Android 调起微信扫一扫

Posted 2022-12-05 Android-kongqw

封装

package ……

import android.content.ComponentName
import android.content.Context
import android.content.Intent
import ……

object WXHelper 

    private const val WECHAT_APP_PACKAGE = "com.tencent.mm"
    private const val WECHAT_LAUNCHER_UI_CLASS = "com.tencent.mm.ui.LauncherUI"
    private const val WECHAT_OPEN_SCANER_NAME = "LauncherUI.From.Scaner.Shortcut"

    fun openScanner(context: Context) 
    	// 检查微信是否安装
        if (AppUtil.isInstalled(context, WECHAT_APP_PACKAGE)) 
            // 正在打开微信扫一扫
            val intent = Intent(Intent.ACTION_VIEW).apply 
                component = ComponentName(WECHAT_APP_PACKAGE, WECHAT_LAUNCHER_UI_CLASS)
                putExtra(WECHAT_OPEN_SCANER_NAME, true)
                flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TOP
            
            context.startActivity(intent)
         else 
            // 未安装
        
    

使用

WXHelper.openScanner(applicationContext)