关于左边留间隔的问题marginLeft

Question

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

Answer 1

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

Answer 2

左右各加个View占位，然后用weight和gravity。

Answer 3

如果你能明确比例的话可以用weight属性

Answer 4

 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); }