Android Open Source - android-note-widget Main Activity

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From Project

Back to project page android-note-widget.

License

The source code is released under:

Apache License

Java Source Code

package com.demondevelopers.notewidget;
/*from  ww w  .  j a  v a  2 s .  c  o m*/
import android.appwidget.AppWidgetManager;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Rect;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.Loader;
import android.support.v4.widget.CursorAdapter;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.FrameLayout;
import android.widget.FrameLayout.LayoutParams;
import android.widget.GridView;

import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;


public class MainActivity extends FragmentActivity implements LoaderCallbacks<Cursor>
{
  private NotesAdapter mAdapter;
  private GridView     mGridView;
  
  
  @Override
  protected void onCreate(Bundle savedInstanceState)
  {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    getWindow().setBackgroundDrawableResource(R.color.note_list_bg);
    mAdapter  = new NotesAdapter(this);
    mGridView = (GridView)findViewById(R.id.note_grid);
    mGridView.setAdapter(mAdapter);
    getSupportLoaderManager().initLoader(0, null, this);
  }

  @Override
  public Loader<Cursor> onCreateLoader(int id, Bundle args)
  {
    return NoteStorage.getAllNotes(this);
  }

  @Override
  public void onLoadFinished(Loader<Cursor> loader, Cursor data)
  {
    if(data != null){
      mAdapter.changeCursor(data);
    }
  }

  @Override
  public void onLoaderReset(Loader<Cursor> loader)
  {
    mAdapter.changeCursor(null);
  }
  
  
  private static class NotesAdapter extends CursorAdapter implements View.OnClickListener
  {
    private static final String TAG = MainActivity.NotesAdapter.class.getSimpleName();
    
    public  final LayoutInflater mInflater;
    private final int mPadding;
    
    
    public NotesAdapter(Context context)
    {
      super(context, null, true);
      mInflater = LayoutInflater.from(context);
      mPadding = context.getResources().getDimensionPixelSize(R.dimen.appwidget_note_padding);
    }
    
    @Override
    public View newView(Context context, Cursor cursor, ViewGroup parent)
    {
      FrameLayout layout = new FrameLayout(context);
      layout.setLayoutParams(new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
      layout.setPadding(mPadding, mPadding, mPadding, mPadding / 2);
      mInflater.inflate(R.layout.note_view, layout, true);
      return layout;
    }
    
    @Override
    public void bindView(View view, Context context, Cursor cursor)
    {
      EditText note = (EditText)view.findViewById(R.id.note);
      NoteWidgetService.applyNoteViewAttrs(context, note, 
        cursor.getString(cursor.getColumnIndex(NoteStorage.Columns.NOTE)));
      note.setTag(R.id.app_widget_id, Integer.valueOf(cursor.getInt(
          cursor.getColumnIndex(NoteStorage.Columns._ID))));
      note.setOnClickListener(this);
      note.setKeyListener(null);
    }
    
    @Override
    public void onClick(View v)
    {
      Context context = v.getContext();
      Intent intent = new Intent(context, ConfigActivity.class)
        .putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, 
          (Integer)v.getTag(R.id.app_widget_id));
      
      final int[] location = new int[2];
      v.getLocationOnScreen(location);
      final Rect rect = new Rect(location[0], location[1],
        location[0] + v.getWidth(), location[1] + v.getHeight());
      intent.setSourceBounds(rect);
      
      context.startActivity(intent);
    }
    
    @Override
    protected void onContentChanged()
    {
      super.onContentChanged();
      Log.e(TAG, "onContentChanged");
    }
  }
}

Java Source Code List

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