private void initView() {
mPaint1 = new Paint();
mPaint1.setColor(Color.BLUE);
mPaint1.setStyle(Style.FILL);
mPaint2 = new Paint();
mPaint2.setColor(Color.YELLOW);
mPaint2.setStyle(Style.FILL);
}
canvas.drawRect(0, 0, getMeasuredWidth(), getMeasuredHeight(), mPaint1);
canvas.drawRect(10, 10, getMeasuredWidth() - 10,
getMeasuredHeight() - 10, mPaint2);
canvas.save();
canvas.translate(10, 0);
super.onDraw(canvas);
canvas.restore();
if (mWidth == 0) {
mWidth = getMeasuredWidth();
if (mWidth > 0) {
mPaint = getPaint();
mLinearGradient = new LinearGradient(0, 0, mWidth, 0,
new int[] { Color.GRAY, Color.GREEN, Color.GRAY }, null,
Shader.TileMode.CLAMP);
mPaint.setShader(mLinearGradient);
matrix = new Matrix();
}
}
if (matrix != null) {
mTranslate = mTranslate + mWidth / 5;
if (mTranslate > 2 * mWidth) {
mTranslate = -mWidth;
}
matrix.setTranslate(mTranslate, 0);
mLinearGradient.setLocalMatrix(matrix);
postInvalidateDelayed(100);
}
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