Java 是否在运行时单击添加按钮？

我终于解决了这个问题，我必须在onclick中指定按钮参数。这是个小错误

 04-14 03:52:39.174: D/AndroidRuntime(349): Shutting down VM
04-14 03:52:39.174: W/dalvikvm(349): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
04-14 03:52:39.184: E/AndroidRuntime(349): FATAL EXCEPTION: main
04-14 03:52:39.184: E/AndroidRuntime(349): java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.view.ViewGroup.addViewInner(ViewGroup.java:1970)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.view.ViewGroup.addView(ViewGroup.java:1865)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.view.ViewGroup.addView(ViewGroup.java:1845)
04-14 03:52:39.184: E/AndroidRuntime(349):  at com.creos.towerofhanoi.MainActivity.onClick(MainActivity.java:85)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.view.View.performClick(View.java:2408)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.view.View$PerformClick.run(View.java:8816)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.os.Handler.handleCallback(Handler.java:587)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.os.Handler.dispatchMessage(Handler.java:92)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.os.Looper.loop(Looper.java:123)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.app.ActivityThread.main(ActivityThread.java:4627)
04-14 03:52:39.184: E/AndroidRuntime(349):  at java.lang.reflect.Method.invokeNative(Native Method)
04-14 03:52:39.184: E/AndroidRuntime(349):  at java.lang.reflect.Method.invoke(Method.java:521)
04-14 03:52:39.184: E/AndroidRuntime(349):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
04-14 03:52:39.184: E/AndroidRuntime(349):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
04-14 03:52:39.184: E/AndroidRuntime(349):  at dalvik.system.NativeStart.main(Native Method)

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崩溃时的堆栈跟踪是？为什么要在运行时创建整个布局？如果您有一个固定的布局开始，为什么要在运行时创建它？好的，我知道你的问题是动态添加另一个按钮，但是如果你只是将初始布局放入一个XML文件中，你就可以为自己节省大量的代码。我需要动态创建求和按钮，这就是我使用的原因it@KennethRoy：不要使用注释发布堆栈跟踪或额外代码之类的内容。看看你原来的问题-标签下面有一个“编辑”选项-用它来添加堆栈跟踪。

 04-14 03:52:39.174: D/AndroidRuntime(349): Shutting down VM
04-14 03:52:39.174: W/dalvikvm(349): threadid=1: thread exiting with uncaught exception (group=0x4001d800)
04-14 03:52:39.184: E/AndroidRuntime(349): FATAL EXCEPTION: main
04-14 03:52:39.184: E/AndroidRuntime(349): java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.view.ViewGroup.addViewInner(ViewGroup.java:1970)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.view.ViewGroup.addView(ViewGroup.java:1865)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.view.ViewGroup.addView(ViewGroup.java:1845)
04-14 03:52:39.184: E/AndroidRuntime(349):  at com.creos.towerofhanoi.MainActivity.onClick(MainActivity.java:85)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.view.View.performClick(View.java:2408)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.view.View$PerformClick.run(View.java:8816)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.os.Handler.handleCallback(Handler.java:587)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.os.Handler.dispatchMessage(Handler.java:92)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.os.Looper.loop(Looper.java:123)
04-14 03:52:39.184: E/AndroidRuntime(349):  at android.app.ActivityThread.main(ActivityThread.java:4627)
04-14 03:52:39.184: E/AndroidRuntime(349):  at java.lang.reflect.Method.invokeNative(Native Method)
04-14 03:52:39.184: E/AndroidRuntime(349):  at java.lang.reflect.Method.invoke(Method.java:521)
04-14 03:52:39.184: E/AndroidRuntime(349):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
04-14 03:52:39.184: E/AndroidRuntime(349):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
04-14 03:52:39.184: E/AndroidRuntime(349):  at dalvik.system.NativeStart.main(Native Method)

public void onClick(View v) {
        // TODO Auto-generated method stub

        switch (v.getId()) {
        case 0:

            Button[0] = new Button(this);
            Button[0].setLayoutParams(new LayoutParams(
                    LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
            subLayout[1].addView(Button[0]);


            break;
        }

    }