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我想在Android项目中使用logback-android.这就是我所做的

我已经在libs文件夹中复制了jar文件

• 的logback-Android的1.1.1-2.jar
• SLF4J-API-1.7.6.jar

并在assets文件夹中有logback.xml

<configuration debug="true">
    <property name="LOG_DIR" value="/mnt/sdcard/com.sf.quid/logs" />

    <!-- Create a logcat appender -->
    <appender name="LOG_CAT" class="ch.qos.logback.classic.android.LogcatAppender">
        <encoder>
            <pattern>%msg</pattern>
        </encoder>
    </appender>

    <!-- Rolling Appender -->
    <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!-- File location -->
        <file>${LOG_DIR}/quidpos.log</file>

        <!-- Only log error messages to log file --> 
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>

        <!-- Rolling Policy -->     
        <rollingPolicy class="ch.qos.logback.core.rolling.FixedWindowRollingPolicy">
            <fileNamePattern>${LOG_DIR}/quidpos.%i.log</fileNamePattern>
            <minIndex>1</minIndex>
            <maxIndex>1</maxIndex>
        </rollingPolicy>

        <triggeringPolicy class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
            <maxFileSize>1MB</maxFileSize>
        </triggeringPolicy>

        <!-- Message encoder -->
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{35} …