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| public class MainActivity extends AppCompatActivity {
String str;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if(ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)<0)
ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},1);
str="C'était à cinq o'clok que sortait la marquise";
createdir(); }
public void createdir(){
File sd=Environment.getExternalStorageDirectory();
File f=new File(sd,"/dir1");
f.mkdir();
} |
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