ADB shell的dumpsys命令-查看android组件信息详解

基本使用命令：dumpsys activity -h

Activity manager dump options:  [-a] [-c] [-p package] [-h] [cmd] ... //这个是后面可以跟的参数  cmd may be one of: //这个代表可以跟的命令    a[ctivities]: activity stack state //activity的栈信息    r[recents]: recent activities state//最新的acivity的信息    b[roadcasts] [PACKAGE_NAME] [history [-s]]: broadcast state//broadcastsde 相关信息    i[ntents] [PACKAGE_NAME]: pending intent state//intent的信息    p[rocesses] [PACKAGE_NAME]: process state//进程相关的信息    o[om]: out of memory management//内存溢出    prov[iders] [COMP_SPEC ...]: content provider state//provider信息    provider [COMP_SPEC]: provider client-side state    s[ervices] [COMP_SPEC ...]: service state    as[sociations]: tracked app associations    service [COMP_SPEC]: service client-side state    package [PACKAGE_NAME]: all state related to given package    all: dump all activities //输出所有的activity信息    top: dump the top activity//输出当前栈顶的activity信息    write: write all pending state to storage    track-associations: enable association tracking    untrack-associations: disable and clear association tracking  cmd may also be a COMP_SPEC to dump activities.  COMP_SPEC may be a component name (com.foo/.myApp),    a partial substring in a component name, a    hex object identifier.  -a: include all available server state.  -c: include client state.  -p: limit output to given package.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

常见的命令使用介绍

1.dumpsys activity top

拿到一个新的app，我们经常定位当前的焦点activoty的名字。 
这个命令就可以显示，而且还可以显示包含的fragment‘的信息、

2.dumpsys activity | grep run

过滤目前的所有的activity栈信息。

3.dumpsys activity -p 包名

过滤一个包的信息。

dumpsys命令很强大，就简单举几个例子，更多的留给你们自己探索。