Android 设置DrawableRight和DrawableLeft 点击事件

<span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);"></span><pre name="code" class="java">package com.ulucu.xview;

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.EditText;

/**
 * Created by lbin on 2015/12/9.
 */
public class XEditText extends EditText {

    private DrawableLeftListener mLeftListener ;
    private DrawableRightListener mRightListener ;

    final int DRAWABLE_LEFT = 0;
    final int DRAWABLE_TOP = 1;
    final int DRAWABLE_RIGHT = 2;
    final int DRAWABLE_BOTTOM = 3;

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

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


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

    public void setDrawableLeftListener(DrawableLeftListener listener) {
        this.mLeftListener = listener;
    }

    public void setDrawableRightListener(DrawableRightListener listener) {
        this.mRightListener = listener;
    }

    public interface DrawableLeftListener {
        public void onDrawableLeftClick(View view) ;
    }

    public interface DrawableRightListener {
        public void onDrawableRightClick(View view) ;
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_UP:
                if (mRightListener != null) {
                    Drawable drawableRight = getCompoundDrawables()[DRAWABLE_RIGHT] ;
                    if (drawableRight != null && event.getRawX() >= (getRight() - drawableRight.getBounds().width())) {
                        mRightListener.onDrawableRightClick(this) ;
                        return true ;
                    }
                }

                if (mLeftListener != null) {
                    Drawable drawableLeft = getCompoundDrawables()[DRAWABLE_LEFT] ;
                    if (drawableLeft != null && event.getRawX() <= (getLeft() + drawableLeft.getBounds().width())) {
                        mLeftListener.onDrawableLeftClick(this) ;
                        return true ;
                    }
                }
                break;
        }

        return super.onTouchEvent(event);
    }
}

<span style="font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">然后可以写一个自定义监听类。</span>

private class DrawableRightClickListener implements XEditText.DrawableRightListener {


        @Override
        public void onDrawableRightClick(View view) {
            if (!mIsShow) {
                network_password.setCompoundDrawablesWithIntrinsicBounds(R.mipmap.icon_password, 0, R.mipmap.btn_nosee, 0) ;
                network_password.setInputType(InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) ;
            } else {
                network_password.setCompoundDrawablesWithIntrinsicBounds(R.mipmap.icon_password, 0, R.mipmap.btn_see, 0) ;
                network_password.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD) ;
            }

            mIsShow = !mIsShow ;

        }
    }