Android Open Source - TheNewBoston Internal Data

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License

The source code is released under:

Eclipse Public License - v 1.0 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECI...

Java Source Code

package com.homelysoft.thenewboston;
//from  w w w . j  a  v  a  2s.  co  m
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class InternalData extends Activity implements OnClickListener {

  EditText sharedData;
  TextView dataDisplay;
  Button save, load;
  FileOutputStream fos;
  String fileName = "internal_string";

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.shared_prefs);
    bridgeXML();
    setOnClickListeners();
  }

  private void bridgeXML() {
    sharedData = (EditText) findViewById(R.id.et_prefs);
    dataDisplay = (TextView) findViewById(R.id.tv_prefs_status);
    save = (Button) findViewById(R.id.b_pref_save);
    load = (Button) findViewById(R.id.b_pref_load);
  }

  private void setOnClickListeners() {
    save.setOnClickListener(this);
    load.setOnClickListener(this);
  }

  @Override
  public void onClick(View v) {
    switch (v.getId()) {
    case R.id.b_pref_save:
      String data = sharedData.getText().toString();
      /*
       * Saving data via File File f=new File(fileName); try { fos=new
       * FileOutputStream(f); //write something here fos.close(); } catch
       * (FileNotFoundException e) { e.printStackTrace(); } catch
       * (IOException e) { e.printStackTrace(); }
       */
      try {
        fos = openFileOutput(fileName, Context.MODE_PRIVATE);
        fos.write(data.getBytes());
        fos.close();
      } catch (FileNotFoundException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      }
      break;
    case R.id.b_pref_load:
      dataDisplay.setText("Yes, you tapped load button");
      new loadStuff().execute(fileName);
      break;
    }

  }

  public class loadStuff extends AsyncTask<String, Integer, String> {
    
    ProgressDialog dialog;
    
    @Override
    protected void onPreExecute() {
      dialog=new ProgressDialog(InternalData.this);
      dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
      dialog.show();
    }

    @Override
    protected String doInBackground(String... params) {
      String collected = null;
      FileInputStream fis = null;
            
      try {
        fis = openFileInput(fileName);
        byte[] dataArray = new byte[fis.available()];
        dialog.setMax(fis.available());
        while (fis.read(dataArray) != -1) {
          publishProgress(dataArray.length);
          try {
            Thread.sleep(100);
          } catch (InterruptedException e) {
            e.printStackTrace();
          }
        }
        collected = new String(dataArray);
        dialog.dismiss();
      } catch (FileNotFoundException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      } finally {
        try {
          fis.close();
          return collected;
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
      return null;
    }

    @Override
    protected void onProgressUpdate(Integer... progress) {
      dialog.incrementProgressBy(progress[0]);

    }

    protected void onPostExecute(String result) {
      dataDisplay.setText(result);
    }

  }

}

Java Source Code List

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