TextView

ClickSpan 点击事件

-------------------------------------------------------------------------

-------------------------------------------------------------------------
SpannableStringBuilder likes = new SpannableStringBuilder();
span.setSpan(new ClickableSpan() {
@Override
public void onClick(View widget) {

}

@Override
public void updateDrawState(TextPaint ds) {
ds.setColor(getResources().getColor(R.color.color_57));
ds.setUnderlineText(false);
}
}, 0, span.length() - 2, SpannableString.SPAN_INCLUSIVE_EXCLUSIVE);
likes.append(span);
tvLike.setText(likes);
tvLike.setMovementMethod(LinkMovementMethod.getInstance());
-------------------------------------------------------------------------
package abc;

import android.content.Context;
import android.text.Layout;
import android.text.Spannable;
import android.text.TextUtils;
import android.text.style.ClickableSpan;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.TextView;

/**
* Created by AWei on 2015/4/13.
*
*/
public class SpannableTextView extends TextView {

public SpannableTextView(Context context) {
super(context);
}

public SpannableTextView(Context context, AttributeSet attrs) {
super(context, attrs);
}

public SpannableTextView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}

@Override
public boolean onTouchEvent(MotionEvent event) {
boolean result = super.onTouchEvent(event);

int x = (int) event.getX();
int y = (int) event.getY();

x -= getTotalPaddingLeft();
y -= getTotalPaddingTop();

x += getScrollX();
y += getScrollY();

Layout layout = getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);

CharSequence text = getText();
if (TextUtils.isEmpty(text) || !(text instanceof Spannable)) {
return result;
}

Spannable buffer = (Spannable) text;
ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);

if (link.length > 0) {
return true;
} else {
return false;
}
}
}

TypefaceSpan 字体

msp.setSpan(new TypefaceSpan("monospace"), 0, 2, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

AbsoluteSizeSpan 大小

msp.setSpan(new AbsoluteSizeSpan(20), 4, 6, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
msp.setSpan(new RelativeSizeSpan(0.5f), 8, 10, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

ForegroundColorSpan 颜色

msp.setSpan(new ForegroundColorSpan(Color.MAGENTA), 12, 15,Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

BackgroundColorSpan 背景色

msp.setSpan(new BackgroundColorSpan(Color.CYAN), 15, 18, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

StyleSpan 样式

msp.setSpan(new StyleSpan(android.graphics.Typeface.NORMAL), 18, 20, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); //正常
msp.setSpan(new StyleSpan(android.graphics.Typeface.BOLD), 20, 22, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); //粗体
msp.setSpan(new StyleSpan(android.graphics.Typeface.ITALIC), 22, 24, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); //斜体
msp.setSpan(new StyleSpan(android.graphics.Typeface.BOLD_ITALIC), 24, 27, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); //粗斜体