Android Open Source - Naming Abandon Chars

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License

The source code is released under:

Apache License

Java Source Code

package com.miemie.naming;
/*from w ww  .ja va2  s. c  o  m*/
import java.util.HashSet;

import android.app.Activity;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class AbandonChars extends Activity {

  private HashSet<String> mAbandonList = null;
  private EditText mEditText;
  private TextView mText;
  private Button mAdd, mRemove;
  private View.OnClickListener mClickListener = new View.OnClickListener() {

    @Override
    public void onClick(View v) {
      String txt = null;

      if (mAbandonList == null)
        return;

      if (mEditText != null) {
        txt = mEditText.getEditableText().toString();
      }

      if (TextUtils.isEmpty(txt)) {
        return;
      }

      if (v.getId() == R.id.btn_add) {
        char[] chars = txt.toCharArray();
        for (char c : chars) {
          if (!mAbandonList.contains(String.valueOf(c))) {
            mAbandonList.add(String.valueOf(c));
            updateTxt();
          }
          mEditText.setText("");
        }
      } else if (v.getId() == R.id.btn_remove) {
        char[] chars = txt.toCharArray();
        for (char c : chars) {
          if (mAbandonList.contains(String.valueOf(c))) {
            mAbandonList.remove(String.valueOf(c));
            updateTxt();
          }
        }
        mEditText.setText("");
      }
    }
  };

  Handler mHandler = new Handler() {
    public void dispatchMessage(android.os.Message msg) {
      if (msg.what == 1) {
        mRemove.setEnabled(true);
        mAdd.setEnabled(true);
        updateTxt();
      }
    };
  };

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

    setContentView(R.layout.activity_abandon);

    mAdd = (Button) findViewById(R.id.btn_add);
    mAdd.setOnClickListener(mClickListener);
    mAdd.setEnabled(false);
    mRemove = (Button) findViewById(R.id.btn_remove);
    mRemove.setOnClickListener(mClickListener);
    mRemove.setEnabled(false);

    mEditText = (EditText) findViewById(R.id.editText1);
    mText = (TextView) findViewById(R.id.all);

    new Thread() {

      public void run() {
        mAbandonList = Utils.getAbandonList(AbandonChars.this);
        mHandler.sendEmptyMessage(1);
      };

    }.start();
  }

  @Override
  protected void onResume() {
    super.onResume();
  }

  @Override
  public void finish() {
    super.finish();
  }

  @Override
  public void onBackPressed() {
    super.onBackPressed();
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();

  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    menu.add(0, 1, 0, "Clear all");
    menu.add(0, 2, 0, "Save to file.");
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    if (item.getItemId() == 1) {
      SQLiteDatabase db = Utils.openDatabase(AbandonChars.this);
      for (String character : mAbandonList) {
        Utils.updateAbandonDB(AbandonChars.this, db, character, 0);
      }
      db.close();
      mAbandonList.clear();
      updateTxt();
    } else if (item.getItemId() == 2) {
      Utils.saveToAbandonFile(mAbandonList);
    }
    return super.onOptionsItemSelected(item);
  }

  private void updateTxt() {
    StringBuilder sb = new StringBuilder();
    for (String word : mAbandonList) {
      sb.append(word);
      sb.append(" ");
    }
    mText.setText(sb.toString());
  }
}

Java Source Code List

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