Android Open Source - personal-diary Edit Activity

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License

The source code is released under:

GNU Lesser General Public License

Java Source Code

package com.rahul.pDiary;
//from   ww  w.  ja va  2 s  .  co m
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

import com.google.ads.AdRequest;
import com.google.ads.AdView;
import com.larswerkman.colorpicker.ColorPicker;
import com.larswerkman.colorpicker.ColorPicker.OnColorChangedListener;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Gallery;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;

public class EditActivity extends Activity implements OnClickListener {
  /** Called when the activity is first created. */

  static final String TAG = "EditActivity";
  private static final int ACTION_TAKE_PHOTO_B = 1;
  private static final int ACTIVITY_SELECT_IMAGE = 2;
  private static final int GALLERY_DIALOG = 1;
  
  private String mCurrentPhotoPath;
  private static final String JPEG_FILE_PREFIX = "IMG_";
  private static final String JPEG_FILE_SUFFIX = ".jpg";

  Button button_save, button_attach_photo;
  EditText edit_note;
  EditText edit_subject;

  long id;

  AlertDialog picDetail;
  
  private AdView adView;
  
  private ColorPicker titleColorPicker, stripeColorPicker;
  private TextView colorTitle, colorStripe;
  private String stripeColor, titleColor;
  
  private LinearLayout llColors, colorLayout;
  private boolean isPickerVisible = false;

  @Override
  public void onCreate(Bundle savedInstanceState) {

    if(DiaryApp.isThemeDark()) setTheme(android.R.style.Theme_DeviceDefault);
    else setTheme(android.R.style.Theme_DeviceDefault_Light);
    
    super.onCreate(savedInstanceState);
    setContentView(R.layout.edit_activity);

    Bundle extras = getIntent().getExtras();
    id = extras.getLong("id");
    Log.d(TAG, "id: " + id);

    button_save = (Button) findViewById(R.id.button_save);
    button_attach_photo = (Button) findViewById(R.id.button_attach_photo);
    
    llColors = (LinearLayout) findViewById(R.id.ll_colors);
    colorLayout = (LinearLayout) findViewById(R.id.color_layout);

    edit_subject = (EditText) findViewById(R.id.editText_subject);
    edit_note = (EditText) findViewById(R.id.editText_note);

    button_save.setOnClickListener(this);
    button_attach_photo.setOnClickListener(this);
    llColors.setOnClickListener(this);
    
    titleColorPicker = (ColorPicker) findViewById(R.id.titlePicker);
    stripeColorPicker = (ColorPicker) findViewById(R.id.stripePicker);
    colorTitle = (TextView) findViewById(R.id.colorTitle);
    colorStripe = (TextView) findViewById(R.id.colorStripe);

    Cursor cursor = getContentResolver().query(DbHandler.CONTENT_URI, null,
        DbHandler.C_ID + "=" + id, null, null);
    cursor.moveToFirst();

    String subjectString = cursor.getString(cursor
        .getColumnIndex(DbHandler.C_SUBJECT));
    String noteString = cursor.getString(cursor
        .getColumnIndex(DbHandler.C_NOTE));
    DiaryApp.absolutePicPath = cursor.getString(cursor
        .getColumnIndex(DbHandler.C_PICTURE));
    titleColor = cursor.getString(cursor
        .getColumnIndex(DbHandler.C_COLOR_TITLE));
    stripeColor = cursor.getString(cursor
        .getColumnIndex(DbHandler.C_COLOR_STRIPE));
    
    cursor.close();
    
    if (titleColor == null || titleColor.isEmpty() || titleColor.equals("null"))
      titleColor = "#808080";
    if (stripeColor == null || stripeColor.isEmpty() || stripeColor.equals("null"))
      stripeColor = "#808080";
    
    titleColorPicker.setColor(Color.parseColor(titleColor));
    stripeColorPicker.setColor(Color.parseColor(stripeColor));
    handleColorPickers();

    edit_subject.setText(subjectString);
    edit_note.setText(noteString);
    
    adView = (AdView) findViewById(R.id.ad_banner);
    colorLayout.setVisibility(View.GONE);
  }
  
  @Override
  public void onResume() {
    super.onResume();
    try {
      // Create the adView
      AdRequest adRequest;

      // Add request
      adRequest = new AdRequest();
      adRequest.addTestDevice(AdRequest.TEST_EMULATOR);
      adView.loadAd(adRequest);
    } catch (Exception e) {
      Log.d(TAG, "Error is here");
      e.printStackTrace();
    }
  }
  
  @Override
  public void onDestroy() {
    if (adView != null) {
      adView.destroy();
    }
    super.onDestroy();
  }
  
  private void handleColorPickers() {

    titleColorPicker
        .setOnColorChangedListener(new OnColorChangedListener() {
          public void onColorChanged(int color) {
            colorTitle.setTextColor(titleColorPicker.getColor());
            titleColor = String.format("#%06X",
                (0xFFFFFF & titleColorPicker.getColor()));
          }
        });

    stripeColorPicker
        .setOnColorChangedListener(new OnColorChangedListener() {
          public void onColorChanged(int color) {
            colorStripe.setTextColor(stripeColorPicker.getColor());
            stripeColor = String.format("#%06X",
                (0xFFFFFF & stripeColorPicker.getColor()));
          }
        });
  }

  public void onClick(View v) {
    if (v.getId() == R.id.button_save) {
      final String noteText = edit_note.getText().toString();
      final String noteSubject = edit_subject.getText().toString();
      Log.d(TAG, "button pressed with text : " + noteSubject + ": "
          + noteText + ": " + DiaryApp.absolutePicPath);
      if (noteText.equals("") || noteSubject.equals("")) {
        Toast.makeText(EditActivity.this, "Empty Field. Did not save.",
            Toast.LENGTH_SHORT).show();
      } else {
        // update database
        getContentResolver().update(
            DbHandler.CONTENT_URI,
            DbHandler.stringsToValues(id, noteSubject, noteText,
                DiaryApp.absolutePicPath, titleColor, stripeColor),
            DbHandler.C_ID + "=" + id, null);
        DiaryApp.absolutePicPath = "null";
        finish();
      }
    }

    else if (v.getId() == R.id.button_attach_photo) {
      createDialogMenu();
    }
    
    else if(v.getId() == R.id.ll_colors) {
      if(isPickerVisible) {
        colorLayout.setVisibility(View.GONE);
      } else {
        colorLayout.setVisibility(View.VISIBLE);
      }
      isPickerVisible = !isPickerVisible;
    }
  }

  void createDialogMenu() {
    final CharSequence[] items = { "Take a new photo", "From Gallery",
        "View attached photos" };
    // anything other than final cannot be passed into an inner class
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setTitle("Select an option");
    builder.setItems(items, new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int item) {
        if (item == 0) {
          dispatchTakePictureIntent(ACTION_TAKE_PHOTO_B);
        }
        if (item == 1) {
          Intent galleryIntent = new Intent(
              Intent.ACTION_PICK,
              android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
          startActivityForResult(galleryIntent, ACTIVITY_SELECT_IMAGE);
        }
        if (item == 2) {
          if (DiaryApp.absolutePicPath.equals("null")) {
            Toast.makeText(EditActivity.this, "No photos attached",
                Toast.LENGTH_SHORT).show();
          } else
            showDialog(GALLERY_DIALOG);
        }

      }
    });
    AlertDialog alert = builder.create();
    alert.show();
  }
  
  // Gallery Dialog
  @Override
  protected Dialog onCreateDialog(int id) {
    switch (id) {
    case GALLERY_DIALOG:
      LayoutInflater lo = (LayoutInflater) getSystemService(LAYOUT_INFLATER_SERVICE);
      View picDetailView = lo.inflate(R.layout.gallery_dialog,
          (Gallery) findViewById(R.id.gallery));

      AlertDialog.Builder picDetailBuilder = new AlertDialog.Builder(this);

      picDetailBuilder.setTitle("Added photos");
      picDetailBuilder.setView(picDetailView);
      picDetail = picDetailBuilder.create();

      return picDetail;
    default:
      break;
    }
    return null;
  }

  @Override
  protected void onPrepareDialog(int id, Dialog dialog, Bundle args) {
    switch (id) {
    case GALLERY_DIALOG:
      Gallery g = (Gallery) dialog.findViewById(R.id.gallery);
      g.setAdapter(new ImageAdapter(dialog.getContext(),
          DiaryApp.absolutePicPath));

      g.setOnItemClickListener(new OnItemClickListener() {
        public void onItemClick(AdapterView<?> parent, View v,
            int position, long id) {
          createGalleryDialogMenu(id);
        }
      });
    }
    super.onPrepareDialog(id, dialog, args);
  }

  // On photo click in Gallery dialog
  void createGalleryDialogMenu(long id) {
    final CharSequence[] items = { "View photo", "Remove photo" };
    String[] paths = DiaryApp.absolutePicPath.split(";");
    // anything other than final cannot be passed into an inner class
    final String picPath = paths[(int) id];
    final long ID = id;
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setTitle("Select an option");

    builder.setItems(items, new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int item) {

        if (items[item].equals("View photo")) {
          // Just create an intent to view the photo
          Intent intent = new Intent();
          intent.setAction(android.content.Intent.ACTION_VIEW);

          File file = new File(picPath);
          intent.setDataAndType(Uri.fromFile(file), "image/jpg");
          startActivity(intent);
        }
        if (items[item].equals("Remove photo")) {
          picDetail.dismiss();
          updatePath(ID);

        }
      }
    });
    AlertDialog alert = builder.create();
    alert.show();
  }

  void updatePath(long id) {
    String paths[] = DiaryApp.absolutePicPath.split(";");
    paths[(int) id] = "";
    DiaryApp.absolutePicPath = "";
    for (int i = 0; i < paths.length; i++) {
      DiaryApp.absolutePicPath += paths[i];
    }
    try {
      if (DiaryApp.absolutePicPath.equals("")) {
        DiaryApp.absolutePicPath = "null";
      }
    } catch (NullPointerException e) {
      DiaryApp.absolutePicPath = "null";
    }
    Log.d(TAG, "updated path:" + DiaryApp.absolutePicPath);
  }

  // --------------------Camera Stuff----------------------------
  
  private void galleryAddPic() {
    Intent mediaScanIntent = new Intent(
        "android.intent.action.MEDIA_SCANNER_SCAN_FILE");
    File f = new File(mCurrentPhotoPath);
    Uri contentUri = Uri.fromFile(f);
    mediaScanIntent.setData(contentUri);
    this.sendBroadcast(mediaScanIntent);
  }

  private void handleBigCameraPhoto() {
    if (mCurrentPhotoPath != null) {
      galleryAddPic();
    }

    if (DiaryApp.absolutePicPath.equals("null"))
      DiaryApp.absolutePicPath = mCurrentPhotoPath + ";";
    else
      DiaryApp.absolutePicPath += mCurrentPhotoPath + ";";
    Log.d(TAG, "handleBigCameraPhoto: " + DiaryApp.absolutePicPath);
    mCurrentPhotoPath = null;
    // button_attach_photo.setClickable(false);
  }

  private void getPathFromUri(Uri uri) {
    String[] filePathColumn = { MediaStore.Images.Media.DATA };

    Cursor cursor = getContentResolver().query(uri, filePathColumn, null,
        null, null);
    cursor.moveToFirst();

    int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
    String filePath = cursor.getString(columnIndex);
    if (DiaryApp.absolutePicPath.equals("null"))
      DiaryApp.absolutePicPath = filePath + ";";
    else
      DiaryApp.absolutePicPath += filePath + ";";
    Log.d(TAG, DiaryApp.absolutePicPath);
    cursor.close();
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    switch (requestCode) {
    case ACTION_TAKE_PHOTO_B:
      if (resultCode == RESULT_OK) {
        handleBigCameraPhoto();
      }
      break;

    case ACTIVITY_SELECT_IMAGE:
      if (resultCode == RESULT_OK) {
        Uri uri = data.getData();
        getPathFromUri(uri);
      }
      break;
    } // switch
  }

  private File createImageFile() throws IOException {
    // Create an image file name
    String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss")
        .format(new Date());
    String imageFileName = JPEG_FILE_PREFIX + timeStamp + "_";
    File albumF = getAlbumDir();
    File imageF = File.createTempFile(imageFileName, JPEG_FILE_SUFFIX,
        albumF);
    return imageF;
  }
  
  public File getAlbumStorageDir(String albumName) {
    return new File (
        Environment.getExternalStorageDirectory()
        + "/dcim/"
        + albumName
    );
  }

  private File getAlbumDir() {
    File storageDir = null;

    if (Environment.MEDIA_MOUNTED.equals(Environment
        .getExternalStorageState())) {

      try {
        storageDir = getAlbumStorageDir(getString(R.string.album_name));
      } catch (Exception e) {
        e.printStackTrace();
      }

      if (storageDir != null) {
        if (!storageDir.mkdirs()) {
          if (!storageDir.exists()) {
            Log.d("CameraSample", "failed to create directory");
            return null;
          }
        }
      }

    } else {
      Log.v(getString(R.string.app_name),
          "External storage is not mounted READ/WRITE.");
    }
    
    Log.d(TAG, storageDir.getPath());

    return storageDir;
  }

  private File setUpPhotoFile() throws IOException {

    File f = createImageFile();
    mCurrentPhotoPath = f.getAbsolutePath();

    return f;
  }

  protected void dispatchTakePictureIntent(int actionCode) {
    File f = null;
    Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
    try {
      f = setUpPhotoFile();
      mCurrentPhotoPath = f.getAbsolutePath();
      takePictureIntent
          .putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(f));
    } catch (IOException e) {
      e.printStackTrace();
      f = null;
      mCurrentPhotoPath = null;
    }
    startActivityForResult(takePictureIntent, actionCode);
  }
}

Java Source Code List

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