升级Kotlin、Paging3

Author: fmtjava

app/src/main/java/com/fmt/github/WelcomeActivity.kt

@@ -36,16 +36,16 @@ class WelcomeActivity : BaseDataBindActivity<ActivityWelcomeBinding>() {
     }
 
     private fun askForPermission() {
-        runWithPermissions(Permission.READ_PHONE_STATE, Permission.READ_EXTERNAL_STORAGE,
-            Permission.WRITE_EXTERNAL_STORAGE, granted = object : Callback {
-                override fun invoke(result: AssentResult) {
-                    checkIsLogin()
-                }
-            }, denied = object : Callback {
-                override fun invoke(result: AssentResult) {
-                    finish()
-                }
-            })
+        lifecycleScope.launch {
+            runWithPermissions(
+                Permission.READ_PHONE_STATE, Permission.READ_EXTERNAL_STORAGE,
+                Permission.WRITE_EXTERNAL_STORAGE
+            ).yes {
+                checkIsLogin()
+            }.otherwise {
+                finish()
+            }
+        }
     }
 
     private fun checkIsLogin() {

app/src/main/java/com/fmt/github/ext/PermissionExt.kt

@@ -1,36 +1,33 @@
 package com.fmt.github.ext
 
 import android.app.Activity
-import android.content.pm.PackageManager.PERMISSION_GRANTED
 import com.afollestad.assent.*
 import com.afollestad.assent.rationale.RationaleHandler
+import kotlinx.coroutines.suspendCancellableCoroutine
+import kotlin.coroutines.resume
 
 //拓展Assent动态申请权限
-fun Activity.runWithPermissions(
+suspend fun Activity.runWithPermissions(
     vararg permissions: Permission,
     requestCode: Int = 40,
     rationaleHandler: RationaleHandler? = null,
-    granted: Callback,
-    denied: Callback
-) {
+): Boolean = suspendCancellableCoroutine { continuation ->
+
+    //这里注意：permissions可变参数，传递要加*，如果不太明白，可以反编译Kotlin查看编译后的Java类
     isAllGranted(*permissions).yes {
-        val permissionList = permissions.asList()
-        val grantResultList = IntArray(permissions.size)
-        permissionList.forEachIndexed { index, _ ->
-            grantResultList[index] = PERMISSION_GRANTED
-        }
-        granted.invoke(AssentResult(permissionList, grantResultList))
+        continuation.resume(true)
     }.otherwise {
         askForPermissions(
             *permissions,
             requestCode = requestCode,
             rationaleHandler = rationaleHandler
         ) {
             it.isAllGranted(*permissions).yes {
-                granted.invoke(it)
+                //granted.invoke(it)
+                continuation.resume(true)
             }.otherwise {
-                denied.invoke(it)
+                continuation.resume(false)
             }
         }
     }
-}
+}

app/src/main/java/com/fmt/github/home/activity/CommonSearchActivity.kt

@@ -3,7 +3,6 @@ package com.fmt.github.home.activity
 import android.view.View
 import android.view.inputmethod.EditorInfo
 import androidx.fragment.app.Fragment
-import androidx.lifecycle.Observer
 import com.fmt.github.R
 import com.fmt.github.base.activity.BaseDataBindActivity
 import com.fmt.github.databinding.ActivityCommonSearchBinding
@@ -68,11 +67,11 @@ class CommonSearchActivity : BaseDataBindActivity<ActivityCommonSearchBinding>()
 
     private fun showPopupView() {
         mIsSearchRepos.yes {
-            createSortReposPopup(this).observe(this, Observer {
+            createSortReposPopup(this).observe(this, {
                 searchReposOrUsersBySortOption(it)
             })
         }.otherwise {
-            createSortUsesPopup(this).observe(this, Observer {
+            createSortUsesPopup(this).observe(this, {
                 searchReposOrUsersBySortOption(it)
             })
         }

app/src/main/java/com/fmt/github/home/activity/HomeActivity.kt

@@ -140,7 +140,7 @@ class HomeActivity : BaseVMActivity(), NavigationView.OnNavigationItemSelectedLi
     }
 
     private fun checkVersionUpdate() {
-        mViewModel.getReleases().observe(this, Observer {
+        mViewModel.getReleases().observe(this, {
             (it.tag_name != getVersionName()).yes {
                 showVersionUpdatePopup(it.assets[0].browser_download_url)
             }

app/src/main/java/com/fmt/github/repos/activity/ReposDetailActivity.kt

@@ -79,15 +79,15 @@ class ReposDetailActivity : BaseVMActivity() {
 
     private fun starRepo() {
         mViewModel.starRepo(mOwner, mRepos)
-            .observe(this@ReposDetailActivity, Observer {
+            .observe(this@ReposDetailActivity, {
                 successToast(getString(R.string.stared))
                 LiveEventBus.get().with(Constant.STAR_EVENT_KEY).post(ReposStarEvent())
             })
     }
 
     private fun unStarRepo() {
         mViewModel.unStarRepo(mOwner, mRepos)
-            .observe(this@ReposDetailActivity, Observer {
+            .observe(this@ReposDetailActivity, {
                 successToast(getString(R.string.un_stared))
                 LiveEventBus.get().with(Constant.STAR_EVENT_KEY).post(ReposStarEvent())
             })