Android Open Source - SleepGuard Activity_ Show Recording

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Back to project page SleepGuard.
License

The source code is released under:
GNU General Public License
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Java Source Code

package com.szabolcs.szijarto.sleepguard;
/* w ww . j a  va  2 s  .  co  m*/
import android.app.Activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

public class Activity_ShowRecording extends Activity {

  private RecordingFile myrf;
  private Recording myrec;
  private Bitmap mybitmap;
  private int currPeakInd, maxPeakInd;    // currPeakind goes from 1..maxPeakInd 
  private Button firstButton, backButton, fwdButton, lastButton;
  private static int NOPEAKS = -999;

  private TextView recordingNameTextView;
  private TextView peakCounterTextView;
  private TextView durPeaksTextView, maxBpmTextView;
  private ImageView recordingImageView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_showrecording);
    findViews();
    init();
    showPeakByIndex(currPeakInd);
  }
  
  private void init() {
    myrf = (RecordingFile) getIntent().getSerializableExtra(RecordingFile.EXTRA_RECORDINGFILEOBJECT);
    myrf.setContext(this);
    myrec = myrf.deserializeRecording();
    recordingNameTextView.setText(myrf.getDisplayName());
    maxPeakInd = myrec.getPeaks_cnt();
    if ( maxPeakInd == 0 ) {
      // no peaks, display default image
      currPeakInd = NOPEAKS;
      peakCounterTextView.setText("0 peaks");
      firstButton.setEnabled(false);
      backButton.setEnabled(false);
      fwdButton.setEnabled(false);
      lastButton.setEnabled(false);
    } else {
      currPeakInd = 1;
    }
  }

  public void firstPeak(View v) {
    if ( currPeakInd == NOPEAKS ) return;
    showPeakByIndex(1);
  }

  public void backPeak(View v) {
    if ( currPeakInd == NOPEAKS ) return;
    showPeakByIndex(currPeakInd-1);
  }

  public void fwdPeak(View v) {
    if ( currPeakInd == NOPEAKS ) return;
    showPeakByIndex(currPeakInd+1);
  }

  public void lastPeak(View v) {
    if ( currPeakInd == NOPEAKS ) return;
    showPeakByIndex(maxPeakInd);
  }

  public void gotoPeak(View v) {
    if ( currPeakInd == NOPEAKS ) return;
    ;
  }
  
  private void findViews() {
    recordingNameTextView = (TextView) findViewById(R.id.recording_name);
    peakCounterTextView = (TextView) findViewById(R.id.peak_counter);
    durPeaksTextView = (TextView) findViewById(R.id.dur_value);
    maxBpmTextView = (TextView) findViewById(R.id.max_bpm_value);
    recordingImageView = (ImageView) findViewById(R.id.recording_image);
    firstButton = (Button) findViewById(R.id.button_first);
    backButton = (Button) findViewById(R.id.button_back);
    fwdButton = (Button) findViewById(R.id.button_fwd);
    lastButton = (Button) findViewById(R.id.button_last);
  }
  
  private void showPeakByIndex(int i) {
    if ( (i == NOPEAKS) || (i<1) || (i>maxPeakInd) ) {
      showImage();
      return;
    }
    currPeakInd = i;
    peakCounterTextView.setText(currPeakInd+" of "+maxPeakInd);
    Peak p = myrec.getPeaks().get(currPeakInd-1);  // one less because List index starts from 0
    durPeaksTextView.setText(p.getDurationString());
    maxBpmTextView.setText(String.valueOf((int)p.max_pulse));
    showImage(p);
  }
  
  private void showImage() {
    mybitmap = myrec.getChartBitmap();
    recordingImageView.setImageBitmap(mybitmap);
    recordingImageView.setScaleType(ImageView.ScaleType.FIT_CENTER);
  }
  
  private void showImage(Peak p) {
    mybitmap = myrec.getChartBitmap(p);
    recordingImageView.setImageBitmap(mybitmap);
    recordingImageView.setScaleType(ImageView.ScaleType.FIT_CENTER);
    ;
  }
}
Java Source Code List
