Android Open Source - SimpleCardioLog Add Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.nomachetejuggling.scl;
// w ww .jav a2 s .com
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.Spinner;
import android.widget.TextView;

import com.nomachetejuggling.scl.model.Exercise;

public class AddActivity extends Activity implements OnItemSelectedListener, OnSeekBarChangeListener {

  private static final String DEFAULT_PRECISION = "1";
  private ArrayAdapter<String> measurementUnitAdapter;
  private String[] units;
  private String[] precisions;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_add);
    getActionBar().setDisplayHomeAsUpEnabled(true);

    precisions = getResources().getStringArray(R.array.precision_array);
    units = Util.loadUnits(getApplicationContext());

    measurementUnitAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, getUnitList());
    measurementUnitAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
    
    Spinner measurementUnitSpinner = (Spinner) findViewById(R.id.measurementUnitSpinner);
    measurementUnitSpinner.setAdapter(measurementUnitAdapter);
    measurementUnitSpinner.setOnItemSelectedListener(this);
    
    TextView precisionTextView = (TextView) findViewById(R.id.measurementPrecisisonTextView);
    precisionTextView.setText(getResources().getString(R.string.measurementPrecisionLabel) + " 1");
    
    SeekBar precisionSeek = (SeekBar) findViewById(R.id.measurementPrecisionSeek);
    precisionSeek.setMax(getResources().getStringArray(R.array.precision_array).length - 1);
    precisionSeek.setOnSeekBarChangeListener(this);

    if (getIntent() != null && getIntent().getExtras() != null && getIntent().getExtras().containsKey("exercise")) { // Edit
      Exercise exercise = (Exercise) getIntent().getExtras().getSerializable("exercise");

      EditText nameText = (EditText) findViewById(R.id.nameText);
      nameText.setText(exercise.name);
      nameText.setEnabled(false); // Renaming has huge cascading effects, it's not allowed for now

      if (exercise.units.equals(Exercise.UNITLESS)) {
        int binarySearch = Arrays.binarySearch(precisions, DEFAULT_PRECISION);
        precisionSeek.setProgress(binarySearch); // Default
      } else {
        int binarySearch = Arrays.binarySearch(precisions, exercise.precision);
        precisionSeek.setProgress(binarySearch);
      }

      int unitIndex = getUnitList().indexOf(exercise.units);
      if (unitIndex != -1) {
        measurementUnitSpinner.setSelection(unitIndex);
      }

      CheckBox favoriteCheckBox = (CheckBox) findViewById(R.id.favoriteCheckBoxAdd);
      favoriteCheckBox.setChecked(exercise.favorite);

      getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN);
    } else { // Add
      getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
      int binarySearch = Arrays.binarySearch(precisions, DEFAULT_PRECISION);
      precisionSeek.setProgress(binarySearch);
    }

  }
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.add, menu);
    return true;
  }

  @Override
  public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
    final TextView precisionTextView = (TextView) findViewById(R.id.measurementPrecisisonTextView);
    precisionTextView.setText(getResources().getString(R.string.measurementPrecisionLabel) + " " + precisions[progress]);
  }

  @Override
  public void onItemSelected(AdapterView<?> arg0, View arg1, int pos, long id) {
    List<String> unitList = getUnitList();
    String selected = unitList.get(pos);
    if (selected.equals(Exercise.UNITLESS)) {
      findViewById(R.id.measurementPrecisisonTextView).setVisibility(View.GONE);
      findViewById(R.id.measurementPrecisionSeek).setVisibility(View.GONE);
    } else {
      findViewById(R.id.measurementPrecisisonTextView).setVisibility(View.VISIBLE);
      findViewById(R.id.measurementPrecisionSeek).setVisibility(View.VISIBLE);
    }
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case android.R.id.home:
      NavUtils.navigateUpFromSameTask(this);
      return true;
    case R.id.action_save:
      saveExercise();
      return true;
    }
    return super.onOptionsItemSelected(item);
  }
  
  @Override
  public void onStartTrackingTouch(SeekBar arg0) {}

  @Override
  public void onStopTrackingTouch(SeekBar arg0) {}
  
  @Override
  public void onNothingSelected(AdapterView<?> arg0) { }

  private void saveExercise() {
    boolean valid = true;

    TextView nameText = (TextView) this.findViewById(R.id.nameText);

    if (nameText.getText().toString().length() == 0) {
      nameText.setError("Exercise name is required!");
      valid = false;
    }

    Spinner measurementUnitSpinner = (Spinner) findViewById(R.id.measurementUnitSpinner);

    CheckBox favoriteCheckBox = (CheckBox) findViewById(R.id.favoriteCheckBoxAdd);

    if (valid) {
      Exercise newExercise = new Exercise();
      newExercise.name = nameText.getText().toString().trim();
      newExercise.favorite = favoriteCheckBox.isChecked();
      newExercise.units = (String) measurementUnitSpinner.getSelectedItem();

      if (!newExercise.units.equals(Exercise.UNITLESS)) {
        SeekBar measurementPrecisionSeeker = (SeekBar) findViewById(R.id.measurementPrecisionSeek);
        final String[] precisions = getResources().getStringArray(R.array.precision_array);
        String seekerPrecision = precisions[measurementPrecisionSeeker.getProgress()];
        newExercise.precision = seekerPrecision;
      }

      Intent intent = new Intent();
      intent.putExtra("newExercise", newExercise);
      setResult(RESULT_OK, intent);
      finish();
    }
  }
  
  private ArrayList<String> getUnitList() {
    final ArrayList<String> unitList = new ArrayList<String>();
    unitList.add(Exercise.UNITLESS);
    unitList.addAll(Arrays.asList(units));
    return unitList;
  }
}

Java Source Code List

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