Android Open Source - EasyHash Main Activity

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From Project

Back to project page EasyHash.

License

The source code is released under:

MIT License

Java Source Code

package com.kerseykyle.easyhash;
/* w  w w . j  a v a 2 s  . c om*/
import java.security.MessageDigest;

import android.os.Build;
import android.os.Bundle;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Intent;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.TextView;

public class MainActivity extends Activity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Share();

    Intent intent = getIntent();
    String action = intent.getAction();
    String type = intent.getType();

    if (Intent.ACTION_SEND.equals(action) && type != null) {
      if ("text/plain".equals(type)) {
        handleSendText(intent); // Handle text being sent
      } 
    } 

    EditText myTextBox = (EditText) findViewById(R.id.input);
    myTextBox.setSingleLine(true);
    myTextBox.addTextChangedListener(new TextWatcher() {

      public void afterTextChanged(Editable s) {
      }

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

      @TargetApi(Build.VERSION_CODES.HONEYCOMB)
      public void onTextChanged(CharSequence s, int start, int before,
          int count) {

        String md5hash = CreateHash(s.toString(), "MD5");
        TextView md5 = (TextView) findViewById(R.id.md5);
        md5.setText(md5hash);
        md5.setTextIsSelectable(true);

        String sha1hash = CreateHash(s.toString(), "SHA-1");
        TextView sha1 = (TextView) findViewById(R.id.sha1);
        sha1.setText(sha1hash);
        sha1.setTextIsSelectable(true);


        String sha256hash = CreateHash(s.toString(), "SHA-256");
        TextView sha256 = (TextView) findViewById(R.id.sha256);
        sha256.setText(sha256hash);
        sha256.setTextIsSelectable(true);

        String sha512hash = CreateHash(s.toString(), "SHA-512");
        TextView sha512 = (TextView) findViewById(R.id.sha512);
        sha512.setText(sha512hash);
        sha512.setTextIsSelectable(true);
      }
    });

  }

  public static String CreateHash(String data, String function) {
    try {
      MessageDigest digest = MessageDigest.getInstance(function);
      byte[] hash = digest.digest(((String) data).getBytes("UTF-8"));
      StringBuffer hexString = new StringBuffer();

      for (int i = 0; i < hash.length; i++) {
        String hex = Integer.toHexString(0xff & hash[i]);
        if (hex.length() == 1)
          hexString.append('0');
        hexString.append(hex);
      }

      return hexString.toString();
    } catch (Exception ex) {
      throw new RuntimeException(ex);
    }
  }

  public void Share() {

    TextView md5 = (TextView) findViewById(R.id.md5);
    md5.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        // TODO Auto-generated method stub
        EditText myTextBox = (EditText) findViewById(R.id.input);
        String md5hash = CreateHash(myTextBox.getText().toString(),
            "MD5");
        Intent sendIntent = new Intent();
        sendIntent.setAction(Intent.ACTION_SEND);
        sendIntent.putExtra(Intent.EXTRA_TEXT, md5hash);
        sendIntent.setType("text/plain");
        startActivity(sendIntent);

      }
    });

    TextView sha1 = (TextView) findViewById(R.id.sha1);
    sha1.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        // TODO Auto-generated method stub
        EditText myTextBox = (EditText) findViewById(R.id.input);
        String sha1hash = CreateHash(myTextBox.getText().toString(),
            "SHA-1");
        Intent sendIntent = new Intent();
        sendIntent.setAction(Intent.ACTION_SEND);
        sendIntent.putExtra(Intent.EXTRA_TEXT, sha1hash);
        sendIntent.setType("text/plain");
        startActivity(sendIntent);
      }
    });

    TextView sha256 = (TextView) findViewById(R.id.sha256);
    sha256.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        // TODO Auto-generated method stub
        EditText myTextBox = (EditText) findViewById(R.id.input);
        String sha256hash = CreateHash(myTextBox.getText().toString(),
            "SHA-256");
        Intent sendIntent = new Intent();
        sendIntent.setAction(Intent.ACTION_SEND);
        sendIntent.putExtra(Intent.EXTRA_TEXT, sha256hash);
        sendIntent.setType("text/plain");
        startActivity(sendIntent);
      }
    });

    TextView sha512 = (TextView) findViewById(R.id.sha512);
    sha512.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        // TODO Auto-generated method stub
        EditText myTextBox = (EditText) findViewById(R.id.input);
        String sha512hash = CreateHash(myTextBox.getText().toString(),
            "SHA-512");
        Intent sendIntent = new Intent();
        sendIntent.setAction(Intent.ACTION_SEND);
        sendIntent.putExtra(Intent.EXTRA_TEXT, sha512hash);
        sendIntent.setType("text/plain");
        startActivity(sendIntent);
      }
    });

    {
    }
  }


  @TargetApi(Build.VERSION_CODES.HONEYCOMB)
  void handleSendText(Intent intent) {
    String sharedText = intent.getStringExtra(Intent.EXTRA_TEXT);
    if (sharedText != null) {
      
      EditText input = (EditText) findViewById(R.id.input);
      input.setText(sharedText);
      
      String md5hash = CreateHash(sharedText, "MD5");
      TextView md5 = (TextView) findViewById(R.id.md5);
      md5.setText(md5hash);
      md5.setTextIsSelectable(true);

      String sha1hash = CreateHash(sharedText, "SHA-1");
      TextView sha1 = (TextView) findViewById(R.id.sha1);
      sha1.setText(sha1hash);
      sha1.setTextIsSelectable(true);


      String sha256hash = CreateHash(sharedText, "SHA-256");
      TextView sha256 = (TextView) findViewById(R.id.sha256);
      sha256.setText(sha256hash);
      sha256.setTextIsSelectable(true);

      String sha512hash = CreateHash(sharedText, "SHA-512");
      TextView sha512 = (TextView) findViewById(R.id.sha512);
      sha512.setText(sha512hash);
      sha512.setTextIsSelectable(true);
      
    }
  } 
}

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