Android Open Source - SpunkyCharts Base Ent Ex Animation A

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.jogden.spunkycharts.animations;
/* /*from  w ww.j  a  va  2s .  com*/
Copyright (C) 2014 Jonathon Ogden     < jeog.dev@gmail.com >

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see http://www.gnu.org/licenses.
*/
import com.jogden.spunkycharts.BaseChartFragmentA;
import com.jogden.spunkycharts.DockingPanelActivity;

import android.animation.Animator;
import android.animation.PropertyValuesHolder;
import android.animation.TimeInterpolator;
import android.animation.ValueAnimator;
import android.content.Context;
import android.util.AttributeSet;
import android.widget.RelativeLayout;
import android.animation.ObjectAnimator;

/** This is the base class for custom Enter-Exit animations. These
 * will control frag animations when it enters and exits the screen.
 * </p>
 * (CURRENTLY NOT IMPLEMENTED: because android limits 
 * fragment transaction animations, and restricts sub-classing 
 * ObjectAnimator, we are experimenting with other ways to 
 * implement.)
 */
public abstract class BaseEntExAnimationA extends Animator 
{
    private static BaseChartFragmentA _frag = null;
    private static RelativeLayout.LayoutParams _lParams 
        = null;
    private static RelativeLayout.LayoutParams _offTopParams 
        = null;
    private ObjectAnimator _object = new ObjectAnimator();
    
    static public void setFragOnDeck(BaseChartFragmentA frag)
    {
        _frag = frag;
    }
    static public void setFragParamsOnDeck(
        RelativeLayout.LayoutParams lParams
    ){
        _lParams = 
        DockingPanelActivity.copyParams(lParams);            
        if(_lParams != null)
            _offTopParams = 
                DockingPanelActivity.copyParams(_lParams);
        _offTopParams.height = 0;
    }
    
//    abstract public void setupInitialFragParams();
    
    public BaseEntExAnimationA(Context c, AttributeSet a, int s)
    {
        super();
        if(_frag != null)
            this.setTarget(_frag);
        else
            throw new RuntimeException("_frag can't be null");        
        _object.setDuration(10000);
        _object.setPropertyName("alpha");
        _object.setTarget(_frag);
        _object.setFloatValues(0,1f);    
    }
    @Override
    public long getStartDelay() {    
        return _object.getStartDelay();
    }
    @Override
    public void setStartDelay(long startDelay) {    
        _object.setStartDelay(startDelay);
    }
    @Override
    public Animator setDuration(long duration) {    
        _object.setDuration(duration);
        return this;
    }
    @Override
    public long getDuration() {    
        return _object.getDuration();
    }
    @Override
    public void setInterpolator(TimeInterpolator value) {    
        _object.setInterpolator(value);
    }
    @Override
    public boolean isRunning() {    
        return _object.isRunning();
    }
    @Override
    public void start(){
        _object.start();
    }
}

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