InstaMaterial source files (Photo publishing)

MainActivity.java

// MainActivity.java

@Override
protected void onNewIntent(Intent intent) {
    super.onNewIntent(intent);
    if (ACTION_SHOW_LOADING_ITEM.equals(intent.getAction())) {
        showFeedLoadingItemDelayed();
    }
}

PublishActivity.java

// PublishActivity.java

private void bringMainActivityToTop() {
    Intent intent = new Intent(this, MainActivity.class);
    intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP | Intent.FLAG_ACTIVITY_CLEAR_TOP);
    intent.setAction(MainActivity.ACTION_SHOW_LOADING_ITEM);
    startActivity(intent);
}

SendingProgressView1.java

private void setupProgressPaint() {
    progressPaint = new Paint();
    progressPaint.setAntiAlias(true);
    progressPaint.setStyle(Paint.Style.STROKE);
    progressPaint.setColor(0xffffffff);
    progressPaint.setStrokeWidth(PROGRESS_STROKE_SIZE);
}

SendingProgressView2.java

private void drawArcForCurrentProgress() {
    tempCanvas.drawArc(progressBounds, -90f, 360 * currentProgress / 100, false, progressPaint);
}

SendingProgressView3.java

@Override
protected void onDraw(Canvas canvas) {
    if (state == STATE_PROGRESS_STARTED) {
        drawArcForCurrentProgress();
    }

	//..

    canvas.drawBitmap(tempBitmap, 0, 0, null);
}

SendingProgressView4.java

private void setupSimulateProgressAnimator() {
    simulateProgressAnimator = ObjectAnimator.ofFloat(this, "currentProgress", 0, 100).setDuration(2000);
    simulateProgressAnimator.setInterpolator(new AccelerateInterpolator());
    simulateProgressAnimator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            changeState(STATE_DONE_STARTED);
        }
    });
}

SendingProgressView5.java

setCurrentProgress(0);
simulateProgressAnimator.start();

SendingProgressView6.java

private void setupDonePaints() {
    doneBgPaint = new Paint();
    doneBgPaint.setAntiAlias(true);
    doneBgPaint.setStyle(Paint.Style.FILL);
    doneBgPaint.setColor(0xff39cb72);

    checkmarkPaint = new Paint();

    maskPaint = new Paint();
    maskPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));
}

SendingProgressView7.java

private void setupDoneMaskBitmap() {
    innerCircleMaskBitmap = Bitmap.createBitmap(getWidth(), getWidth(), Bitmap.Config.ARGB_8888);
    Canvas srcCanvas = new Canvas(innerCircleMaskBitmap);
    srcCanvas.drawCircle(getWidth() / 2, getWidth() / 2, getWidth() / 2 - INNER_CIRCLE_PADDING, new Paint());
}

SendingProgressView8.java

@Override
protected void onDraw(Canvas canvas) {
    //...
    } else if (state == STATE_DONE_STARTED) {
        drawFrameForDoneAnimation();
        postInvalidate();
    } else if (state == STATE_FINISHED) {
        drawFinishedState();
    }
    //...
    canvas.drawBitmap(tempBitmap, 0, 0, null);
}

private void drawFrameForDoneAnimation() {
    tempCanvas.drawCircle(getWidth() / 2, getWidth() / 2 + currentDoneBgOffset, getWidth() / 2 - INNER_CIRCLE_PADDING, doneBgPaint);
    tempCanvas.drawBitmap(checkmarkBitmap, checkmarkXPosition, checkmarkYPosition + currentCheckmarkOffset, checkmarkPaint);
    tempCanvas.drawBitmap(innerCircleMaskBitmap, 0, 0, maskPaint);
    tempCanvas.drawArc(progressBounds, 0, 360f, false, progressPaint);
}

SendingProgressView9.java

private void setupDoneAnimators() {
    doneBgAnimator = ObjectAnimator.ofFloat(this, "currentDoneBgOffset", MAX_DONE_BG_OFFSET, 0).setDuration(300);
    doneBgAnimator.setInterpolator(new DecelerateInterpolator());

    checkmarkAnimator = ObjectAnimator.ofFloat(this, "currentCheckmarkOffset", MAX_DONE_IMG_OFFSET, 0).setDuration(300);
    checkmarkAnimator.setInterpolator(new OvershootInterpolator());
    checkmarkAnimator.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            changeState(STATE_FINISHED);
        }
    });
}