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生成二维码

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maxinyu
2026-05-25 16:51:53 +08:00
parent fd84f18e4d
commit 95e2d9a3bf
18 changed files with 647 additions and 40 deletions
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192
app/src/main/java/com/example/defenseapplication/personal/InvitationCodeActivity.kt
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@@ -6,40 +6,43 @@ import android.graphics.Bitmap
import android.graphics.Canvas
import android.graphics.Color
import android.graphics.Paint
import android.os.Bundle
import android.os.Environment
import android.text.TextPaint
import android.view.LayoutInflater
import android.view.View
import android.widget.RadioButton
import android.widget.RadioGroup
import androidx.appcompat.app.AppCompatActivity
import com.google.android.material.bottomsheet.BottomSheetDialog
import androidx.core.content.ContextCompat
import com.example.defenseapplication.R
import com.example.defenseapplication.bean.VerifyOptionPasswordRequest
import com.example.defenseapplication.databinding.DialogExpireTimeBinding
import com.example.defenseapplication.databinding.InvitationCodeActivityBinding
import com.example.defenseapplication.utils.RetrofitNetwork
import com.google.zxing.BarcodeFormat
import com.google.zxing.EncodeHintType
import com.google.zxing.qrcode.QRCodeWriter
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel
import com.gyf.immersionbar.ImmersionBar
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import java.io.File
import java.io.FileOutputStream
import java.util.Hashtable
//邀请码页面
class InvitationCodeActivity : AppCompatActivity() {
private lateinit var binding: InvitationCodeActivityBinding
private var expireTimeInMillis: Long = 24 * 60 * 60 * 1000 // 默认24小时
private var expireTimeInMillis: Long = EXPIRE_24H // 默认24小时
private var selectedExpireOption: Int = 0 // 0: 24h, 1: 7d，默认选中24h
private var generatedInviteCode: String = "" // 生成的邀请码
private var expireTimestamp: Long = 0 // 过期时间戳
private var qrCodeContent: String = "" // 生成的二维码内容
private var lastClickTime: Long = 0 // 上次点击时间，用于防止多次点击
private var expireTimeDialog: BottomSheetDialog? = null // 时效选择弹窗
private var isLoading = false // 是否正在加载
companion object {
const val EXPIRE_24H = 24 * 60 * 60 * 1000L
@@ -61,6 +64,9 @@ class InvitationCodeActivity : AppCompatActivity() {
binding.tvExpireTime.text = getString(R.string.expire_24h)
// 默认显示灰色占位区域，二维码不可见
hideQrCode()
// 页面加载时查询推荐码状态
queryRecommendationCodeStatus()
}
private fun initListener() {
@@ -73,7 +79,7 @@ class InvitationCodeActivity : AppCompatActivity() {
}
binding.llWechatShare.setOnClickListener {
// 防止多次点击（间隔1秒）
// 防止多次点击（间隔3秒）
val currentTime = System.currentTimeMillis()
if (currentTime - lastClickTime < 3000) {
return@setOnClickListener
@@ -82,6 +88,119 @@ class InvitationCodeActivity : AppCompatActivity() {
// 微信分享功能
shareToWeChat()
}
// 撤销邀请按钮
binding.btnCancelInvite.setOnClickListener {
cancelInvitation()
}
// 重新生成按钮
binding.btnRegenerate.setOnClickListener {
regenerateInvitation()
}
}
/**
* 查询推荐码状态
*/
private fun queryRecommendationCodeStatus() {
isLoading = true
CoroutineScope(Dispatchers.IO).launch {
try {
// 注意：接口需要传入code参数，但我们可能不知道当前的推荐码
// 这里使用空字符串或默认值进行查询
val response = RetrofitNetwork.getNetworkService().selectRecommendationCode("")
withContext(Dispatchers.Main) {
isLoading = false
if (response.code == 200) {
// 有推荐码，解析返回的数据
handleRecommendationCodeResponse(response.data)
} else {
// 没有推荐码或查询失败，生成默认24小时的推荐码
generateDefaultRecommendationCode()
}
}
} catch (e: Exception) {
e.printStackTrace()
withContext(Dispatchers.Main) {
isLoading = false
// 网络异常，生成默认24小时的推荐码
generateDefaultRecommendationCode()
}
}
}
}
/**
* 处理推荐码查询响应
*/
private fun handleRecommendationCodeResponse(data: Any?) {
// 解析返回的数据，获取推荐码和过期时间
// 这里需要根据实际接口返回格式进行解析
if (data is Map<*, *>) {
generatedInviteCode = data["code"]?.toString() ?: ""
expireTimestamp = data["expireTime"]?.toString()?.toLongOrNull() ?: 0L
// 检查推荐码是否过期
if (expireTimestamp > 0 && System.currentTimeMillis() < expireTimestamp) {
// 推荐码有效，显示二维码
qrCodeContent = "{\"type\":\"invite\",\"code\":\"$generatedInviteCode\",\"expire\":$expireTimestamp}"
showQrCode()
generateQRCode()
// 根据过期时间设置显示的时效
val remainingTime = expireTimestamp - System.currentTimeMillis()
if (remainingTime > EXPIRE_24H) {
// 超过24小时，认为是7天的
expireTimeInMillis = EXPIRE_7D
selectedExpireOption = 1
binding.tvExpireTime.text = getString(R.string.expire_7d)
} else {
expireTimeInMillis = EXPIRE_24H
selectedExpireOption = 0
binding.tvExpireTime.text = getString(R.string.expire_24h)
}
} else {
// 推荐码已过期，生成新的默认24小时推荐码
generateDefaultRecommendationCode()
}
} else {
// 数据格式不对，生成新的推荐码
generateDefaultRecommendationCode()
}
}
/**
* 生成默认24小时的推荐码
*/
private fun generateDefaultRecommendationCode() {
expireTimeInMillis = EXPIRE_24H
selectedExpireOption = 0
binding.tvExpireTime.text = getString(R.string.expire_24h)
// 生成推荐码（本地生成，实际应该调用API）
generateQRCode()
showQrCode()
}
/**
* 处理生成推荐码成功
*/
private fun handleGenerateSuccess(data: Any?, expireDays: Int) {
// 解析返回的数据
if (data is Map<*, *>) {
generatedInviteCode = data["code"]?.toString() ?: ""
expireTimestamp = data["expireTime"]?.toString()?.toLongOrNull() ?: (System.currentTimeMillis() + expireTimeInMillis)
qrCodeContent = "{\"type\":\"invite\",\"code\":\"$generatedInviteCode\",\"expire\":$expireTimestamp}"
showQrCode()
generateQRCode()
} else {
// 如果接口没有返回推荐码，本地生成一个
generateInviteCode()
showQrCode()
generateQRCode()
}
}
private fun showExpireTimeDialog() {
@@ -108,6 +227,7 @@ class InvitationCodeActivity : AppCompatActivity() {
}
dialogBinding.tvConfirm.setOnClickListener {
// 直接设置新的时效并生成二维码
when (selectedExpireOption) {
0 -> {
expireTimeInMillis = EXPIRE_24H
@@ -118,7 +238,7 @@ class InvitationCodeActivity : AppCompatActivity() {
binding.tvExpireTime.text = getString(R.string.expire_7d)
}
}
// 选择后显示二维码并生成
// 显示二维码并生成
showQrCode()
generateQRCode()
expireTimeDialog?.dismiss()
@@ -128,31 +248,31 @@ class InvitationCodeActivity : AppCompatActivity() {
}
private fun hideQrCode() {
// 隐藏二维码，显示灰色占位区域
binding.ivQrCode.visibility = View.GONE
binding.ivQrLogo.visibility = View.GONE
binding.vQrPlaceholder.visibility = View.VISIBLE
}
private fun showQrCode() {
// 显示二维码，隐藏灰色占位区域
binding.vQrPlaceholder.visibility = View.GONE
binding.ivQrCode.visibility = View.VISIBLE
binding.ivQrLogo.visibility = View.VISIBLE
}
private fun generateQRCode() {
val content = generateInviteCode()
val content = if (qrCodeContent.isNotEmpty()) qrCodeContent else generateInviteCode()
val qrBitmap = createQRCodeWithLogo(content, 400, 400)
binding.ivQrCode.setImageBitmap(qrBitmap)
}
private fun generateInviteCode(): String {
// 生成包含邀请信息的JSON字符串
val timestamp = System.currentTimeMillis()
expireTimestamp = timestamp + expireTimeInMillis
generatedInviteCode = "INV${timestamp}"
qrCodeContent = "{\"type\":\"invite\",\"code\":\"$generatedInviteCode\",\"expire\":$expireTimestamp}"
// 输出日志，方便调试验证
android.util.Log.d("InvitationCode", "生成的二维码内容: $qrCodeContent")
android.util.Log.d("InvitationCode", "推荐码: $generatedInviteCode, 过期时间戳: $expireTimestamp")
return qrCodeContent
}
@@ -161,7 +281,6 @@ class InvitationCodeActivity : AppCompatActivity() {
val hints = Hashtable<EncodeHintType, Any>()
hints[EncodeHintType.CHARACTER_SET] = "UTF-8"
hints[EncodeHintType.ERROR_CORRECTION] = ErrorCorrectionLevel.H
// 设置二维码边距为最小（1）
hints[EncodeHintType.MARGIN] = 1
val writer = QRCodeWriter()
@@ -170,10 +289,8 @@ class InvitationCodeActivity : AppCompatActivity() {
val qrBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
val canvas = Canvas(qrBitmap)
// 绘制白色背景
canvas.drawColor(Color.WHITE)
// 绘制二维码
val paint = Paint(Paint.ANTI_ALIAS_FLAG)
paint.color = Color.BLACK
@@ -194,10 +311,8 @@ class InvitationCodeActivity : AppCompatActivity() {
}
}
// 在二维码中间绘制logo
val logoDrawable = ContextCompat.getDrawable(this, R.mipmap.loge)
if (logoDrawable != null) {
// logo大小为二维码的1/5
val logoSize = width / 5
val logoX = (width - logoSize) / 2
val logoY = (height - logoSize) / 2
@@ -218,51 +333,42 @@ class InvitationCodeActivity : AppCompatActivity() {
}
private fun shareToWeChat() {
// 检查二维码是否过期
if (expireTimestamp == 0L || System.currentTimeMillis() > expireTimestamp) {
ToastUtils.showError(this, getString(R.string.qr_code_expired))
return
}
// 生成分享海报
val shareBitmap = generateSharePoster()
if (shareBitmap == null) {
ToastUtils.showError(this, getString(R.string.share_failed))
return
}
// 保存图片到本地
val imagePath = saveBitmapToFile(shareBitmap)
if (imagePath.isEmpty()) {
ToastUtils.showError(this, getString(R.string.share_failed))
return
}
// 使用系统分享功能
shareImage(imagePath)
}
private fun generateSharePoster(): Bitmap? {
return try {
// 获取空海报背景图
val posterBackground = ContextCompat.getDrawable(this, R.drawable.share_poster_empty)
?: return null
// 创建画布
val width = posterBackground.intrinsicWidth
val height = posterBackground.intrinsicHeight
val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
val canvas = Canvas(bitmap)
// 绘制背景图
posterBackground.setBounds(0, 0, width, height)
posterBackground.draw(canvas)
// 使用已生成的二维码内容生成二维码
val qrCode = createQRCodeWithLogo(qrCodeContent, 300, 300)
?: return bitmap
// 绘制二维码到海报上
val qrSize = (width * 0.38f).toInt()
val qrX = (width - qrSize) / 2
val qrY = (height * 0.60f).toInt()
@@ -270,14 +376,12 @@ class InvitationCodeActivity : AppCompatActivity() {
val scaledQr = Bitmap.createScaledBitmap(qrCode, qrSize, qrSize, true)
canvas.drawBitmap(scaledQr, qrX.toFloat(), qrY.toFloat(), null)
// 获取时效文本
val expireText = if (expireTimeInMillis == EXPIRE_24H) {
getString(R.string.expire_24h)
} else {
getString(R.string.expire_7d)
}
// 绘制底部提示文字
val tipsText = getString(R.string.share_poster_tips, expireText)
val tipsPaint = android.text.TextPaint().apply {
color = Color.parseColor("#0475F3")
@@ -297,12 +401,10 @@ class InvitationCodeActivity : AppCompatActivity() {
.setLineSpacing(0f, 1.4f)
.build()
// 计算文字位置：距离二维码底部有固定间距
val qrBottom = qrY + qrSize
val marginBelowQr = (height * 0.04f).toInt() // 二维码下方间距
val marginBelowQr = (height * 0.04f).toInt()
val textY = qrBottom + marginBelowQr
// 向右偏移
val rightOffset = (width * 0.35f).toInt()
canvas.save()
@@ -310,7 +412,6 @@ class InvitationCodeActivity : AppCompatActivity() {
staticLayout.draw(canvas)
canvas.restore()
bitmap
} catch (e: Exception) {
e.printStackTrace()
@@ -342,7 +443,6 @@ class InvitationCodeActivity : AppCompatActivity() {
return
}
// 使用 FileProvider 获取内容 URI
val authority = "${packageName}.fileprovider"
val contentUri = androidx.core.content.FileProvider.getUriForFile(this, authority, file)
@@ -350,11 +450,9 @@ class InvitationCodeActivity : AppCompatActivity() {
type = "image/*"
putExtra(Intent.EXTRA_STREAM, contentUri)
putExtra(Intent.EXTRA_TEXT, getString(R.string.invite_friend))
// 授予读取权限
flags = Intent.FLAG_GRANT_READ_URI_PERMISSION
}
// 为所有匹配的应用授予权限
val resInfoList = packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY)
for (resolveInfo in resInfoList) {
val packageName = resolveInfo.activityInfo.packageName
@@ -369,9 +467,31 @@ class InvitationCodeActivity : AppCompatActivity() {
}
}
/**
* 撤销邀请
*/
private fun cancelInvitation() {
// 撤销邀请逻辑
hideQrCode()
generatedInviteCode = ""
qrCodeContent = ""
expireTimestamp = 0
// 显示提示
ToastUtils.showSuccess(this, getString(R.string.operation_success))
}
/**
* 重新生成邀请码
*/
private fun regenerateInvitation() {
// 根据当前选择的时效重新生成邀请码
generateQRCode()
showQrCode()
ToastUtils.showSuccess(this, getString(R.string.operation_success))
}
override fun onDestroy() {
super.onDestroy()
// 关闭弹窗，防止内存泄漏
expireTimeDialog?.dismiss()
}
}
}