title: java.io.FileNotFoundException when trying to save a map's screenshot
body: <p>i' m getting this exception when i try to save the screenShot into my download folder <strong><em>inside my  phone's memory not the SdCard</em></strong>.
  I checked the path and it's correct and i have also this permission defined into my xml:</p>
  
  <pre><code>&lt;uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /&gt;
  </code></pre>
  
  <p>screenShot's function:</p>
  
  <pre><code>public void captureMapScreen() {
          SnapshotReadyCallback callback = new SnapshotReadyCallback() {
              Bitmap bitmap;
              @Override
              public void onSnapshotReady(Bitmap snapshot) {
                  bitmap = snapshot;
                  try {
                      // storage path (where image will be stored) + name of image
                      // you can customize as per
                      // your Requirement
                      FileOutputStream out = new FileOutputStream(Environment.getDataDirectory() + "/Download/" + "MyMapScreen" + System.currentTimeMillis()
                              + ".png");
                      bitmap.compress(Bitmap.CompressFormat.PNG, 90, out);
                  } catch (Exception e) {
                      e.printStackTrace();
                  }
              }
          };
          map.snapshot(callback);
      }
  </code></pre>
  
  <p>my logcat:</p>
  
  <pre><code>09-15 11:02:09.323: W/System.err(26419): java.io.FileNotFoundException: /data/Download/MyMapScreen1410771729328.png: open failed: ENOENT (No such file or directory)
  09-15 11:02:09.323: W/System.err(26419):    at libcore.io.IoBridge.open(IoBridge.java:416)
  09-15 11:02:09.323: W/System.err(26419):    at java.io.FileOutputStream.&lt;init&gt;(FileOutputStream.java:88)
  09-15 11:02:09.323: W/System.err(26419):    at java.io.FileOutputStream.&lt;init&gt;(FileOutputStream.java:73)
  09-15 11:02:09.323: W/System.err(26419):    at com.logic.maps.activity.MapsActivity$1.onSnapshotReady(MapsActivity.java:317)
  09-15 11:02:09.323: W/System.err(26419):    at com.google.android.gms.maps.GoogleMap$5.g(Unknown Source)
  09-15 11:02:09.323: W/System.err(26419):    at com.google.android.gms.maps.internal.s$a.onTransact(Unknown Source)
  09-15 11:02:09.323: W/System.err(26419):    at android.os.Binder.transact(Binder.java:326)
  09-15 11:02:09.323: W/System.err(26419):    at gtu.a(SourceFile:117)
  09-15 11:02:09.331: W/System.err(26419):    at ovg.a(Unknown Source)
  09-15 11:02:09.331: W/System.err(26419):    at ovi.run(Unknown Source)
  09-15 11:02:09.331: W/System.err(26419):    at android.os.Handler.handleCallback(Handler.java:615)
  09-15 11:02:09.331: W/System.err(26419):    at android.os.Handler.dispatchMessage(Handler.java:92)
  09-15 11:02:09.331: W/System.err(26419):    at android.os.Looper.loop(Looper.java:137)
  09-15 11:02:09.331: W/System.err(26419):    at android.app.ActivityThread.main(ActivityThread.java:4895)
  09-15 11:02:09.331: W/System.err(26419):    at java.lang.reflect.Method.invokeNative(Native Method)
  09-15 11:02:09.331: W/System.err(26419):    at java.lang.reflect.Method.invoke(Method.java:511)
  09-15 11:02:09.331: W/System.err(26419):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:994)
  09-15 11:02:09.331: W/System.err(26419):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:761)
  09-15 11:02:09.331: W/System.err(26419):    at dalvik.system.NativeStart.main(Native Method)
  09-15 11:02:09.331: W/System.err(26419): Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory)
  09-15 11:02:09.338: W/System.err(26419):    at libcore.io.Posix.open(Native Method)
  09-15 11:02:09.338: W/System.err(26419):    at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110)
  09-15 11:02:09.338: W/System.err(26419):    at libcore.io.IoBridge.open(IoBridge.java:400)
  09-15 11:02:09.338: W/System.err(26419):    ... 18 more
  </code></pre>
  
  <p><strong>UPDATE:</strong></p>
  
  <p>my archive tree: (no sdCard inside my phone, only phone memory)</p>
  
  <pre><code>storage
   - sdcard0
     - download
  </code></pre>