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Cap user volume at 1.0

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It seems that MediaPlayer.setVolume ignores anything greater.
This commit is contained in:
Christopher Eby 2011-09-25 16:01:25 -05:00
parent af651e4aa5
commit de9793ca37
1 changed files with 6 additions and 6 deletions
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12
src/org/kreed/vanilla/VolumePreference.java
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@ -33,7 +33,7 @@ import android.widget.SeekBar;
/**
* A preference that provides a volume slider dialog.
*
* The position in the slider is saved as float ranging from 0 to 3 on a
* The position in the slider is saved as float ranging from 0 to 1 on a
* roughly exponential scale.
*/
public class VolumePreference extends DialogPreference implements SeekBar.OnSeekBarChangeListener {
@ -54,27 +54,27 @@ public class VolumePreference extends DialogPreference implements SeekBar.OnSeek
seekBar.setPadding(20, 20, 20, 20);
seekBar.setLayoutParams(params);
seekBar.setMax(1000);
seekBar.setProgress((int)(Math.pow(getPersistedFloat(1.0f) / 3, 0.25f) * 1000));
seekBar.setProgress((int)(Math.pow(getPersistedFloat(1.0f), 0.25f) * 1000));
seekBar.setOnSeekBarChangeListener(this);
builder.setView(seekBar);
}
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser)
{
// Approximate an exponential curve with x^4. Produces a value from 0.0 - 3.0.
// Approximate an exponential curve with x^4. Produces a value from 0.0 - 1.0.
if (fromUser && shouldPersist()) {
float value = seekBar.getProgress() / 1000.0f;
value *= value;
value *= value;
persistFloat(value * 3);
persistFloat(value);
}
}
public void onStartTrackingTouch(SeekBar seekBar)
{
{
}
public void onStopTrackingTouch(SeekBar seekBar)
{
}
}
}