Android开发时尽管已root但是ddms还是没有data路径怎么办

1.在SD卡上创建一个文件夹

public class make extends Activity { 
/** Called when the activity is first created. */ 
@Override 
public void onCreate(Bundle savedInstanceState) { 
super.onCreate(savedInstanceState); 
setContentView(R.layout.main); 
File sd=Environment.getExternalStorageDirectory(); 
String path=sd.getPath()+"/notes"; 
File file=new File(path); 
if(!file.exists()) 
file.mkdir(); 
}

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