android camera picture pickup

android camera picture pickup

package com.startuphouse.wallposter;

import android.content.ClipData;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.View;
import android.content.Intent;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.Toast;

import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.actionbarsherlock.view.MenuItem;
import com.squareup.otto.Subscribe;
import com.startuphouse.wallposter.Preference.AccountStorage;
import com.startuphouse.wallposter.Utilities.Utilities;
import com.startuphouse.wallposter.adapter.SelectedImageAdapter;
import com.startuphouse.wallposter.dialog.ProgressDialogFactory;
import com.startuphouse.wallposter.network.Network;
import com.startuphouse.wallposter.network.NetworkBus;
import com.startuphouse.wallposter.network.packet.UploadPacket;

import java.util.ArrayList;

/**
 * Created by moltak on 12/26/13.
 */
public class ActivityUpload extends SherlockActivity {
    private static final int LOAD_IMAGE_RESULTS = 1;
    private static final int CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE = 100;

    private ArrayList<String> images;
    private SelectedImageAdapter adapter;
    private ProgressDialogFactory dialog;
    private Uri cameraPictureUri;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_upload);

        getSupportActionBar().setTitle("대자보 작성하기");
        getSupportActionBar().setHomeButtonEnabled(true);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        images = new ArrayList<String>();
        adapter = new SelectedImageAdapter(getLayoutInflater());
        ((GridView)findViewById(R.id.gridview_selectimages)).setAdapter(adapter);
        ((GridView)findViewById(R.id.gridview_selectimages)).setOnItemClickListener(new GridItemClicked());

        dialog = new ProgressDialogFactory();
    }

    @Override
    protected void onStart() {
        super.onStart();
        NetworkBus.getInstance().register(this);
    }

    @Override
    protected void onStop() {
        super.onStop();
        NetworkBus.getInstance().unregister(this);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater menuInflater = new MenuInflater(this);
        menuInflater.inflate(R.menu.upload, menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case android.R.id.home:
                finish();
                break;

            case R.id.menu_upload:
                onUploadMenuClicked();
                break;
        }
        return super.onOptionsItemSelected(item);
    }

    private void onUploadMenuClicked() {
        String title = ((EditText)findViewById(R.id.edittext_upload_title)).getText().toString();
        String contents = ((EditText)findViewById(R.id.edittext_upload_contents)).getText().toString();
        if(title.length() == 0 || contents.length() == 0) {
            Toast.makeText(this, "내용을 입력해주세요.", Toast.LENGTH_LONG).show();
        }
        else {
            dialog.showDialog(this);

            Network network = new Network(this);
            network.uploadWallPoster(title, contents, images, AccountStorage.getSession(this));
        }
    }

    @Subscribe
    public void onUploadResult(UploadPacket packet) {
        dialog.dismissDialog();
        Toast.makeText(this, packet.getResponseMessage(), Toast.LENGTH_LONG).show();

        if(packet.getResponseCode() == 0) {
            ((EditText)findViewById(R.id.edittext_upload_title)).setText("");
            ((EditText)findViewById(R.id.edittext_upload_contents)).setText("");
            images.clear();
            adapter.setImages(images);
            adapter.notifyDataSetChanged();
        }
    }

    public void onImageSelectBtnClicked(View view) {
        if(images.size() >= 4) {
            Toast.makeText(this, "사진은 한번에 최대 4장까지 업로드할 수 있습니다.", Toast.LENGTH_LONG).show();
            return;
        }
        Intent i = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
        i.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
        startActivityForResult(i, LOAD_IMAGE_RESULTS);
    }

    public void onCameraBtnClicked(View view) {
        if(images.size() >= 4) {
            Toast.makeText(this, "사진은 한번에 최대 4장까지 업로드할 수 있습니다.", Toast.LENGTH_LONG).show();
            return;
        }

        // create Intent to take a picture and return control to the calling application
        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        cameraPictureUri = Utilities.getOutputMediaFileUri(Utilities.MEDIA_TYPE_IMAGE); // create a file to save the image
        intent.putExtra(MediaStore.EXTRA_OUTPUT, cameraPictureUri); // set the image file name

        // start the image capture Intent
        startActivityForResult(intent, CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE);
    }

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

        // Here we need to check if the activity that was triggers was the Image Gallery.
        // If it is the requestCode will match the LOAD_IMAGE_RESULTS value.
        // If the resultCode is RESULT_OK and there is some data we know that an image was picked.
        if (requestCode == LOAD_IMAGE_RESULTS && resultCode == RESULT_OK && data != null) {
            // Let's read picked image data - its URI
            ClipData pickedImage = data.getClipData();
            // Let's read picked image path using content resolver
            String[] filePath = { MediaStore.Images.Media.DATA };
            int maxImageCount = pickedImage.getItemCount() > 4 ? 4 : pickedImage.getItemCount();
            for(int i = 0; i < maxImageCount; i ++) {
                addImageToList(pickedImage.getItemAt(i).getUri());
            }

            adapter.setImages(images);
            adapter.notifyDataSetChanged();
        }
        else if (requestCode == CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE) {
            if (resultCode == RESULT_OK && cameraPictureUri != null) {
                images.add(cameraPictureUri.getPath());
                adapter.setImages(images);
                adapter.notifyDataSetChanged();
            } else if (resultCode == RESULT_CANCELED) {
            } else {
                // Image capture failed, advise user
            }
        }
    }

    private void addImageToList(Uri uri) {
        String[] filePath = { MediaStore.Images.Media.DATA };
        Cursor cursor = getContentResolver().query(uri, filePath, null, null, null);
        cursor.moveToFirst();
        String imagePath = cursor.getString(cursor.getColumnIndex(filePath[0]));
        images.add(imagePath);
        cursor.close();
    }

    private class GridItemClicked implements AdapterView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            Toast.makeText(getBaseContext(), (String)view.getTag(), Toast.LENGTH_LONG).show();
        }
    }
}