WechatApi.java
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package com.polysoft.nafmii.wechat;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.text.TextUtils;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.alibaba.fastjson.JSON;
import com.bumptech.glide.Glide;
import com.bumptech.glide.request.target.SimpleTarget;
import com.bumptech.glide.request.transition.Transition;
import com.polysoft.nafmii.utils.BitmapUtils;
import com.tencent.mm.opensdk.modelbase.BaseReq;
import com.tencent.mm.opensdk.modelmsg.SendAuth;
import com.tencent.mm.opensdk.modelmsg.SendMessageToWX;
import com.tencent.mm.opensdk.modelmsg.WXImageObject;
import com.tencent.mm.opensdk.modelmsg.WXMediaMessage;
import com.tencent.mm.opensdk.modelmsg.WXTextObject;
import com.tencent.mm.opensdk.modelmsg.WXWebpageObject;
import com.tencent.mm.opensdk.modelpay.PayReq;
import com.tencent.mm.opensdk.openapi.IWXAPI;
import com.tencent.mm.opensdk.openapi.IWXAPIEventHandler;
import com.tencent.mm.opensdk.openapi.WXAPIFactory;
import com.whaty.nafmii.BuildConfig;
import com.whaty.nafmii.R;
public class WechatApi {
private static WechatApi INSTANCE = null;
private final Context ctx;
private final IWXAPI api;
private WechatApi(Context ctx, boolean isDebug) {
this.ctx = ctx;
this.api = WXAPIFactory.createWXAPI(ctx, BuildConfig.WX_APPID, isDebug);
this.api.registerApp(BuildConfig.WX_APPID);
}
public static WechatApi getInstance(Context ctx) {
return getInstance(ctx, false);
}
public static WechatApi getInstance(Context ctx, boolean isDebug) {
if (null == WechatApi.INSTANCE) {
WechatApi.INSTANCE = new WechatApi(ctx, isDebug);
}
return WechatApi.INSTANCE;
}
public void sendRequest(BaseReq req) {
this.api.sendReq(req);
}
public boolean isWXAppInstalled() {
return this.api.isWXAppInstalled();
}
public void handleIntent(Intent intent, IWXAPIEventHandler handler) {
this.api.handleIntent(intent, handler);
}
public void pay(String payInfo) {
this.sendRequest(JSON.parseObject(payInfo, PayReq.class));
}
public void login() {
final SendAuth.Req req = new SendAuth.Req();
req.scope = "snsapi_userinfo";
req.state = "wechat_sdk_demo_test";
this.sendRequest(req);
}
public void share(Context ctx, final ShareBean bean) {
String webImg = bean.getWebImg();
String shareType = bean.getShareType();
if ("0".equals(shareType)) { // 分享文字
this.shareText(bean);
} else if ("1".equals(shareType)) { // 分享图片
this.loadImageUrl(ctx, webImg, (bitmap) -> shareImage(bean, bitmap));
} else if ("3".equals(shareType)) { // 分享url地址
this.loadImageUrl(ctx, webImg, (bitmap) -> shareWebPage(bean, bitmap));
}
}
private void shareText(ShareBean bean) {
WXTextObject textObj = new WXTextObject();
textObj.text = bean.getContent();
WXMediaMessage msg = new WXMediaMessage();
msg.mediaObject = textObj;
msg.description = bean.getContent();
this.shareAction(msg, bean, "text");
}
private void shareImage(ShareBean bean, Bitmap bmp) {
//初始化 WXImageObject 和 WXMediaMessage 对象
WXImageObject imgObj = new WXImageObject(bmp);
WXMediaMessage msg = new WXMediaMessage();
msg.mediaObject = imgObj;
Bitmap thumbBmp = Bitmap.createScaledBitmap(bmp, 120, 120, true);
bmp.recycle();
msg.thumbData = BitmapUtils.bitmapToByte(thumbBmp);
this.shareAction(msg, bean, "img");
}
private void shareWebPage(ShareBean bean, Bitmap bitmap) {
WXWebpageObject web = new WXWebpageObject();
web.webpageUrl = bean.getWebUrl();
WXMediaMessage msg = new WXMediaMessage(web);
// 填写网页标题、描述、位图
msg.title = bean.getTitle();
//网页描述
msg.description = bean.getContent();
msg.setThumbImage(bitmap);
bitmap.recycle();
this.shareAction(msg, bean, "webpage");
}
private void shareAction(WXMediaMessage msg, ShareBean bean, String transaction) {
SendMessageToWX.Req req = new SendMessageToWX.Req();
// transaction用于唯一标识一个请求（可自定义）
req.transaction = transaction;
// 上文的WXMediaMessage对象
req.message = msg;
req.scene = this.getShareScene(bean);
// 向微信发送请求
this.sendRequest(req);
}
private int getShareScene(ShareBean bean) {
String scene = bean.getScene();
if ("0".equals(scene)) { // 朋友圈
return SendMessageToWX.Req.WXSceneTimeline;
} else if ("1".equals(scene)) { // 分享到好友
return SendMessageToWX.Req.WXSceneSession;
}
// else if ("2".equals(scene)) { // 分享到收藏夹
// return SendMessageToWX.Req.WXSceneFavorite;
// }
// 默认分享到好友
return SendMessageToWX.Req.WXSceneSession;
}
private void loadImageUrl(Context ctx, String url, final Callback<Bitmap> callback) {
SimpleTarget<Bitmap> target = new SimpleTarget<Bitmap>() {
@Override
public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
callback.onBack(resource);
}
};
if (TextUtils.isEmpty(url)) {
Glide.with(ctx).asBitmap().load(R.mipmap.app_logo).override(120, 120).into(target);
} else {
Glide.with(ctx).asBitmap().load(url).override(120, 120).into(target);
}
}
private static interface Callback<T> {
public void onBack(T data);
}
}