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Android FilePicker GridView Images

Android FilePicker GridView Images

Quick Intro

Look the aim is simple.To load images from our File System and into our GridView.Maybe we can do that via a loop but see we want control.We want to select images we load,not just loop through and load all images,though we have such a tutorial as well.So we shall be using a FilePicker,a material filepicker third party library to help us choose images with a nice material interface.Moreover we can define the total number of images users can choose at a go.

We then display these images in a GridView.

So the first thing is to add teh dependency in our build.gradle app level,as in :

compile 'com.droidninja:filepicker:1.0.0'


We shall have something like this,simply overriding our onActivityResult() method in our MainActivity.We have a model class we called spacecraft,we simply then assign it properties depending on what we receive from the files we are loading.  :

    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        switch (requestCode)
            case FilePickerConst.REQUEST_CODE:

                if(resultCode==RESULT_OK && data!=null)
                    filePaths = data.getStringArrayListExtra(FilePickerConst.KEY_SELECTED_PHOTOS);
                    Spacecraft s;
                    ArrayList<Spacecraft> spacecrafts=new ArrayList<>();

                        for (String path:filePaths) {
                            s=new Spacecraft();

                            s.setUri(Uri.fromFile(new File(path)));

                        gv.setAdapter(new CustomAdapter(this,spacecrafts));
                        Toast.makeText(MainActivity.this, "Total = "+String.valueOf(spacecrafts.size()), Toast.LENGTH_SHORT).show();
                    }catch (Exception e)




Of course wevrything is in the source code reference above,so please download it and import into your android studio.Its well commented.


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