关于左边留间隔的问题marginLeft

2014-10-24 04:56:11 462 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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用marginLeft="10dp"来设置距离左边的间隔，但我的要求有点不同。

对于不同的屏幕分辩率，不想采用具体的间隔像素，而是要求一个百分比。

比如：我想让一个控件居中，左右离边缘各有10%的间隔，这应该如何实现呢？

即对于480x???的屏幕，左右各留48个像素
对于1200x????的屏幕，左右各留120个像素。

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vnking

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切换为时间正序

Sad4This 2014-10-27

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用LinearLayout的weight属性

MR__P 2014-10-27

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如果你能明确比例的话可以用weight属性

骑着蜗牛去爬山 2014-10-27

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左右各加个View占位，然后用weight和gravity。

vnking 2014-10-27

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感觉都有些复杂

yubingqiang123 2014-10-27

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这个是我做的一个不同手机屏幕的适配，看一下对你有帮助有 DisplayMetrics displayMetrics = new DisplayMetrics(); this.getWindowManager().getDefaultDisplay().getMetrics(displayMetrics); int screenWidth = displayMetrics.widthPixels; int screenHeight = displayMetrics.heightPixels; System.err.println("打印高:" + screenWidth); System.err.println("打印宽:" + screenHeight); if (screenWidth == 480) { rate = (int) (textsize * (float) screenWidth / 480); rate = (int) (textsize * (float) screenHeight / 800); int w = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED); int h = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED); game_img.measure(w, h); int height = game_img.getMeasuredHeight(); System.out.println("出来" + height); RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams( LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT); RelativeLayout.LayoutParams layoutParam = new RelativeLayout.LayoutParams( 150, 35); layoutParam.setMargins(70, 0, 0, 0); layoutParams.topMargin = height / 2 + 9; layoutParam.topMargin = height / 2 + 9; game_gjchu.setGravity(Gravity.CENTER); game_gjchu.setLayoutParams(layoutParams); rubberView.setGravity(Gravity.CENTER); rubberView.setLayoutParams(layoutParam); } else if (screenWidth == 1080) { rate = (int) (textsize * (float) screenWidth / 1080 * 1.2); rate = (int) (textsize * (float) screenHeight / 1920 * 1.2); int w = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED); int h = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED); game_img.measure(w, h); int height = game_img.getMeasuredHeight(); System.out.println("出来" + height); RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams( LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT); RelativeLayout.LayoutParams layoutParam = new RelativeLayout.LayoutParams( 300, 80); layoutParam.setMargins(130, 0, 0, 0); layoutParams.topMargin = height / 2 + 9; layoutParam.topMargin = height / 2 + 9; game_gjchu.setGravity(Gravity.CENTER); game_gjchu.setLayoutParams(layoutParams); rubberView.setGravity(Gravity.CENTER); rubberView.setLayoutParams(layoutParam); } else if (screenWidth == 540) { rate = (int) (textsize * (float) screenWidth / 540 * 1.2); rate = (int) (textsize * (float) screenHeight / 960 * 1.2); int w = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED); int h = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED); game_img.measure(w, h); int height = game_img.getMeasuredHeight(); System.out.println("出来" + height); RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams( LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT); RelativeLayout.LayoutParams layoutParam = new RelativeLayout.LayoutParams( 150, 40); layoutParam.setMargins(70, 0, 0, 0); layoutParams.topMargin = height / 2 + 9; layoutParam.topMargin = height / 2 + 9; game_gjchu.setGravity(Gravity.CENTER); game_gjchu.setLayoutParams(layoutParams); rubberView.setGravity(Gravity.CENTER); rubberView.setLayoutParams(layoutParam); } else if (screenWidth == 720) { rate = (int) (textsize * (float) screenWidth / 720 * 1.2); rate = (int) (textsize * (float) screenHeight / 1280 * 1.2); int w = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED); int h = View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED); game_img.measure(w, h); int height = game_img.getMeasuredHeight(); System.out.println("出来" + height); RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams( LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT); RelativeLayout.LayoutParams layoutParam = new RelativeLayout.LayoutParams( 200, 60); layoutParam.setMargins(90, 0, 0, 0); layoutParams.topMargin = height / 2 + 9; layoutParam.topMargin = height / 2 + 9; game_gjchu.setGravity(Gravity.CENTER); game_gjchu.setLayoutParams(layoutParams); rubberView.setGravity(Gravity.CENTER); rubberView.setLayoutParams(layoutParam); } else { } game_jinbi.setTextSize(rate); game_shuoming2.setTextSize(rate); game_shuoming.setTextSize(rate); game_gjcishu.setTextSize(rate); game_gjcishu2.setTextSize(rate); }

网络咖啡 2014-10-24

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把margin值写道dimens.xml文件中，使用value-XXX这样的文件来适配不同屏幕尺寸，每个这样的文件夹下面一个dimens.xml文件

小双 2014-10-24

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代码添加也可以，获取屏幕尺寸，然后代码添加控件设置计算出来的长度宽度，还有margin

荔枝别闹了 2014-10-24

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写一个适配文件

关于左边留间隔的问题marginLeft

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