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Android視圖控件架構(gòu)分析之View、ViewGroup_Android_腳本之家
protectedvoidonMeasure(intwidthMeasureSpec,intheightMeasureSpec) { // 調(diào)用父類的onMeasure() super.onMeasure(measureWidth(widthMeasureSpec), measureHeight(heightMeasureSpec)); // 或者直接調(diào)用父類的setMeasuredDimension(),因為父類的onMeasure()最終調(diào)用了setMeasuredDimension() // setMeasuredDimension(measureWidth(...
www.dbjr.com.cn/article/837...htm 2025-5-29
Android實現(xiàn)IM多人員組合的群組頭像_Android_腳本之家
protectedvoidonMeasure(intwidthMeasureSpec,intheightMeasureSpec) { mWidth = getWidth(widthMeasureSpec); mHeight = getHeight(heightMeasureSpec); setMeasuredDimension(mWidth, mHeight); } privateintgetWidth(intmeasureSpec) { intwidth = MIN_WIDTH_AND_HEIGHT; intspecMode = MeasureSpec.getMode(measureSpec);...
www.dbjr.com.cn/article/1498...htm 2025-5-17
Android之ScrollView嵌套ListView和GridView沖突的解決方法_Android...
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { if (haveScrollbars == false) { int expandSpec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST); super.onMeasure(widthMeasureSpec, expandSpec); } else { super.onMeasure(widthMeasureSpec, heightMeasure...
www.dbjr.com.cn/article/410...htm 2025-5-18
Android 兩個ViewPager的聯(lián)動效果的實現(xiàn)_Android_腳本之家
child.measure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED)); inth = child.getMeasuredHeight(); height = h; } heightMeasureSpec = MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY); super.onMeasure(widthMeasureSpec, heightMeasureSpec); ...
www.dbjr.com.cn/article/1448...htm 2025-5-20
Android 根據(jù)手勢頂部View自動展示與隱藏效果_Android_腳本之家
viewBottom.measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY)); setMeasuredDimension(width, height); } @Override protectedvoidonLayout(booleanchanged,intl,intt,intr,intb) { inttopHeight = viewTop.getMeasuredHeight(); ...
www.dbjr.com.cn/article/1216...htm 2025-5-19
Android自定義View實現(xiàn)帶音效和震動的SeekBar_Android_腳本之家
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { mWidth = calculateSize(true, widthMeasureSpec); mHeight = calculateSize(false, heightMeasureSpec); mHalfWidth = mWidth >> 1; if (mWidthRangeNumber == 0) { mWidthRangeNumber = (int) (mWidth / gradationGap * mNumberUn...
www.dbjr.com.cn/program/318427e...htm 2025-5-31
Android 實現(xiàn)帶字母索引的側(cè)邊欄功能_Android_腳本之家
case MeasureSpec.EXACTLY: { return widthSize; } case MeasureSpec.UNSPECIFIED: default: return DEFAULT_WIDTH; } } @Override public boolean dispatchTouchEvent(MotionEvent event) { switch (event.getAction()) { case MotionEvent.ACTION_DOWN: hit = true; onHit(event.getY()); break; case MotionEvent...
www.dbjr.com.cn/article/1216...htm 2025-5-31
Android自定義View繪制貝塞爾曲線實現(xiàn)流程_Android_腳本之家
MeasureSpec.getSize(measureSpec) } else { defaultSize } } override fun onDraw(canvas: Canvas) { super.onDraw(canvas) //裁剪畫布為圓形 cutCanvas(canvas) //繪制圓形 drawRound(canvas) //繪制波浪 drawWave(canvas) //自動增長進度 autoGrow() } //進度從0-100,自動增長 private fun autoGrow() {...
www.dbjr.com.cn/article/2663...htm 2025-6-4