Android Open Source - my-wallpaper Category Edit Activity

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License

The source code is released under:

MIT License

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Java Source Code

package com.koonen.photostream;
// w ww .j av  a 2  s. c  om
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.koonen.photostream.dao.Category;

/**
 * 
 * @author Glick
 * 
 */
public class CategoryEditActivity extends Activity {

  static final String EXTRA_CATEGORY = "com.koonen.photostream.category";
  static final String EXTRA_EDIT_CATEGORY = "com.koonen.photostream.edit_category";

  private EditText categoryName;
  private EditText categoryTags;

  private Category category;
  private boolean isEdit;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    category = getCategory();
    isEdit = getCategory() != null;

    setContentView(R.layout.category_edit);
    setupViews();
  }

  private Category getCategory() {
    final Intent intent = getIntent();
    final Bundle extras = intent.getExtras();

    Category category = null;
    if (extras != null) {
      category = extras.getParcelable(EXTRA_CATEGORY);
    }

    return category;
  }

  private void setupViews() {
    categoryName = (EditText) findViewById(R.id.category_name);
    categoryTags = (EditText) findViewById(R.id.category_tags);

    if (category != null) {
      categoryName.setText(category.getName());
      categoryTags.setText(category.getTags());
    }

    Button okButton = (Button) findViewById(R.id.ok_button);
    okButton.setOnClickListener(new OnClickListener() {

      private void showMessage(int resId) {
        Toast.makeText(CategoryEditActivity.this, resId,
            Toast.LENGTH_SHORT).show();
      }

      @Override
      public void onClick(View v) {
        if (category == null) {
          category = Category.createCategory();
        }
        String field = categoryName.getText().toString();
        if (field == null || "".equals(field.trim())) {
          showMessage(R.string.category_name_not_empty);
          return;
        }
        category.setName(field);

        field = categoryTags.getText().toString();
        if (field == null || "".equals(field.trim())) {
          showMessage(R.string.tags_not_empty);
          return;
        }
        category.setTags(field);

        Intent intent = new Intent();
        intent.putExtra(EXTRA_CATEGORY, category);
        intent.putExtra(EXTRA_EDIT_CATEGORY, isEdit);
        setResult(RESULT_OK, intent);
        CategoryEditActivity.this.finish();
      }
    });

    Button cancelButton = (Button) findViewById(R.id.cancel_button);
    cancelButton.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        CategoryEditActivity.this.setResult(RESULT_CANCELED);
        CategoryEditActivity.this.finish();
      }

    });
  }

  static void show(Activity context) {
    show(context, null);
  }

  static void show(Activity context, Category category) {
    Intent intent = new Intent(context, CategoryEditActivity.class);
    if (category != null) {
      intent.putExtra(EXTRA_CATEGORY, category);
    }
    context.startActivityForResult(intent,
        ActivityConstants.REQUEST_ID_CATEGORY_EDIT);
  }
}

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