TextView链接点击和长按冲突

 1.重写

复制代码
import android.text.Layout;
import android.text.Selection;
import android.text.Spannable;
import android.text.method.LinkMovementMethod;
import android.text.style.ClickableSpan;
import android.view.MotionEvent;
import android.widget.TextView;

/**
 * Created by Administrator on 2016/11/14.
 */
public class LinkMovementClickMethod extends LinkMovementMethod {
    private long lastClickTime;

    private static final long CLICK_DELAY = 500l;

    @Override
    public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
        int action = event.getAction();

        if (action == MotionEvent.ACTION_UP ||
                action == MotionEvent.ACTION_DOWN) {
            int x = (int) event.getX();
            int y = (int) event.getY();

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

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

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

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

            if (link.length != 0) {
                if (action == MotionEvent.ACTION_UP) {
                    if (System.currentTimeMillis() - lastClickTime < CLICK_DELAY) {
                        link[0].onClick(widget);
                    }
                } else if (action == MotionEvent.ACTION_DOWN) {
                    Selection.setSelection(buffer,
                            buffer.getSpanStart(link[0]),
                            buffer.getSpanEnd(link[0]));
                    lastClickTime = System.currentTimeMillis();
                }

                return true;
            } else {
                Selection.removeSelection(buffer);
            }
        }
        return super.onTouchEvent(widget, buffer, event);
    }

    public static LinkMovementClickMethod getInstance() {
        if (null == sInstance) {
            sInstance = new LinkMovementClickMethod();
        }
        return sInstance;
    }

    private static LinkMovementClickMethod sInstance;
}
复制代码

2.监听

view.setMovementMethod(new LinkMovementClickMethod());

简单说就是判断点击操作按下到放开所经历的时间长度

posted @   嘉禾世兴  阅读(1491)  评论(0编辑  收藏  举报
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