Android Open Source - Aviary-Android-SDK Slider Effect Panel

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The source code is released under:

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Java Source Code

package com.aviary.android.feather.effects;
//from  www.  ja v  a 2  s.  co  m
import java.util.Locale;

import android.graphics.Bitmap;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;

import com.aviary.android.feather.R;
import com.aviary.android.feather.library.content.ToolEntry;
import com.aviary.android.feather.library.filters.FilterLoaderFactory;
import com.aviary.android.feather.library.filters.FilterLoaderFactory.Filters;
import com.aviary.android.feather.library.services.IAviaryController;
import com.aviary.android.feather.library.tracking.Tracker;
import com.aviary.android.feather.widget.AviarySeekBar;
import com.aviary.android.feather.widget.AviaryWheel;
import com.aviary.android.feather.widget.AviaryWheel.OnWheelChangeListener;

public abstract class SliderEffectPanel extends AbstractOptionPanel implements OnSeekBarChangeListener, OnClickListener, OnWheelChangeListener {

  enum SliderStyle {
    SeekBarStyle, WheelStyle
  };

  private SliderStyle mStyle;
  AviaryWheel mWheel;
  AviarySeekBar mSeekBar;
  String mResourceName;
  View mButtonMinus, mButtonPlus;

  public SliderEffectPanel ( IAviaryController context, ToolEntry entry, Filters type, String resourcesBaseName ) {
    super( context, entry );
    mStyle = SliderStyle.WheelStyle;

    mFilter = FilterLoaderFactory.get( type );
    mResourceName = resourcesBaseName;
  }

  @Override
  public void onCreate( Bitmap bitmap, Bundle options ) {
    super.onCreate( bitmap, options );

    mButtonMinus = getOptionView().findViewById( R.id.aviary_button_minus );
    mButtonPlus = getOptionView().findViewById( R.id.aviary_button_plus );

    if ( mStyle == SliderStyle.SeekBarStyle ) {
      mSeekBar = (AviarySeekBar) getOptionView().findViewById( R.id.aviary_seekbar );
      mSeekBar.setProgress( 50 );
    } else {
      mWheel = (AviaryWheel) getOptionView().findViewById( R.id.aviary_wheel );
      mWheel.setValue( 50 );
    }
  }

  @Override
  public void onActivate() {
    super.onActivate();
    mButtonMinus.setOnClickListener( this );
    mButtonPlus.setOnClickListener( this );

    if ( mStyle == SliderStyle.SeekBarStyle ) {
      mSeekBar.setOnSeekBarChangeListener( this );
    } else {
      mWheel.setOnWheelChangeListener( this );
      disableHapticIsNecessary( mWheel );
    }
  }

  @Override
  public void onDeactivate() {
    super.onDeactivate();
    mButtonMinus.setOnClickListener( null );
    mButtonPlus.setOnClickListener( null );

    if ( mStyle == SliderStyle.SeekBarStyle ) {
      mSeekBar.setOnSeekBarChangeListener( null );
    } else {
      mWheel.setOnWheelChangeListener( this );
    }
  }

  protected void setValue( int value ) {
    if ( mStyle == SliderStyle.SeekBarStyle ) {
      mSeekBar.setProgress( value );
    } else {
      mWheel.setValue( value );
    }
  }

  @Override
  public void onClick( View v ) {
    final int id = v.getId();
    if ( id == mButtonMinus.getId() ) {
      decreaseValue();
    } else if ( id == mButtonPlus.getId() ) {
      increaseValue();
    }
  }

  protected void decreaseValue() {
    if ( mStyle == SliderStyle.SeekBarStyle ) {
      mSeekBar.setProgress( mSeekBar.getProgress() - 1 );
    } else {
      mWheel.setValue( mWheel.getValue() - 1 );
    }
  }

  protected void increaseValue() {
    if ( mStyle == SliderStyle.SeekBarStyle ) {
      mSeekBar.setProgress( mSeekBar.getProgress() + 1 );
    } else {
      mWheel.setValue( mWheel.getValue() + 1 );
    }
  }

  @Override
  protected ViewGroup generateOptionView( LayoutInflater inflater, ViewGroup parent ) {
    if ( mStyle == SliderStyle.SeekBarStyle ) {
      return (ViewGroup) inflater.inflate( R.layout.aviary_panel_seekbar, parent, false );
    } else {
      return (ViewGroup) inflater.inflate( R.layout.aviary_panel_wheel, parent, false );
    }
  }

  @Override
  public final void onProgressChanged( SeekBar seekBar, int progress, boolean fromUser ) {
    onSliderChanged( progress, fromUser );
  }

  @Override
  public final void onStartTrackingTouch( SeekBar seekBar ) {
    Tracker.recordTag( getName().name().toLowerCase( Locale.US ) + ": SliderMoved" );
    onSliderStart( seekBar.getProgress() );
  }

  @Override
  public final void onStopTrackingTouch( SeekBar seekBar ) {
    onSliderEnd( seekBar.getProgress() );
  }

  @Override
  public final void onStartTrackingTouch( AviaryWheel view ) {
    Tracker.recordTag( getName().name().toLowerCase( Locale.US ) + ": WheelMoved" );
    onSliderStart( view.getValue() );
  }

  @Override
  public final void OnValueChanged( AviaryWheel view, int value ) {
    onSliderChanged( value, true );
  }

  @Override
  public void onStopTrackingTouch( AviaryWheel view ) {
    onSliderEnd( view.getValue() );
  }

  protected abstract void onSliderStart( int value );

  protected abstract void onSliderChanged( int value, boolean fromUser );

  protected abstract void onSliderEnd( int value );
}

Java Source Code List