相册选取图片插入到EditText中，实现图文混排

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1.首先用到了 ImagePicker，上github搜索仿微信图片选择就能找到

2.导入ImagePicker的包 compile 'com.squareup.picasso:picasso:2.5.2'

3.我是用是picasso加载图片，github上imagePicker的demo里分别使用了三种加载图片的第三方，glide,picasso,imageload,我使用的picasso

compile 'com.squareup.picasso:picasso:2.5.2'4.在application初始化ImagePicker imagePicker = ImagePicker.getInstance();imagePicker.setImageLoader(new PicassoImageLoader());   //设置图片加载器imagePicker.setShowCamera(true);  //显示拍照按钮imagePicker.setCrop(true);        //允许裁剪（单选才有效）imagePicker.setSaveRectangle(true); //是否按矩形区域保存imagePicker.setSelectLimit(9);    //选中数量限制imagePicker.setStyle(CropImageView.Style.RECTANGLE);  //裁剪框的形状imagePicker.setFocusWidth(800);   //裁剪框的宽度。单位像素（圆形自动取宽高最小值）imagePicker.setFocusHeight(800);  //裁剪框的高度。单位像素（圆形自动取宽高最小值）imagePicker.setOutPutX(1000);//保存文件的宽度。单位像素imagePicker.setOutPutY(1000);//保存文件的高度。单位像素

创建PicassoImageLoader，下面会用到
继承ImageLoader
@Overridepublic void displayImage(Activity activity, String path, ImageView imageView, int width, int height) {    Picasso.with(activity)            .load(Uri.fromFile(new File(path)))            .placeholder(R.mipmap.default_image)            .error(R.mipmap.default_image)            .resize(width, height)            .centerInside()            .memoryPolicy(MemoryPolicy.NO_CACHE, MemoryPolicy.NO_STORE)            .into(imageView);}@Overridepublic void clearMemoryCache() {    //这里是清除缓存的方法,根据需要自己实现}6.在Activity中editText = (EditText) findViewById(R.id.edit);gridView = (GridView) findViewById(R.id.grid);
imagePicker = ImagePicker.getInstance();imagePicker.setImageLoader(new PicassoImageLoader());

制造点击事件跳转，ImageGridActivity这个类是导入的PmagePicker的包里面封装好的，能跳转到相册实现多张图片选取

public void BtIntent(View v) {    Intent intent = new Intent(this, ImageGridActivity.class);    startActivityForResult(intent, 0);}

//重写onActivityResult方法
@Overrideprotected void onActivityResult(int requestCode, int resultCode, Intent data) {    super.onActivityResult(requestCode, resultCode, data);    if (resultCode == ImagePicker.RESULT_CODE_ITEMS) {        if (data != null && requestCode == 0) {            ArrayList<ImageItem> images = (ArrayList<ImageItem>) data.getSerializableExtra(ImagePicker.EXTRA_RESULT_ITEMS);            //可以用gridView展示选择的图片            // MyAdapter adapter = new MyAdapter(images,MainActivity.this);            //gridView.setAdapter(adapter);           for (int i = 0; i < images.size(); i++) {                //循环拿到路径               String path = images.get(i).path;                insertEdit(path);            }        } else {            Toast.makeText(this, "没有数据", Toast.LENGTH_SHORT).show();        }    }}


//实现图片插入到EditeText中
public void insertEdit(String path) {        Bitmap loadedImage = BitmapFactory.decodeFile(path);        loadedImage = Bitmap.createBitmap(loadedImage, 0, 0, loadedImage.getWidth(), loadedImage.getHeight(), new Matrix(), true);        ImageSpan imageSpan = new ImageSpan(MainActivity.this, loadedImage);        SpannableString spannableString = new SpannableString(path);        spannableString.setSpan(imageSpan, 0, path.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);// 将选择的图片追加到EditText中光标所在位置        int index = editText.getSelectionStart();// 获取光标所在位置        Editable edit_text = editText.getEditableText();        if (index < 0 || index >= edit_text.length()) {            edit_text.append(spannableString);        } else {            edit_text.insert(index, spannableString);        }    }

7.别忘了添加权限
<uses-permission android:name="android.permission.CAMERA" />

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