Capture screen shot of GoogleMap Android API V2
Final Update
The feature request has been fulfilled by Google. Please see this answer below.
Original Question
Using the old version of the Google Maps Android API, I was able to capture a screenshot of the google map to share via social media. I used the following code to capture the screenshot and save the image to a file and it worked great:
public String captureScreen()
{
String storageState = Environment.getExternalStorageState();
Log.d("StorageState", "Storage state is: " + storageState);
// image naming and path to include sd card appending name you choose for file
String mPath = this.getFilesDir().getAbsolutePath();
// create bitmap screen capture
Bitmap bitmap;
View v1 = this.mapView.getRootView();
v1.setDrawingCacheEnabled(true);
bitmap = Bitmap.createBitmap(v1.getDrawingCache());
v1.setDrawingCacheEnabled(false);
OutputStream fout = null;
String filePath = System.currentTimeMillis() + ".jpeg";
try
{
fout = openFileOutput(filePath,
MODE_WORLD_READABLE);
// Write the string to the file
bitmap.compress(Bitmap.CompressFormat.JPEG, 90, fout);
fout.flush();
fout.close();
}
catch (FileNotFoundException e)
{
// TODO Auto-generated catch block
Log.d("ImageCapture", "FileNotFoundException");
Log.d("ImageCapture", e.getMessage());
filePath = "";
}
catch (IOException e)
{
// TODO Auto-generated catch block
Log.d("ImageCapture", "IOException");
Log.d("ImageCapture", e.getMessage());
filePath = "";
}
return filePath;
}
However, the new GoogleMap object used by V2 of the api does not have a "getRootView()" method like MapView does.
I tried to do this:
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.basicMap);
View v1 = mapFragment.getView();
But the screenshot that I get does not have any map content and looks like this:
Has anyone figured out how to take a screenshot of the new Google Maps Android API V2?
Update
I also tried to get the rootView this way:
View v1 = getWindow().getDecorView().getRootView();
This results in a screenshot that includes the action bar at the top of the screen, but the map is still blank like the screenshot I attached.
Update
A feature request has been submitted to Google. Please go star the feature request if this is something you want google to add in the future: Add screenshot ability to Google Maps API V2
Update - Google has added a snapshot method**!:
The feature request for a method to take a screen shot of the Android Google Map API V2 OpenGL layer has been fulfilled.
To take a screenshot, simply implement the following interface:
public abstract void onSnapshotReady (Bitmap snapshot)
and call:
public final void snapshot (GoogleMap.SnapshotReadyCallback callback)
Example that takes a screenshot, then presents the standard "Image Sharing" options:
public void captureScreen()
{
SnapshotReadyCallback callback = new SnapshotReadyCallback()
{
@Override
public void onSnapshotReady(Bitmap snapshot)
{
// TODO Auto-generated method stub
bitmap = snapshot;
OutputStream fout = null;
String filePath = System.currentTimeMillis() + ".jpeg";
try
{
fout = openFileOutput(filePath,
MODE_WORLD_READABLE);
// Write the string to the file
bitmap.compress(Bitmap.CompressFormat.JPEG, 90, fout);
fout.flush();
fout.close();
}
catch (FileNotFoundException e)
{
// TODO Auto-generated catch block
Log.d("ImageCapture", "FileNotFoundException");
Log.d("ImageCapture", e.getMessage());
filePath = "";
}
catch (IOException e)
{
// TODO Auto-generated catch block
Log.d("ImageCapture", "IOException");
Log.d("ImageCapture", e.getMessage());
filePath = "";
}
openShareImageDialog(filePath);
}
};
mMap.snapshot(callback);
}
Once the image is finished being captured, it will trigger the standard "Share Image" dialog so the user can pick how they'd like to share it:
public void openShareImageDialog(String filePath)
{
File file = this.getFileStreamPath(filePath);
if(!filePath.equals(""))
{
final ContentValues values = new ContentValues(2);
values.put(MediaStore.Images.Media.MIME_TYPE, "image/jpeg");
values.put(MediaStore.Images.Media.DATA, file.getAbsolutePath());
final Uri contentUriFile = getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
final Intent intent = new Intent(android.content.Intent.ACTION_SEND);
intent.setType("image/jpeg");
intent.putExtra(android.content.Intent.EXTRA_STREAM, contentUriFile);
startActivity(Intent.createChooser(intent, "Share Image"));
}
else
{
//This is a custom class I use to show dialogs...simply replace this with whatever you want to show an error message, Toast, etc.
DialogUtilities.showOkDialogWithText(this, R.string.shareImageFailed);
}
}
Documentation is here
Below are the steps to capture screen shot of Google Map V2 with example
Step 1. open Android Sdk Manager (Window > Android Sdk Manager) then Expand Extras now update/install Google Play Services to Revision 10 ignore this step if already installed
Read Notes here https://developers.google.com/maps/documentation/android/releases#august_2013
Step 2. Restart Eclipse
Step 3. import com.google.android.gms.maps.GoogleMap.SnapshotReadyCallback;
Step 4. Make Method to Capture/Store Screen/image of Map like below
public void CaptureMapScreen()
{
SnapshotReadyCallback callback = new SnapshotReadyCallback() {
Bitmap bitmap;
@Override
public void onSnapshotReady(Bitmap snapshot) {
// TODO Auto-generated method stub
bitmap = snapshot;
try {
FileOutputStream out = new FileOutputStream("/mnt/sdcard/"
+ "MyMapScreen" + System.currentTimeMillis()
+ ".png");
// above "/mnt ..... png" => is a storage path (where image will be stored) + name of image you can customize as per your Requirement
bitmap.compress(Bitmap.CompressFormat.PNG, 90, out);
} catch (Exception e) {
e.printStackTrace();
}
}
};
myMap.snapshot(callback);
// myMap is object of GoogleMap +> GoogleMap myMap;
// which is initialized in onCreate() =>
// myMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map_pass_home_call)).getMap();
}
Step 5. Now call this CaptureMapScreen() method where you want to capture the image
in my case i am calling this method on Button click in my onCreate() which is working fine
like:
Button btnCap = (Button) findViewById(R.id.btnTakeScreenshot);
btnCap.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
try {
CaptureMapScreen();
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
});
Check Doc here and here
I capctured Map screenshot.It will be helpful
private GoogleMap map;
private static LatLng latLong;
`
public void onMapReady(GoogleMap googleMap) {
map = googleMap;
setMap(this.map);
animateCamera();
map.moveCamera (CameraUpdateFactory.newLatLng (latLong));
map.setOnMapLoadedCallback (new GoogleMap.OnMapLoadedCallback () {
@Override
public void onMapLoaded() {
snapShot();
}
});
}
`
snapShot() method for taking screenshot of map
public void snapShot(){
GoogleMap.SnapshotReadyCallback callback=new GoogleMap.SnapshotReadyCallback () {
Bitmap bitmap;
@Override
public void onSnapshotReady(Bitmap snapshot) {
bitmap=snapshot;
try{
file=new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),"map.png");
FileOutputStream fout=new FileOutputStream (file);
bitmap.compress (Bitmap.CompressFormat.PNG,90,fout);
Toast.makeText (PastValuations.this, "Capture", Toast.LENGTH_SHORT).show ();
}catch (Exception e){
e.printStackTrace ();
Toast.makeText (PastValuations.this, "Not Capture", Toast.LENGTH_SHORT).show ();
}
}
};map.snapshot (callback);
}
My output is below
Edit: this answer is no longer valid - the feature request for screenshots on Google Maps Android API V2 has been fulfilled. See this answer for an example.
Original Accepted Answer
Since the new Android API v2 Maps are displayed using OpenGL, there are no possibilities to create a screenshot.