Android多图分享至微信

                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        ArrayList<File> files = new ArrayList<>();
                        for (int i=0;i<mPictures1.size();i++){
                            File file = Tools.saveImageToSdCard(getActivity(), mPictures1.get(i));
                            files.add(file);
                        }
                        //分享的图片集合
                        ArrayList<Uri> imageUris = new ArrayList<Uri>();
                        for (File f : files) {
                            imageUris.add(Uri.fromFile(f));
                        }
                        File file = Tools.saveImageToSdCard(getActivity(), share.getShareUrl());
                        imageUris.add(Uri.fromFile(file));
                        Log.d("imageUris===","    "+imageUris);
                        //分享到微信好友
                        Intent intent = new Intent();
                        ComponentName componentName = new ComponentName("com.tencent.mm", "com.tencent.mm.ui.tools.ShareImgUI");
                        if (imageUris.size() == 0) return;
                        intent.setComponent(componentName);
                        intent.setAction(Intent.ACTION_SEND_MULTIPLE);
                        intent.setType("image/*");
                        intent.putExtra(Intent.EXTRA_STREAM, imageUris);
                        startActivity(intent);
                        ToastUtils.showShort("文案已复制");
                    }
                }).start();

Tools工具类如下：

package com.live.shoplib.ui.add_shop;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Environment;
import android.util.Log;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Calendar;
import java.util.List;

/**
 * Created by zyq on 2020/2/26.
 */
public class Tools {

    public static String IMAGE_NAME = "iv_share_";
    public static int  i = 0;

    //根据网络图片url路径保存到本地
    public static final File saveImageToSdCard(Context context, String image) {
        boolean success = false;
        File file = null;
        try {
            file = createStableImageFile(context);

            Bitmap bitmap = null;
            URL url = new URL(image);
            HttpURLConnection conn = null;
            conn = (HttpURLConnection) url.openConnection();
            InputStream is = null;
            is = conn.getInputStream();
            bitmap =  BitmapFactory.decodeStream(is);

            FileOutputStream outStream;

            outStream = new FileOutputStream(file);
            bitmap.compress(Bitmap.CompressFormat.PNG, 100, outStream);
            outStream.flush();
            outStream.close();
            success = true;
        } catch (Exception e) {
            e.printStackTrace();
        }

        if (success) {
            Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);

            Uri contentUri = Uri.fromFile(file);

            mediaScanIntent.setData(contentUri);

            context.sendBroadcast(mediaScanIntent);
            return file;
        } else {
            return null;
        }
    }

    //创建本地保存路径
    public static File createStableImageFile(Context context) throws IOException {
        i++;
        String imageFileName =IMAGE_NAME + Calendar.getInstance().getTimeInMillis() + ".jpg";
        File storageDir = new File(Environment.getExternalStorageDirectory(),
                "DCIM");
//        File storageDir = new File(context.getExternalCacheDir() + "shareImg");
//        File storageDir = new File(Environment.getExternalStorageDirectory() + "/");
        Log.i("info","=======保存路径====" + storageDir.getAbsolutePath());
        if (!storageDir.exists()){
            storageDir.mkdirs();
        }
        File image = new File(storageDir, imageFileName);
        return image;
    }

    //判断是否安装了微信,QQ,QQ空间
    public static boolean isAppAvilible(Context context,String mType) {
        final PackageManager packageManager = context.getPackageManager();// 获取packagemanager
        List<PackageInfo> pinfo = packageManager.getInstalledPackages(0);// 获取所有已安装程序的包信息
        if (pinfo != null) {
            for (int i = 0; i < pinfo.size(); i++) {
                String pn = pinfo.get(i).packageName;
                if (pn.equals(mType)) {
                    return true;
                }
            }
        }
        return false;
    }

    public static void deletePic(File file){
        if (file.isDirectory()){
            File[] files = file.listFiles();

            for (int j = 0; j < files.length; j++) {
                File f = files[j];
                deletePic(f);
            }

//            file.delete();//如要保留文件夹，只删除文件，请注释这行
        }else{
            file.delete();
        }

    }
}

网络图片缓存到本地路径，然后转成uri集合，通过intent发送出去。代码如上