Android获取程序路径 （/data/data/appname）

Android获取文件夹路径 /data/data/

http://www.2cto.com/kf/201301/186614.html

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String printTxtPath = getApplicationContext().getPackageResourcePath() + "/files/" + fileName;
=> /data/app/com.example.fileoperation-2.apk/files/printMenu.txt

String printTxtPath = getApplicationContext().getFilesDir();
String printTxtPath = getApplicationContext().getFilesDir().getAbsolutePath();
=> /data/data/com.example.fileoperation/files

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//获取当前程序路径

getApplicationContext().getFilesDir().getAbsolutePath();

//获取该程序的安装包路径

String path=getApplicationContext().getPackageResourcePath();

//获取程序默认数据库路径

getApplicationContext().getDatabasePath(s).getAbsolutePath();