当我将目标SDK更新到30+ (Android R或更高版本)时,我的PendingIntent上出现了一个lint警告Missing PendingIntent可变性标志。当我想定义PendingIntent时,FLAG_UPDATE_CURRENT标志。
我应该如何处理这个绒线没有对应用程序功能的影响?
当我将目标SDK更新到30+ (Android R或更高版本)时,我的PendingIntent上出现了一个lint警告Missing PendingIntent可变性标志。当我想定义PendingIntent时,FLAG_UPDATE_CURRENT标志。
我应该如何处理这个绒线没有对应用程序功能的影响?
当前回答
来自:
https://developer.android.com/reference/android/app/PendingIntent#FLAG_MUTABLE
"Up until Build.VERSION_CODES.R, PendingIntents are assumed to be mutable by default, unless FLAG_IMMUTABLE is set. Starting with Build.VERSION_CODES.S, it will be required to explicitly specify the mutability of PendingIntents on creation with either (@link #FLAG_IMMUTABLE} or FLAG_MUTABLE. It is strongly recommended to use FLAG_IMMUTABLE when creating a PendingIntent. FLAG_MUTABLE should only be used when some functionality relies on modifying the underlying intent, e.g. any PendingIntent that needs to be used with inline reply or bubbles."
为了保持相同的行为,像每天改变任何“PendingIntent。FLAG_MUTABLE |任何东西"
当创建/检索一个挂起的意图/活动,服务,提供者,接收者
值得寻找的地方:
PendingIntent.getBroadcast(...
.getPendingIntent(...
PendingIntent.getService
PendingIntent.getActivity
如果你的应用程序使用androidx。工作确保至少升级到:
implementation 'androidx.work:work-runtime-ktx:2.7.0-alpha05'
他们在alpha02中修复了一个与SDK 12中所有这些更改相关的错误。
其他回答
我遇到过致命异常:java.lang.IllegalArgumentException这样的崩溃。不发布。附加到带有远程输入的操作的PendingIntents必须是可变的。
我写了这个util方法,它允许将可变性作为参数发送。有时需要获取可变标志,例如通知中的回复操作。
private fun getPendingIntentFlags(isMutable: Boolean = false) =
when {
isMutable && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S ->
PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_MUTABLE
!isMutable && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M ->
PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
else -> PendingIntent.FLAG_UPDATE_CURRENT
}
使用的例子:
val quickReplyPendingIntent = PendingIntent.getBroadcast(
context, notificationId, replyIntent,
getPendingIntentFlags(true)
)
我创建了PendingIntentCompat。将PendingIntent逻辑抽象到一个单独的类中。
object PendingIntentCompat {
@JvmStatic
@JvmOverloads
fun getActivity(
context: Context,
requestCode: Int,
intent: Intent,
flags: Int,
isMutable: Boolean = false
): PendingIntent {
return PendingIntent.getActivity(
context,
requestCode,
intent,
addMutabilityFlags(isMutable, flags)
)
}
@JvmStatic
@JvmOverloads
fun getService(
context: Context,
requestCode: Int,
intent: Intent,
flags: Int,
isMutable: Boolean = false
): PendingIntent {
return PendingIntent.getService(
context,
requestCode,
intent,
addMutabilityFlags(isMutable, flags)
)
}
@JvmStatic
@JvmOverloads
@RequiresApi(Build.VERSION_CODES.O)
fun getForegroundService(
context: Context,
requestCode: Int,
intent: Intent,
flags: Int,
isMutable: Boolean = false
): PendingIntent {
return PendingIntent.getForegroundService(
context,
requestCode,
intent,
addMutabilityFlags(isMutable, flags)
)
}
/**
* https://developer.android.com/about/versions/12/behavior-changes-12#pending-intent-mutability
*/
private fun addMutabilityFlags(isMutable: Boolean, flags: Int): Int {
var updatedFlags = flags
if (isMutable) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
updatedFlags = flags or PendingIntent.FLAG_MUTABLE
}
} else {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
updatedFlags = flags or PendingIntent.FLAG_IMMUTABLE
}
}
return updatedFlags
}
}
如果你让你的应用在android 12上运行,有一个新的PendingIntent可变标志。如果你不希望你的PendingIntent被静音,使用
Java
PendingIntent updatedPendingIntent = PendingIntent.getActivity(
applicationContext,
NOTIFICATION_REQUEST_CODE,
updatedIntent,
PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT // setting the mutability flag
)
科特林
val updatedPendingIntent = PendingIntent.getActivity(
applicationContext,
NOTIFICATION_REQUEST_CODE,
updatedIntent,
PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT // setting the mutability flag
)
如果你想要你的PendingIntent静音使用以下方法:
Java
PendingIntent updatedPendingIntent = PendingIntent.getActivity(
applicationContext,
NOTIFICATION_REQUEST_CODE,
updatedIntent,
PendingIntent.FLAG_MUTABLE | PendingIntent.FLAG_UPDATE_CURRENT // setting the mutability flag
)
科特林
val updatedPendingIntent = PendingIntent.getActivity(
applicationContext,
NOTIFICATION_REQUEST_CODE,
updatedIntent,
PendingIntent.FLAG_MUTABLE or PendingIntent.FLAG_UPDATE_CURRENT // setting the mutability flag
)
最后实现这个依赖
//Work Manager dependency
implementation 'androidx.work:work-runtime:2.7.1'
你可以像这样更新挂起的意图:
val updatedPendingIntent = PendingIntent.getActivity(
context,
NOTIFICATION_REQUEST_CODE,
updatedIntent,
PendingIntent.FLAG_IMMUTABLE| PendingIntent.FLAG_UPDATE_CURRENT
)
你可以添加PendingIntent。FLAG_IMMUTABLE加上|符号,它就可以工作了。
如果你使用Java和ADMOB,你会在SDK S或Android 12上遇到PendingIntent错误。这里有一个修复,使ADMOB使用正确的工作-运行时。
implementation 'com.google.android.gms:play-services-ads:19.5.0'
constraints {
implementation('androidx.work:work-runtime:2.7.0-alpha05') {
because 'previous versions have a bug impacting this application'
}
}