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這裏是我的屏幕布局的快速說明。圍繞自定義LinearLayout繪製邊框
<CustomLayout>
<CardView>
<CustomTextView />
<CustomTextView />
<CustomTextView />
</CardView>
<CustomTextView />
<CustomTextView />
</CustomLayout>
我編碼它,以便CardView extends LinearLayout
和CustomTextView extends TextView
。除非我想在CardView
的底部和第二個CustomTextView
的底部繪製邊框線,否則一切正常。要做到這一點,我用同樣的方法對我CardView
和我CustomTextView
:
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
getLocalVisibleRect(mRect);
if (mDrawBottomBorder)
canvas.drawLine(mRect.left, mRect.bottom, mRect.right, mRect.bottom, mBorderPaint);
}
該方法被調用在這兩種情況下,即對我CardView
和CustomTextView
但它並不繪製邊框爲我CardView
!我懷疑這是因爲它extends LinearLayout
而不是TextView
,但它不應該工作嗎?