最近做通讯录小屏机 联系人姓名显示--长度超过边界字体变小
public class AutoFitTextView extends TextView {
private Paint mTextPaint;
private float mTextSize;
public AutoFitTextView(Context context) {
super(context);
}
public AutoFitTextView(Context context, AttributeSet attrs) {
super(context, attrs);
}
private void refitText(String text, int textViewWidth) {
if (text == null || textViewWidth <= 0)
return;
mTextPaint = new Paint();
mTextPaint.set(this.getPaint());
int availableTextViewWidth = getWidth() - getPaddingLeft() - getPaddingRight();
float[] charsWidthArr = new float[text.length()];
Rect boundsRect = new Rect();
mTextPaint.getTextBounds(text, 0, text.length(), boundsRect);
int textWidth = boundsRect.width();
mTextSize = getTextSize();
while (textWidth > availableTextViewWidth) {
mTextSize -= 1;
mTextPaint.setTextSize(mTextSize);
textWidth = mTextPaint.getTextWidths(text, charsWidthArr);
}
this.setTextSize(TypedValue.COMPLEX_UNIT_PX, mTextSize);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
refitText(this.getText().toString(), this.getWidth());
}
}
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