java - Can't invoke getChildFragmentManager in Fragment -


i building android project maven. found when call getchildfragmentmanager in v4.fragment, shows error method not found. doubt support-v4 package not newer enough because if using ant build project works fine.

however can't newer support-v4 included project. here pom.xml

<?xml version="1.0" encoding="utf-8"?> <project xmlns="http://maven.apache.org/pom/4.0.0" xmlns:xsi="http://www.w3.org/2001/xmlschema-instance" xsi:schemalocation="http://maven.apache.org/pom/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">     <modelversion>4.0.0</modelversion>     <groupid>com.meishixing</groupid>     <artifactid>crazysight</artifactid>     <version>1.0.0-snapshot</version>     <packaging>apk</packaging>     <name>crazysight</name>      <properties>         <project.build.sourceencoding>utf-8</project.build.sourceencoding>         <fest-assert.version>1.0.4</fest-assert.version>         <junit.version>4.10</junit.version>         <robolectric.version>2.0</robolectric.version>         <intellij.annotations.version>12.0</intellij.annotations.version>     </properties>      <dependencies>         <dependency>             <groupid>com.google.android</groupid>             <artifactid>android</artifactid>             <version>4.1.1.4</version>             <scope>provided</scope>         </dependency>          <dependency>             <groupid>com.viewpagerindicator</groupid>             <artifactid>library</artifactid>             <version>2.4.1</version>             <type>apklib</type>         </dependency>          <dependency>             <groupid>com.tjerkw</groupid>             <artifactid>slideexpandablelistview-library</artifactid>             <version>1.1.0-snapshot</version>             <type>apklib</type>         </dependency>          <dependency>             <groupid>com.meishixing</groupid>             <artifactid>android-async-http</artifactid>             <version>1.4.2</version>             <type>jar</type>         </dependency>         <dependency>             <groupid>com.meishixing</groupid>             <artifactid>baidu-locationp</artifactid>             <version>3.3</version>             <type>jar</type>         </dependency>          <dependency>             <groupid>com.google.code.gson</groupid>             <artifactid>gson</artifactid>             <version>2.2.4</version>             <scope>compile</scope>         </dependency>          <dependency>             <groupid>org.apache.commons</groupid>             <artifactid>commons-lang3</artifactid>             <version>3.1</version>         </dependency>         <dependency>             <groupid>com.github.chrisbanes.pulltorefresh</groupid>             <artifactid>library</artifactid>             <version>2.1.1</version>             <type>apklib</type>         </dependency>         <dependency>             <groupid>com.novoda.imageloader</groupid>             <artifactid>imageloader-core</artifactid>             <version>1.5.8</version>         </dependency>     </dependencies>     <build>         <finalname>${project.artifactid}</finalname>         <sourcedirectory>src</sourcedirectory>         <plugins>             <plugin>                 <groupid>com.jayway.maven.plugins.android.generation2</groupid>                 <artifactid>android-maven-plugin</artifactid>                 <version>3.6.2-snapshot</version>                 <configuration>                     <sdk>                         <platform>17</platform>                     </sdk>                     <manifest>                         <debuggable>true</debuggable>                     </manifest>                 </configuration>                 <extensions>true</extensions>             </plugin>         </plugins>     </build> </project>

i've been stumped hours (which why added bounty), here's how resolved it.

first of all, check project's classpath dependancies using 

mvn dependency:build-classpath

i see problem in output:

<home>/.m2\repository\android\extras\android-support\v4\android-support-v4.jar <home>/.m2\repository\android\platforms\android\android-18\android-android-18.jar <home>/.m2\repository\com\actionbarsherlock\actionbarsherlock\4.4.0\actionbarsherlock-4.4.0.apklib <home>/.m2\repository\com\google\android\support-v4\r7\support-v4-r7.jar <... more jars>

there 2 support jars included, , support-v4-r7.jar overrides newer android-support-v4.jar.

the older 1 being loaded actionbarsherlock in project (in project culprit might of apklib dependencies), excluded in project pom:

<dependency>         <groupid>com.actionbarsherlock</groupid>         <artifactid>actionbarsherlock</artifactid>         <version>4.4.0</version>         <type>apklib</type>         <exclusions>             <exclusion>                 <groupid>com.google.android</groupid>                 <artifactid>support-v4</artifactid>             </exclusion>         </exclusions> </dependency>

hopefully helps someone.


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