安装:从sdcard String fileName = Environment.getExternalStorageDirectory() + "/myApp.apk"; Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.parse("file://" + filePath),"application/vnd.android.package-archive"); 或者 //intent.setDataAndType(Uri.fromFile(new File(fileName)), "application/vnd.android.package-archive"); startActivity(intent); 卸载 Uri packageURI = Uri.parse("package:com.android.myapp"); Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI); startActivity(uninstallIntent); 本文来自优快云博客,转载请标明出处:http://blog.youkuaiyun.com/fenghome/archive/2010/06/16/5673757.aspx