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Inflater can't find constructor

开发者 https://www.devze.com 2023-02-08 08:28 出处:网络
This is probably the most annoying error I have ever encountered. When I go to inflate a custom view and pass it to and activity, I get this:

This is probably the most annoying error I have ever encountered. When I go to inflate a custom view and pass it to and activity, I get this:

02-02 10:34:08.080: ERROR/AndroidRuntime(839): java.lang.RuntimeException: Unable to start activity 

ComponentInfo{android.appion.ResourceManager.UI/android.appion.ResourceManager.UI.ARMHomescreen}: android.view.InflateException: Binary XML file line #62: Error inflating class android.appion.ResourceManager.NUI.ARMPublicService$WorkBench
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2787)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2803)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.app.ActivityThread.access$2300(ActivityThread.java:135)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2136)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.os.Handler.dispatchMessage(Handler.java:99)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.os.Looper.loop(Looper.java:144)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.app.ActivityThread.main(ActivityThread.java:4937)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at java.lang.reflect.Method.invokeNative(Native Method)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at java.lang.reflect.Method.invoke(Method.java:521)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at dalvik.system.NativeStart.main(Native Method)
02-02 10:34:08.080: ERROR/AndroidRuntime(839): Caused by: android.view.InflateException: Binary XML file line #62: Error inflating class android.appion.ResourceManager.NUI.ARMPublicService$WorkBench
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.view.LayoutInflater.createView(LayoutInflater.java:503)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:565)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:618)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:621)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:621)
02-02 10:34:08.080: ERROR/AndroidRuntim开发者_C百科e(839):     at android.view.LayoutInflater.inflate(LayoutInflater.java:407)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:207)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.app.Activity.setContentView(Activity.java:1654)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.appion.ResourceManager.UI.ARMHomescreen.onCreate(ARMHomescreen.java:141)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1069)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2751)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     ... 11 more
02-02 10:34:08.080: ERROR/AndroidRuntime(839): Caused by: java.lang.NoSuchMethodException: WorkBench(Context,AttributeSet)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at java.lang.Class.getMatchingConstructor(Class.java:660)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at java.lang.Class.getConstructor(Class.java:477)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     at android.view.LayoutInflater.createView(LayoutInflater.java:475)
02-02 10:34:08.080: ERROR/AndroidRuntime(839):     ... 23 more

What I took away from this was "Hey, I must have forgotten to add AttributeSet to my View, dummy", this is not so! My constructor is perfect from what I can tell. Can anyone tell what I'm missing or if eclipse is screwing me rectally?

public class WorkBench extends GridView {
    private final String TAG = "WorkBench";

    // The position in the WorkArea
    public String TITLE;
    private String[] DEVICE = new String[6];

    private int mSelection;
    public WorkBench(Context context) {super(context);}
    public WorkBench(Context context, AttributeSet attrs) {
        super(context, attrs);
        setAdapter(new GridAdapter());
    }
    public WorkBench(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

... Rest of class definition

Where I'm calling the WorkBench (WorkBench and this function are in a service, that's why I cast to Activity)

public WorkBench createBench(Context context) {
    return (WorkBench)((Activity)context).findViewById(R.id.workbench);
}

And the XML

<view               class="android.appion.ResourceManager.NUI.ARMPublicService$WorkBench"
    android:id="@+id/workbench"
    android:background="@+drawable/woodtexture1"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:numColumns="2" />

Any tips will be helpful, thanks ~Aedon


Either your class is wrong, or your class is wrong.

You have:

class="android.appion.ResourceManager.NUI.ARMPublicService$WorkBench"

This will work if, and only if, WorkBench is a static inner class. Your class definition for WorkBench, shown above, is for a non-static inner class.

Since it is impossible to use a non-static inner class in this case, your class is probably fine -- just adjust WorkBench to be a static inner class, and you should be in OK shape.

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