I want to read a local text file on my computer on an Android Emulator

How can I put that file in userdata.img so that the emulator can read it? Also, how can 开发者_运维百科to specifiy the path of the file in the code? I am using Windows 7.

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To push a file onto the emulator or any other rooted device you'd just issue a adb push command.

adb push FILE PATH_ON_DEVICE

In Java to define the path to a file you can simply create a File object with the path set in its constructor.

File file = new File("/path/on/device");

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You can use adb to push the file to whatever location you want. Just start the emulator (without any device connected) and type

adb push myfile /mylocation/myfile

Here is the manual page for the commands: http://developer.android.com/guide/developing/tools/adb.html

Alternatively, you can browse the file system using ddms