获取字符串占的屏幕的宽度:
[java]
view plain copyPaint mPaint = new Paint();
int width = mPaint.measureText(hello); //在屏幕中所占的宽度
计算出当前绘制出来的字符串有多宽,可以这么来!
方法1:
[java]
view plain copyPaint pFont = new Paint();
Rect rect = new Rect();
//返回包围整个字符串的最小的一个Rect区域
pFont.getTextBounds(str, 0, 1, rect);
strwid = rect.width();
strhei = rect.height();
方法2:
[java]
view plain copyRect bounds = new Rect();
String text = "Hello World";
TextPaint paint;
paint = findViewById(R.id.hello_world).getPaint();
paint.getTextBounds(text, 0, text.length(), bounds);
int width = bounds.width();
方法3:
[java]
view plain copyPaint pFont = new Paint();
Rect rect = new Rect();
pFont.getTextBounds("豆", 0, 1, rect);
Log.v(TAG, "height:"+rect.height()+"width:"+rect.width());
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