Android Open Source - Easy_Hidden_Notepad Easy Hidden Notepad

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License

The source code is released under:

Copyright (c) 2011, 2012, Hunter Davis All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are m...

Java Source Code

package com.hunterdavis.easyhiddennotepad;
// ww  w .java2s  . co m
import android.app.Activity;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnLongClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;

import com.google.ads.AdRequest;
import com.google.ads.AdView;

public class EasyHiddenNotepad extends Activity {
  
   // setup our hidden sql text
    InventorySQLHelper NotesData = new InventorySQLHelper(this);
  
  
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
       
    // grab a view to the image and load blank png 
    ImageView imgView = (ImageView) findViewById(R.id.ImageView01);
    imgView.setImageResource(R.drawable.blankscreen);
    
    // photo on click listener
    imgView.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        Intent intent = new Intent();
        intent.setType("image/*");
        intent.setAction(Intent.ACTION_GET_CONTENT);
        startActivityForResult(
            Intent.createChooser(intent, "Select Picture"), 1);

      }

    }); 
     
    // photo long click listener
    imgView.setOnLongClickListener(new OnLongClickListener() { 
          @Override
          public boolean onLongClick(View v) {
              // TODO Auto-generated method stub
            switchViews(v.getContext(),1);
              return true;
          }
      });
    
    // hidden button listener
    Button hiddenButton = (Button) findViewById(R.id.hideButton);
    hiddenButton.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        switchViews(v.getContext(),0);
      }

    });
    
    // Look up the AdView as a resource and load a request.
    AdView adView = (AdView) this.findViewById(R.id.adView);
    adView.loadAd(new AdRequest());
    }
    
  @Override
  public void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (resultCode == RESULT_OK) {
      if (requestCode == 1) {
        Uri selectedImageUri1 = data.getData();

        // grab a handle to the image
        ImageView imgPreView = (ImageView) findViewById(R.id.ImageView01);
        imgPreView.setImageURI(selectedImageUri1);

      } 
    }
  }
  
  public void switchViews(Context context,int view)
  {
    ImageView imgView = (ImageView) findViewById(R.id.ImageView01);
    EditText hiddenText = (EditText) findViewById(R.id.hiddentext);
    Button hiddenButton = (Button) findViewById(R.id.hideButton);
    
    if(view == 1)
    {
      Cursor noteCursor = getNotesCursor();
      if(noteCursor.getCount() > 0)
      {
        noteCursor.moveToFirst();
        // retrieve our values for this row
        String Notes = noteCursor.getString(1);
        hiddenText.setText(Notes);
      }
      imgView.setVisibility(View.GONE);
      hiddenText.setVisibility(View.VISIBLE);
      hiddenButton.setVisibility(View.VISIBLE);
    }
    else
    {
      // here we save our hidden text to the database
      String name = "Unnamed Item";
      // now that we have a picture uri, create a new table entry for
      // this inventory item
      SQLiteDatabase db = NotesData.getWritableDatabase();
      ContentValues values = new ContentValues();
      values.put(InventorySQLHelper.NOTES, hiddenText.getText().toString());
      long latestRowId = db.insert(InventorySQLHelper.TABLE, null,
          values);
      db.close();
      
      imgView.setVisibility(View.VISIBLE);
      hiddenText.setVisibility(View.GONE);
      hiddenButton.setVisibility(View.GONE);
    }
  
  }
  
  private Cursor getNotesCursor() {
    SQLiteDatabase db = NotesData.getReadableDatabase();
    Cursor cursor = db.query(InventorySQLHelper.TABLE, null, null, null,
        null, null, null);
    startManagingCursor(cursor);
    return cursor;
  }
    
}

Java Source Code List

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