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SeekBar进度条背景图片和按钮图标的动态切换

2016-08-16 10:46 357 查看
代码如下：

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package com.android.camera.manager;
import android.view.View;import com.android.camera.Log;import com.android.camera.R;
import android.graphics.Color;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.drawable.Drawable;import android.view.View;
import com.android.camera.Log;import com.android.camera.ui.RotateModeItemView;
import android.widget.SeekBar;import android.widget.SeekBar.OnSeekBarChangeListener;import android.graphics.Rect;
import com.android.camera.Util;import android.content.Context;
public class ProferssionManager extends ViewManager implements View.OnClickListener{
private SeekBar mProfessionSeekBar;    private static Rect mBounds;	    private static final int[] PROFESSION_SEEKBAR_PROGRESS = new int[PROFESSION_NUM_COUNTS];    static {        PROFESSION_SEEKBAR_PROGRESS[0] = R.drawable.eq_seekbar_press1;        PROFESSION_SEEKBAR_PROGRESS[1] = R.drawable.eq_seekbar_press2;        PROFESSION_SEEKBAR_PROGRESS[2] = R.drawable.eq_seekbar_press3;        PROFESSION_SEEKBAR_PROGRESS[3] = R.drawable.eq_seekbar_press4;    };
private static final int[] PROFESSION_SEEKBAR_THUMB = new int[PROFESSION_NUM_COUNTS];    static {        PROFESSION_SEEKBAR_THUMB[0] = R.drawable.eq_thumb1;        PROFESSION_SEEKBAR_THUMB[1] = R.drawable.eq_thumb2;        PROFESSION_SEEKBAR_THUMB[2] = R.drawable.eq_thumb3;        PROFESSION_SEEKBAR_THUMB[3] = R.drawable.eq_thumb4;    };
public ProferssionManager(CameraActivity context) {        super(context, VIEW_LAYER_OVERLAY);    }
@Override    protected View getView() {        View v = getContext().inflate(R.layout.proferssion_background, getViewLayer());                mProfessionSeekBar.setThumb(getContext().getResources().getDrawable(R.drawable.eq_thumb_default));        mProfessionSeekBar.setProgressDrawable(getContext().getResources().getDrawable(R.drawable.eq_seekbar_default));        //一定要获取到原进度条的Bounds	mBounds = mProfessionSeekBar.getProgressDrawable().getBounds();		        return v;    }

@Override    public void onClick(View view) {        for (int i = 0; i < PROFESSION_NUM_COUNTS; i++) {            //mProfessionViews[i]可以忽视，这只是一个判断条件            if (mProfessionViews[i] == view) {		switchSeekBar(i);            }        }    }	    public void switchSeekBar(int i) {	Drawable progressDrawable = getContext().getResources().getDrawable(PROFESSION_SEEKBAR_PROGRESS[i]);	mProfessionSeekBar.setProgressDrawable(progressDrawable);	//如果没有下面这一步，新切换的进度条背景图会拉伸填满整个进度条的布局	mProfessionSeekBar.getProgressDrawable().setBounds(mBounds);
Drawable thumbDrawable= getContext().getResources().getDrawable(PROFESSION_SEEKBAR_THUMB[i]);	mProfessionSeekBar.setThumb(thumbDrawable);    }
private void applyListener() {        if (mProfessionSeekBar!= null) {            mProfessionSeekBar.setOnSeekBarChangeListener(mSeekBarLisenter1);        }    }
private OnSeekBarChangeListener mSeekBarLisenter = new OnSeekBarChangeListener() {        @Override        public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {           //切换进度条背景和按钮后，监听会执行一次progress = 0 的操作，不知道为什么会如此，           //但是这样会给编程中的一些操作造成困扰        }
@Override	public void onStartTrackingTouch(SeekBar seekBar) {			}
@Override	public void onStopTrackingTouch(SeekBar seekBar) {			}    };}


                                            

                                        

                        
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