How to reboot emulator to test ACTION_BOOT_COMPLETED?

Question

Well, I have searched a lot. People say that I need to close the window of emulator to close it. However, I need to reboot the emulator to catch ACTION_BOOT_COMPLETED by my BroadcastReceiver.

How can I do that?

Heaton

Answer 1

You can use the following command from adb:

adb shell am activity/service/broadcast -a ACTION -c CATEGORY -n NAME

for example:

adb shell am broadcast -a android.intent.action.BOOT_COMPLETED -c android.intent.category.HOME -n package_name/class_name

Note that class name and package names need to be as defined in the Manifest.

This will generate the Intent you want , directed only to the component you want (otherwise you system will go crazy with BOOT_COMPLETED sent...)

Expend

Thanks. The code looks great. Currently I don't have time to test. But I found out that without using snapshot, the emulator is a lot faster in booting, and closing :-) I like it! – Heaton

when I execute that from Android Studio terminal (emulator with Android 7.1.1 is running), I get the message java.lang.SecurityException: Permission Denial: not allowed to send broadcast android.intent.action.BOOT_COMPLETED from pid=7432, uid=2000 – Keitloa

Answer 2

Or another way (also from the command line):

adb shell stop
adb shell start

Guadiana

yeah i was able to verify my onReceive was called listening for BOOT_COMPLETED using this way. However, the break point I had didn't hit because the debugger became detached, but I saw my log statement in DDMS. – Sennight

in Android studio terminal, I get the message stop: must be root whilst Android 7.1.1 emulator is running – Keitloa

@SomeoneSomewhere I accidentally mashed adb -e root in my terminal and it printed restarting adbd as root. After that I was able to run these commands. – Mucoviscidosis

Answer 3

First, make sure that USB Debugging is enabled from within the emulator:

click:

• the Home icon
• Menu icon
• 'Settings'
• 'Applications'
• 'Development'
• make sure that the box next to 'USB debugging' contains a check mark

from a command-line:

adb -e reboot

EDIT:

This definitely doesn't work... very strange. I tested it and could not make the emulator reboot. It just hangs.

Kendalkendall

Excuse me, could you tell me if you run adb reboot successfully? I run it for 45 mins, the process emulator-arm keeps using 50% of CPU. It's not responding :-( – Heaton

Answer 4

To emulate a broadcast action, you can connect via adb to the emulator/device and open a shell:

adb shell

Then, you can broadcast the action you want to test:

am broadcast -a android.intent.action.BOOT_COMPLETED

Please note that, in the latest Android versions, broadcasting the *android.intent.action.BOOT_COMPLETED* action will actually reboot your emulator/device.

Borszcz

on Android emulator 7.1.1, I get the following message on Terminal: java.lang.SecurityException: Permission Denial: not allowed to send broadcast android.intent.action.BOOT_COMPLETED from pid=6832, uid=2000 – Keitloa

Answer 5

While using tubemate on android tab, I was not successful in downloading video with the error:host interupped etc. I used the following commands:

adb shell stop
adb shell start

and the application started downloading videos.

Vance

Answer 6

emulators have on/off button - just click it

Psychotic

When I click the power button (and hold for 2 or 3 secs), it acts as like real device: it shows me menu of Silent mode/ Airplane mode/ Power off. I click Power off, but then I can't turn it on :-( . It keeps showing "Shutting down..." – Heaton

holding power button helps (current latest emulator version) – Faydra

Answer 7

and another way:

If you start your emulator, and select the "wipe user data" checkbox, you will also receive that notification when boot is completed.

Guadiana

But if I wipe data, the app that I installed will be erased :-) – Heaton

Have you tested that Wipe Use Data does in fact erase installed apps? I believe that it will wipe data (preferences, cache, etc) that have been stored by apps, but not the apps themselves... – Kendalkendall

@DavidDraughn, Sorry for late reply... But it erases all and returns original. – Heaton