Android Open Source - Findbooks Find Books

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License

The source code is released under:

Copyright (c) 2010, Shaka Huang All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Re...

Java Source Code

package com.corner23.android.findbooks;
//from   ww w . jav  a 2s .  c  om
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import com.corner23.android.findbooks.barcode.BarCodeIntegrator;
import com.corner23.android.findbooks.barcode.BarCodeIntentResult;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.text.Editable;
// import android.text.TextWatcher;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class FindBooks extends Activity {
  private static final String TAG = "FindBooks";
  
  private EditText mEditText = null;
  // private Button mButtonISBNConvert = null;
  // private String isbn_origin = null;  

    /*
    private TextWatcher mTextWatcher = new TextWatcher() {

    @Override
    public void afterTextChanged(Editable s) {
      int length = s.length();
      if (length == 13) {
        mButtonISBNConvert.setEnabled(true);
            mButtonISBNConvert.setClickable(true);
        mButtonISBNConvert.setText(R.string.btn_convert_isbn10_text);
      } else if ((length == 10) && isbn_origin != null) {
        mButtonISBNConvert.setEnabled(true);
            mButtonISBNConvert.setClickable(true);
        mButtonISBNConvert.setText(R.string.btn_convert_restore_text);
      } else {
        mButtonISBNConvert.setEnabled(false);
            mButtonISBNConvert.setClickable(false);
      }
    }

    @Override
    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
    }

    @Override
    public void onTextChanged(CharSequence s, int start, int before, int count) {
    }
  };
  */

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater menuInflater = getMenuInflater();
    menuInflater.inflate(R.menu.menu, menu);
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.menu_settings:
      Intent settingsIntent = new Intent(this, Settings.class);
      startActivity(settingsIntent);
      break;
      
    case R.id.menu_about:
      break;
    }
    
    return super.onOptionsItemSelected(item);
  }
  
  @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
       
        if (mEditText == null) {
          mEditText = (EditText) findViewById(R.id.edit_isbn);
          // mEditText.addTextChangedListener(mTextWatcher);
        }

        /*
        if (mButtonISBNConvert == null) {
          mButtonISBNConvert = (Button) findViewById(R.id.btn_isbn10);
          mButtonISBNConvert.setClickable(false);
      mButtonISBNConvert.setEnabled(false);
          mButtonISBNConvert.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v) {
          if (mEditText == null) {
            return;
          }
          
          Editable text = mEditText.getText();
          if (text == null) {
            return;
          }
          
          // currently in ISBN-13 mode
          if (isbn_origin == null) {
            String input = text.toString();
            if (input.length() != 13) {
              return;
            }
            isbn_origin = input;
            String isbn10 = isbn_origin.substring(3, isbn_origin.length());
            mEditText.setText(isbn10);
            mEditText.setSelection(isbn10.length(), isbn10.length());
            mButtonISBNConvert.setText(R.string.btn_convert_restore_text);
          } else {
            mEditText.setText(isbn_origin);
            mEditText.setSelection(isbn_origin.length(), isbn_origin.length());
            mButtonISBNConvert.setText(R.string.btn_convert_isbn10_text);
            isbn_origin = null;
          }
        }}
          );
        }
        */
        Button btn_scan_find = (Button) findViewById(R.id.btn_scan_find);
        btn_scan_find.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
            BarCodeIntegrator.initiateScan(FindBooks.this);
      }}
        );

        Button btn_find = (Button) findViewById(R.id.btn_find);
        btn_find.setOnClickListener(new OnClickListener() {
      @Override
      public void onClick(View v) {
        if (mEditText == null) {
          return;
        }
        
        Editable text = mEditText.getText();
        if (text == null) {
          return;
        }
        
        String isbn = text.toString();  
          FindbookByISBN_Advance(isbn);
      }}
        );
  }
    
    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
      if (resultCode == Activity.RESULT_CANCELED) {
        Log.d(TAG, "Canceled by user");
      return;
    }
    
      BarCodeIntentResult scanResult = BarCodeIntegrator.parseActivityResult(requestCode, resultCode, intent);
      if (scanResult != null) {
        String isbn = scanResult.getContents();
        if (mEditText != null) {
          mEditText.setText(isbn);
          mEditText.setSelection(isbn.length(), isbn.length());
        }
        FindbookByISBN_Advance(isbn);
      } else {
        Log.d(TAG, "Nothing found..");
      }
    }

    private void FindbookByISBN_Advance(String isbn) {
      if (isbn == null) {
        return;
      }
      
      if (isbn.length() == 0) {
        return;
      }
      Log.d(TAG, "isbn:" + isbn);
      
      Bundle bundle = new Bundle();
      bundle.putString("ISBN", isbn);
      Intent intent = new Intent(this, ShowBookInfo.class);
      intent.putExtras(bundle);
      startActivity(intent);
    }
}

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