): User space API version: 10
04-04 14:14:44.885: D/(24999): mali: REVISION=Linux-r2p4-02rel0 BUILD_DATE=Tue Oct 16 15:37:13 KST 2012
04-04 14:14:44.910: D/OpenGLRenderer(24999): Enabling debug mode 0
04-04 14:14:44.985: W/IInputConnectionWrapper(24999): showStatusIcon on inactive InputConnection
04-04 14:14:52.235: D/SensorManager(24999): unregisterListener:: Listener= [email protected]b75490
04-04 14:14:52.235: D/Sensors(24999): Remain listener = Sending .. normal delay 200ms
04-04 14:14:52.235: I/Sensors(24999): sendDelay --- 200000000
04-04 14:14:52.235: D/SensorManager(24999): JNI - sendDelay
04-04 14:14:52.235: I/SensorManager(24999): Set normal delay = true
04-04 14:14:52.240: D/SensorManager(24999): registerListener :: handle = 0 name= LSM330DLC 3-axis Accelerometer delay= 200000 Listener= [email protected]b78da8
04-04 14:14:52.260: W/IInputConnectionWrapper(24999): getSelectedText on inactive InputConnection
04-04 14:14:52.265: W/IInputConnectionWrapper(24999): setComposingText on inactive InputConnection
04-04 14:14:52.265: W/IInputConnectionWrapper(24999): getExtractedText on inactive InputConnection
04-04 14:14:53.420: D/AndroidRuntime(24999): Shutting down VM
04-04 14:14:53.420: W/dalvikvm(24999): threadid=1: thread exiting with uncaught exception (group=0x41f052a0)
04-04 14:14:53.430: E/AndroidRuntime(24999): FATAL EXCEPTION: main
04-04 14:14:53.430: E/AndroidRuntime(24999): java.lang.IllegalStateException: Could not execute method of the activity
04-04 14:14:53.430: E/AndroidRuntime(24999): at android.view.View$1.onClick(View.java:3691)
04-04 14:14:53.430: E/AndroidRuntime(24999): at android.view.View.performClick(View.java:4211)
04-04 14:14:53.430: E/AndroidRuntime(24999): at android.view.View$PerformClick.run(View.java:17267)
04-04 14:14:53.430: E/AndroidRuntime(24999): at android.os.Handler.handleCallback(Handler.java:615)
04-04 14:14:53.430: E/AndroidRuntime(24999): at android.os.Handler.dispatchMessage(Handler.java:92)
04-04 14:14:53.430: E/AndroidRuntime(24999): at android.os.Looper.loop(Looper.java:137)
04-04 14:14:53.430: E/AndroidRuntime(24999): at android.app.ActivityThread.main(ActivityThread.java:4898)
04-04 14:14:53.430: E/AndroidRuntime(24999): at java.lang.reflect.Method.invokeNative(Native Method)
04-04 14:14:53.430: E/AndroidRuntime(24999): at java.lang.reflect.Method.invoke(Method.java:511)
04-04 14:14:53.430: E/AndroidRuntime(24999): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1006)
04-04 14:14:53.430: E/AndroidRuntime(24999): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:773)
04-04 14:14:53.430: E/AndroidRuntime(24999): at dalvik.system.NativeStart.main(Native Method)
04-04 14:14:53.430: E/AndroidRuntime(24999): Caused by: java.lang.reflect.InvocationTargetException
04-04 14:14:53.430: E/AndroidRuntime(24999): at java.lang.reflect.Method.invokeNative(Native Method)
04-04 14:14:53.430: E/AndroidRuntime(24999): at java.lang.reflect.Method.invoke(Method.java:511)
04-04 14:14:53.430: E/AndroidRuntime(24999): at android.view.View$1.onClick(View.java:3686)
04-04 14:14:53.430: E/AndroidRuntime(24999): ... 11 more
04-04 14:14:53.430: E/AndroidRuntime(24999): Caused by: java.lang.ClassCastException: android.widget.TextView cannot be cast to android.widget.EditText
04-04 14:14:53.430: E/AndroidRuntime(24999): at com.example.bmi.MainActivity.calculateClickHandler(MainActivity.java:22)
04-04 14:14:53.430: E/AndroidRuntime(24999): ... 14 more
谢谢Slacky。感谢您对此的帮助。线这个块内22个落入:私人字符串interpretBMI(浮动bmiValue){ \t \t \t 如果\t(bmiValue <16){ \t \t \t返回 “严重不足”; \t \t} else if(bmiValue <18.5){ \t \t \t return“Underweight”; \t \t} else if(bmiValue <25){ \t \t \t return“Normal”; \t \t} else if(bmiValue <30){ \t \t \t return“Overweight”; \t \t} else { \t \t \t return“Obese”; \t \t} – gdh48k 2013-04-04 14:52:39
我不知道你正在寻找正确的代码位gdh48k,因为@Slacky是正确的有一个小部件转换错误导致它,在'onClick'方法 – 2013-04-04 14:57:51
道歉的格式不好。 – gdh48k 2013-04-04 15:01:13