Android獲取程序路徑 （/data/data/appname）

Android獲取文件夾路徑 /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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//獲取當前程序路徑

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

//獲取該程序的安裝包路徑

String path=getApplicationContext().getPackageResourcePath();

//獲取程序默認數據庫路徑

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