Android——intent分享图片到微信好友、朋友圈、QQ

直接上代码，工具类

import android.content.ComponentName;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.provider.MediaStore;
import android.util.Log;
import android.widget.Toast;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;

public class WechatShareUtil {

    /**
     * 分享多图片到QQ
     */
    public static void sharePicToQQNoSDK(Context context, List<String> paths) {
        if (isInstallQQ(context)) {

            Intent shareIntent = new Intent();
            shareIntent.setAction(Intent.ACTION_SEND_MULTIPLE);
            shareIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            shareIntent.setType("image/*");
            // 遍历所有支持发送图片的应用。找到需要的应用
            ComponentName componentName = new ComponentName("com.tencent.mobileqq", "com.tencent.mobileqq.activity.JumpActivity");
            shareIntent.setComponent(componentName);

            ArrayList<Uri> imageList = new ArrayList<>();

            for (String picPath : paths) {
                Log.e("backinfo", picPath);
                File file = new File(picPath);
                if (file.exists()){
                    Uri uri = null;
                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                        try {
                            uri = Uri.parse(MediaStore.Images.Media.insertImage(context.getContentResolver(), file.getAbsolutePath(), file.getName(), null));
                        } catch (FileNotFoundException e) {
                            Toast.makeText(context,"图片不存在", Toast.LENGTH_SHORT).show();
                            e.printStackTrace();
                        }
                    } else {
                        uri = Uri.fromFile(file);
                    }
                    imageList.add(uri);
                }
            }

            if(imageList.size() == 0){
                Toast.makeText(context,"图片不存在", Toast.LENGTH_SHORT).show();
                return;
            }

            shareIntent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, imageList);
            context.startActivity(Intent.createChooser(shareIntent, "Share"));
        }
    }

    /**
     * 分享单图片到朋友圈
     * @param context
     * @param imagePath
     */
    public static void sharePicsToWXFriendCircle(Context context, String imagePath) {
        if (!isInstallWeChart(context)) {
            Toast.makeText(context,"您没有安装微信", Toast.LENGTH_SHORT).show();
            return;
        }

        Intent intent = new Intent();
        intent.setComponent(new ComponentName("com.tencent.mm", "com.tencent.mm.ui.tools.ShareToTimeLineUI"));
        intent.setAction(Intent.ACTION_SEND);

        File f = new File(imagePath);
        Uri uri = null;
        if (f.exists()){
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                uri = getImageContentUri(context, f);
            } else {
                uri = Uri.fromFile(f);
            }
        }else {
            Toast.makeText(context,"图片不存在", Toast.LENGTH_SHORT).show();
            return;
        }

        intent.setType("image/*");
        intent.putExtra(Intent.EXTRA_STREAM, uri); //图片数据（支持本地图片的Uri形式）
        intent.putExtra("Kdescription", ""); //微信分享页面，图片上边的描述
        context.startActivity(intent);
    }

    /**
     * 唤醒微信
     * @param context
     */
    public static void startWechat(Context context){
        Intent intent = new Intent(Intent.ACTION_MAIN);
        ComponentName cmp = new ComponentName("com.tencent.mm","com.tencent.mm.ui.LauncherUI");
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        intent.setComponent(cmp);
        context.startActivity(intent);
    }

    /**
     * 分享图片给好友（多图片）
     * @param context
     * @param paths
     */
    public static void sharePicToWechatNoSDK(Context context, List<String> paths) {

        if(!isInstallWeChart(context)){
            Toast.makeText(context,"您没有安装微信", Toast.LENGTH_SHORT).show();
            return;
        }

        Intent intent = new Intent();
        ComponentName comp = new ComponentName("com.tencent.mm","com.tencent.mm.ui.tools.ShareImgUI");

        intent.setComponent(comp);
        intent.setAction(Intent.ACTION_SEND_MULTIPLE);
        intent.setType("image/*");

        ArrayList<Uri> imageList = new ArrayList<>();

        for (String picPath : paths) {
            File file = new File(picPath);
            if (file.exists()){
                Uri uri = null;
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                    try {
                        uri = Uri.parse(MediaStore.Images.Media.insertImage(context.getContentResolver(), file.getAbsolutePath(), file.getName(), null));
                    } catch (FileNotFoundException e) {
                        Toast.makeText(context,"图片不存在", Toast.LENGTH_SHORT).show();
                        e.printStackTrace();
                    }
                } else {
                    uri = Uri.fromFile(file);
                }
                imageList.add(uri);
            }
        }

        if(imageList.size() == 0){
            Toast.makeText(context,"图片不存在", Toast.LENGTH_SHORT).show();
            return;
        }
        intent.putParcelableArrayListExtra(Intent.EXTRA_STREAM, imageList); //图片数据（支持本地图片的Uri形式）

        context.startActivity(intent);
    }

    /**
     * 获取分享到微信朋友圈的uri格式
     * @param context
     * @param imageFile
     * @return
     */
    public static Uri getImageContentUri(Context context, File imageFile) {

        String filePath = imageFile.getAbsolutePath();
        Cursor cursor = context.getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
                new String[]{MediaStore.Images.Media._ID}, MediaStore.Images.Media.DATA +"=? ",
                new String[]{filePath}, null);

        Uri uri =null;

        if (cursor !=null) {
            if (cursor.moveToFirst()) {
                int id = cursor.getInt(cursor.getColumnIndex(MediaStore.MediaColumns._ID));
                Uri baseUri = Uri.parse("content://media/external/images/media");
                uri = Uri.withAppendedPath(baseUri, "" + id);
            }
            cursor.close();
        }

        if (uri ==null) {
            ContentValues values = new ContentValues();
            values.put(MediaStore.Images.Media.DATA, filePath);
            uri = context.getContentResolver().insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
        }
        return uri;
    }

    /**检查是否安装微信
     * @param context
     * @return
     */
    private static boolean isInstallWeChart(Context context){

        PackageInfo packageInfo = null;

        try {
            packageInfo = context.getPackageManager().getPackageInfo("com.tencent.mm", 0);
        } catch (Exception e) {
            packageInfo = null;
            e.printStackTrace();
        }

        if (packageInfo == null) {
            return false;
        } else {
            return true;
        }
    }

    /**检查是否安装QQ
     * @param context
     * @return
     */
    private static boolean isInstallQQ(Context context){

        PackageInfo packageInfo = null;

        try {
            packageInfo = context.getPackageManager().getPackageInfo("com.tencent.mobileqq", 0);
        } catch (Exception e) {
            packageInfo = null;
            e.printStackTrace();
        }

        if (packageInfo == null) {
            return false;
        } else {
            return true;
        }
    }
}

FileDownloader 递归多文件下载

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.util.Log;

import com.liulishuo.filedownloader.BaseDownloadTask;
import com.liulishuo.filedownloader.FileDownloadSampleListener;
import com.liulishuo.filedownloader.FileDownloader;
import com.weipai.dialog.LoadingDialog;
import com.weipai.main.contact.Contact;

import java.io.File;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

public class DownloadFileUtil {

    private Context context;
    private String path;
    private boolean isShowLoading = true;
    private List<String> pathList;
    private List<String> netUrlList;
    private OnFilesDownloadListener listener;
    //private LoadingDialog dialog;

    public static DownloadFileUtil init(Context context, String path) {
        return new DownloadFileUtil(context, path);
    }

    private DownloadFileUtil(Context context, String path) {
        this.context = context;
        this.path = path;
        pathList = new ArrayList<>();
        netUrlList = new ArrayList<>();
    }

    public DownloadFileUtil setOnFilesDownloadListener(OnFilesDownloadListener listener){
        this.listener = listener;
        return this;
    }

    private int fileCount = 0;
    private OnSingleFileDownloadListener l = new OnSingleFileDownloadListener() {
        @Override
        public void onCompleted(String path) {
            ++fileCount;
            pathList.add(path);
            if (fileCount == netUrlList.size()){
                //dialog.dismiss();
                if (listener != null) listener.onCompleted(pathList);
            }else {
                downloadFile(netUrlList.get(fileCount), l);
            }
        }
    };

    /**
     * 递归下载多文件
     * @param urls
     */
    public void downloadFiles(final List<String> urls){
        netUrlList.clear();
        netUrlList.addAll(urls);
        if (netUrlList.size() > 0) {
            //dialog = new LoadingDialog(context);
            //dialog.show();
            downloadFile(urls.get(0), l);
        }
    }

    /**
     * 单文件下载
     * @param url
     * @param listener
     */
    public void downloadFile(String url, final OnSingleFileDownloadListener listener) {
        Log.e("backinfo", "downloadFile " + fileCount);
        Log.e("backinfo", "downloadFile url" + url);
        Log.e("backinfo", "downloadFile path" + path);
        String fileName = new Date().getTime() + ".jpg";
        /*if (fileName.isEmpty()) {
            if (fileCount == netUrlList.size() - 1) dialog.dismiss();
            return;
        }*/
        FileDownloader.getImpl().create(url)
                .setPath(path + fileName, false)
                .setCallbackProgressTimes(300)
                .setMinIntervalUpdateSpeed(400)
                .setAutoRetryTimes(3)
                .setListener(new FileDownloadSampleListener() {
                    @Override
                    protected void pending(BaseDownloadTask task, int soFarBytes, int totalBytes) {
                        Log.e("backinfo", ",soFarBytes:" + soFarBytes + ",totalBytes:" + totalBytes + ",percent:" + soFarBytes * 1.0 / totalBytes + ",speed:" + task.getSpeed());
                    }

                    @Override
                    protected void progress(BaseDownloadTask task, int soFarBytes, int totalBytes) {
                        Log.e("backinfo", ",soFarBytes:" + soFarBytes + ",totalBytes:" + totalBytes + ",percent:" + soFarBytes * 1.0 / totalBytes + ",speed:" + task.getSpeed());
                    }

                    @Override
                    protected void blockComplete(BaseDownloadTask task) {
                        Log.e("backinfo", "blockComplete ");
                    }

                    @Override
                    protected void completed(BaseDownloadTask task) {
                        //  VideoPlayerManager.instance().resumeVideoPlayer();
                        File file = new File(task.getTargetFilePath());
                        Log.e("backinfo",  "completed " + task.getTargetFilePath());
                        if (file.exists()) {
                            Uri localUri = Uri.fromFile(file);
                            Intent localIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, localUri);
                            context.sendBroadcast(localIntent);
                            listener.onCompleted(file.getAbsolutePath());
                        }
                    }

                    @Override
                    protected void paused(BaseDownloadTask task, int soFarBytes, int totalBytes) {
                        Log.e("backinfo", "paused ");
                    }

                    @Override
                    protected void error(BaseDownloadTask task, Throwable e) {
                        Log.e("backinfo", "error " + e.getLocalizedMessage());
                    }

                    @Override
                    protected void warn(BaseDownloadTask task) {
                        Log.e("backinfo", "warn ");
                    }
                }).start();
    }



    private interface OnSingleFileDownloadListener{
        void onCompleted(String path);
    }

    public interface OnFilesDownloadListener{
        void onCompleted(List<String> pathList);
    }

    /** 获取文件后缀 */
    public String getFileExtension(String url) {
        int i = url.lastIndexOf('.');
        if (i > 0 && i < url.length() - 1) {
            return url.substring(i + 1).toLowerCase();
        }
        return "";
    }
}

使用例：

DownloadFileUtil.init(context,  "/sdcard/DCIM/Camera/")
               .setOnFilesDownloadListener(new DownloadFileUtil.OnFilesDownloadListener() {
                @Override
                    public void onCompleted(List<String> pathList) {
                        WechatShareUtil.sharePicToQQNoSDK(context, pathList);
                    }
                }).downloadFiles(urls);

 

本文地址：https://blog.csdn.net/qq_15710245/article/details/107185841