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Code Issues Projects Releases Wiki Activity

Extend the usage stats export

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This commit is contained in:
Jonas Lochmann 2022-03-21 01:00:00 +01:00
parent 1dc95bfad4
commit 7012f3c836
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GPG key ID: 8B8C9AEE10FA5B36
1 changed files with 123 additions and 15 deletions
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138
app/src/main/java/io/timelimit/android/ui/diagnose/DiagnoseForegroundAppFragment.kt
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@ -22,6 +22,8 @@ import android.content.Context
import android.content.Intent
import android.os.Build
import android.os.Bundle
import android.os.Parcel
import android.util.Base64
import android.util.JsonWriter
import android.util.Log
import android.view.LayoutInflater
@ -178,8 +180,15 @@ class DiagnoseForegroundAppFragment : Fragment(), FragmentWithCustomTitle {
val now = System.currentTimeMillis()
val service = context.getSystemService(Context.USAGE_STATS_SERVICE) as UsageStatsManager
val currentData = service.queryEvents(now - InstanceIdForegroundAppHelper.START_QUERY_INTERVAL, now)
val parcel = TlUsageEvents.getParcel(currentData)
val bytes = try { parcel.marshall() } finally { parcel.recycle() }
val bytes = try {
val parcel = TlUsageEvents.getParcel(currentData)
try { parcel.marshall() } finally { parcel.recycle() }
} finally {
val event = UsageEvents.Event()
while (currentData.getNextEvent(event)) {/* consume all items */}
}
context.contentResolver.openOutputStream(data!!.data!!)!!.use { stream ->
stream.write(bytes)
@ -212,26 +221,115 @@ class DiagnoseForegroundAppFragment : Fragment(), FragmentWithCustomTitle {
val now = System.currentTimeMillis()
val service = context.getSystemService(Context.USAGE_STATS_SERVICE) as UsageStatsManager
val currentData = service.queryEvents(now - InstanceIdForegroundAppHelper.START_QUERY_INTERVAL, now)
val event = UsageEvents.Event()
JsonWriter(BufferedWriter(OutputStreamWriter(context.contentResolver.openOutputStream(data!!.data!!)!!))).use { writer ->
writer.setIndent(" ")
try {
var nativeData = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
val parcel = TlUsageEvents.getParcel(currentData)
val bytes = parcel.marshall()
val reader = TlUsageEvents(parcel)
writer.beginArray()
NativeEventReader(reader, bytes, parcel)
} else null
val event = UsageEvents.Event()
try {
JsonWriter(
BufferedWriter(
OutputStreamWriter(
context.contentResolver.openOutputStream(
data!!.data!!
)!!
)
)
).use { writer ->
writer.setIndent(" ")
writer.beginObject()
while (currentData.getNextEvent(event)) {
writer.beginObject()
nativeData?.let { native ->
writer.name("header").value(Base64.encodeToString(
native.bytes, 0, native.parcel.dataPosition(), Base64.NO_WRAP or Base64.NO_PADDING
))
}
writer.name("timestamp").value(event.timeStamp)
writer.name("type").value(event.eventType)
writer.name("packageName").value(event.packageName)
writer.name("className").value(event.className)
writer.name("events").also {
writer.beginArray()
writer.endObject()
while (currentData.getNextEvent(event)) {
writer.beginObject()
writer.name("timestamp").value(event.timeStamp)
writer.name("type").value(event.eventType)
writer.name("packageName").value(event.packageName)
writer.name("className").value(event.className)
nativeData?.let { native ->
val positionBefore = native.parcel.dataPosition()
val result: ReadNextItemResult = try {
if (native.events.readNextItem()) ReadNextItemResult.NextItem
else ReadNextItemResult.EndOfData
} catch (ex: Exception) {
ReadNextItemResult.Error(ex)
}
val positionAfter = native.parcel.dataPosition().let {
if (it < positionBefore) native.bytes.size else it
}
writer.name("native")
when (result) {
ReadNextItemResult.NextItem -> {
writer.beginObject()
writer.name("timestamp").value(native.events.timestamp)
writer.name("type").value(native.events.eventType)
writer.name("instanceId").value(native.events.eventType)
writer.name("packageName").value(native.events.packageName)
writer.name("className").value(native.events.className)
writer.name("binary").value(Base64.encodeToString(
native.bytes, positionBefore, positionAfter - positionBefore,
Base64.NO_WRAP or Base64.NO_PADDING
))
writer.endObject()
}
ReadNextItemResult.EndOfData -> {
writer.value("end of data reached")
native.free()
nativeData = null
}
is ReadNextItemResult.Error -> {
writer.beginObject()
writer.name("error message").value("${result.err}")
writer.name("remaining binary data").value(Base64.encodeToString(
native.bytes, positionBefore, native.bytes.size - positionBefore,
Base64.NO_WRAP or Base64.NO_PADDING
))
writer.endObject()
native.free()
nativeData = null
}
}
}
writer.endObject()
}
writer.endArray()
}
writer.endObject()
}
} finally {
nativeData?.free()
}
writer.endArray()
} finally {
while (currentData.getNextEvent(event)) {/* consume all items */}
}
Threads.mainThreadHandler.post {
@ -250,4 +348,14 @@ class DiagnoseForegroundAppFragment : Fragment(), FragmentWithCustomTitle {
}
} else super.onActivityResult(requestCode, resultCode, data)
}
internal class NativeEventReader(val events: TlUsageEvents, val bytes: ByteArray, val parcel: Parcel /* owned by TlUsageEvents */) {
fun free() { events.free() }
}
sealed class ReadNextItemResult {
object EndOfData: ReadNextItemResult()
object NextItem: ReadNextItemResult()
class Error(val err: Exception): ReadNextItemResult()
}
}