难道Android的保持的apk文件？如果是的话在哪里？ [英] Does Android keep the .apk files? if so where?

问题描述

Android的安装从市场的应用程序后，它保持的.apk文件？

After android installs an application from the Marketplace, does it keep the .apk file?

有没有一个标准的位置，机器人将保持这样的文件吗？

Is there a standard location where Android would keep such files?

推荐答案

$ P $的应用是在 /系统/应用程序文件夹。用户安装的应用程序都在 /数据/应用程序。我猜你不能访问，除非你有一个根深蒂固的手机。 我没有一个非植根电话在这里，但尝试这个code OUT：

Preinstalled applications are in /system/app folder. User installed applications are in /data/app. I guess you can't access unless you have a rooted phone. I don't have a non rooted phone here but try this code out:

public class Testing extends Activity {
    private static final String TAG = "TEST";
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        File appsDir = new File("/data/app");

        String[] files = appsDir.list();

        for (int i = 0 ; i < files.length ; i++ ) {
            Log.d(TAG, "File: "+files[i]);

        }
    }

它确实列出的apk我的根的HTC Magic和鸸鹋。

It does lists the apks in my rooted htc magic and in the emu.

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