Android Open Source - podplayer Score Preference

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License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCT...

Java Source Code

package com.mamewo.podplayer0;
// w w  w . j  a  v  a 2 s .  co m
import android.content.Context;
import android.content.res.TypedArray;
import android.preference.DialogPreference;
import android.util.AttributeSet;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class ScorePreference
  extends DialogPreference
  implements OnClickListener
{
  private double double_;
  private EditText editText_;
  private TextView dialogText_;
  private Button minusButton_;
  private Button plusButton_;
  static final
  private double STEP = 0.1;
  
  public ScorePreference(Context context, AttributeSet attrs) {
    super(context, attrs);
    double_ = 0.0;
    setDialogLayoutResource(R.layout.double_preference);
  }

  @Override
  protected void onBindDialogView(View view) {
    super.onBindDialogView(view);
    editText_ = (EditText) view.findViewById(R.id.double_pref_value);
    dialogText_ = (TextView) view.findViewById(R.id.double_pref_text);
    dialogText_.setText(R.string.pref_threshold_body);
    minusButton_ = (Button) view.findViewById(R.id.double_minus_button);
    minusButton_.setOnClickListener(this);
    plusButton_ = (Button) view.findViewById(R.id.double_plus_button);
    plusButton_.setOnClickListener(this);
    setEditText(double_);
  }

  @Override
  protected void onDialogClosed(boolean positiveResult) {
    super.onDialogClosed(positiveResult);
    if (positiveResult) {
      String strValue = editText_.getText().toString();
      double_ = Double.valueOf(strValue);
      setDoubleValue(double_);
    }
  }
  
  private void setEditText(double value) {
    editText_.setText(String.format("%.2f", value));
  }
  
  @Override
  protected Object onGetDefaultValue(TypedArray a, int index) {
    return a.getString(index);
  }

  private void setDoubleValue(double v) {
    double value = v;
    if (value < 0.0) {
      value = 0.0;
    }
    if (callChangeListener(value)) {
      double_ = value;
      persistString(Double.toString(value));
    }
  }

  @Override
  protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
    double value;
    
    if (restoreValue) {
      value = Double.valueOf(getPersistedString(Double.toString(double_)));
    }
    else {
      value = Double.valueOf((String) defaultValue);
    }
    setDoubleValue(value);
  }

  @Override
  public void onClick(View view) {
    double doubleValue = double_;
    try {
      doubleValue = Double.valueOf(editText_.getText().toString());
    }
    catch (NumberFormatException e) {
      //do nothing
    }
    if (view == minusButton_) {
      doubleValue -= STEP;
    }
    else if (view == plusButton_) {
      doubleValue += STEP;
    }
    if (doubleValue < 0.0) {
      doubleValue = 0.0;
    }
    setEditText(doubleValue);
  }
}

Java Source Code List

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