编程创建RadioGroup中 [英] Creating RadioGroup programmatically
本文介绍了编程创建RadioGroup中的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我得到了一个错误,在做下面的code
错误:指定的孩子已经有一个家长,你必须先调用removeView孩子的家长
请人帮我解决这个 code:
单选按钮[]单选按钮=新的单选[5];
RadioGroup中RadioGroup中=新RadioGroup中(本);
的for(int i = 0;我小于5;我++){
的LinearLayout listmainLayout =(的LinearLayout)findViewById(R.id.phonelist);
// listmainLayout.setLayoutParams(新
// ListView.LayoutParams(宽度,
//高度/ 10));
listmainLayout.setGravity(Gravity.CENTER_VERTICAL);
RelativeLayout的mainlistLayout =新RelativeLayout的(
getApplicationContext());
LinearLayout.LayoutParams mainlistLayoutParams =新LinearLayout.LayoutParams(
(中间体)(宽* 0.85),LayoutParams.WRAP_CONTENT);
mainlistLayout.setLayoutParams(mainlistLayoutParams);
// mainlistLayout.setOrientation(LinearLayout.VERTICAL);
mainlistLayout.setPadding((int)的(0.03×宽),0,0,0);
LinearLayout.LayoutParams radiogroupparams =新LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
radiogroup.setLayoutParams(radiogroupparams);
单选按钮[i] =新的单选按钮(这一点);
单选按钮[I] .setText(+ ContactsActivity.phonetype.get(I)
++ ContactsActivity.phone.get(ⅰ));
单选按钮[I] .setId第(i + 100);
radiogroup.removeView(单选[I]);
radiogroup.addView(单选[I]);
mainlistLayout.addView(RadioGroup中);
我的logcat显示:
11-12 17:51:11.500:E / AndroidRuntime(3353):致命异常:主要
11-12 17:51:11.500:E / AndroidRuntime(3353):java.lang.RuntimeException的:无法启动的活动ComponentInfo {com.example.contacts_appetite / com.example.contacts_appetite.ContactDetalisList}:java.lang.IllegalStateException:本指定的孩子已经有一个父。你必须先调用removeView()对孩子的家长。
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.app.ActivityThread.access $ 600(ActivityThread.java:130)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1195)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.os.Handler.dispatchMessage(Handler.java:99)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.os.Looper.loop(Looper.java:137)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.app.ActivityThread.main(ActivityThread.java:4745)
11-12 17:51:11.500:E / AndroidRuntime(3353):在java.lang.reflect.Method.invokeNative(本机方法)
11-12 17:51:11.500:E / AndroidRuntime(3353):在java.lang.reflect.Method.invoke(Method.java:511)
11-12 17:51:11.500:E / AndroidRuntime(3353):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:786)
11-12 17:51:11.500:E / AndroidRuntime(3353):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
11-12 17:51:11.500:E / AndroidRuntime(3353):在dalvik.system.NativeStart.main(本机方法)
11-12 17:51:11.500:E / AndroidRuntime(3353):致:java.lang.IllegalStateException:指定的孩子已经有一个父。你必须先调用removeView()对孩子的家长。
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.view.ViewGroup.addViewInner(ViewGroup.java:3378)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.view.ViewGroup.addView(ViewGroup.java:3249)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.view.ViewGroup.addView(ViewGroup.java:3194)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.view.ViewGroup.addView(ViewGroup.java:3170)
11-12 17:51:11.500:E / AndroidRuntime(3353):在com.example.contacts_appetite.ContactDetalisList.getView(ContactDetalisList.java:139)
11-12 17:51:11.500:E / AndroidRuntime(3353):在com.example.contacts_appetite.ContactDetalisList.onCreate(ContactDetalisList.java:65)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.app.Activity.performCreate(Activity.java:5008)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
11-12 17:51:11.500:E / AndroidRuntime(3353):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
11-12 17:51:11.500:E / AndroidRuntime(3353):11 ...更多
解决方案
本指定的孩子已经有一个父。你必须先调用removeView()孩子的父母。
,因为您要添加的孩子(单选按钮组)于母公司布局多次。
试试这样
私人无效createRadioButton(){
最终单选[]的rb =新单选[5];
RadioGroup中RG =新RadioGroup中(本); //创建RadioGroup中
rg.setOrientation(RadioGroup.HORIZONTAL); //或RadioGroup.VERTICAL
的for(int i = 0;我小于5;我++){
RB [我] =新的单选按钮(这一点);
rg.addView(RB [I]);
的rb [I] .setText(+ ContactsActivity.phonetype.get㈠
++ ContactsActivity.phone.get(ⅰ));
的rb [I] .setId第(i + 100);
rg.addView(单选[I]);
}
ll.addView(RG); //你整RadioGroup中添加到布局
}
I got a Error while doing the following code
Error:The specified child already has a parent you must call removeView on the child's parent first
Anyone please help me in resolving this Code:
RadioButton[] radiobutton = new RadioButton[5];
RadioGroup radiogroup = new RadioGroup(this);
for (int i = 0; i < 5; i++) {
LinearLayout listmainLayout = (LinearLayout) findViewById(R.id.phonelist);
// listmainLayout.setLayoutParams(new
// ListView.LayoutParams(width,
// height / 10));
listmainLayout.setGravity(Gravity.CENTER_VERTICAL);
RelativeLayout mainlistLayout = new RelativeLayout(
getApplicationContext());
LinearLayout.LayoutParams mainlistLayoutParams = new LinearLayout.LayoutParams(
(int) (width * 0.85), LayoutParams.WRAP_CONTENT);
mainlistLayout.setLayoutParams(mainlistLayoutParams);
// mainlistLayout.setOrientation(LinearLayout.VERTICAL);
mainlistLayout.setPadding((int) (0.03 * width), 0, 0, 0);
LinearLayout.LayoutParams radiogroupparams = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
radiogroup.setLayoutParams(radiogroupparams);
radiobutton[i] = new RadioButton(this);
radiobutton[i].setText(" " + ContactsActivity.phonetype.get(i)
+ " " + ContactsActivity.phone.get(i));
radiobutton[i].setId(i + 100);
radiogroup.removeView(radiobutton[i]);
radiogroup.addView(radiobutton[i]);
mainlistLayout.addView(radiogroup);
My logcat shows:
11-12 17:51:11.500: E/AndroidRuntime(3353): FATAL EXCEPTION: main
11-12 17:51:11.500: E/AndroidRuntime(3353): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.contacts_appetite/com.example.contacts_appetite.ContactDetalisList}: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.app.ActivityThread.access$600(ActivityThread.java:130)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.os.Handler.dispatchMessage(Handler.java:99)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.os.Looper.loop(Looper.java:137)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.app.ActivityThread.main(ActivityThread.java:4745)
11-12 17:51:11.500: E/AndroidRuntime(3353): at java.lang.reflect.Method.invokeNative(Native Method)
11-12 17:51:11.500: E/AndroidRuntime(3353): at java.lang.reflect.Method.invoke(Method.java:511)
11-12 17:51:11.500: E/AndroidRuntime(3353): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
11-12 17:51:11.500: E/AndroidRuntime(3353): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
11-12 17:51:11.500: E/AndroidRuntime(3353): at dalvik.system.NativeStart.main(Native Method)
11-12 17:51:11.500: E/AndroidRuntime(3353): Caused by: java.lang.IllegalStateException: The specified child already has a parent. You must call removeView() on the child's parent first.
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.view.ViewGroup.addViewInner(ViewGroup.java:3378)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.view.ViewGroup.addView(ViewGroup.java:3249)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.view.ViewGroup.addView(ViewGroup.java:3194)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.view.ViewGroup.addView(ViewGroup.java:3170)
11-12 17:51:11.500: E/AndroidRuntime(3353): at com.example.contacts_appetite.ContactDetalisList.getView(ContactDetalisList.java:139)
11-12 17:51:11.500: E/AndroidRuntime(3353): at com.example.contacts_appetite.ContactDetalisList.onCreate(ContactDetalisList.java:65)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.app.Activity.performCreate(Activity.java:5008)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
11-12 17:51:11.500: E/AndroidRuntime(3353): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
11-12 17:51:11.500: E/AndroidRuntime(3353): ... 11 more
解决方案
this The specified child already has a parent. You must call removeView() on the child's parent first.
because you are adding child( radio group ) to the parent layout multiple times.
try like this
private void createRadioButton() {
final RadioButton[] rb = new RadioButton[5];
RadioGroup rg = new RadioGroup(this); //create the RadioGroup
rg.setOrientation(RadioGroup.HORIZONTAL);//or RadioGroup.VERTICAL
for(int i=0; i<5; i++){
rb[i] = new RadioButton(this);
rg.addView(rb[i]);
rb[i].setText(" " + ContactsActivity.phonetype.get(i)
+ " " + ContactsActivity.phone.get(i));
rb[i].setId(i + 100);
rg.addView(radiobutton[i]);
}
ll.addView(rg);//you add the whole RadioGroup to the layout
}
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