jni删除

1,删除jni,obj文件夹
2,打开项目所在的磁盘位置,删除.cproject文件
3,打开.project文件，删除以下代码

<buildCommand>          <name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
            <triggers>clean,full,incremental,</triggers>
            <arguments>
                <dictionary>
                    <key>?children?</key>
                    <value>?name?=outputEntries\|?children?=?name?=entry\\\\\\\|\\\|?name?=entry\\\\\\\|\\\|\||</value>
                </dictionary>
                <dictionary>
                    <key>?name?</key>
                    <value></value>
                </dictionary>
                <dictionary>
                    <key>org.eclipse.cdt.make.core.append_environment</key>
                    <value>true</value>
                </dictionary>
                <dictionary>
                    <key>org.eclipse.cdt.make.core.buildArguments</key>
                    <value></value>
                </dictionary>
                <dictionary>
                    <key>org.eclipse.cdt.make.core.buildCommand</key>
                    <value>ndk-build</value>
                </dictionary>
                <dictionary>
                    <key>org.eclipse.cdt.make.core.cleanBuildTarget</key>
                    <value>clean</value>
                </dictionary>
                <dictionary>
                    <key>org.eclipse.cdt.make.core.contents</key>
                    <value>org.eclipse.cdt.make.core.activeConfigSettings</value>
                </dictionary>
                <dictionary>
                    <key>org.eclipse.cdt.make.core.enableAutoBuild</key>
                    <value>false</value>
                </dictionary>
                <dictionary>
                    <key>org.eclipse.cdt.make.core.enableCleanBuild</key>
                    <value>true</value>
                </dictionary>
                <dictionary>
                    <key>org.eclipse.cdt.make.core.enableFullBuild</key>
                    <value>true</value>
                </dictionary>
                <dictionary>
                    <key>org.eclipse.cdt.make.core.stopOnError</key>
                    <value>true</value>
                </dictionary>
                <dictionary>
                    <key>org.eclipse.cdt.make.core.useDefaultBuildCmd</key>
                    <value>true</value>
                </dictionary>
            </arguments>
        </buildCommand>
        <buildCommand>
            <name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
            <triggers>full,incremental,</triggers>
            <arguments>
            </arguments>
        </buildCommand>
        <nature>org.eclipse.cdt.core.cnature</nature>
        <nature>org.eclipse.cdt.core.ccnature</nature>
        <nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
        <nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>

如果不知道删除什么，可以写一个没有jni的工程，然后比较两个工程.project文件，将含有jni工程的.project文件多余部分删除就好
4、把该工程从eclipse中删除：注意只是从工程中删除，不是从磁盘中删除。
5，重启eclipse,重新import该工程