Android Open Source - spotthestation Camera Activity

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Back to project page spotthestation.

License

The source code is released under:

Apache License

Java Source Code

/*
 * "CameraActivity.java"//w  w  w . ja v  a  2s  . c o m
 * Written by Eleanor Da Fonseca, Weixiong Cen, Harrison Black & Boris Feron
 */

package nasa.android.spotthestation;

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

import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;

@SuppressLint("SimpleDateFormat")
public class CameraActivity extends Activity {
  private static final int CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE = 2;
  public static final int MEDIA_TYPE_IMAGE = 1;
  public static final int MEDIA_TYPE_VIDEO = 2;
  private Uri fileUri;
  private double latitude, longitude;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_camera);
    Bundle extra = getIntent().getExtras();
    latitude = extra.getDouble("Lat");
    longitude = extra.getDouble("Long");
    // Create a file to save the image
    fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE);
    // Start native camera app
    Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);
    startActivityForResult(cameraIntent, CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE);
  }


  public void shareToNASA(View view) {
    Intent activityIntent = new Intent(this, UploadToNasaServerActivity.class);
    activityIntent.putExtra("PhotoURI", fileUri);
    activityIntent.putExtra("Lat", latitude);
    activityIntent.putExtra("Long", longitude);
    startActivity(activityIntent);
  }

  public void shareToTwitter(View view) {
    SharedPreferences settings = getApplicationContext().getSharedPreferences("MyPref", 0);
    Editor editor = settings.edit();
    editor.putString("fileUri", fileUri.getPath());
    editor.commit();
    Intent twitterActivityIntent = new Intent(CameraActivity.this, TwitterActivity.class);
    twitterActivityIntent.putExtra("fileUri", fileUri);
    startActivity(twitterActivityIntent);
    finish();
  }

  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (resultCode != RESULT_CANCELED) {
      if (requestCode == CAPTURE_IMAGE_ACTIVITY_REQUEST_CODE) {
        Log.v("Test", "Is data null??" + data);
        // Bitmap photo = (Bitmap) data.getExtras().get("data");
        // ByteArrayOutputStream baos = new ByteArrayOutputStream();
        // photo.compress(Bitmap.CompressFormat.JPEG, 100, baos);
        // photoByteArray = baos.toByteArray();
      }
    }
  }

  private static Uri getOutputMediaFileUri(int type) {
    return Uri.fromFile(getOutputMediaFile(type));
  }

  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), "MyCameraApp");
    // 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("Test", "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;
  }
}

Java Source Code List

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