Android Open Source - clinicalguide Number Ticker

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Back to project page clinicalguide.

License

The source code is released under:

Apache License

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Java Source Code

package org.get.oxicam.clinicalguide.ui;
//from www . jav a2s.  c o m
import org.get.oxicam.clinicalguide.R;

import android.content.Context;
import android.text.Editable;
import android.text.InputType;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.View;
import android.widget.EditText;
import android.widget.FrameLayout;

public class NumberTicker extends FrameLayout implements TextWatcher {

  private EditText mNumText;
  
  private int mMin = 0;
  private int mMax = 100;
  
  private NumberTickerValueChangeListener changeListener;
  
  public NumberTicker(Context context) {
    super(context);
    setLayout();
  }
  
  public NumberTicker(Context context, AttributeSet attrs) {
    super(context, attrs);
    setLayout();
  }
  
  public void setValueChangeListener(NumberTickerValueChangeListener l) {
    changeListener = l;
  }

  private void setLayout() {
    inflate(getContext(), R.layout.number_ticker, this);
    
    mNumText = (EditText)findViewById(R.id.numText);
    mNumText.setInputType(InputType.TYPE_CLASS_NUMBER);
    mNumText.addTextChangedListener(this);
    mNumText.setTextIsSelectable(true);//hide keyboard
    //mNumText.requestFocus();
  
    
    findViewById(R.id.numUp).setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        setValue(getValue() + 1);
      }
    });
    
    findViewById(R.id.numDown).setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        setValue(getValue() - 1);
      }
    });
  }
  
  private void fireValueChanged() {
    if(changeListener != null) {
      changeListener.valueChanged(this, getValue());
    }
  }
  
  public void setMinValue(int min) {
    mMin = min;
    // apply new min value if neccessary
    setValue(getValue());
  }
  
  public void setMaxValue(int max) {
    mMax = max;
    // apply new max value if neccessary
    setValue(getValue());
  }
  
  public int getValue() {
    int num = 0;
    try {
      num = Integer.parseInt(mNumText.getEditableText().toString());
    } catch(NumberFormatException e) {
      // don't care
    }
    return num;
  }
  
  public void setValue(int val) {
    if(val > mMax) {
      val = mMax;
    } else if(val < mMin) {
      val = mMin;
    }
    mNumText.setText("" + val);
    fireValueChanged();
  }

  @Override
  public void afterTextChanged(Editable e) {
    fireValueChanged();
  }

  @Override
  public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
    // not needed
  }

  @Override
  public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
    // not needed
  }
}

Java Source Code List