修改了结构的参数，以便于正确的调用getString()等方法

Author: foolchen

app/src/main/java/com/foolchen/lib/tracker/demo/BaseActivity.kt

@@ -1,5 +1,6 @@
 package com.foolchen.lib.tracker.demo
 
+import android.content.Context
 import android.support.v7.app.AppCompatActivity
 import com.foolchen.lib.tracker.lifecycle.ITrackerIgnore
 import com.foolchen.lib.tracker.lifecycle.ITrackerHelper
@@ -16,9 +17,9 @@ open class BaseActivity : AppCompatActivity(), ITrackerHelper, ITrackerIgnore {
   // 则页面名称（别名）会直接取使用canonicalName来当做标题
   // 并且不会有附加的属性
   ///////////////////////////////////////////////////////////////////////////
-  override fun getTrackName(): String? = null
+  override fun getTrackName(context: Context): String? = null
 
-  override fun getTrackProperties(): Map<String, Any?>? = null
+  override fun getTrackProperties(context: Context): Map<String, Any?>? = null
 
   ///////////////////////////////////////////////////////////////////////////
   // ITrackerIgnore接口用于确定当前Activity中是否包含Fragment

app/src/main/java/com/foolchen/lib/tracker/demo/MainActivity.kt

@@ -1,5 +1,6 @@
 package com.foolchen.lib.tracker.demo
 
+import android.content.Context
 import android.os.Bundle
 import android.support.v7.widget.LinearLayoutManager
 import android.support.v7.widget.RecyclerView
@@ -44,12 +45,12 @@ class MainActivity : BaseActivity() {
     rv.layoutManager = LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false)
     rv.adapter = adapter
 
-    title = getTrackName()
+    title = getTrackName(this)
   }
 
-  override fun getTrackName() = "主Activity"
+  override fun getTrackName(context: Context) = "主Activity"
 
-  override fun getTrackProperties() = null
+  override fun getTrackProperties(context: Context) = null
 
   private fun buildArgs(isVisibilityEnable: Boolean, isChildrenEnable: Boolean): Bundle {
     val args = Bundle()

app/src/main/java/com/foolchen/lib/tracker/demo/fragments/BaseFragment.kt

@@ -1,5 +1,6 @@
 package com.foolchen.lib.tracker.demo.fragments
 
+import android.content.Context
 import android.support.v4.app.Fragment
 import com.foolchen.lib.tracker.Tracker
 import com.foolchen.lib.tracker.lifecycle.ITrackerHelper
@@ -32,9 +33,9 @@ open class BaseFragment : Fragment(), ITrackerHelper, ITrackerIgnore {
   // 则页面名称（别名）会直接取使用canonicalName来当做标题
   // 并且不会有附加的属性
   ///////////////////////////////////////////////////////////////////////////
-  override fun getTrackName(): String? = null
+  override fun getTrackName(context: Context): String? = null
 
-  override fun getTrackProperties(): Map<String, Any?>? = null
+  override fun getTrackProperties(context: Context): Map<String, Any?>? = null
 
   ///////////////////////////////////////////////////////////////////////////
   // ITrackerIgnore接口用于确定当前Fragment中是否包含子Fragment

app/src/main/java/com/foolchen/lib/tracker/demo/fragments/NestedFragment.kt

@@ -1,5 +1,6 @@
 package com.foolchen.lib.tracker.demo.fragments
 
+import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -45,5 +46,5 @@ class NestedFragment : BaseFragment() {
     }
   }
 
-  override fun getTrackName(): String? = tv_desc.text.toString()
+  override fun getTrackName(context: Context): String? = tv_desc?.text.toString()
 }

app/src/main/java/com/foolchen/lib/tracker/demo/fragments/PageFragment.kt

@@ -1,5 +1,6 @@
 package com.foolchen.lib.tracker.demo.fragments
 
+import android.content.Context
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -58,5 +59,5 @@ class PageFragment : BaseFragment() {
 
   override fun isIgnored(): Boolean = hasChildren
 
-  override fun getTrackName(): String? = tv_desc?.text.toString()
+  override fun getTrackName(context: Context): String? = tv_desc?.text.toString()
 }

gradle.properties

@@ -11,7 +11,7 @@ org.gradle.jvmargs=-Xmx1536m
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
-VERSION_NAME=0.3.4-SNAPSHOT
+VERSION_NAME=0.4.0-SNAPSHOT
 POM_GROUP_ID=com.foolchen.lib
 POM_ARTIFACT_ID=tracker
 #库名称

tracker/src/main/java/com/foolchen/lib/tracker/Tracker.kt

@@ -6,7 +6,6 @@ import android.view.View
 import android.widget.AdapterView
 import com.foolchen.lib.tracker.data.*
 import com.foolchen.lib.tracker.lifecycle.ITrackerContext
-import com.foolchen.lib.tracker.lifecycle.ITrackerFragmentVisible
 import com.foolchen.lib.tracker.lifecycle.TrackerActivityLifeCycle
 import com.foolchen.lib.tracker.utils.*
 import java.util.*
@@ -57,7 +56,7 @@ object Tracker {
 
   internal var appStartTime = 0L
 
-  internal var trackContext: ITrackerContext? = null
+  internal lateinit var trackContext: ITrackerContext
 
   internal var serviceHost: String? = null
   internal var servicePath: String? = null

tracker/src/main/java/com/foolchen/lib/tracker/lifecycle/ITrackerHelper.kt

@@ -1,5 +1,7 @@
 package com.foolchen.lib.tracker.lifecycle
 
+import android.content.Context
+
 /**
  * 用于获取页面信息的接口
  * @author chenchong
@@ -9,11 +11,19 @@ package com.foolchen.lib.tracker.lifecycle
 interface ITrackerHelper {
   /**
    * 获取当前页面的名称
+   *
+   * **注意：在Fragment中使用时，不要使用Fragment.getString()等方法。
+   * 由于setUserVisibleHint()方法的调用可能在所有的生命周期之前，如果调用Fragment.getString()等方法可能会导致错误。
+   * 此处应该使用方法回传的[Context]**
    */
-  fun getTrackName(): String?
+  fun getTrackName(context: Context): String?
 
   /**
    * 获取当前页面需要附加的参数
+   *
+   * **注意：在Fragment中使用时，不要使用Fragment.getString()等方法。
+   * 由于setUserVisibleHint()方法的调用可能在所有的生命周期之前，如果调用Fragment.getString()等方法可能会导致错误
+   * 此处应该使用方法回传的[Context]**
    */
-  fun getTrackProperties(): Map<String, *>?
+  fun getTrackProperties(context: Context): Map<String, *>?
 }

tracker/src/main/java/com/foolchen/lib/tracker/utils/TrackerUtils.kt

@@ -31,7 +31,7 @@ const val TAG = "AndroidTracker"
 internal fun Activity.getTrackName(): String {
   var name: String? = null
   if (this is ITrackerHelper) {
-    name = this.getTrackName()
+    name = this.getTrackName(Tracker.trackContext.getApplicationContext())
   }
   if (name.isNullOrEmpty()) {
     name = this.javaClass.canonicalName
@@ -48,7 +48,7 @@ internal fun Activity.getTrackName(): String {
 internal fun Fragment.getTrackName(): String {
   var name: String? = null
   if (this is ITrackerHelper) {
-    name = this.getTrackName()
+    name = this.getTrackName(Tracker.trackContext.getApplicationContext())
   }
   if (name.isNullOrEmpty()) {
     name = this.javaClass.canonicalName
@@ -69,9 +69,9 @@ internal fun Fragment.getTrackTitle(): String = activity?.getTrackTitle() ?: ""
 internal fun Activity.getTrackProperties(): Map<String, Any> {
   val properties = HashMap<String, Any>()
   if (this is ITrackerHelper) {
-    this.getTrackProperties()?.let {
+    this.getTrackProperties(Tracker.trackContext.getApplicationContext())?.let {
       it.filter { it.value != null }.forEach {
-        properties.put(it.key, it.value!!)
+        properties[it.key] = it.value!!
       }
     }
   }
@@ -84,9 +84,9 @@ internal fun Activity.getTrackProperties(): Map<String, Any> {
 internal fun Fragment.getTrackProperties(): Map<String, Any> {
   val properties = HashMap<String, Any>()
   if (this is ITrackerHelper) {
-    this.getTrackProperties()?.let {
+    this.getTrackProperties(Tracker.trackContext.getApplicationContext())?.let {
       it.filter { it.value != null }.forEach {
-        properties.put(it.key, it.value!!)
+        properties[it.key] = it.value!!
       }
     }
   }
@@ -96,9 +96,9 @@ internal fun Fragment.getTrackProperties(): Map<String, Any> {
 internal fun View.getTrackProperties(ev: MotionEvent?): Map<String, Any> {
   // 首先获取元素本身的属性
   val properties = HashMap<String, Any>()
-  properties.put(ELEMENT_TYPE, this.javaClass.name)
+  properties[ELEMENT_TYPE] = this.javaClass.name
   if (this is TextView) {
-    properties.put(ELEMENT_CONTENT, this.text?.toString() ?: "")
+    properties[ELEMENT_CONTENT] = this.text?.toString() ?: ""
   }
   /*ev?.let {
     properties.put(ELEMENT_X, ev.x)
@@ -108,7 +108,7 @@ internal fun View.getTrackProperties(ev: MotionEvent?): Map<String, Any> {
   // 然后获取开发者附加的属性
   val additionalProperties = Tracker.elementsProperties[this]
   additionalProperties?.filter { it.value != null }?.forEach {
-    properties.put(it.key, it.value!!)
+    properties[it.key] = it.value!!
   }
   Tracker.elementsProperties.remove(this)
   return properties