Try below code, it works
Add below permission in manifest
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
MainActivity.java
public class MainActivity extends Activity implements OnClickListener{
private DrawableView drawableView; //here I have taken customview, it is optional, I am saving this view as image. You can take any layout or view
private Button saveBtn;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
drawableView = (DrawableView) findViewById(R.id.drawable_view);
saveBtn = (Button) findViewById(R.id.save_btn);
saveBtn.setOnClickListener(this);
}
@Override
public void onClick(View v) {
int id = v.getId();
switch (id) {
case R.id.save_btn:
File file = saveBitMap(this, drawableView); //which view you want to pass that view as parameter
if (file != null) {
Log.i("TAG", "Drawing saved to the gallery!");
} else {
Log.i("TAG", "Oops! Image could not be saved.");
}
break;
default:
break;
}
private File saveBitMap(Context context, View drawView){
File pictureFileDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),"Handcare");
if (!pictureFileDir.exists()) {
boolean isDirectoryCreated = pictureFileDir.mkdirs();
if(!isDirectoryCreated)
Log.i("ATG", "Can't create directory to save the image");
return null;
}
String filename = pictureFileDir.getPath() +File.separator+ System.currentTimeMillis()+".jpg";
File pictureFile = new File(filename);
Bitmap bitmap =getBitmapFromView(drawView);
try {
pictureFile.createNewFile();
FileOutputStream oStream = new FileOutputStream(pictureFile);
bitmap.compress(CompressFormat.PNG, 100, oStream);
oStream.flush();
oStream.close();
} catch (IOException e) {
e.printStackTrace();
Log.i("TAG", "There was an issue saving the image.");
}
scanGallery(pictureFile.getAbsolutePath(), context);
return pictureFile;
}
//create bitmap from view and returns it
private Bitmap getBitmapFromView(View view) {
//Define a bitmap with the same size as the view
Bitmap returnedBitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(),Bitmap.Config.ARGB_8888);
//Bind a canvas to it
Canvas canvas = new Canvas(returnedBitmap);
//Get the view's background
Drawable bgDrawable =view.getBackground();
if (bgDrawable!=null) {
//has background drawable, then draw it on the canvas
bgDrawable.draw(canvas);
} else{
//does not have background drawable, then draw white background on the canvas
canvas.drawColor(Color.WHITE);
}
// draw the view on the canvas
view.draw(canvas);
//return the bitmap
return returnedBitmap;
}
// used for scanning gallery
private void scanGallery(Context cntx, String path) {
try {
MediaScannerConnection.scanFile(cntx, new String[] { path },null, new MediaScannerConnection.OnScanCompletedListener() {
public void onScanCompleted(String path, Uri uri) {
}
});
} catch (Exception e) {
e.printStackTrace();
}
}
}