自定义带有删除功能的edittext实例，在登录，搜索等地方经常用到可以直接用

朱雀 2022-08-07 12:52 32阅读 0赞

package com.sunday.customs;
    
    
    import com.example.customs.R;
    
    import android.content.Context;
    import android.graphics.Rect;
    import android.graphics.drawable.Drawable;
    import android.text.Editable;
    import android.text.TextWatcher;
    import android.util.AttributeSet;
    import android.util.Log;
    import android.view.MotionEvent;
    import android.widget.EditText;
    
    /**
     * @author sunday
     * 2013-12-04
     */
    public class EditTextWithDel extends EditText {
        
        private final static String TAG = "EditTextWithDel";
        private Drawable imgInable;
        private Drawable imgAble;
        private Context mContext;
    
        public EditTextWithDel(Context context) {
            super(context);
            mContext = context;
            init();
        }
    
        public EditTextWithDel(Context context, AttributeSet attrs, int defStyle) {
            super(context, attrs, defStyle);
            mContext = context;
            init();
        }
    
        public EditTextWithDel(Context context, AttributeSet attrs) {
            super(context, attrs);
            mContext = context;
            init();
        }
    
        private void init() {
            imgInable = mContext.getResources().getDrawable(R.drawable.delete_gray);
            imgAble = mContext.getResources().getDrawable(R.drawable.delete);
            addTextChangedListener(new TextWatcher() {
                @Override
                public void onTextChanged(CharSequence s, int start, int before, int count) {}
                @Override
                public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
                @Override
                public void afterTextChanged(Editable s) {
                    setDrawable();
                }
            });
            setDrawable();
        }
    
        //设置删除图片
        private void setDrawable() {
            if(length() < 1)
                setCompoundDrawablesWithIntrinsicBounds(null, null, imgInable, null);
            else
                setCompoundDrawablesWithIntrinsicBounds(null, null, imgAble, null);
        }
    
         // 处理删除事件
        @Override
        public boolean onTouchEvent(MotionEvent event) {
            if (imgAble != null && event.getAction() == MotionEvent.ACTION_UP) {
                int eventX = (int) event.getRawX();
                int eventY = (int) event.getRawY();
                Log.e(TAG, "eventX = " + eventX + "; eventY = " + eventY);
                Rect rect = new Rect();
                getGlobalVisibleRect(rect);
                rect.left = rect.right - 50;
                if(rect.contains(eventX, eventY)) 
                    setText("");
            }
            return super.onTouchEvent(event);
        }
    
        @Override
        protected void finalize() throws Throwable {
            super.finalize();
        }
    
    }

![这里写图片描述][20150410195111179]

[20150410195111179]: /images/20220805/98eb4ef7026c4feea9d9b8900c365b18.png