Android Open Source - SimpleStrengthLog Add Activity

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Back to project page SimpleStrengthLog.

License

The source code is released under:

MIT License

Java Source Code

package com.nomachetejuggling.ssl;
/*from  w w w .j  a v  a  2s. c  o  m*/
import java.util.ArrayList;

import org.apache.commons.lang3.StringUtils;

import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Build;
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.Button;
import android.widget.CheckBox;
import android.widget.EditText;
import android.widget.TextView;

import com.nomachetejuggling.ssl.model.Exercise;

public class AddActivity extends Activity {
  
  private String[] availableMuscles;
  private String[] currentMuscles;  

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_add);
    setupActionBar();
  
    availableMuscles = getIntent().getExtras().getStringArray("muscles");
  
    
    if(savedInstanceState != null) { //Restore
      if(savedInstanceState.containsKey("currentMuscles")) {
        setCurrentMuscles(savedInstanceState.getStringArray("currentMuscles"));
      } else {
        setCurrentMuscles(new String[]{});
      }
    } else 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
      
      EditText restTimeText = (EditText) findViewById(R.id.restTimeText);
      restTimeText.setText(""+exercise.restTime);
      restTimeText.requestFocus();
      
      CheckBox favoriteCheckBox = (CheckBox) findViewById(R.id.favoriteCheckBoxAdd);
      favoriteCheckBox.setChecked(exercise.favorite);
      
      setCurrentMuscles(exercise.muscles);
      
      getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN);
    } else { // Add
      getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
    }
  }

  @TargetApi(Build.VERSION_CODES.HONEYCOMB)
  private void setupActionBar() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
      getActionBar().setDisplayHomeAsUpEnabled(true);
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    getMenuInflater().inflate(R.menu.add, menu);
    return true;
  }

  @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 onSaveInstanceState(Bundle savedInstanceState) {
    super.onSaveInstanceState(savedInstanceState);
    savedInstanceState.putSerializable("currentMuscles", this.currentMuscles);
  }
  
  public void saveExercise() {
    boolean valid = true;
    
    TextView nameText = (TextView) this.findViewById(R.id.nameText);
    TextView restText = (TextView) this.findViewById(R.id.restTimeText);
    
    if( nameText.getText().toString().length() == 0 ) { 
      nameText.setError( "Exercise name is required!" );
      valid = false;
    }
    
    if(!StringUtils.isNumeric(restText.getText())) {
      restText.setError("Rest time must be a number");
      valid = false;
    }
    
    int restTime = Integer.parseInt(restText.getText().toString());
    if(restTime <= 0 || restTime > 300) {
      restText.setError("Rest time must be between 1 and 300");
      valid = false;
    }
    
    CheckBox favoriteCheckBox = (CheckBox) findViewById(R.id.favoriteCheckBoxAdd);    
    
    if(valid) {
      Exercise newExercise = new Exercise();
      newExercise.name=nameText.getText().toString().trim();
      newExercise.restTime=restTime;
      newExercise.muscles = this.currentMuscles;
      newExercise.favorite = favoriteCheckBox.isChecked();
      
      Intent intent = new Intent();
      intent.putExtra("newExercise",newExercise);
      setResult(RESULT_OK,intent);
      finish();  
    }
  }
  
  private void setCurrentMuscles(String[] muscles) {
      currentMuscles = muscles;
      
      Button musclesButton = (Button) findViewById(R.id.musclesButton);
      musclesButton.setText(Util.join(currentMuscles, ", ", getString(R.string.setTagsButton)));
  }
  
  public void clickTags(View view) {
    
    final ArrayList<String> mSelectedMuscles = new ArrayList<String>();
    if(currentMuscles != null) {
      for(String currentMuscle: currentMuscles) {
        mSelectedMuscles.add(currentMuscle);
      }
    }
    
    //Super inefficient but it's a small list, hopefully we can get away with it.
    boolean[] checkedItems = new boolean[availableMuscles.length];  
    for(int i=0;i<checkedItems.length;i++) {
      checkedItems[i] = mSelectedMuscles.contains(availableMuscles[i]);
    }
    
    AlertDialog.Builder ab = new AlertDialog.Builder(this);
    ab.setTitle("Select Muscles Worked");
    ab.setMultiChoiceItems(availableMuscles, checkedItems, new DialogInterface.OnMultiChoiceClickListener() {
           @Override
           public void onClick(DialogInterface dialog, int which, boolean isChecked) {
               if (isChecked) {
                 mSelectedMuscles.add(availableMuscles[which]);
               } else if (mSelectedMuscles.contains(which)) { 
                 mSelectedMuscles.remove(availableMuscles[which]);
               }
           }
       });
    ab.setPositiveButton("Save", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int id) {
              String[] muscles = mSelectedMuscles.toArray(new String[]{});
              setCurrentMuscles(muscles);
            }
        });
    
        ab.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int id) {
              
            }
        });
    
    ab.create().show();

  }

}

Java Source Code List

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