首页 \ 问答 \ Android hello world无效(Android hello world is not working)

Android hello world无效(Android hello world is not working)

 我的logcat错误和代码如下： 
 

public class MainActivity extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
}

 

 logcat的： 
 

08-15 11:42:43.735: D/AndroidRuntime(1864): Shutting down VM

08-15 11:42:43.735: W/dalvikvm(1864): threadid=1: thread exiting with uncaught exception (group=0xb1d54ce8)
08-15 11:42:43.755: E/AndroidRuntime(1864): FATAL EXCEPTION: main
08-15 11:42:43.755: E/AndroidRuntime(1864): Process: com.example.helloworld, PID: 1864
08-15 11:42:43.755: E/AndroidRuntime(1864): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.helloworld/com.example.helloworld.MainActivity}: android.util.AndroidRuntimeException: You cannot combine swipe dismissal and the action bar.
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2197)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2258)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread.access$800(ActivityThread.java:138)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1209)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.os.Handler.dispatchMessage(Handler.java:102)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.os.Looper.loop(Looper.java:136)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread.main(ActivityThread.java:5026)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at java.lang.reflect.Method.invokeNative(Native Method)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at java.lang.reflect.Method.invoke(Method.java:515)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at dalvik.system.NativeStart.main(Native Method)
08-15 11:42:43.755: E/AndroidRuntime(1864): Caused by: android.util.AndroidRuntimeException: You cannot combine swipe dismissal and the action bar.
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.policy.impl.PhoneWindow.requestFeature(PhoneWindow.java:275)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.policy.impl.PhoneWindow.generateLayout(PhoneWindow.java:2872)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.policy.impl.PhoneWindow.installDecor(PhoneWindow.java:3129)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:303)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.Activity.setContentView(Activity.java:1930)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.example.helloworld.MainActivity.onCreate(MainActivity.java:14)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.Activity.performCreate(Activity.java:5242)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2161)
08-15 11:42:43.755: E/AndroidRuntime(1864):     ... 11 more


My logcat error and code is given below:
 

public class MainActivity extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
}

 

Logcat:
 

08-15 11:42:43.735: D/AndroidRuntime(1864): Shutting down VM

08-15 11:42:43.735: W/dalvikvm(1864): threadid=1: thread exiting with uncaught exception (group=0xb1d54ce8)
08-15 11:42:43.755: E/AndroidRuntime(1864): FATAL EXCEPTION: main
08-15 11:42:43.755: E/AndroidRuntime(1864): Process: com.example.helloworld, PID: 1864
08-15 11:42:43.755: E/AndroidRuntime(1864): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.helloworld/com.example.helloworld.MainActivity}: android.util.AndroidRuntimeException: You cannot combine swipe dismissal and the action bar.
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2197)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2258)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread.access$800(ActivityThread.java:138)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1209)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.os.Handler.dispatchMessage(Handler.java:102)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.os.Looper.loop(Looper.java:136)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread.main(ActivityThread.java:5026)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at java.lang.reflect.Method.invokeNative(Native Method)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at java.lang.reflect.Method.invoke(Method.java:515)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at dalvik.system.NativeStart.main(Native Method)
08-15 11:42:43.755: E/AndroidRuntime(1864): Caused by: android.util.AndroidRuntimeException: You cannot combine swipe dismissal and the action bar.
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.policy.impl.PhoneWindow.requestFeature(PhoneWindow.java:275)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.policy.impl.PhoneWindow.generateLayout(PhoneWindow.java:2872)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.policy.impl.PhoneWindow.installDecor(PhoneWindow.java:3129)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:303)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.Activity.setContentView(Activity.java:1930)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at com.example.helloworld.MainActivity.onCreate(MainActivity.java:14)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.Activity.performCreate(Activity.java:5242)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
08-15 11:42:43.755: E/AndroidRuntime(1864):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2161)
08-15 11:42:43.755: E/AndroidRuntime(1864):     ... 11 more


原文：https://stackoverflow.com/questions/25326002
更新时间：2023-01-25 15:01

最满意答案

 我想到了！ 我必须命名手风琴的各个部分，然后从后面的代码创建JQuery单击事件以填充文字。 这是解决方案的一面。 
 

<div id="accordion" name="accordion"> 
     <asp:Repeater ID="rptAccordion" runat="server" OnItemCreated="rptAccordion_ItemCreated" >
         <ItemTemplate>
             <div class="accordion"><a id="section<%# i-1 %>" href="#"> Accordion header stuff </a><div>
             <div> panel stuff </div>
         </ItemTemplate>
     </asp:Repeater>
</div>
<script type="text/javascript">
    $(".accordion").accordion({ collapsible: true, active: false, icons: { "header": "ui-icon-triangle-1-e", "activeHeader": "ui-icon-triangle-1-s"} });

    $(document).ready(function () {
        <asp:Literal ID="ltJsShowBlock" runat="server" />
    });    
</script>

 

 然后在后面的代码中，在项目创建的事件中增加i。 
 

public void rptAccordion_ItemCreated(object sender, RepeaterItemEventArgs e)
{
   i++;
}

 

 然后创建cicks并将字符串分配给文字。 
 

private void preselectAccordion(List<sectiondata> sections)
    {
        var js = string.Empty;
        string format = @"$(""#section*"").click(); ";
        for (int i = 0; i < sections.Count; i++)
        {
            if (sections[i].meetsCondition == true)
            {
                js += format.Replace("*", i.ToString());
            }
        }

        ltJsShowBlock.Text = js;
    }


I figured it out! I had to name the sections of the accordion, then create JQuery click events from the code behind to populate a literal. This is ui side of the solution. 
 

<div id="accordion" name="accordion"> 
     <asp:Repeater ID="rptAccordion" runat="server" OnItemCreated="rptAccordion_ItemCreated" >
         <ItemTemplate>
             <div class="accordion"><a id="section<%# i-1 %>" href="#"> Accordion header stuff </a><div>
             <div> panel stuff </div>
         </ItemTemplate>
     </asp:Repeater>
</div>
<script type="text/javascript">
    $(".accordion").accordion({ collapsible: true, active: false, icons: { "header": "ui-icon-triangle-1-e", "activeHeader": "ui-icon-triangle-1-s"} });

    $(document).ready(function () {
        <asp:Literal ID="ltJsShowBlock" runat="server" />
    });    
</script>

 

Then in the code behind you increment i in the item created event.
 

public void rptAccordion_ItemCreated(object sender, RepeaterItemEventArgs e)
{
   i++;
}

 

Then you create the cicks and assign the string to the literal.
 

private void preselectAccordion(List<sectiondata> sections)
    {
        var js = string.Empty;
        string format = @"$(""#section*"").click(); ";
        for (int i = 0; i < sections.Count; i++)
        {
            if (sections[i].meetsCondition == true)
            {
                js += format.Replace("*", i.ToString());
            }
        }

        ltJsShowBlock.Text = js;
    }

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