Android音乐播放器含notification通知栏操作，自动获取本地音乐操作

Android基本操作之音乐播放器的部署（含通知栏操作、notification、service、获取本地音乐列表）

/* AUTO-GENERATED FILE.  DO NOT MODIFY.
 *
 * This class was automatically generated by the
 * gradle plugin from the resource data it found. It
 * should not be modified by hand.
 */
package android.arch.core;

public final class R {
    private R（） {}

}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2019-05-02 21:24  JalMusic-master\
     文件         176  2019-04-03 12:56  JalMusic-master\.gitignore
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\4.10.1\
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\4.10.1\fileChanges\
     文件           1  2019-05-02 17:25  JalMusic-master\.gradle\4.10.1\fileChanges\last-build.bin
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\4.10.1\fileContent\
     文件          17  2019-05-02 17:25  JalMusic-master\.gradle\4.10.1\fileContent\fileContent.lock
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\4.10.1\fileHashes\
     文件      136683  2019-05-02 16:13  JalMusic-master\.gradle\4.10.1\fileHashes\fileHashes.bin
     文件          17  2019-05-02 17:25  JalMusic-master\.gradle\4.10.1\fileHashes\fileHashes.lock
     文件       18565  2019-05-01 12:28  JalMusic-master\.gradle\4.10.1\fileHashes\resourceHashesCache.bin
     文件           0  2019-05-02 16:12  JalMusic-master\.gradle\4.10.1\gc.properties
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\4.10.1\javaCompile\
     文件      216730  2019-05-02 16:12  JalMusic-master\.gradle\4.10.1\javaCompile\classAnalysis.bin
     文件          17  2019-05-02 16:13  JalMusic-master\.gradle\4.10.1\javaCompile\javaCompile.lock
     文件       23405  2019-05-02 16:13  JalMusic-master\.gradle\4.10.1\javaCompile\taskHistory.bin
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\4.10.1\taskHistory\
     文件     2264379  2019-05-02 16:13  JalMusic-master\.gradle\4.10.1\taskHistory\taskHistory.bin
     文件          17  2019-05-02 17:25  JalMusic-master\.gradle\4.10.1\taskHistory\taskHistory.lock
     目录           0  2019-05-01 12:27  JalMusic-master\.gradle\4.10.1\vcsmetadata-1\
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\4.6\
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\4.6\fileChanges\
     文件           1  2019-05-01 12:27  JalMusic-master\.gradle\4.6\fileChanges\last-build.bin
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\4.6\fileHashes\
     文件       79615  2019-05-01 12:27  JalMusic-master\.gradle\4.6\fileHashes\fileHashes.bin
     文件          17  2019-05-01 12:27  JalMusic-master\.gradle\4.6\fileHashes\fileHashes.lock
     目录           0  2019-05-02 21:24  JalMusic-master\.gradle\buildOutputCleanup\
     文件          17  2019-05-02 17:25  JalMusic-master\.gradle\buildOutputCleanup\buildOutputCleanup.lock
     文件          54  2019-05-01 12:27  JalMusic-master\.gradle\buildOutputCleanup\cache.properties
     文件       20981  2019-05-02 16:13  JalMusic-master\.gradle\buildOutputCleanup\outputFiles.bin
............此处省略1632个文件信息