android activity页面跳转

/** Automatically generated file. DO NOT MODIFY */
package com.example.jiemian;

public final class BuildConfig {
    public final static boolean DEBUG = true;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-01-03 18:17  按键\
     文件         475  2018-12-25 22:01  按键\.classpath
     文件         843  2018-12-25 22:45  按键\.project
     目录           0  2019-01-03 18:17  按键\.settings\
     文件         177  2018-12-25 21:10  按键\.settings\org.eclipse.jdt.core.prefs
     文件        1005  2018-12-25 21:11  按键\AndroidManifest.xml
     目录           0  2019-01-03 18:17  按键\assets\
     目录           0  2019-01-03 18:17  按键\bin\
     文件        1005  2018-12-26 11:23  按键\bin\AndroidManifest.xml
     目录           0  2019-01-03 18:17  按键\bin\classes\
     目录           0  2019-01-03 18:17  按键\bin\classes\com\
     目录           0  2019-01-03 18:17  按键\bin\classes\com\example\
     目录           0  2019-01-03 18:17  按键\bin\classes\com\example\jiemian\
     文件        1063  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\ActivityA$1.class
     文件        1559  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\ActivityA.class
     文件         347  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\BuildConfig.class
     文件        1078  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\MainActivity$1.class
     文件        1574  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\MainActivity.class
     文件         343  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\R$attr.class
     文件         464  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\R$dimen.class
     文件         410  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\R$drawable.class
     文件         491  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\R$id.class
     文件         447  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\R$layout.class
     文件         423  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\R$menu.class
     文件         698  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\R$string.class
     文件         434  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\R$style.class
     文件         683  2018-12-26 11:36  按键\bin\classes\com\example\jiemian\R.class
     文件      818232  2018-12-26 11:24  按键\bin\classes.dex
     目录           0  2019-01-03 18:17  按键\bin\dexedLibs\
     文件      273657  2018-12-26 11:24  按键\bin\dexedLibs\android-support-v4-468639efc90dec83fcb1368586babd85.jar
     文件         119  2018-12-26 11:36  按键\bin\jarlist.cache
............此处省略54个文件信息