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203 changes: 203 additions & 0 deletions
203
...ary-android-core/src/main/java/leakcanary/internal/activity/screen/HprofExplorerScreen.kt
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package leakcanary.internal.activity.screen | ||
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import android.app.AlertDialog | ||
import android.view.View | ||
import android.view.View.OnAttachStateChangeListener | ||
import android.view.View.VISIBLE | ||
import android.view.ViewGroup | ||
import android.widget.EditText | ||
import android.widget.ListView | ||
import android.widget.TextView | ||
import android.widget.Toast | ||
import com.squareup.leakcanary.core.R | ||
import leakcanary.GraphField | ||
import leakcanary.GraphHeapValue | ||
import leakcanary.GraphObjectRecord | ||
import leakcanary.GraphObjectRecord.GraphClassRecord | ||
import leakcanary.GraphObjectRecord.GraphInstanceRecord | ||
import leakcanary.GraphObjectRecord.GraphObjectArrayRecord | ||
import leakcanary.GraphObjectRecord.GraphPrimitiveArrayRecord | ||
import leakcanary.HeapValue.BooleanValue | ||
import leakcanary.HeapValue.ByteValue | ||
import leakcanary.HeapValue.CharValue | ||
import leakcanary.HeapValue.DoubleValue | ||
import leakcanary.HeapValue.FloatValue | ||
import leakcanary.HeapValue.IntValue | ||
import leakcanary.HeapValue.LongValue | ||
import leakcanary.HeapValue.ObjectReference | ||
import leakcanary.HeapValue.ShortValue | ||
import leakcanary.HprofGraph | ||
import leakcanary.HprofParser | ||
import leakcanary.HprofParser.RecordCallbacks | ||
import leakcanary.Record.HeapDumpRecord.ObjectRecord.InstanceDumpRecord | ||
import leakcanary.Record.HeapDumpRecord.ObjectRecord.ObjectArrayDumpRecord | ||
import leakcanary.internal.activity.db.Io | ||
import leakcanary.internal.activity.db.Io.OnIo | ||
import leakcanary.internal.activity.db.executeOnIo | ||
import leakcanary.internal.activity.ui.SimpleListAdapter | ||
import leakcanary.internal.navigation.Screen | ||
import leakcanary.internal.navigation.activity | ||
import leakcanary.internal.navigation.inflate | ||
import java.io.File | ||
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internal class HprofExplorerScreen( | ||
private val heapDumpFile: File | ||
) : Screen() { | ||
override fun createView(container: ViewGroup) = | ||
container.inflate(R.layout.leak_canary_hprof_explorer).apply { | ||
container.activity.title = resources.getString(R.string.leak_canary_loading_title) | ||
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lateinit var parser: HprofParser | ||
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addOnAttachStateChangeListener(object : OnAttachStateChangeListener { | ||
override fun onViewAttachedToWindow(view: View) { | ||
} | ||
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override fun onViewDetachedFromWindow(view: View) { | ||
Io.execute { | ||
parser.close() | ||
} | ||
} | ||
}) | ||
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executeOnIo { | ||
container.activity.title = | ||
resources.getString(R.string.leak_canary_options_menu_explore_heap_dump) | ||
parser = HprofParser.open(heapDumpFile) | ||
val graph = HprofGraph(parser) | ||
val classInstances = mutableMapOf<Long, MutableList<Long>>() | ||
parser.scan(RecordCallbacks().on(InstanceDumpRecord::class.java) { record -> | ||
val instances = classInstances.getOrPut(record.classId, { mutableListOf() }) | ||
instances += record.id | ||
}) | ||
updateUi { | ||
val titleView = findViewById<TextView>(R.id.leak_canary_explorer_title) | ||
val searchView = findViewById<View>(R.id.leak_canary_search_button) | ||
val listView = findViewById<ListView>(R.id.leak_canary_explorer_list) | ||
titleView.visibility = VISIBLE | ||
searchView.visibility = VISIBLE | ||
listView.visibility = VISIBLE | ||
searchView.setOnClickListener { | ||
val input = EditText(context) | ||
AlertDialog.Builder(context) | ||
.setIcon(android.R.drawable.ic_dialog_alert) | ||
.setTitle("Type a fully qualified class name") | ||
.setView(input) | ||
.setPositiveButton(android.R.string.ok) { _, _ -> | ||
executeOnIo { | ||
val className = input.text.toString() | ||
val searchedClass = parser.classId(className) | ||
if (searchedClass == null) { | ||
updateUi { | ||
Toast.makeText(context, "Class [$className] not found", Toast.LENGTH_LONG) | ||
.show() | ||
} | ||
} else { | ||
val instances = classInstances[searchedClass]!! | ||
updateUi { | ||
titleView.text = "${instances.size} instances of class $className" | ||
listView.adapter = SimpleListAdapter( | ||
R.layout.leak_canary_leak_row, instances | ||
) { view, position -> | ||
val titleView = view.findViewById<TextView>(R.id.leak_canary_row_text) | ||
titleView.text = "@${instances[position]}" | ||
} | ||
listView.setOnItemClickListener { _, _, position, _ -> | ||
executeOnIo { | ||
val objectId = instances[position] | ||
val instance = graph.readGraphObjectRecord(objectId).asInstance!! | ||
val fields = fieldsForRendering(instance) | ||
showInstanceFields(titleView, objectId, className, listView, fields) | ||
} | ||
} | ||
} | ||
} | ||
} | ||
} | ||
.setNegativeButton(android.R.string.cancel, null) | ||
.show() | ||
} | ||
} | ||
} | ||
} | ||
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private fun OnIo.showInstanceFields( | ||
titleView: TextView, | ||
objectId: Long, | ||
className: String, | ||
listView: ListView, | ||
fields: List<Pair<GraphField, String>> | ||
) { | ||
updateUi { | ||
titleView.text = "@$objectId instance of class $className" | ||
listView.adapter = SimpleListAdapter( | ||
R.layout.leak_canary_leak_row, fields | ||
) { view, position -> | ||
val titleView = | ||
view.findViewById<TextView>(R.id.leak_canary_row_text) | ||
titleView.text = fields[position].second | ||
} | ||
listView.setOnItemClickListener { _, _, position, _ -> | ||
val field = fields[position].first | ||
if (field.value.isNonNullReference) { | ||
executeOnIo { | ||
val instance = field.value.readObjectRecord()!!.asInstance | ||
if (instance != null) { | ||
val fields = fieldsForRendering(instance) | ||
showInstanceFields(titleView, instance.record.id, instance.className, listView, fields) | ||
} | ||
} | ||
} | ||
} | ||
} | ||
} | ||
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private fun fieldsForRendering(instance: GraphInstanceRecord): List<Pair<GraphField, String>> { | ||
return instance.readFields() | ||
.map { field -> | ||
field to "${field.classRecord.simpleName}.${field.name}=${heapValueAsString( | ||
field.value | ||
)}" | ||
} | ||
.toList() | ||
} | ||
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private fun heapValueAsString(heapValue: GraphHeapValue): String { | ||
return when (val actualValue = heapValue.actual) { | ||
is ObjectReference -> { | ||
if (heapValue.isNullReference) { | ||
"null" | ||
} else { | ||
when(val objectRecord = heapValue.readObjectRecord()!!) { | ||
is GraphInstanceRecord -> { | ||
if (objectRecord instanceOf "java.lang.String") { | ||
"\"${objectRecord.readAsJavaString()!!}\"" | ||
} else { | ||
heapValue.readObjectRecord()!!.asInstance!!.className + "@${actualValue.value}" | ||
} | ||
} | ||
is GraphClassRecord -> { | ||
objectRecord.name | ||
} | ||
is GraphObjectArrayRecord -> { | ||
objectRecord.arrayClassName | ||
} | ||
is GraphPrimitiveArrayRecord -> { | ||
// TODO actual type | ||
"primitive array" | ||
} | ||
} | ||
} | ||
} | ||
is BooleanValue -> actualValue.value.toString() | ||
is CharValue -> actualValue.value.toString() | ||
is FloatValue -> actualValue.value.toString() | ||
is DoubleValue -> actualValue.value.toString() | ||
is ByteValue -> actualValue.value.toString() | ||
is ShortValue -> actualValue.value.toString() | ||
is IntValue -> actualValue.value.toString() | ||
is LongValue -> actualValue.value.toString() | ||
} | ||
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} | ||
} |
29 changes: 29 additions & 0 deletions
29
leakcanary-android-core/src/main/res/layout/leak_canary_hprof_explorer.xml
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<?xml version="1.0" encoding="utf-8"?> | ||
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" | ||
android:layout_width="match_parent" | ||
android:layout_height="match_parent" | ||
android:background="@color/leak_canary_background_color" | ||
android:orientation="vertical" | ||
> | ||
<Button | ||
android:id="@+id/leak_canary_search_button" | ||
android:layout_width="match_parent" | ||
android:layout_height="wrap_content" | ||
android:text="@string/leak_canary_explorer_search_classes" | ||
android:visibility="invisible" | ||
/> | ||
<TextView | ||
android:id="@+id/leak_canary_explorer_title" | ||
android:layout_width="match_parent" | ||
android:layout_height="wrap_content" | ||
android:visibility="invisible" | ||
/> | ||
<ListView | ||
android:id="@+id/leak_canary_explorer_list" | ||
android:layout_width="match_parent" | ||
android:layout_height="match_parent" | ||
android:divider="@null" | ||
android:dividerHeight="0dp" | ||
android:visibility="invisible" | ||
/> | ||
</LinearLayout> |
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