android 常用命令解析 -- am


am命令作用:管理Activity

usage: am [start|broadcast|instrument|profile]       

       am start -D INTENT       

       am broadcast INTENT       

       am instrument [-r] [-e <ARG_NAME> <ARG_VALUE>] [-p <PROF_FILE>]                     

       [-w] <COMPONENT>        

       am profile <PROCESS> [start <PROF_FILE>|stop]                

       INTENT is described with:              

         [-a <ACTION>] [-d <DATA_URI>] [-t <MIME_TYPE>]              

         [-c <CATEGORY> [-c <CATEGORY>] ...]              

         [-e|--es <EXTRA_KEY> <EXTRA_STRING_VALUE> ...]              

         [--ez <EXTRA_KEY> <EXTRA_BOOLEAN_VALUE> ...]              

         [-e|--ei <EXTRA_KEY> <EXTRA_INT_VALUE> ...]              

         [-n <COMPONENT>]    [-f <FLAGS>]    [<URI>]

The start command starts activity. Use -D option to make 'DebugOption' true.

The broadcast command sends broadcast.

The instrument command starts instrumentation. 

Use -r option to make 'rawMode' true. 

Use -e option to add the pair of ARG_NAME and  ARG_VALUE into Bundle. 

Use -p option to specify profileFile.

Use -w option to make 'wait' true in order to new an instance of InstrumentationWatcher. 

Use COMPONENT to specify the name of the instrumentation component.

The profile command turn on/off profiling in a particular process specified by PROCESS.

Use start option to turn on and stop to turn off.Use PROF_FILE to specify the file path of profile. 

Use -a to set action specified by ACTION to be performed.

Use -d to create a Uri(data) which parses the given encoded URI string DATA_URI.

Use -t to specify the type specified by MIME_TYPE. Use -c to add a new category specified by

CATEGORY to the intent.

Use -e or --es to add extended data to the intent.EXTRA_KEY specifies the name of the extra data and

EXTRA_STRING_VALUE specifies the string data value.

Use --ez to add extended data to the intent. EXTRA_KEY specifies the name of the extra data and

EXTRA_BOOLEAN_VALUE specifies the serializable data value.

Use -e or --ei to add extended data to the intent. EXTRA_KEY specifies the name of the extra data and

EXTRA_INT_VALUE specifies the serializable data value.

Use -n to explicitly set the component specified by COMPONENT to handle the intent.

Use -f to set special flags controlling how this intent is handled.FLAGS specifies the desired flags.

Use URI to create an intent from a URI.

在Android中,除了從界面上啟動程序之外,還可以從命令行啟動程序,使用的是命令行工具am.

usage: am [subcommand] [options]

    start an Activity: am start [-D] <INTENT>

        -D: enable debugging

    send a broadcast Intent: am broadcast <INTENT>

    start an Instrumentation: am instrument [flags] <COMPONENT>

        -r: print raw results (otherwise decode REPORT_KEY_STREAMRESULT)

        -e <NAME> <VALUE>: set argument <NAME> to <VALUE>

        -p <FILE>: write profiling data to <FILE>

        -w: wait for instrumentation to finish before returning

    start profiling: am profile <PROCESS> start <FILE>

    stop profiling: am profile <PROCESS> stop

    <INTENT> specifications include these flags:

        [-a <ACTION>] [-d <DATA_URI>] [-t <MIME_TYPE>]

        [-c <CATEGORY> [-c <CATEGORY>] ...]

        [-e|--es <EXTRA_KEY> <EXTRA_STRING_VALUE> ...]

        [--ez <EXTRA_KEY> <EXTRA_BOOLEAN_VALUE> ...]

        [-e|--ei <EXTRA_KEY> <EXTRA_INT_VALUE> ...]

        [-n <COMPONENT>] [-f <FLAGS>] [<URI>]

啟動的方法為

# am start -n 包(package)名/包名.活動(activity)名稱

啟動的方法可以從每個應用的AndroidManifest.xml的文件中得到

Music 和 Video(音樂和視頻)的啟動方法為:

# am start -n com.android.music/com.android.music.MusicBrowserActivity

# am start -n com.android.music/com.android.music.VideoBrowserActivity

# am start -n com.android.music/com.android.music.MediaPlaybackActivity

Camera(照相機)的啟動方法為:

# am start -n com.android.camera/com.android.camera.Camera

Browser(瀏覽器)的啟動方法為:

# am start -n com.android.browser/com.android.browser.BrowserActivity

啟動瀏覽器 :

am start -a android.intent.action.VIEW -d  http://www.google.cn/

撥打電話 :

am start -a android.intent.action.CALL -d tel:10086

啟動 google map 直接定位到北京 :

am start -a android.intent.action.VIEW geo:0,0?q=beijing

 

其他例子:

am start -n com.android.calibrate/.AndroidCalibrate

am start -n com.android.soundrecorder/.SoundRecorder


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