无法在Android的实例活动 [英] Unable to instantiate activity in android

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本文介绍了无法在Android的实例活动的处理方法,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

当我运行我的项目,它会显示在日志猫以下信息,请帮助我。我已清理的项目很多次。而且我在使用其他模板。

  06-06 14:08:42.251:ERROR / AndroidRuntime(432):致命异常:主要
06-06 14:08:42.251:ERROR / AndroidRuntime(432):了java.lang.RuntimeException:无法实例活动ComponentInfo {org.shopzilla.android.common / org.shopzilla.android.common.MainActivity}的java.lang .ClassNotFoundException:org.shopzilla.android.common.MainActivity装载机dalvik.system.PathClassLoader [/data/app/org.shopzilla.android.common-2.apk]
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在android.app.ActivityThread.access $ 1500(ActivityThread.java:117)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:931)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在android.os.Handler.dispatchMessage(Handler.java:99)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在android.os.Looper.loop(Looper.java:123)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在android.app.ActivityThread.main(ActivityThread.java:3683)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在java.lang.reflect.Method.invokeNative(本机方法)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在java.lang.reflect.Method.invoke(Method.java:507)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:839)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在dalvik.system.NativeStart.main(本机方法)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):抛出java.lang.ClassNotFoundException:致org.shopzilla.android.common.MainActivity装载机dalvik.system.PathClassLoader [/data/app/org.shopzilla .android.common-2.apk]
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在java.lang.ClassLoader.loadClass(ClassLoader.java:551)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在java.lang.ClassLoader.loadClass(ClassLoader.java:511)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在android.app.Instrumentation.newActivity(Instrumentation.java:1021)
06-06 14:08:42.251:ERROR / AndroidRuntime(432):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1561)

*的清单文件*

 <?XML版本=1.0编码=UTF-8&GT?;
<清单的xmlns:机器人=htt​​p://schemas.android.com/apk/res/android
      包=org.shopzilla.android.common
      安卓版code =1
      机器人:=的versionName1.0>
    <应用机器人:图标=@绘制/图标机器人:标签=@字符串/ APP_NAME>
        <活动机器人:MainActivityNAME =机器人:主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =画像
                  机器人:标签=@字符串/ APP_NAME>
            &所述;意图滤光器>
                <作用机器人:名字=android.intent.action.MAIN/>
                <类机器人:名字=android.intent.category.LAUNCHER/>
            &所述; /意图滤光器>
        < /活性GT;
 <活动机器人:名字=org.shopzilla.android.search.SearchTabActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
 <活动机器人:名字=org.shopzilla.android.Bar code.Bar codeTabActivity机器人:主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>&LT ; /活性GT;
 <活动机器人:名字=org.shopzilla.android.favorites.MyFavoritesTabActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
 <活动机器人:名字=org.shopzilla.android.search.SearchResultActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
 <活动机器人:名字=org.shopzilla.android.search.SearchSuggestionActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
  <活动机器人:名字=org.shopzilla.android.search.SearchGridActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
  <活动机器人:名字=org.shopzilla.android.search.SearchRefine安卓主题=@安卓风格/ Theme.Translucent.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
   <活动机器人:名字=org.shopzilla.android.product.ProductComparisonActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
   <活动机器人:名字=org.shopzilla.android.product.ProductDetailActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
   <活动机器人:名字=org.shopzilla.android.product.ProductShareActivity安卓主题=@安卓风格/ Theme.Translucent.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
   <活动机器人:名字=org.shopzilla.android.product.ProductZoomActivity安卓主题=@安卓风格/ Theme.Translucent.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
   <活动机器人:名字=org.shopzilla.android.moretab.SettingActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
   <活动机器人:名字=org.shopzilla.android.moretab.AboutActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
   <活动机器人:名字=org.shopzilla.android.moretab.PrivacyPolicyActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
   <活动机器人:名字=org.shopzilla.android.favorites.MyfavoritesTabActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
   <活动机器人:名字=org.shopzilla.android.facebook.FacebookActivity安卓主题=@安卓风格/ Theme.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
    <活动机器人:名字=org.shopzilla.android.moretab.More安卓主题=@安卓风格/ Theme.Translucent.NoTitleBar机器人:screenOrientation =肖像>< /活性GT;
    <活动机器人:名字=com.google.zxing.client.android.CaptureActivity
              机器人:screenOrientation =风景
              机器人:configChanges =方向| keyboardHidden
              机器人:主题=@安卓风格/ Theme.NoTitleBar.Fullscreen
              机器人:windowSoftInputMode =stateAlwaysHidden>
      &所述;意图滤光器>
       <作用机器人:名字=android.intent.action.VIEW/>
        <类机器人:名字=android.intent.category.DEFAULT/>
        <类机器人:名字=android.intent.category.BROWSABLE/>
      &所述; /意图滤光器>
      &所述;意图滤光器>
        <作用机器人:名字=com.google.zxing.client.android.SCAN/>
        <类机器人:名字=android.intent.category.DEFAULT/>
      &所述; /意图滤光器>
      <! - 允许Web应用程序通过链接到http://zxing.appspot.com/scan推出酒吧code扫描仪。 - >
      &所述;意图滤光器>
        <作用机器人:名字=android.intent.action.VIEW/>
        <类机器人:名字=android.intent.category.DEFAULT/>
        <类机器人:名字=android.intent.category.BROWSABLE/>
        <数据机器人:计划=HTTP机器人:主机=zxing.appspot.com机器人:PATH =/扫描/>
      &所述; /意图滤光器>
      <! - 我们也支持谷歌产品搜索URL。 - >
      &所述;意图滤光器>
        <作用机器人:名字=android.intent.action.VIEW/>
        <类机器人:名字=android.intent.category.DEFAULT/>
        <类机器人:名字=android.intent.category.BROWSABLE/>
        <数据机器人:计划=HTTP机器人:主机=www.google.com机器人:PATH =/ M /产品/扫描/>
      &所述; /意图滤光器>
      <! - 和英国版本。 - >
      &所述;意图滤光器>
        <作用机器人:名字=android.intent.action.VIEW/>
        <类机器人:名字=android.intent.category.DEFAULT/>
        <类机器人:名字=android.intent.category.BROWSABLE/>
        <数据机器人:计划=HTTP机器人:主机=www.google.co.uk机器人:PATH =/ M /产品/扫描/>
      &所述; /意图滤光器>
    < /活性GT;
    <活动机器人:名字=。com.google.zxing.client.android preferencesActivity
              机器人:标签=@字符串/ preferences_name>
    < /活性GT;
    <活动机器人:名字=com.google.zxing.client.android.en code.En codeActivity>
      &所述;意图滤光器>
        <作用机器人:名字=com.google.zxing.client.android.EN code/>
        <类机器人:名字=android.intent.category.DEFAULT/>
      &所述; /意图滤光器>
      <! - 这使我们能够处理联系人共享按钮。 - >
      &所述;意图滤光器>
        <作用机器人:名字=android.intent.action.SEND/>
        <类机器人:名字=android.intent.category.DEFAULT/>
        <数据机器人:mime类型=文/ X-名片/>
      &所述; /意图滤光器>
    < /活性GT;
    <活动机器人:名字=com.google.zxing.client.android.book.SearchBookContentsActivity
              机器人:标签=@字符串/ sbc_name
              机器人:screenOrientation =风景
              机器人:configChanges =方向| keyboardHidden>
      &所述;意图滤光器>
        <作用机器人:名字=com.google.zxing.client.android.SEARCH_BOOK_CONTENTS/>
        <类机器人:名字=android.intent.category.DEFAULT/>
      &所述; /意图滤光器>
    < /活性GT;
    <活动机器人:名字=com.google.zxing.client.android.wifi.WifiActivity
              机器人:标签=@字符串/ wa_name
              机器人:screenOrientation =风景
              机器人:configChanges =方向| keyboardHidden>
    < /活性GT;
    <活动机器人:名字=com.google.zxing.client.android.share.ShareActivity
              机器人:标签=@字符串/ share_name
              机器人:screenOrientation =用户>
      &所述;意图滤光器>
        <作用机器人:名字=com.google.zxing.client.android.SHARE/>
        <类机器人:名字=android.intent.category.DEFAULT/>
      &所述; /意图滤光器>
    < /活性GT;
    <活动机器人:名字=com.google.zxing.client.android.share.BookmarkPickerActivity
              机器人:标签=@字符串/ bookmark_picker_name>
      &所述;意图滤光器>
        <作用机器人:名字=android.intent.action.PICK/>
        <类机器人:名字=android.intent.category.DEFAULT/>
      &所述; /意图滤光器>
    < /活性GT;
    <活动机器人:名字=com.google.zxing.client.android.share.AppPickerActivity
              机器人:标签=@字符串/ app_picker_name>
      &所述;意图滤光器>
        <作用机器人:名字=android.intent.action.PICK/>
        <类机器人:名字=android.intent.category.DEFAULT/>
      &所述; /意图滤光器>
    < /活性GT;
    <活动机器人:名字=com.google.zxing.client.android.HelpActivity
              机器人:screenOrientation =用户>
      &所述;意图滤光器>
        <作用机器人:名字=android.intent.action.VIEW/>
        <类机器人:名字=android.intent.category.DEFAULT/>
      &所述; /意图滤光器>
    < /活性GT;
    < /用途>
     <使用许可权的android:NAME =android.permission.CAMERA/>
  <使用许可权的android:NAME =android.permission.READ_CONTACTS/>
  <使用许可权的android:NAME =android.permission.WRITE_CONTACTS/>
  <使用许可权的android:NAME =android.permission.INTERNET对/>
  <使用许可权的android:NAME =com.android.browser.permission.READ_HISTORY_BOOKMARKS/>
  <使用许可权的android:NAME =android.permission.VIBRATE/>
  <使用许可权的android:NAME =android.permission.FLASHLIGHT/>
  <使用许可权的android:NAME =android.permission.WRITE_EXTERNAL_STORAG​​E/>  <! - 无线相关 - >
  <使用许可权的android:NAME =android.permission.WRITE_SETTINGS/>
  <使用许可权的android:NAME =android.permission.CHANGE_WIFI_STATE/>
  <使用许可权的android:NAME =android.permission.ACCESS_WIFI_STATE/>
  <使用许可权的android:NAME =android.permission.ACCESS_NETWORK_STATE/>
  <使用许可权的android:NAME =android.permission.WAKE_LOCK/>
  <使用许可权的android:NAME =android.permission.ACCESS_FINE_LOCATION>< /使用许可权>
< /清单>

在创建code是

  super.onCreate(savedInstanceState);
    的setContentView(R.layout.main);    按钮BTN =(按钮)findViewById(R.id.btn_Search);
    按钮btn_scanbar =(按钮)findViewById(R.id.btn_ScanBar);
    txt_search =(的TextView)findViewById(R.id.txt_Search);   recent.add(txt_search.getText()的toString());
  。关键字= txt_search.getText()的toString();
   //打开搜索结果活动
  的ShowDialog(0);
    btn.setOnClickListener(新View.OnClickListener(){        公共无效的onClick(查看为arg0){
            // TODO自动生成方法存根
            意向意图=新意图(MainActivity.this,SearchResultActivity.class);
            intent.putExtra(关键词,txt_search.getText()的toString());
            startActivity(意向);        }
    });
    //打开扫描酒吧code活性
    btn_scanbar.setOnClickListener(新View.OnClickListener(){
        公共无效的onClick(查看为arg0){
            // TODO自动生成方法存根
            意向意图=新意图(MainActivity.this,CaptureActivity.class);
            startActivity(意向);
        }
    });    //地理编码    this.locationManager =
        (的LocationManager)getSystemService(Context.LOCATION_SERVICE);    //订阅位置管理器的最新信息当前位置
    this.locationManager.requestLocationUpdates(GPS,(长)30000,(浮点)10.0,新LocationListener的()
        {
            公共无效onLocationChanged(位置为arg0)
            {
                handleLocationChanged(为arg0);
            }            公共无效onProviderDisabled(字符串为arg0){
                // TODO自动生成方法存根            }            公共无效onProviderEnabled(字符串为arg0){
                // TODO自动生成方法存根            }            公共无效onStatusChanged(字符串为arg0,ARG1 INT,捆绑ARG2){
                // TODO自动生成方法存根
            }
        });


解决方案

请确保您的包活动 MainActivity 真的是 org.shopzilla .android.common

 <活动机器人:名字=yourPackage.MainActivity/>

when i am running my project it will show the following message on log cat please help me. i have cleaned project many times. and i am using rest Templates.

06-06 14:08:42.251: ERROR/AndroidRuntime(432): FATAL EXCEPTION: main
06-06 14:08:42.251: ERROR/AndroidRuntime(432): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{org.shopzilla.android.common/org.shopzilla.android.common.MainActivity}: java.lang.ClassNotFoundException: org.shopzilla.android.common.MainActivity in loader dalvik.system.PathClassLoader[/data/app/org.shopzilla.android.common-2.apk]
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at android.app.ActivityThread.access$1500(ActivityThread.java:117)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at android.os.Handler.dispatchMessage(Handler.java:99)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at android.os.Looper.loop(Looper.java:123)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at android.app.ActivityThread.main(ActivityThread.java:3683)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at java.lang.reflect.Method.invokeNative(Native Method)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at java.lang.reflect.Method.invoke(Method.java:507)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at dalvik.system.NativeStart.main(Native Method)
06-06 14:08:42.251: ERROR/AndroidRuntime(432): Caused by: java.lang.ClassNotFoundException: org.shopzilla.android.common.MainActivity in loader dalvik.system.PathClassLoader[/data/app/org.shopzilla.android.common-2.apk]
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at android.app.Instrumentation.newActivity(Instrumentation.java:1021)
06-06 14:08:42.251: ERROR/AndroidRuntime(432):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1561)

*Manifest File is *

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="org.shopzilla.android.common"
      android:versionCode="1"
      android:versionName="1.0">


    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".MainActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
 <activity android:name="org.shopzilla.android.search.SearchTabActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
 <activity android:name="org.shopzilla.android.Barcode.BarcodeTabActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
 <activity android:name="org.shopzilla.android.favorites.MyFavoritesTabActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
 <activity android:name="org.shopzilla.android.search.SearchResultActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
 <activity android:name="org.shopzilla.android.search.SearchSuggestionActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
  <activity android:name="org.shopzilla.android.search.SearchGridActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
  <activity android:name="org.shopzilla.android.search.SearchRefine" android:theme="@android:style/Theme.Translucent.NoTitleBar" android:screenOrientation="portrait"></activity>
   <activity android:name="org.shopzilla.android.product.ProductComparisonActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
   <activity android:name="org.shopzilla.android.product.ProductDetailActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
   <activity android:name="org.shopzilla.android.product.ProductShareActivity" android:theme="@android:style/Theme.Translucent.NoTitleBar" android:screenOrientation="portrait"></activity>
   <activity android:name="org.shopzilla.android.product.ProductZoomActivity" android:theme="@android:style/Theme.Translucent.NoTitleBar" android:screenOrientation="portrait"></activity>
   <activity android:name="org.shopzilla.android.moretab.SettingActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
   <activity android:name="org.shopzilla.android.moretab.AboutActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
   <activity android:name="org.shopzilla.android.moretab.PrivacyPolicyActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
   <activity android:name="org.shopzilla.android.favorites.MyfavoritesTabActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
   <activity android:name="org.shopzilla.android.facebook.FacebookActivity" android:theme="@android:style/Theme.NoTitleBar" android:screenOrientation="portrait"></activity>
    <activity android:name="org.shopzilla.android.moretab.More" android:theme="@android:style/Theme.Translucent.NoTitleBar" android:screenOrientation="portrait"></activity>


    <activity android:name="com.google.zxing.client.android.CaptureActivity"
              android:screenOrientation="landscape"
              android:configChanges="orientation|keyboardHidden"
              android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
              android:windowSoftInputMode="stateAlwaysHidden">
      <intent-filter>
       <action android:name="android.intent.action.VIEW"/>
        <category android:name="android.intent.category.DEFAULT"/>
        <category android:name="android.intent.category.BROWSABLE"/>
      </intent-filter>
      <intent-filter>
        <action android:name="com.google.zxing.client.android.SCAN"/>
        <category android:name="android.intent.category.DEFAULT"/>
      </intent-filter>
      <!-- Allow web apps to launch Barcode Scanner by linking to http://zxing.appspot.com/scan. -->
      <intent-filter>
        <action android:name="android.intent.action.VIEW"/>
        <category android:name="android.intent.category.DEFAULT"/>
        <category android:name="android.intent.category.BROWSABLE"/>
        <data android:scheme="http" android:host="zxing.appspot.com" android:path="/scan"/>
      </intent-filter>
      <!-- We also support a Google Product Search URL. -->
      <intent-filter>
        <action android:name="android.intent.action.VIEW"/>
        <category android:name="android.intent.category.DEFAULT"/>
        <category android:name="android.intent.category.BROWSABLE"/>
        <data android:scheme="http" android:host="www.google.com" android:path="/m/products/scan"/>
      </intent-filter>
      <!-- And the UK version. -->
      <intent-filter>
        <action android:name="android.intent.action.VIEW"/>
        <category android:name="android.intent.category.DEFAULT"/>
        <category android:name="android.intent.category.BROWSABLE"/>
        <data android:scheme="http" android:host="www.google.co.uk" android:path="/m/products/scan"/>
      </intent-filter>
    </activity>
    <activity android:name="com.google.zxing.client.android.PreferencesActivity"
              android:label="@string/preferences_name">
    </activity>
    <activity android:name="com.google.zxing.client.android.encode.EncodeActivity">
      <intent-filter>
        <action android:name="com.google.zxing.client.android.ENCODE"/>
        <category android:name="android.intent.category.DEFAULT"/>
      </intent-filter>
      <!-- This allows us to handle the Share button in Contacts. -->
      <intent-filter>
        <action android:name="android.intent.action.SEND"/>
        <category android:name="android.intent.category.DEFAULT"/>
        <data android:mimeType="text/x-vcard"/>
      </intent-filter>
    </activity>
    <activity android:name="com.google.zxing.client.android.book.SearchBookContentsActivity"
              android:label="@string/sbc_name"
              android:screenOrientation="landscape"
              android:configChanges="orientation|keyboardHidden">
      <intent-filter>
        <action android:name="com.google.zxing.client.android.SEARCH_BOOK_CONTENTS"/>
        <category android:name="android.intent.category.DEFAULT"/>
      </intent-filter>
    </activity>
    <activity android:name="com.google.zxing.client.android.wifi.WifiActivity"
              android:label="@string/wa_name"
              android:screenOrientation="landscape"
              android:configChanges="orientation|keyboardHidden">
    </activity>
    <activity android:name="com.google.zxing.client.android.share.ShareActivity"
              android:label="@string/share_name"
              android:screenOrientation="user">
      <intent-filter>
        <action android:name="com.google.zxing.client.android.SHARE"/>
        <category android:name="android.intent.category.DEFAULT"/>
      </intent-filter>
    </activity>
    <activity android:name="com.google.zxing.client.android.share.BookmarkPickerActivity"
              android:label="@string/bookmark_picker_name">
      <intent-filter>
        <action android:name="android.intent.action.PICK"/>
        <category android:name="android.intent.category.DEFAULT"/>
      </intent-filter>
    </activity>
    <activity android:name="com.google.zxing.client.android.share.AppPickerActivity"
              android:label="@string/app_picker_name">
      <intent-filter>
        <action android:name="android.intent.action.PICK"/>
        <category android:name="android.intent.category.DEFAULT"/>
      </intent-filter>
    </activity>
    <activity android:name="com.google.zxing.client.android.HelpActivity"
              android:screenOrientation="user">
      <intent-filter>
        <action android:name="android.intent.action.VIEW"/>
        <category android:name="android.intent.category.DEFAULT"/>
      </intent-filter>
    </activity>
    </application>
     <uses-permission android:name="android.permission.CAMERA"/>
  <uses-permission android:name="android.permission.READ_CONTACTS"/>
  <uses-permission android:name="android.permission.WRITE_CONTACTS"/>
  <uses-permission android:name="android.permission.INTERNET"/>
  <uses-permission android:name="com.android.browser.permission.READ_HISTORY_BOOKMARKS"/>
  <uses-permission android:name="android.permission.VIBRATE"/>
  <uses-permission android:name="android.permission.FLASHLIGHT"/>
  <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

  <!-- Wifi related  -->
  <uses-permission android:name="android.permission.WRITE_SETTINGS" />
  <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
  <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
  <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
  <uses-permission android:name="android.permission.WAKE_LOCK" />
  <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission>
</manifest>

On Create code is

    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    Button btn = (Button)findViewById(R.id.btn_Search);
    Button btn_scanbar = (Button)findViewById(R.id.btn_ScanBar);
    txt_search = (TextView)findViewById(R.id.txt_Search);

   recent.add(txt_search.getText().toString());
  keyword=  txt_search.getText().toString();
   //Open Search Result Activity
  showDialog(0);
    btn.setOnClickListener(new View.OnClickListener() {

        public void onClick(View arg0) {
            // TODO Auto-generated method stub
            Intent intent = new Intent(MainActivity.this,SearchResultActivity.class);
            intent.putExtra("keyword",txt_search.getText().toString());
            startActivity(intent);

        }
    });
    //Open Scan BarCode Activity
    btn_scanbar.setOnClickListener(new View.OnClickListener() {


        public void onClick(View arg0) {
            // TODO Auto-generated method stub
            Intent intent = new Intent(MainActivity.this,CaptureActivity.class);
            startActivity(intent);
        }
    });

    //Geo Coding

    this.locationManager = 
        (LocationManager) getSystemService(Context.LOCATION_SERVICE);

    // Subscribe to the location manager's updates on the current location
    this.locationManager.requestLocationUpdates("gps", (long)30000, (float) 10.0, new LocationListener()
        {
            public void onLocationChanged(Location arg0) 
            {
                handleLocationChanged(arg0);
            }

            public void onProviderDisabled(String arg0) {
                // TODO Auto-generated method stub

            }

            public void onProviderEnabled(String arg0) {
                // TODO Auto-generated method stub

            }

            public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
                // TODO Auto-generated method stub
            }
        });

解决方案

make sure that the package of your activity MainActivity is really org.shopzilla.android.common .

<activity android:name="yourPackage.MainActivity" />

这篇关于无法在Android的实例活动的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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