java TabHost在使用自定义活动时崩溃
因此,我通过拖放制作了一个标签,然后在标签中进行编码,使其工作正常。然而,我不得不使用标签线性布局的内容,这是不一致的。所以我决定为每个标签做一个单独的活动。现在,当我将集合内容更改为类的意图时,我的项目崩溃了。我在谷歌上搜索了这个,并寻找了修复方法,但什么都没有
这是我的密码:
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
InitTabHost();
}
private void InitTabHost(){
//Setup Initial Tab Host
TabHost tbHost = (TabHost)findViewById(R.id.tabHost);
tbHost.setup();
//Setup Tab 1
TabHost.TabSpec NFtab = tbHost.newTabSpec("one");
NFtab.setIndicator("News Feed");
Intent intent = new Intent(this,NewsFeed.class);
NFtab.setContent(intent);
tbHost.addTab(NFtab);
TabHost.TabSpec AGTab = tbHost.newTabSpec("two");
AGTab.setIndicator("Art Gallery");
AGTab.setContent(R.id.tab2);
tbHost.addTab(AGTab);
TabHost.TabSpec CreateTab = tbHost.newTabSpec("three");
CreateTab.setIndicator("Create");
CreateTab.setContent(R.id.tab3);
tbHost.addTab(CreateTab);
TabHost.TabSpec ProfileTab = tbHost.newTabSpec("Four");
ProfileTab.setIndicator("Profile");
ProfileTab.setContent(R.id.tab4);
tbHost.addTab(ProfileTab);
}}
以下是我使用tabhost的主要布局:
<?xml version="1.0" encoding="utf-8"?>
<TabHost
安卓:layout_width="match_parent"
安卓:layout_height="match_parent"
安卓:id="@+id/tabHost">
<RelativeLayout
安卓:layout_width="match_parent"
安卓:layout_height="match_parent"
安卓:orientation="vertical">
<TabWidget
安卓:id="@安卓:id/tabs"
安卓:layout_alignParentBottom="true"
安卓:layout_width="match_parent"
安卓:layout_height="wrap_content"
/>
<FrameLayout
安卓:id="@安卓:id/tabcontent"
安卓:layout_width="match_parent"
安卓:layout_height="match_parent">
<LinearLayout
安卓:id="@+id/tab1"
安卓:layout_width="match_parent"
安卓:layout_height="match_parent"
安卓:orientation="vertical">
</LinearLayout>
<LinearLayout
安卓:id="@+id/tab2"
安卓:layout_width="match_parent"
安卓:layout_height="match_parent"
安卓:orientation="vertical">
</LinearLayout>
<LinearLayout
安卓:id="@+id/tab3"
安卓:layout_width="match_parent"
安卓:layout_height="match_parent"
安卓:orientation="vertical">
</LinearLayout>
<LinearLayout
安卓:id="@+id/tab4"
安卓:layout_width="match_parent"
安卓:layout_height="match_parent"
安卓:orientation="vertical">
</LinearLayout>
</FrameLayout>
</RelativeLayout>
</TabHost>
这是另一个活动课:
public class NewsFeed extends TabActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_news_feed);
}}
编辑日志:
07/28 01:56:29: Launching app
$ adb shell am start -n "com.example.akashbakshi.artnsketch/com.example.akashbakshi.artnsketch.MainActivity" -a 安卓.intent.action.MAIN -c 安卓.intent.category.LAUNCHER
Connected to process 3940 on device Nexus_6P_API_23 [emulator-5554]
I/art: Not late-enabling -Xcheck:jni (already on)
W/System: ClassLoader referenced unknown path: /data/app/com.example.akashbakshi.artnsketch-2/lib/x86
W/System: ClassLoader referenced unknown path: /data/app/com.example.akashbakshi.artnsketch-2/lib/x86
W/art: Before Android 4.1, method 安卓.graphics.PorterDuffColorFilter 安卓.support.graphics.drawable.VectorDrawableCompat.updateTintFilter(安卓.graphics.PorterDuffColorFilter, 安卓.content.res.ColorStateList, 安卓.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in 安卓.graphics.drawable.Drawable
D/AndroidRuntime: Shutting down VM
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.akashbakshi.artnsketch, PID: 3940
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.akashbakshi.artnsketch/com.example.akashbakshi.artnsketch.MainActivity}: java.lang.IllegalStateException: Did you forget to call 'public void setup(LocalActivityManager activityGroup)'?
at 安卓.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
at 安卓.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at 安卓.app.ActivityThread.-wrap11(ActivityThread.java)
at 安卓.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at 安卓.os.Handler.dispatchMessage(Handler.java:102)
at 安卓.os.Looper.loop(Looper.java:148)
at 安卓.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.安卓.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.安卓.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: java.lang.IllegalStateException: Did you forget to call 'public void setup(LocalActivityManager activityGroup)'?
at 安卓.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:722)
at 安卓.widget.TabHost.setCurrentTab(TabHost.java:388)
at 安卓.widget.TabHost.addTab(TabHost.java:222)
at com.example.akashbakshi.artnsketch.MainActivity.InitTabHost(MainActivity.java:30)
at com.example.akashbakshi.artnsketch.MainActivity.onCreate(MainActivity.java:15)
at 安卓.app.Activity.performCreate(Activity.java:6237)
at 安卓.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
at 安卓.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
at 安卓.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
at 安卓.app.ActivityThread.-wrap11(ActivityThread.java)
at 安卓.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
at 安卓.os.Handler.dispatchMessage(Handler.java:102)
at 安卓.os.Looper.loop(Looper.java:148)
at 安卓.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.安卓.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.安卓.internal.os.ZygoteInit.main(ZygoteInit.java:616)
# 1 楼答案
以下链接:Your content must have a TabHost whose id attribute is 'android.R.id.tabhost'
我将tabhost改为android:id/tabhost,将NewsFeed改为Activity,从而解决了这个问题
# 2 楼答案
您可以使用我的代码:
MyTabs。java
主要活动。xml
内部main活动。java