blocks|key|889713|text|You+can+get+the+Android+Market+running+in+the+emulator.|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|889714|entityMap|0|LINK|mutability|MUTABLE|url|http://www.howtogeek.com/howto/21862/how-to-enable-the-android-market-in-the-google-android-emulator/^0|0|1J|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

<a href="http://www.howtogeek.com/howto/21862/how-to-enable-the-android-market-in-the-google-android-emulator/">You can get the Android Market running in the emulator.</a>

blocks|key|1104734|text|您可以使用以下命令启用/禁用仿真程序网络:+F8|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1104735|当你的应用程序连接到一些基于web的服务时，非常适合测试服务中断。它允许在下载或very服务启动时非常快速地禁用。|1104736|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

You can enable/disable the Emulator Network with: F8

Great for testing service interruptions while your app is connected to some web based service.
It allows very fast disabling just at the moment a download or a webservice started.

blocks|key|1104830|text|F6+-启动跟踪球仿真|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1104831|当使用高分辨率屏幕时，可以减小模拟器的大小，使其更适合PC屏幕:+AVD+Manager+-+Start+-+check+"Scale+display+to+real+size“并将屏幕大小设置为合适的值(6适合我)|1104832|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

F6 - start track ball emulation

When working with high resolution screen, one can reduce the size of the emulator to make it fit better on PC screen: AVD Manager - Start - check "Scale display to real size" and set Screen size to a suitable value (6 works for me)

blocks|key|889971|text|不完全是仿真器功能，但相关。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|889972|使用Eclipse进行Android开发时，自动创建的调试证书有效期仅为1年。当它到期时，必须删除所有的开发.apk文件是一种痛苦，因为新的证书不匹配，所以你不能在所有的AVD中升级它们。您还必须获得另一个开发地图-API密钥。发布的建议是只需删除debug.keystore文件，Eclipse+(ADT+)将为您创建一个新的文件，同样是1年的到期时间。但是您可以在debug.keystore中创建您自己的调试证书，该证书的有效期可以根据您的需要而定。在主目录下的.android文件夹中执行此操作：|889973|keytool+-genkey+-v+-keystore+debug.keystore+-alias+android+debug.keystore+-storepass+android+-keypass+android+-keyalg+RSA+-validity+14000|889974|ADT将证书上的名字和姓氏设置为"Android+Debug"，将组织单位设置为"Android“，将由两个字母组成的国家代码设置为"US”。您可以将组织、城市和州的值保留为“未知”。|889975|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

Not exactly an emulator feature but related.

When using Eclipse for Android development, the debug certificate that is automatically created only lasts 1 year. When it expires, it's a pain to have to delete all your development .apk files, because the new certificate doesn't match so you can't upgrade them in all your AVDs. You have to get another development MAP-API key as well. The published recommendation is to simply delete the debug.keystore file and Eclipse (ADT really) will create a new one for you, again with a 1 year expiration. But you can create your own debug certificate in debug.keystore with whatever expiration you want. Do this in the .android folder under your HOME directory:

keytool -genkey -v -keystore debug.keystore -alias androiddebugkey -storepass android -keypass android -keyalg RSA -validity 14000

ADT sets the first and last name on the certificate as "Android Debug", the organizational unit as "Android" and the two-letter country code as "US". You can leave the organization, city, and state values as "Unknown".

blocks|key|1104947|text|使用DDMS调试没有活动的服务。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1104948|假设您已经在自己的apk中编写了一个服务，供另一个应用程序使用，那么就不可能在服务应用程序的代码中设置断点，并让它们在其他应用程序运行和调用服务时触发。|1104949|但是，如果您转到DDMS透视图，找到服务的线程并突出显示它，然后单击DDMS中的bug图标，就会触发断点。|1104950|这回答了我自己的一个(未回答的)问题。|1104951|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|L|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|M|8|@]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

Using DDMS to debug a service which has no Activity.

Assuming you've written a service in its own apk which to be used by another application, then it's not possible to set break points in the service app's code and have them trigger when the other app runs and invokes the service.

If, however, you go to the DDMS perspective, find the service's thread and highlight it, then click the bug icon in the DDMS, breakpoints are triggered.

This answers one of my own (unanswered) questions.

blocks|key|1105006|text|演示U盘上的android应用程序|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1105007|假设您想向朋友/客户展示您的应用程序，而他们的计算机没有Android+SDK、Eclipse，甚至没有最新的JRE，那么您可以将所需的一切放在USB驱动器上，而不会影响您的开发环境。|1105008|在记忆棒上创建一个“androiddem”文件夹，将包含所需平台的最小sdk+(不需要文档或示例)和Java运行时复制到自己的文件夹中。|1105009|从U盘的根目录打开DOS盒，并将本地环境变量ANDROID_SDK_HOME设置为驱动器的根目录。(如果您使用Eclipse，因为Eclipse不需要这个变量，并从常规Android首选项中获取SDL位置，那么这个env变量的用法有点不当)。它确实控制了AVD的创建位置，所以一旦你将其设置为h:\+(比方说)，你就可以下拉到工具目录，然后以正常的方式创建AVDs+-它们将最终保存在棒上的.android中。|1105010|如果你复制你想要的.apks+(确保它们是用释放密钥签名的)到棒上，那么从另一个DOS盒(与前面设置的ANDROID_SDK_HOME一样)，你可以使用adb命令将这些apk安装到你制作的AVD上。|1105011|然后，您所要做的就是将操纵杆放到目标机器上，再次打开DOS框，设置ANDROID_SDK_HOME，将JRE添加到路径中，然后运行模拟器，指定目标AVD。|1105012|您可以通过在存储棒上创建批处理文件来设置环境变量和路径，从而简化该过程。|1105013|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|S|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|T|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|U|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|V|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|O|$]]

Demonstrate an android app from a USB stick

Assuming you want to show a friend/client your app and their machine has no Android SDK, Eclipse or even an uptodate JRE, you can put all you need on a USB drive without affecting your development environment.

Make an 'androiddem' folder on the stick, copy a minimal sdk (don't need the docs or samples) with the platforms you need and a Java runtime to their own folders.

Open a DOS box from the root of the USB drive and set a local environment variable ANDROID_SDK_HOME to the root of the drive. (This env variable is a bit of misnomer if you use Eclipse as it doesn't need it and picks up the SDL location from the general Android preferences). It does control where the AVDs get created though, so once you've set it to h:\ (say), you can drop down to to the tools directory on the stick and create AVDs in the normal way - they will end up in .android on the stick.

If you copy the .apks that you want (make sure they were signed with a release key) to the stick, then from another DOS box(with the ANDROID_SDK_HOME set as before you can use the adb commands to install the apks to the AVDs you made.

All you have to do then is take the stick to the target machine, open a DOS box again, set the ANDROID_SDK_HOME, prepend the JRE to the path and run the emulator nominating the target AVD.

You can simplify the process by creating batch files on the stick to set env variables and paths.

blocks|key|1105049|text|在开发时保持模拟器处于打开状态，以避免启动时间。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1105050|(来源:实用程序员的Hello+Android书-哈，我昨天才读到这本书。)|1105051|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

Keep the emulator open while developing to avoid the boot time.

(Source: Pragmatic Programmer's Hello Android book - Ha, I just read this yesterday.)

blocks|key|890238|text|您可以使用DDMS从硬件上运行的应用程序创建屏幕截图。只需在DDMS程序中按Ctrl-S即可。非常适合为Android+Market创建屏幕截图，特别是当您的应用程序在仿真器上运行不佳时。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|890239|我一直在从模拟器中截取屏幕截图，并使用Image+Magick对它们进行修剪，直到我的一个同事向我指出了这一点。|890240|​|890241|📷|atomic|offset|length|890242|890243|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/b662c0d4229ffa608216226f2bc3935e.png|imageAlt^0|0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|V|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|W|8|@]|9|@]|A|$]]|$1|F|3|G|5|H|7|X|8|@]|9|@$I|Y|J|Z|1|10]]|A|$]]|$1|K|3|E|5|6|7|11|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|12|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|S|T|-4]]]]

You can use DDMS to create screenshots from applications running on hardware. Just hit Ctrl-S from within the DDMS program. Great for creating screenshots for the Android Market, especially if your application runs poorly on the emulator.

I'd been capturing screenshots from the emulator and trimming them with Image Magick until I had this pointed out to me by a colleague at work.

<img src="https://i.stack.imgur.com/fTxPe.png" alt="DDMS screenshot menu">

blocks|key|890319|text|你可以尝试一些技巧，使用键盘键，取自Android官方文档。请参见下图。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|890320|​|890321|📷|atomic|offset|length|890322|890323|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/6cad275a1eb484f22c0b5219d6103761.png|imageAlt^0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@$G|V|H|W|1|X]]|A|$]]|$1|I|3|C|5|6|7|Y|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q|R|-4]]]]

You can try your hands on a bunch of tricks using keyboard key and taken from the Android official documentation. See the below image.

<img src="https://i.stack.imgur.com/2e6CG.png" alt="Emulator tricks and tips">

blocks|key|1105318|text|使用ADB命令优化您的工作。非常有用的例子：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1105319|adb+shell+am+broadcast+-a+com.test.IntentName+-模拟意图|offset|length|style|CODE|1105320|adb+shell+date+-s+19860407.115033+-更改日期/时间(为我的生日;)|1105321|adb+shell+dumpsys+alarm+-打印已注册的报警|1105322|entityMap^0|0|0|19|0|0|X|0|0|N|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@$D|P|E|Q|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|R|8|@$D|S|E|T|F|G]]|9|@]|A|$]]|$1|J|3|K|5|6|7|U|8|@$D|V|E|W|F|G]]|9|@]|A|$]]|$1|L|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|M|$]]

Use ADB commands to optimize your work.
Very useful examples:

<code>adb shell am broadcast -a com.test.IntentName</code> - simulate an intent 

<code>adb shell date -s 19860407.115033</code> - change date/time (to my birthday ;)

<code>adb shell dumpsys alarm</code> - print registered alarms

blocks|key|890595|text|1)每次控制台出现adb错误时，重置adb。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|890596|​|890597|📷|atomic|offset|length|890598|890599|2)明智地使用启动选项：|890600|2.1)如果模拟器每次启动时都有问题“不响应”，请使用“清除用户数据”重新启动模拟器。它将清除之前安装的所有应用程序，并使仿真器刷新。|890601|2.2)勾选“从快照启动”可节省启动仿真器的时间。它从快照读取(如果有)。|890602|2.3)选中“保存到快照”将保存一个快照，以便下次立即运行仿真器。如果要更快地关闭仿真器，请取消选中该选项。|890603|890604|890605|890606|3)如果您想改变sdcard.img的大小，请备份它。当我试图改变它的大小时，我经常丢失数据。|890607|4)如果您的计算机存在网络连接问题，请下载并安装offline+Android+SDK。|890608|5)+Install+Android+Market+on+emulator。|890609|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/c5740383b414117e7f371090ec721910.png|imageAlt|1|https://ask.qcloudimg.com/http-save/yehe-900000/d764625238d4a4e9c6af11d4333af7bd.png|2|LINK|MUTABLE|url|http://qdevarena.blogspot.com/2010/05/download-android-sdk-standalone-for.html|3|http://blog.varunkumar.me/2010/11/how-to-install-android-market-in-google.html^0|0|0|0|1|0|0|0|0|0|0|0|0|0|1|1|0|0|0|O|J|2|0|3|Y|3|0^^$0|@$1|2|3|4|5|6|7|1I|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1J|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|1K|8|@]|9|@$G|1L|H|1M|1|1N]]|A|$]]|$1|I|3|C|5|6|7|1O|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|1P|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|1R|8|@]|9|@]|A|$]]|$1|P|3|Q|5|6|7|1S|8|@]|9|@]|A|$]]|$1|R|3|C|5|6|7|1T|8|@]|9|@]|A|$]]|$1|S|3|E|5|F|7|1U|8|@]|9|@$G|1V|H|1W|1|1X]]|A|$]]|$1|T|3|C|5|6|7|1Y|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1Z|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|20|8|@]|9|@$G|21|H|22|1|23]]|A|$]]|$1|Y|3|Z|5|6|7|24|8|@]|9|@$G|25|H|26|1|27]]|A|$]]|$1|10|3|-4|5|6|7|28|8|@]|9|@]|A|$]]]|11|$12|$5|13|14|15|A|$16|17|18|-4]]|19|$5|13|14|15|A|$16|1A|18|-4]]|1B|$5|1C|14|1D|A|$1E|1F]]|1G|$5|1C|14|1D|A|$1E|1H]]]]

1) Reset adb every time the console has adb errors.

<img src="https://i.stack.imgur.com/gSn0G.png" alt="enter image description here">

2) Use Launch options wisely:

2.1) If you have problem emulator "not responding" every time it starts, restart emulator with "wipe out user data". It will clear all apps installed before and make emulator fresh.

2.2) Checking "Launch from snapshot" will save time when starting emulator. It reads from a snapshot (if there is any).

2.3) Checking "Save to snapshot" will save a snapshot to run emulator immediately next time. Uncheck it if you want to close the emulator faster.

<img src="https://i.stack.imgur.com/4vjID.png" alt="enter image description here">

3) Backup "sdcard.img" if you intend to change its size. I used to lose data when I try to change its size.

4) Download and install <a href="http://qdevarena.blogspot.com/2010/05/download-android-sdk-standalone-for.html" rel="nofollow noreferrer">offline Android SDK</a> if you have Internet connection problem on you computer.

5) <a href="http://blog.varunkumar.me/2010/11/how-to-install-android-market-in-google.html" rel="nofollow noreferrer">Install Android Market on emulator</a>.

What is your Emulator feature that you could not work without? 

Which unknown great shortcut, console command or startup option is there that you discovered and you think has to be also known by all other Android devs? 

Share your Emulator wisdom with us.

Android Emulator Tips and Tricks

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