Android微信SDK实现分享
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2024-02-25 22:57:51
用微信提供的sdk来实现分享:
从下载android相关的jar包,将libammsdk.jar加入到项目中。
微信分享的核心类,部分代码如下:
wechatshar...
用微信提供的sdk来实现分享:
从下载android相关的jar包,将libammsdk.jar加入到项目中。
微信分享的核心类,部分代码如下:
wechatsharemanager.java
package com.jackie.umeng.share; import android.content.context; import android.graphics.bitmap; import android.graphics.bitmapfactory; import android.util.log; import android.widget.toast; import com.tencent.mm.sdk.modelmsg.sendmessagetowx; import com.tencent.mm.sdk.modelmsg.wximageobject; import com.tencent.mm.sdk.modelmsg.wxmediamessage; import com.tencent.mm.sdk.modelmsg.wxtextobject; import com.tencent.mm.sdk.modelmsg.wxvideoobject; import com.tencent.mm.sdk.modelmsg.wxwebpageobject; import com.tencent.mm.sdk.openapi.iwxapi; import com.tencent.mm.sdk.openapi.wxapifactory; /** * 实现微信分享功能的核心类 * @author chengcj1 * */ public class wechatsharemanager { private static final int thumb_size = 150; public static final int wechat_share_way_text = 1; //文字 public static final int wechat_share_way_picture = 2; //图片 public static final int wechat_share_way_webpage = 3; //链接 public static final int wechat_share_way_video = 4; //视频 public static final int wechat_share_type_talk = sendmessagetowx.req.wxscenesession; //会话 public static final int wechat_share_type_frends = sendmessagetowx.req.wxscenetimeline; //朋友圈 private static wechatsharemanager minstance; private sharecontent msharecontenttext, msharecontentpicture, msharecontentwebpag, msharecontentvideo; private iwxapi mwxapi; private context mcontext; private wechatsharemanager(context context){ this.mcontext = context; //初始化数据 //初始化微信分享代码 initwechatshare(context); } /** * 获取weixinsharemanager实例 * 非线程安全,请在ui线程中操作 * @return */ public static wechatsharemanager getinstance(context context){ if(minstance == null){ minstance = new wechatsharemanager(context); } return minstance; } private void initwechatshare(context context){ if (mwxapi == null) { mwxapi = wxapifactory.createwxapi(context, wechatshareutil.wechat_app_id, true); } mwxapi.registerapp(wechatshareutil.wechat_app_id); } /** * 通过微信分享 * @param shareway 分享的方式(文本、图片、链接) * @param sharetype 分享的类型(朋友圈,会话) */ public void sharebywebchat(sharecontent sharecontent, int sharetype){ switch (sharecontent.getshareway()) { case wechat_share_way_text: sharetext(sharecontent, sharetype); break; case wechat_share_way_picture: sharepicture(sharecontent, sharetype); break; case wechat_share_way_webpage: sharewebpage(sharecontent, sharetype); break; case wechat_share_way_video: sharevideo(sharecontent, sharetype); break; } } private abstract class sharecontent { protected abstract int getshareway(); protected abstract string getcontent(); protected abstract string gettitle(); protected abstract string geturl(); protected abstract int getpictureresource(); } /** * 设置分享文字的内容 * @author chengcj1 * */ public class sharecontenttext extends sharecontent { private string content; /** * 构造分享文字类 * @param text 分享的文字内容 */ public sharecontenttext(string content){ this.content = content; } @override protected int getshareway() { return wechat_share_way_text; } @override protected string getcontent() { return content; } @override protected string gettitle() { return null; } @override protected string geturl() { return null; } @override protected int getpictureresource() { return -1; } } /* * 获取文本分享对象 */ public sharecontent getsharecontenttext(string content) { if (msharecontenttext == null) { msharecontenttext = new sharecontenttext(content); } return (sharecontenttext) msharecontenttext; } /** * 设置分享图片的内容 * @author chengcj1 * */ public class sharecontentpicture extends sharecontent { private int pictureresource; public sharecontentpicture(int pictureresource){ this.pictureresource = pictureresource; } @override protected int getshareway() { return wechat_share_way_picture; } @override protected int getpictureresource() { return pictureresource; } @override protected string getcontent() { return null; } @override protected string gettitle() { return null; } @override protected string geturl() { return null; } } /* * 获取图片分享对象 */ public sharecontent getsharecontentpicture(int pictureresource) { if (msharecontentpicture == null) { msharecontentpicture = new sharecontentpicture(pictureresource); } return (sharecontentpicture) msharecontentpicture; } /** * 设置分享链接的内容 * @author chengcj1 * */ public class sharecontentwebpage extends sharecontent { private string title; private string content; private string url; private int pictureresource; public sharecontentwebpage(string title, string content, string url, int pictureresource){ this.title = title; this.content = content; this.url = url; this.pictureresource = pictureresource; } @override protected int getshareway() { return wechat_share_way_webpage; } @override protected string getcontent() { return content; } @override protected string gettitle() { return title; } @override protected string geturl() { return url; } @override protected int getpictureresource() { return pictureresource; } } /* * 获取网页分享对象 */ public sharecontent getsharecontentwebpag(string title, string content, string url, int pictureresource) { if (msharecontentwebpag == null) { msharecontentwebpag = new sharecontentwebpage(title, content, url, pictureresource); } return (sharecontentwebpage) msharecontentwebpag; } /** * 设置分享视频的内容 * @author chengcj1 * */ public class sharecontentvideo extends sharecontent { private string url; public sharecontentvideo(string url) { this.url = url; } @override protected int getshareway() { return wechat_share_way_video; } @override protected string getcontent() { return null; } @override protected string gettitle() { return null; } @override protected string geturl() { return url; } @override protected int getpictureresource() { return -1; } } /* * 获取视频分享内容 */ public sharecontent getsharecontentvideo(string url) { if (msharecontentvideo == null) { msharecontentvideo = new sharecontentvideo(url); } return (sharecontentvideo) msharecontentvideo; } /* * 分享文字 */ private void sharetext(sharecontent sharecontent, int sharetype) { string text = sharecontent.getcontent(); //初始化一个wxtextobject对象 wxtextobject textobj = new wxtextobject(); textobj.text = text; //用wxtextobject对象初始化一个wxmediamessage对象 wxmediamessage msg = new wxmediamessage(); msg.mediaobject = textobj; msg.description = text; //构造一个req sendmessagetowx.req req = new sendmessagetowx.req(); //transaction字段用于唯一标识一个请求 req.transaction = buildtransaction("textshare"); req.message = msg; //发送的目标场景, 可以选择发送到会话 wxscenesession 或者朋友圈 wxscenetimeline。 默认发送到会话。 req.scene = sharetype; mwxapi.sendreq(req); } /* * 分享图片 */ private void sharepicture(sharecontent sharecontent, int sharetype) { bitmap bitmap = bitmapfactory.decoderesource(mcontext.getresources(), sharecontent.getpictureresource()); wximageobject imgobj = new wximageobject(bitmap); wxmediamessage msg = new wxmediamessage(); msg.mediaobject = imgobj; bitmap thumbbitmap = bitmap.createscaledbitmap(bitmap, thumb_size, thumb_size, true); bitmap.recycle(); msg.thumbdata = util.bmptobytearray(thumbbitmap, true); //设置缩略图 sendmessagetowx.req req = new sendmessagetowx.req(); req.transaction = buildtransaction("imgshareappdata"); req.message = msg; req.scene = sharetype; mwxapi.sendreq(req); } /* * 分享链接 */ private void sharewebpage(sharecontent sharecontent, int sharetype) { wxwebpageobject webpage = new wxwebpageobject(); webpage.webpageurl = sharecontent.geturl(); wxmediamessage msg = new wxmediamessage(webpage); msg.title = sharecontent.gettitle(); msg.description = sharecontent.getcontent(); bitmap thumb = bitmapfactory.decoderesource(mcontext.getresources(), sharecontent.getpictureresource()); if(thumb == null) { toast.maketext(mcontext, "图片不能为空", toast.length_short).show(); } else { msg.thumbdata = util.bmptobytearray(thumb, true); } sendmessagetowx.req req = new sendmessagetowx.req(); req.transaction = buildtransaction("webpage"); req.message = msg; req.scene = sharetype; mwxapi.sendreq(req); } /* * 分享视频 */ private void sharevideo(sharecontent sharecontent, int sharetype) { wxvideoobject video = new wxvideoobject(); video.videourl = sharecontent.geturl(); wxmediamessage msg = new wxmediamessage(video); msg.title = sharecontent.gettitle(); msg.description = sharecontent.getcontent(); bitmap thumb = bitmapfactory.decoderesource(mcontext.getresources(), r.drawable.send_music_thumb); // bitmapfactory.decodestream(new url(video.videourl).openstream()); /** * 测试过程中会出现这种情况,会有个别手机会出现调不起微信客户端的情况。造成这种情况的原因是微信对缩略图的大小、title、description等参数的大小做了限制,所以有可能是大小超过了默认的范围。 * 一般情况下缩略图超出比较常见。title、description都是文本,一般不会超过。 */ bitmap thumbbitmap = bitmap.createscaledbitmap(thumb, thumb_size, thumb_size, true); thumb.recycle(); msg.thumbdata = util.bmptobytearray(thumbbitmap, true); sendmessagetowx.req req = new sendmessagetowx.req(); req.transaction = buildtransaction("video"); req.message = msg; req.scene = sharetype; mwxapi.sendreq(req); } private string buildtransaction(final string type) { return (type == null) ? string.valueof(system.currenttimemillis()) : type + system.currenttimemillis(); } }
mainactivity.java
package com.jackie.umeng.share; import com.jackie.umeng.share.wechatsharemanager.sharecontentpicture; import com.jackie.umeng.share.wechatsharemanager.sharecontenttext; import com.jackie.umeng.share.wechatsharemanager.sharecontentvideo; import android.app.activity; import android.content.context; import android.content.pm.packagemanager; import android.os.bundle; import android.view.view; import android.view.view.onclicklistener; import android.widget.button; import android.widget.toast; public class mainactivity extends activity implements onclicklistener { private button msharetext, msharepicture, msharevideo; private wechatsharemanager msharemanager; private context mcontext; @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); msharetext = (button) findviewbyid(r.id.share_text); msharepicture = (button) findviewbyid(r.id.share_picture); msharevideo = (button) findviewbyid(r.id.share_video); msharetext.setonclicklistener(this); msharepicture.setonclicklistener(this); msharevideo.setonclicklistener(this); mcontext = this; msharemanager = wechatsharemanager.getinstance(mcontext); } @override public void onclick(view v) { if (!iswebchatavaliable()) { toast.maketext(mcontext, "请先安装微信", toast.length_long).show(); return; } switch (v.getid()) { case r.id.share_text: sharecontenttext msharecontenttext = (sharecontenttext) msharemanager.getsharecontenttext("微信文本分享"); msharemanager.sharebywebchat(msharecontenttext, wechatsharemanager.wechat_share_type_frends); break; case r.id.share_picture: sharecontentpicture msharecontentpicture = (sharecontentpicture) msharemanager.getsharecontentpicture(r.drawable.share); msharemanager.sharebywebchat(msharecontentpicture, wechatsharemanager.wechat_share_type_frends); break; case r.id.share_video: sharecontentvideo msharecontentvideo = (sharecontentvideo) msharemanager.getsharecontentvideo("http://baidu.hz.letv.com/kan/agslt?fr=v.baidu.com/"); msharemanager.sharebywebchat(msharecontentvideo, wechatsharemanager.wechat_share_type_frends); break; default: break; } } private boolean iswebchatavaliable() { //检测手机上是否安装了微信 try { getpackagemanager().getpackageinfo("com.tencent.mm", packagemanager.get_activities); return true; } catch (exception e) { return false; } } }
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