fix

Author: git-xuhao

app/src/main/java/com/hazz/kotlinmvp/ui/activity/ProfileHomePageActivity.kt

@@ -7,6 +7,7 @@ import android.webkit.WebView
 import android.webkit.WebViewClient
 import com.hazz.kotlinmvp.R
 import com.hazz.kotlinmvp.base.BaseActivity
+import com.hazz.kotlinmvp.utils.CleanLeakUtils
 import com.hazz.kotlinmvp.utils.StatusBarUtil
 import com.scwang.smartrefresh.layout.api.RefreshHeader
 import com.scwang.smartrefresh.layout.listener.SimpleMultiPurposeListener
@@ -94,4 +95,9 @@ class ProfileHomePageActivity : BaseActivity() {
     override fun start() {
 
     }
+
+    override fun onDestroy() {
+        CleanLeakUtils.fixInputMethodManagerLeak(this)
+        super.onDestroy()
+    }
 }

app/src/main/java/com/hazz/kotlinmvp/ui/activity/SearchActivity.kt

@@ -24,6 +24,7 @@ import com.hazz.kotlinmvp.net.exception.ErrorStatus
 import com.hazz.kotlinmvp.showToast
 import com.hazz.kotlinmvp.ui.adapter.CategoryDetailAdapter
 import com.hazz.kotlinmvp.ui.adapter.HotKeywordsAdapter
+import com.hazz.kotlinmvp.utils.CleanLeakUtils
 import com.hazz.kotlinmvp.utils.StatusBarUtil
 import com.hazz.kotlinmvp.view.ViewAnimUtils
 import kotlinx.android.synthetic.main.activity_search.*
@@ -311,6 +312,7 @@ class SearchActivity : BaseActivity(), SearchContract.View {
     }
 
     override fun onDestroy() {
+        CleanLeakUtils.fixInputMethodManagerLeak(this)
         super.onDestroy()
         mPresenter.detachView()
         mTextTypeface = null

app/src/main/java/com/hazz/kotlinmvp/ui/activity/VideoDetailActivity.kt

@@ -21,6 +21,7 @@ import com.hazz.kotlinmvp.mvp.model.bean.HomeBean
 import com.hazz.kotlinmvp.mvp.presenter.VideoDetailPresenter
 import com.hazz.kotlinmvp.showToast
 import com.hazz.kotlinmvp.ui.adapter.VideoDetailAdapter
+import com.hazz.kotlinmvp.utils.CleanLeakUtils
 import com.hazz.kotlinmvp.utils.StatusBarUtil
 import com.hazz.kotlinmvp.utils.WatchHistoryUtils
 import com.hazz.kotlinmvp.view.VideoListener
@@ -318,6 +319,7 @@ class VideoDetailActivity : BaseActivity(), VideoDetailContract.View {
     }
 
     override fun onDestroy() {
+        CleanLeakUtils.fixInputMethodManagerLeak(this)
         super.onDestroy()
         GSYVideoPlayer.releaseAllVideos()
         orientationUtils?.releaseListener()

app/src/main/java/com/hazz/kotlinmvp/utils/CleanLeakUtils.kt

@@ -0,0 +1,49 @@
+package com.hazz.kotlinmvp.utils
+
+import android.content.Context
+import android.view.View
+import android.view.inputmethod.InputMethodManager
+import com.orhanobut.logger.Logger
+
+import java.lang.reflect.Field
+
+/**
+ * Created by xuhao on 2017/12/13.
+ * desc:
+ */
+
+object CleanLeakUtils {
+
+    fun fixInputMethodManagerLeak(destContext: Context?) {
+        if (destContext == null) {
+            return
+        }
+        Logger.d("xiho，fix。。。。。。。。。。。。。。。。。")
+        val inputMethodManager = destContext.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
+
+        val viewArray = arrayOf("mCurRootView", "mServedView", "mNextServedView")
+        var filed: Field
+        var filedObject: Any?
+
+        for (view in viewArray) {
+            try {
+                filed = inputMethodManager.javaClass.getDeclaredField(view)
+                if (!filed.isAccessible) {
+                    filed.isAccessible = true
+                }
+                filedObject = filed.get(inputMethodManager)
+                if (filedObject != null && filedObject is View) {
+                    val fileView = filedObject as View?
+                    if (fileView!!.context === destContext) { // 被InputMethodManager持有引用的context是想要目标销毁的
+                        filed.set(inputMethodManager, null) // 置空，破坏掉path to gc节点
+                    } else {
+                        break// 不是想要目标销毁的，即为又进了另一层界面了，不要处理，避免影响原逻辑,也就不用继续for循环了
+                    }
+                }
+            } catch (t: Throwable) {
+                t.printStackTrace()
+            }
+
+        }
+    }
+}