Android Open Source - bumper Photo View Screen

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License

The source code is released under:

MIT License

Java Source Code

package com.varwise.bumper;
/* w  ww . j a  v  a  2s. com*/
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.GridView;
import android.widget.Toast;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;



public class PhotoViewScreen extends Activity   {

    public static String baseKey = "PhotoViewScreen";

    public static final int MEDIA_TYPE_IMAGE = 1;
    public static final int MEDIA_TYPE_VIDEO = 2;

    private static final int CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE = 100;
    private static final int CAPTURE_VIDEO_ACTIVITY_REQUEST_CODE = 200;
    private Uri fileUri;

    public static File[] listFile;
    public static int listFileCount;

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.photos_view);

        getAlbum();

        GridView gridview = (GridView) findViewById(R.id.gridview);
        gridview.setAdapter(new ImageAdapter(this));

        gridview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
                //Toast.makeText(PhotoViewScreen.this, "" + position, Toast.LENGTH_SHORT).show();
                Intent fullImage = new Intent(getApplicationContext(), PhotoViewFullScreen.class);
                fullImage.putExtra("position", position);
                startActivity(fullImage);
            }
        });

        // Check for SD Card
        if (!Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED)) {
            Toast.makeText(this, "Error! No SDCARD Found!", Toast.LENGTH_LONG).show();
        }

        final Button button = (Button) findViewById(R.id.call_camera);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // Perform action on click
                // create Intent to take a picture and return control to the calling application
                Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

                fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE); // create a file to save the image
                intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri); // set the image file name

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



        final Button okButton = (Button) findViewById(R.id.pictures_button_ok);

        okButton.setOnClickListener( new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                ScreenDB.setFinishedDate(baseKey, getApplicationContext());
                finish();
            }
        });


//        final Button sendphotosbutton = (Button) findViewById(R.id.pictures_to_email_button);
//        sendphotosbutton.setOnClickListener( new View.OnClickListener() {
//            @Override
//            public void onClick(View v) {
//                SendGrid sendgrid = new SendGrid("i_got_pie", "scan14sign");
//
//                SendGrid.Email email = new SendGrid.Email();
//                email.addTo("p.jendrusik@gmail.com");
//                email.setFrom("battlehack@tst.com");
//                email.setSubject("Hello World");
//                email.setText("My first email through SendGrid");
//
//                try {
//                    SendGrid.Response response = sendgrid.send(email);
//                } catch (SendGridException e) {
//                        System.out.println(e);
//                }
//            }
//        });


    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE) {
            if (resultCode == RESULT_OK) {
                // Image captured and saved to fileUri specified in the Intent
                if(data != null) {
                    Toast.makeText(this, "Image saved to:\n" + data.getData(), Toast.LENGTH_LONG).show();
                } else {
                    Log.e("Dev", "Intent image data is null");
                }
            } else if (resultCode == RESULT_CANCELED) {
                // User cancelled the image capture
            } else {
                // Image capture failed, advise user
            }
        }

        if (requestCode == CAPTURE_VIDEO_ACTIVITY_REQUEST_CODE) {
            if (resultCode == RESULT_OK) {
                // Video captured and saved to fileUri specified in the Intent
                if(data != null) {
                    Toast.makeText(this, "Video saved to:\n" + data.getData(), Toast.LENGTH_LONG).show();
                } else {
                    Log.e("Dev", "Intent video data is null");
                }
            } else if (resultCode == RESULT_CANCELED) {
                // User cancelled the video capture
            } else {
                // Video capture failed, advise user
            }
        }
        finish();
        startActivity(getIntent());
    }

    /** Create a file Uri for saving an image or video */
    private static Uri getOutputMediaFileUri(int type){
        return Uri.fromFile(getOutputMediaFile(type));
    }

    /** Create a File for saving an image or video */
    private static File getOutputMediaFile(int type){
        // To be safe, you should check that the SDCard is mounted
        // using Environment.getExternalStorageState() before doing this.

        File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "BumperApp");
        // This location works best if you want the created images to be shared
        // between applications and persist after your app has been uninstalled.

        // Create the storage directory if it does not exist
        if (! mediaStorageDir.exists()){
            if (! mediaStorageDir.mkdirs()){
                Log.d("BumperApp", "failed to create directory");
                return null;
            }
        }

        // Create a media file name
        String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
        File mediaFile;
        if (type == MEDIA_TYPE_IMAGE){
            mediaFile = new File(mediaStorageDir.getPath() + File.separator + "IMG_"+ timeStamp + ".jpg");
        } else if(type == MEDIA_TYPE_VIDEO) {
            mediaFile = new File(mediaStorageDir.getPath() + File.separator + "VID_"+ timeStamp + ".mp4");
        } else {
            return null;
        }

        return mediaFile;
    }

    private void getAlbum(){
        File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "BumperApp");

        if (! mediaStorageDir.exists()){
            if (! mediaStorageDir.mkdirs()){
                Log.d("BumperApp", "failed to create directory");
                return;
            }
        }

        if (mediaStorageDir.isDirectory()) {
            listFile = mediaStorageDir.listFiles();
            listFileCount = listFile.length;
        }
    }

}

Java Source Code List

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