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copied!<p>I ended up using the <a href="http://blog.mediarain.com/2011/04/android-custom-progressbar-with-rounded-corners/" rel="nofollow">Custom Progress Bar with Round Corners</a> as a foundation to mine that Harry Joy recommended. However, if you want the same functionality that android's SDK version, such has <a href="http://developer.android.com/reference/android/widget/ProgressBar.html" rel="nofollow">intermediate</a> from the ProgressBar class I had to make some changes. The changes I have made enable an intermediate drawable to be defined and animated.</p> <p>Make sure you follow the instructions <a href="http://blog.mediarain.com/2011/04/android-custom-progressbar-with-rounded-corners/" rel="nofollow">here</a>, but replace the RoundProgress class with this:</p> <pre><code>public class RoundProgress extends RelativeLayout { private ImageView progressDrawableImageView; private ImageView trackDrawableImageView; private ImageView backGroundImageView; private double max = 100; private AttributeSet attrs2 ; private Transformation mTransformation; private AlphaAnimation mAnimation; private int mBehavior; private int mDuration; private Interpolator mInterpolator; private static Context ctx; private int bgResource; public int getMax() { Double d = new Double(max); return d.intValue(); } public double getMaxDouble() { return max; } public void setMax(int max) { Integer maxInt = new Integer(max); maxInt.doubleValue(); this.max = max; } public void setMax(double max) { this.max = max; } public RoundProgress(Context context, AttributeSet attrs) { super(context, attrs); LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); inflater.inflate(R.layout.round_progress, this); setup(context, attrs); } protected void setup(Context context, AttributeSet attrs) { attrs2 = attrs; ctx = context; TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RoundProgress); //setBackgroundResource(R.drawable.custom_loading_bg); backGroundImageView = (ImageView) findViewById(R.id.background_image_view); backGroundImageView.setBackgroundResource(R.drawable.custom_loading_bg); final String xmlns="http://schemas.android.com/apk/res/com.digiphd.prospec"; bgResource = attrs.getAttributeResourceValue(xmlns, "progressDrawable", 0); progressDrawableImageView = (ImageView) findViewById( R.id.progress_drawable_image_view); progressDrawableImageView.setBackgroundResource(bgResource); int trackResource = attrs.getAttributeResourceValue(xmlns, "track", 0); trackDrawableImageView = (ImageView) findViewById(R.id.track_image_view); trackDrawableImageView.setBackgroundResource(trackResource); int progress = attrs.getAttributeIntValue(xmlns, "progress", 0); setProgress(progress); int max = attrs.getAttributeIntValue(xmlns, "max", 100); setMax(max); int numTicks = attrs.getAttributeIntValue(xmlns, "numTicks", 0); a.recycle(); ProgressBarOutline outline = new ProgressBarOutline(context); //addView(outline); } public void setProgress(Integer value) { setProgress((double) value); } public void setProgress(double value) { ClipDrawable drawable = (ClipDrawable) progressDrawableImageView.getBackground(); double percent = (double) value/ (double)max; int level = (int)Math.floor(percent*10000); drawable.setLevel(level); } public void setIntermediate(boolean t) { if(t){ progressDrawableImageView.setBackgroundResource(R.drawable.custom_intermediate_bg); startAnimation(); }else{ progressDrawableImageView.clearAnimation(); progressDrawableImageView.setBackgroundResource(bgResource); } } /** * <p>Start the indeterminate progress animation.</p> */ void startAnimation() { int visibility = getVisibility(); if (visibility != VISIBLE) { return; } Log.d("INTERMEDIATE","ANIMATION START!"); mDuration = 1000; if (mInterpolator == null) { mInterpolator = new LinearInterpolator(); } mTransformation = new Transformation(); mAnimation = new AlphaAnimation(0.0f, 1.0f); mAnimation.setRepeatMode(Animation.REVERSE); mAnimation.setRepeatCount(Animation.INFINITE); mAnimation.setDuration(mDuration); mAnimation.setInterpolator(mInterpolator); mAnimation.setStartTime(Animation.START_ON_FIRST_FRAME); progressDrawableImageView.startAnimation(mAnimation); } } </code></pre> <p>Now in your activity, you can just call .setIntermediate(true or false) when required.</p>

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