使用时,用碎片抛出:IllegalArgumentException标签 [英] IllegalArgumentException when using fragment with tab
本文介绍了使用时,用碎片抛出:IllegalArgumentException标签的处理方法,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
下面是code为我的片段活动中,我使用的标签布局。code似乎运作得很好,但没有从那里出发给予exception.I已经检查了我的观点在这两个片段但我不能找到任何错误。
包com.test.tabwithfragment;进口的java.util.HashMap;进口android.content.Context;
进口android.os.Bundle;
进口android.support.v4.app.Fragment;
进口android.support.v4.app.FragmentActivity;
进口android.support.v4.app.FragmentTransaction;
进口android.view.View;
进口android.widget.TabHost;
进口android.widget.TabHost.TabContentFactory;
公共类MainActivity扩展FragmentActivity实现TabHost.OnTabChangeListener { 私人TabHost mTabHost;
私人的HashMap<弦乐,TabInfo> mapTabInfo =新的HashMap<弦乐,TabInfo>();
私人TabInfo mLastTab = NULL; 私有类TabInfo {
私人字符串标签;
私有类<> CLSS;
私人捆绑ARGS;
私人片段片段;
TabInfo(字符串标记,类<> clazz所捆绑参数){
this.tag =标签;
this.clss = clazz所;
this.args = ARGS;
} } 类TabFactory实现TabContentFactory { 私人最终上下文mContext; 公共TabFactory(上下文的背景下){
mContext =背景;
} 公共查看createTabContent(字符串标签){
视图V =新景(mContext);
v.setMinimumWidth(0);
v.setMinimumHeight(0);
返回伏;
} } 保护无效的onCreate(捆绑savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.activity_main);
initialiseTabHost(savedInstanceState);
如果(savedInstanceState!= NULL){
mTabHost.setCurrentTabByTag(savedInstanceState.getString(标签)); //设置选项卡,每保存的状态
}
} 保护无效的onSaveInstanceState(捆绑outState){
outState.putString(标签,mTabHost.getCurrentTabTag()); //保存选定的标签
super.onSaveInstanceState(outState);
} 私人无效initialiseTabHost(捆绑参数){
mTabHost =(TabHost)findViewById(android.R.id.tabhost);
mTabHost.setup();
TabInfo tabInfo = NULL;
/ * MainActivity.addTab(在此,this.mTabHost,this.mTabHost.newTabSpec(TAB1)setIndicator(标签1),(tabInfo =新TabInfo(TAB1,FragmentOne.class,参数))。);
this.mapTabInfo.put(tabInfo.tag,tabInfo); * /
MainActivity.addTab(此,this.mTabHost,this.mTabHost.newTabSpec(TAB2)setIndicator(表2),(tabInfo =新TabInfo(TAB2,FragmentTwo.class,参数))。);
this.mapTabInfo.put(tabInfo.tag,tabInfo);
MainActivity.addTab(这一点,this.mTabHost,this.mTabHost.newTabSpec(TAB3)setIndicator(标签3),(tabInfo =新TabInfo(TAB3,FragmentTwo.class,参数)));
this.mapTabInfo.put(tabInfo.tag,tabInfo);
this.onTabChanged(TAB1);
//
mTabHost.setOnTabChangedListener(本);
} 私有静态无效addTab(MainActivity活动,TabHost tabHost,TabHost.TabSpec则tabspec,TabInfo tabInfo){
tabSpec.setContent(activity.new TabFactory(活动));
字符串标记= tabSpec.getTag();
tabInfo.fragment = activity.getSupportFragmentManager()findFragmentByTag(标签)。
如果(tabInfo.fragment =空&放大器;!&放大器;!tabInfo.fragment.isDetached()){
FragmentTransaction英尺= activity.getSupportFragmentManager()调用BeginTransaction()。
ft.detach(tabInfo.fragment);
ft.commit();
activity.getSupportFragmentManager()executePendingTransactions()。
} tabHost.addTab(则tabspec);
} 公共无效onTabChanged(字符串标签){
TabInfo newTab = this.mapTabInfo.get(标签);
如果(mLastTab!= newTab){
FragmentTransaction英尺= this.getSupportFragmentManager()调用BeginTransaction()。
如果(mLastTab!= NULL){
如果(mLastTab.fragment!= NULL){
ft.detach(mLastTab.fragment);
}
}
如果(newTab!= NULL){
如果(newTab.fragment == NULL){
newTab.fragment = Fragment.instantiate(这一点,
newTab.clss.getName(),newTab.args);
ft.add(R.id.realtabcontent,newTab.fragment,newTab.tag);
}其他{
ft.attach(newTab.fragment);
}
} mLastTab = newTab;
ft.commit();
this.getSupportFragmentManager()executePendingTransactions()。
}
}}
下面是我的logcat的副本 -
06-07 17:19:06.691:E / AndroidRuntime(13410):致命异常:主要
06-07 17:19:06.691:E / AndroidRuntime(13410):java.lang.IllegalArgumentException异常:发现身份证0x7f080000无景观(com.test.tabwithfragment:ID / realtabcontent)的片段FragmentTwo {419aca50#0 ID = 0x7f080000 TAB3 }
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:903)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1088)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1444)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:461)
06-07 17:19:06.691:E / AndroidRuntime(13410):在com.test.tabwithfragment.MainActivity.onTabChanged(MainActivity.java:115)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.widget.TabHost.invokeOnTabChangeListener(TabHost.java:391)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.widget.TabHost.setCurrentTab(TabHost.java:376)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.widget.TabHost $ 2.onTabSelectionChanged(TabHost.java:150)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.widget.TabWidget $ TabClickListener.onClick(TabWidget.java:548)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.view.View.performClick(View.java:4110)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.view.View $ PerformClick.run(View.java:17001)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.os.Handler.handleCallback(Handler.java:615)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.os.Handler.dispatchMessage(Handler.java:92)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.os.Looper.loop(Looper.java:137)
06-07 17:19:06.691:E / AndroidRuntime(13410):在android.app.ActivityThread.main(ActivityThread.java:4854)
06-07 17:19:06.691:E / AndroidRuntime(13410):在java.lang.reflect.Method.invokeNative(本机方法)
06-07 17:19:06.691:E / AndroidRuntime(13410):在java.lang.reflect.Method.invoke(Method.java:511)
06-07 17:19:06.691:E / AndroidRuntime(13410):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:789)
06-07 17:19:06.691:E / AndroidRuntime(13410):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556)
06-07 17:19:06.691:E / AndroidRuntime(13410):在dalvik.system.NativeStart.main(本机方法)
更新
我的xml文件
<?XML版本=1.0编码=UTF-8&GT?;
< LinearLayout中的xmlns:机器人=http://schemas.android.com/apk/res/android
机器人:方向=垂直
机器人:layout_width =FILL_PARENT
机器人:layout_height =FILL_PARENT>
< TabHost
机器人:ID =@机器人:ID / tabhost
机器人:layout_width =FILL_PARENT
机器人:layout_height =FILL_PARENT
>
<的LinearLayout
机器人:方向=垂直
机器人:layout_width =FILL_PARENT
机器人:layout_height =FILL_PARENT
> < TabWidget
机器人:ID =@机器人:ID /标签
机器人:方向=横向
机器人:layout_width =FILL_PARENT
机器人:layout_height =WRAP_CONTENT
机器人:layout_weight =0
/> <的FrameLayout
机器人:ID =@机器人:ID / tabcontent
机器人:layout_width =0dp
机器人:layout_height =0dp
机器人:layout_weight =0/> <的FrameLayout
机器人:ID =@ +安卓:ID / realtabcontent
机器人:layout_width =FILL_PARENT
机器人:layout_height =0dp
机器人:layout_weight =1/>
< / LinearLayout中>
< / TabHost>
< / LinearLayout中>
解决方案
写
<的FrameLayout
机器人:ID =@ + ID / realtabcontent
机器人:layout_width =FILL_PARENT
机器人:layout_height =0dp
机器人:layout_weight =1/>
而不是
<的FrameLayout
机器人:ID =@ +安卓:ID / realtabcontent
机器人:layout_width =FILL_PARENT
机器人:layout_height =0dp
机器人:layout_weight =1/>
在布局
Below is the code for my Fragment Activity in which I am using tab layout.The code seems to be working just fine but from no where its starting giving exception.I already checked my view in both fragments but I cant find any error.
package com.test.tabwithfragment;
import java.util.HashMap;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentTransaction;
import android.view.View;
import android.widget.TabHost;
import android.widget.TabHost.TabContentFactory;
public class MainActivity extends FragmentActivity implements TabHost.OnTabChangeListener {
private TabHost mTabHost;
private HashMap<String, TabInfo> mapTabInfo = new HashMap<String, TabInfo>();
private TabInfo mLastTab = null;
private class TabInfo {
private String tag;
private Class<?> clss;
private Bundle args;
private Fragment fragment;
TabInfo(String tag, Class<?> clazz, Bundle args) {
this.tag = tag;
this.clss = clazz;
this.args = args;
}
}
class TabFactory implements TabContentFactory {
private final Context mContext;
public TabFactory(Context context) {
mContext = context;
}
public View createTabContent(String tag) {
View v = new View(mContext);
v.setMinimumWidth(0);
v.setMinimumHeight(0);
return v;
}
}
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initialiseTabHost(savedInstanceState);
if (savedInstanceState != null) {
mTabHost.setCurrentTabByTag(savedInstanceState.getString("tab")); //set the tab as per the saved state
}
}
protected void onSaveInstanceState(Bundle outState) {
outState.putString("tab", mTabHost.getCurrentTabTag()); //save the tab selected
super.onSaveInstanceState(outState);
}
private void initialiseTabHost(Bundle args) {
mTabHost = (TabHost)findViewById(android.R.id.tabhost);
mTabHost.setup();
TabInfo tabInfo = null;
/* MainActivity.addTab(this, this.mTabHost, this.mTabHost.newTabSpec("Tab1").setIndicator("Tab 1"), ( tabInfo = new TabInfo("Tab1", FragmentOne.class, args)));
this.mapTabInfo.put(tabInfo.tag, tabInfo);*/
MainActivity.addTab(this, this.mTabHost, this.mTabHost.newTabSpec("Tab2").setIndicator("Tab 2"), ( tabInfo = new TabInfo("Tab2", FragmentTwo.class, args)));
this.mapTabInfo.put(tabInfo.tag, tabInfo);
MainActivity.addTab(this, this.mTabHost, this.mTabHost.newTabSpec("Tab3").setIndicator("Tab 3"), ( tabInfo = new TabInfo("Tab3", FragmentTwo.class, args)));
this.mapTabInfo.put(tabInfo.tag, tabInfo);
this.onTabChanged("Tab1");
//
mTabHost.setOnTabChangedListener(this);
}
private static void addTab(MainActivity activity, TabHost tabHost, TabHost.TabSpec tabSpec, TabInfo tabInfo) {
tabSpec.setContent(activity.new TabFactory(activity));
String tag = tabSpec.getTag();
tabInfo.fragment = activity.getSupportFragmentManager().findFragmentByTag(tag);
if (tabInfo.fragment != null && !tabInfo.fragment.isDetached()) {
FragmentTransaction ft = activity.getSupportFragmentManager().beginTransaction();
ft.detach(tabInfo.fragment);
ft.commit();
activity.getSupportFragmentManager().executePendingTransactions();
}
tabHost.addTab(tabSpec);
}
public void onTabChanged(String tag) {
TabInfo newTab = this.mapTabInfo.get(tag);
if (mLastTab != newTab) {
FragmentTransaction ft = this.getSupportFragmentManager().beginTransaction();
if (mLastTab != null) {
if (mLastTab.fragment != null) {
ft.detach(mLastTab.fragment);
}
}
if (newTab != null) {
if (newTab.fragment == null) {
newTab.fragment = Fragment.instantiate(this,
newTab.clss.getName(), newTab.args);
ft.add(R.id.realtabcontent, newTab.fragment, newTab.tag);
} else {
ft.attach(newTab.fragment);
}
}
mLastTab = newTab;
ft.commit();
this.getSupportFragmentManager().executePendingTransactions();
}
}
}
Here is the copy of my logcat -
06-07 17:19:06.691: E/AndroidRuntime(13410): FATAL EXCEPTION: main
06-07 17:19:06.691: E/AndroidRuntime(13410): java.lang.IllegalArgumentException: No view found for id 0x7f080000 (com.test.tabwithfragment:id/realtabcontent) for fragment FragmentTwo{419aca50 #0 id=0x7f080000 Tab3}
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:903)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1088)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1444)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:461)
06-07 17:19:06.691: E/AndroidRuntime(13410): at com.test.tabwithfragment.MainActivity.onTabChanged(MainActivity.java:115)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.widget.TabHost.invokeOnTabChangeListener(TabHost.java:391)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.widget.TabHost.setCurrentTab(TabHost.java:376)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.widget.TabHost$2.onTabSelectionChanged(TabHost.java:150)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.widget.TabWidget$TabClickListener.onClick(TabWidget.java:548)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.view.View.performClick(View.java:4110)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.view.View$PerformClick.run(View.java:17001)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.os.Handler.handleCallback(Handler.java:615)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.os.Handler.dispatchMessage(Handler.java:92)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.os.Looper.loop(Looper.java:137)
06-07 17:19:06.691: E/AndroidRuntime(13410): at android.app.ActivityThread.main(ActivityThread.java:4854)
06-07 17:19:06.691: E/AndroidRuntime(13410): at java.lang.reflect.Method.invokeNative(Native Method)
06-07 17:19:06.691: E/AndroidRuntime(13410): at java.lang.reflect.Method.invoke(Method.java:511)
06-07 17:19:06.691: E/AndroidRuntime(13410): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:789)
06-07 17:19:06.691: E/AndroidRuntime(13410): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:556)
06-07 17:19:06.691: E/AndroidRuntime(13410): at dalvik.system.NativeStart.main(Native Method)
Update
My xml file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TabHost
android:id="@android:id/tabhost"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<LinearLayout
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TabWidget
android:id="@android:id/tabs"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="0"
/>
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_weight="0"/>
<FrameLayout
android:id="@+android:id/realtabcontent"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="1"/>
</LinearLayout>
</TabHost>
</LinearLayout>
解决方案
write
<FrameLayout
android:id="@+id/realtabcontent"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="1"/>
instead of
<FrameLayout
android:id="@+android:id/realtabcontent"
android:layout_width="fill_parent"
android:layout_height="0dp"
android:layout_weight="1"/>
in the layout
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