android error solutions | marstau's blog

Wrong orientation? No orientation specified, and the default is horizontal, yet this layout has multiple children where at least one has layout_width="match_parent"

在其后加上这个即可：android:orientation=”horizontal”
Error in an XML file: aborting build.

原来是<color name=”mycolor”>#7fff00</color> 双引号要改成英文的双引号：<color name=”mycolor”>#7fff00</color>
自定义控件编译不通过

<siwi.map.android.ActionBar这一行老是出错，将自定义控件放到R.java文件所在的package中,就可以解决
自定义控件无限崩溃

因为要设置主题，在AndroidManifest.xml中的，崩溃是因为将主题设置为android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
百度地图运行时显示error code:162

原因是工程目录libs/armeabi/下的liblocSDK3.so未加载成功，将liblocSDK3.so加载过来即可。
加入actionbarsherlock后Dex Loader：Unable to execute dex: Multiple dex files

将libs下的jar文件删除。

Use View.isInEditMode() in your custom views to skip code when shown in Eclipse

将错误代码段用

if(!isInEditMode()){
//造成错误的代码段
}  包起来，这样在Eclipse中显示时将跳过此代码段而不再出现错误。

your content must have a listview whose id attribute is android R.id.list

往actionbar中添加listview报这个错,在对应的listview的xml中将id修改为android:id=”@id/android:list”（自己定义的adapter也是一样的，然后findViewById(android.R.id.list)即可）原来是用的SherlockListFragment，改成SherlockFragment即可。
adb shell总是提示：error:device not found

原来是adb版本的问题,找到一个包含四个文件的adb，解决。
adb遇到此提示opendir failed, Permission denied

adb的命令行权限是($),获得root权限即可，运行命令->su,若手机root过了,则命令行图标会变成(#)，解决。
failed to copy 'sqlite3.exe' to '\system\sqlite3.exe': Read-only file system

</div> Android是基于Linux开发的，其所使用的文件系统当然也是Linux内核所能支持的，比如YAFFS或者Ext3等，在这些文件系统里，是没有盘符概念的，而且路径名是使用斜杠“/”来分隔的，这一点，Windows系统和它有着明显的区分：Windows文件系统中有盘符（F:/，C:/），并且路径是用反斜杠“/”来分隔。因此上面的adb push命令的第二个参数 mnt/sdcard 是不伦不类的表示法，问题就出在这里。解决办法：将第二个参数，也就是\system\sqlite3.exe改成/system/sqlite3.exe即可。这个命令还是很特别的，两个参数面向的平台可以是不同的，因此，如sele果在Linux系统下就不会出现这个问题了.可参考此页

java.lang.RuntimeException: Parcelable encountered IOException writing serializable object

</div> 原因是传递的Parcelable对象里面的对象也要Parcelable或者Serializable

android.view.InflateException: Binary XML file line #8: Error inflating class PullDownView

</div> 在自定义空间要用全路径名,<PullDownView 改成<siwi.map.android.PullDownView即可。

AndroidRuntime(5560): at android.widget.Toast.(Toast.java:94)

</div> 若一个activity声明周期结束了,但是Toast是放在消息队列尾部执行,所以不知道activity声明周期是否结束了,然后Toast的UI就会直接当掉,所以最好在Toast前加入activity是否结束的判断标志。

eclipse svn mkactivity request failed或者eclipse 405 Method Not Allowed

</div> URL的http改成https

代码混淆时,引入ksoap2-android-assembly-2.4-jar-with-dependencies.jar报错 Proguard returned with error code 1. See console Note: there were 4 duplicate class definitions. Warning: library class android.content.res.XmlResourceParser extends or implements program class org.xmlpull.v1.XmlPullParser

在proguard.cfg中加入此句：
```
-dontwarn org.xmlpull.v1.XmlPullParser
-dontwarn org.xmlpull.v1.XmlSerializer
```
subclipse svn提交，报错connection refused by the server svn: E175002: OPTIONS request failed on '/svn/_Login/res/values'

</div>

找到目录I:\Documents and Settings\Administrator\Application Data\Subversion下的servers文件,在142行([global])加入一行http-proxy-exceptions = 10.*, *.gmcc.net，然后再重新提交。
重启eclipse.
重新定位资源库的位置。
android.content.res.Resources$NotFoundException:String resource ID。出错行是dishNumber.setText(items.get(dish.get_dishID()).get_totalNum());

</div> 因为值是int,所以报错,转成string即可，dishNumber.setText(“” + items.get(dish.get_dishID()).get_totalNum());

android.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.

</div> UI更新要放到主线程中,比如adapter.notifyDataSetChanged();

Could not find actionbarsherlock.apk!

在引用了此library的工程下,Project->Properties->Java Build Path->Projects,删除掉actionbarsherlock工程,因为这里是生成apk的地方。
close() was never explicitly called on database

</div> 原来是我在程序中new了两次SQLiteOpenHelper,删掉其中一个即可

百度地图定位出错：I/LocTestDemo(9106): error code : 61

</div> armeabi/liblocSDK3.so文件未导入进来，导入后clean即可。

Execution default-generate-sources of goal com.jayway.maven.plugins.android.generation2: android-maven-plugin:3.4.1:generate-sources failed: Could not find tool 'aapt'. Please provide a proper Android SDK directory path as configuration parameter <\sdk><\path>...</path></sdk> in the plugin . As an alternative, you may add the parameter to commandline: Dandroid.sdk.path=... or set environment variable ANDROID_HOME. -> [Help 1]

</div> In the last release of android sdk directory structure has changed. Build tools like aapt or dex has been moved from platform-tools to build-tools directory. Support for new directory structure was added in maven-android-plugin version 3.6.0 but you use version 3.4.1. Changing plugin version to 3.6.0 in pom.xml must help. Here is snippet from my pom.xml:(reference from this page)

  <plugin>
        <groupId>com.jayway.maven.plugins.android.generation2</groupId>
        <artifactId>android-maven-plugin</artifactId>
        <version>3.6.0</version>
        <configuration>
            <androidManifestFile>src/main/other/AndroidManifest.xml</androidManifestFile>
            <resourceDirectory>src/main/resources</resourceDirectory>
            <sourceDirectory>src/main/java</sourceDirectory>
            <sdk>
                <platform>17</platform>
                <path>/opt/android-sdk/</path>
            </sdk>
            <manifest>
                <debuggable>true</debuggable>
            </manifest>
        </configuration>
        <extensions>true</extensions>
    </plugin> * <div style="color:#F00">[ERROR]     Unresolveable build extension: Plugin com.dynamicobjx.buildtools:dynamicobjx-build-tools:1.3.1 or one of its dependencies could not be resolved: Could not find artifact com.dynamicobjx.buildtools:dynamicobjx-build-tools:jar:1.3.1 in central (http://repo1.maven.org/maven2) -> [Help 2]

</div> Apparently, maven3 started ignoring my repository configs and wasn’t seeing our repo definition of our internal repo. Pulling our buildtools module (via webdav) worked perfectly fine with maven 2 so this was really an unpleasant surprise to us to say the least. Anyway, we’ve resolved this issue since then (took a few hours =/) and the fix that we had for this was moving the declaration of the module dependency to the declaration of the plugin:

  <plugin>
  <groupId>org.apache.maven.plugins\</groupId>
  <artifactId>maven-checkstyle-plugin\</artifactId>
  <version>2.6\</version>
  <dependencies>
  <dependency>
  <groupId>com.dynamicobjx.buildtools\</groupId>
  <artifactId>dynamicobjx-build-tools\</artifactId>  
  <version>1.3.1\</version>
  </dependency>
  </dependencies>
  </plugin> And declaring our internal report in pluginRepositories:

  <pluginRepositories>
  <pluginRepository>
  <id>com.myrepo</id>
  <name>My Repo</name>
  <url>http://myrepo.com</url>
  </pluginRepository>
  </pluginRepositories> Hopefully, this helps out anyone seeing the same errors.[referenced from this page](http://dynamicobjx.com/2011/07/05/maven3-unresolveable-build-extension/) * <div style="color:#F00">@RequestMapping(value = "Jsp/UsersGroupReader.html", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)   Error: The attribute produces is undefined for the annotation type RequestMapping

</div> 将spring web的版本更新到spring 3.1.0.RELEASE以上即可解决。

spring-android-webservice数据传输 @ElementMap(entry="property", key="key", attribute=true, inline=true) private Map<Integer, MOrdersFormItem> _items = new HashMap<Integer, MOrdersFormItem>();

改为
```
@ElementMap(entry="property", key="key", attribute=true, inline=true) private Map<Integer, MOrdersFormItem> _items; // 不能直接new
```
spring-android-webservice数据传输

</div> 对于自定义的类不能用@XmlElement(name=”state”),只需直接定义set,get即可正常传输。

android-spring-webservice服务端

</div>

    @RequestMapping(value = "download_image/{image_info}", method = RequestMethod.GET, headers="Accept=image/jpeg, image/jpg, image/png, image/gif")
      byte[] getPhoto(@PathVariable String image_info/*此变量命名必须和前面的{image_info}一样*/) {
    // image_info
    } * <div style="color:#F00">java.lang.IllegalArgumentException: Service not registered: siwi.map.android.Home$2@423e76c8

</div> bindservice和unbindservice都要用同一个context，比如都用getApplicationContext

resulted in 400 (Bad Request); invoking error handler

</div> 传送的接口类最好用自动生成的constructor和get、set等，（而自动生成的constructor，即使class A未继承任何类,还是会自动生成super(),所以需要去掉。）

spring ClassNotFoundException: com.mysql.jdbc.Driver

</div> 在pom.xml中加入此句

  <groupId>mysql</groupId>
  <artifactId>mysql-connector-java</artifactId>
  <version>5.1.6</version>
  </dependency> * <div style="color:#F00">java.lang.ClassNotFoundException: org.springframework.security.ui.session.HttpSessionEventPublisher spring 2.0.5

</div> 在3.0.1以上改成了org.springframework.security.web.session.HttpSessionEventPublisher

I/O error: failed to connect to /59.51.20.29 (port 8080): connect failed: EHOSTUNREACH (No route to host);

</div> 请检查网络连接

Could not resolve dependencies for project org.springframework.android:spring-android-showcase-server:war:1.0.0.BUILD-SNAPSHOT: Could not find artifact hibernate:hibernate3:jar:3.2.3.GA in springsource-repo<http://repo.springsource.org/release>

</div> http://mvnrepository.com/artifact/org.springframework/spring-orm

  <dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-orm</artifactId>
  <version>${org.springframework-version}</version>
  </dependency> * <div style="color:#F00">The type org.hibernate.LockMode cannot be resolved. It is indirectly referenced from required .class files

</div> import org.springframework.orm.hibernate3.support.HibernateDaoSupport; 但没有把 hibernate 包加到项目中；而在用 this.getHibernateTemplate().update(book);时，内部会用到事务，从而用到 org.hibernate.lockmode这个类。而这个类就放在hibernate jar包中；所以就出现了上面的错误；http://hippoppower-sina-com.iteye.com/blog/666010

严重: Servlet.service() for servlet appServlet threw exception org.hibernate.MappingException: org.hibernate.dialect.MySQLDialect does not support sequences at org.hibernate.dialect.Dialect.getSequenceNextValString(Dialect.java:604)

WUser.hbm.xml将<generator class=”sequence”/>改为<generator class=”native”/>
HttpServletRequest request的request.getReader()读取一次,读取一次后再重复读取一次,第二次读取的便是空的

</div> —-

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