Android(安卓)分享到其他app

首先介绍一下最简单最常用的分享方式，就是先获取系统里有分享功能的app列表，然后用intent传输一些值过去

下面是获取系统中可分享的app的代码

private List<ResolveInfo> activityList;

 private void init() {        PackageManager pm = mContext.getPackageManager();        Intent clipboardIntent = new Intent(Intent.ACTION_ALL_APPS);        clipboardIntent.setType("text/plain");               Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);        sharingIntent.setType("text/plain");        activityList = pm.queryIntentActivities(sharingIntent, 0);        if(activityList==null)return;        for (int i = 0; i < activityList.size(); i++) {            JLogUtils.i("Alex","可分享的app是"+activityList.get(i).activityInfo.packageName);        }    }

这样就获得了一个装有多个app调用的List

/**     * 显示可以用于分享的app的对话框列表     */    public void show() {        Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);        sharingIntent.setType("text/plain");        ShareIntentListAdapter objShareIntentListAdapter = new ShareIntentListAdapter((Activity) mContext, activityList.toArray());        AlertDialog.Builder builder = new AlertDialog.Builder(mContext);        builder.setTitle("Share your link");        builder.setAdapter(objShareIntentListAdapter, new DialogInterface.OnClickListener() {//建立一个listView状的弹出对话框            public void onClick(DialogInterface dialog, int item) {                JLogUtils.i("Alex", "点击了第" + item + "个");                ResolveInfo info = (ResolveInfo) activityList.get(item);                JLogUtils.i("Alex", "点击的项目是" + info.activityInfo.packageName + "  class是" + info.activityInfo.name);                // if email shared by user                if (info.activityInfo.packageName.contains("facebook")) {                    shareFacebook();//faceBook SDK有自己专门的分享方法                    return;                }                // start respective activity                Intent intent = new Intent(android.content.Intent.ACTION_SEND);                intent.setClassName(info.activityInfo.packageName, info.activityInfo.name);                intent.setType("text/plain");//除了facebook以外，其他的只发送文本，只把title和content发送出去                if (!TextUtils.isEmpty(title)) {                    JLogUtils.i("Alex", "title是" + title);                    intent.putExtra(android.content.Intent.EXTRA_SUBJECT, title);//把标题发过去                }                JLogUtils.i("Alex", "content是" + content);                intent.putExtra(android.content.Intent.EXTRA_TEXT, content);//把内容发过去                mContext.startActivity(intent);//这里有一个传来的环境变量            }// end onClick        });        AlertDialog alert = builder.create();        alert.setCancelable(true);        alert.setCanceledOnTouchOutside(true);        alert.show();    }

附适配器的写法

import android.app.Activity;import android.content.pm.ResolveInfo;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ArrayAdapter;import android.widget.ImageView;import android.widget.TextView;import com.imaginato.qravedconsumer.widget.CustomTextView;import com.qraved.app.R;public class ShareIntentListAdapter extends ArrayAdapter{    private final Activity context;    Object[] items;    public ShareIntentListAdapter(Activity context,Object[] items) {        super(context, R.layout.layout_shared, items);        this.context = context;        this.items = items;    }// end HomeListViewPrototype    class ShareHolder{        CustomTextView shareName;        ImageView imageShare;    }    @Override    public View getView(int position, View view, ViewGroup parent) {        ShareHolder hodler=null;        if(view==null){            LayoutInflater inflater = context.getLayoutInflater();            view=  inflater.inflate(R.layout.layout_shared, null, true);            hodler=new ShareHolder();            hodler.imageShare= (ImageView) view.findViewById(R.id.shareImage);            hodler.shareName= (CustomTextView) view.findViewById(R.id.shareName);            view.setTag(hodler);        }else{            hodler= (ShareHolder) view.getTag();        }        // set native name of App to share        hodler.shareName.setText(((ResolveInfo) items[position]).activityInfo.applicationInfo.loadLabel(context.getPackageManager()).toString());        // share native image of the App to share        hodler.imageShare.setImageDrawable(((ResolveInfo) items[position]).activityInfo.applicationInfo.loadIcon(context.getPackageManager()));        return view;    }// end getView}// end main onCreate

附，list单个布局的写法

<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:id="@+id/categoryCell"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:paddingTop="10dp"    android:paddingBottom="10dp"    android:paddingLeft="15dp"    android:paddingRight="15dp"    android:background="@android:color/white" >    <ImageView        android:id="@+id/shareImage"        android:layout_width="40dip"        android:layout_height="40dip"        android:layout_centerVertical="true"        />    <TextView        android:id="@+id/shareName"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_centerVertical="true"        android:layout_marginLeft="10dp"        android:layout_toRightOf="@+id/shareImage"        android:textAppearance="?android:attr/textAppearanceMedium"        android:textColor="@color/black666666"        imaginato:textFont="openSansBold"         /></RelativeLayout>

下面写一下facebookshare的方法

/**     * 配置要发到facebook的内容     */    private void shareFacebook() {        String link = webUrl;        String picture = (imageUrl == null ? "" : imageUrl);        String applicationname = mContext.getResources().getString(R.string.app_name);        JShareUtils.FacebookStoryEntity entity = new JShareUtils.FacebookStoryEntity();        JLogUtils.i("Alex","要分享到facebook的entity是"+entity);        entity.setLink(link);        entity.setApplicationName(applicationname);        entity.setDescription(facebookDesc);        entity.setName(title);        entity.setCaption("see now on Qraved");        if (imageUrl != null) {            entity.setPicture(picture);        }        JShareUtils.publishFacebookStoryByNativeApp((Activity) mContext, entity, shareHandler);    }

 public static void publishFacebookStoryByNativeApp(Activity activity, FacebookStoryEntity entity, Handler handler) {        if (activity == null || entity == null) {            callBackByHandler(handler, HANDLER_WHAT_FACEBOOK_ERROR_INIT, null);            return;        }        try {            String link = entity.getLink();            String applicationname = entity.getApplicationName();            String description = entity.getDescription();            String name = entity.getName();            String caption = entity.getCaption();            String picture = entity.getPicture();            try {                FacebookDialog.ShareDialogBuilder shareDialogBuilder = new FacebookDialog.ShareDialogBuilder(activity);//facebook sdk自己的类真的很好用                if (link != null) {                    shareDialogBuilder.setLink(link);                }                if (applicationname != null) {                    shareDialogBuilder.setApplicationName(applicationname);                }                if (description != null) {                    shareDialogBuilder.setDescription(description);                }                if (name != null) {                    shareDialogBuilder.setName(name);                }                if (caption != null) {                    shareDialogBuilder.setCaption(caption);                }                if (picture != null) {                    shareDialogBuilder.setPicture(picture);                }                if (shareDialogBuilder.canPresent()) {                    FacebookDialog shareDialog = shareDialogBuilder.build();                    shareDialog.present();                } else {                    callBackByHandler(handler, HANDLER_WHAT_FACEBOOK_ERROR_UNINSTALLED, null);                }            } catch (FacebookException ex) {                if (ex != null) {                    ex.printStackTrace();                }                callBackByHandler(handler, HANDLER_WHAT_FACEBOOK_ERROR_NOINTERNET, null);            }        } catch (Exception e) {            callBackByHandler(handler, HANDLER_WHAT_FACEBOOK_ERROR_NOINTERNET, null);        }    }

 public static class FacebookStoryEntity implements Serializable {        private static final long serialVersionUID = -1368296115091129534L;        private String link, applicationName, description, name, caption,                picture;        public String getLink() {            return link;        }        public void setLink(String link) {            this.link = link;        }        public String getApplicationName() {            return applicationName;        }        public void setApplicationName(String applicationName) {            this.applicationName = applicationName;        }        public String getDescription() {            return description;        }        public void setDescription(String description) {            this.description = description;        }        public String getName() {            return name;        }        public void setName(String name) {            this.name = name;        }        public String getCaption() {            return caption;        }        public void setCaption(String caption) {            this.caption = caption;        }        public String getPicture() {            return picture;        }        public void setPicture(String picture) {            this.picture = picture;        }          }

facebook的sdk

dependencies {    compile project(':libraries:facebook')  }

需要引入一个项目当库，facebook项目下载地址：http://download.csdn.net/detail/lvshaorong/9396080

ps：这个库同时也支持facebook的登录功能

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