Spinner报错: java.lang.RuntimeException: setOnItemClickListener cannot be used with a spinner.-优快云博客

本文介绍了一个关于Android开发中Spinner组件的常见错误——错误地使用setOnItemClickListener。文章详细解释了为何不能为Spinner设置此监听器，并给出了正确的解决方案，即使用setOnItemSelectedListener。

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03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: FATAL EXCEPTION: main
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: java.lang.RuntimeException: Unable to start activity ComponentInfo{tech.androidstudio.provincecitydistrictdemo/tech.androidstudio.provincecitydistrictdemo.MainActivity}: java.lang.RuntimeException: setOnItemClickListener cannot be used with a spinner.
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.ActivityThread.access$1500(ActivityThread.java:117)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:99)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.os.Looper.loop(Looper.java:123)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:3683)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at java.lang.reflect.Method.invokeNative(Native Method)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at java.lang.reflect.Method.invoke(Method.java:507)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at dalvik.system.NativeStart.main(Native Method)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: Caused by: java.lang.RuntimeException: setOnItemClickListener cannot be used with a spinner.
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.widget.Spinner.setOnItemClickListener(Spinner.java:102)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at tech.androidstudio.provincecitydistrictdemo.MainActivity.onCreate(MainActivity.java:78)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.ActivityThread.access$1500(ActivityThread.java:117)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:99)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.os.Looper.loop(Looper.java:123)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:3683)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at java.lang.reflect.Method.invokeNative(Native Method)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at java.lang.reflect.Method.invoke(Method.java:507)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)

03-18 16:36:39.083 27110-27110/tech.androidstudio.provincecitydistrictdemo E/AndroidRuntime: at dalvik.system.NativeStart.main(Native Method)

原因：

不可以使用给Spinner使用setOnItemClickListener，

解决方法：

需要使用的方法是setOnItemSelectedListener

备注：一些常用的监听。

RadioGroup-->group.setOnCheckedChangeListener ->new OnCheckedChangeListener()->onCheckedChanged
CheckBox--> setOnCheckedChangeListener
上面虽然名字一样，但是包是不一样的。

GridView setOnItemClickListener. 因为GridView 就是继承了listView 的，所以两个是相同的。
listView 是setOnItemClickListener

Spinner--> sp_province.setOnItemSelectedListener->new OnItemSelectedListener()-onItemSelected

AutoCompleteTextView -->complete.addTextChangedListener-->new TextWatcher() -->onTextChanged/afterTextChanged/beforeTextChanged