为了兼容 android support 库 版本从androidX降级

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

app/build.gradle

@@ -41,15 +41,15 @@ android {
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
     implementation project(path: ':appUpdate')
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 
     //https://github.com/WVector/AppUpdate/blob/master/java.md
-    implementation 'com.qianwen:update-app:3.5.2'
+//    implementation 'com.qianwen:update-app:3.5.2'
 
 
 
@@ -64,5 +64,5 @@ dependencies {
     //rxjava2   (RxJava2/Rxjava3二选一，使用asXxx方法时必须)
     implementation 'io.reactivex.rxjava2:rxjava:2.2.8'
     implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
-    implementation 'com.ljx.rxlife2:rxlife-rxjava:2.0.0' //管理RxJava2生命周期，页面销毁，关
+    implementation 'com.rxjava.rxlife:rxlife:1.1.0'
 }
\ No newline at end of file

app/release/output-metadata.json

@@ -11,8 +11,8 @@
       "type": "SINGLE",
       "filters": [],
       "properties": [],
-      "versionCode": 2,
-      "versionName": "2.0",
+      "versionCode": 1,
+      "versionName": "1.0",
       "enabled": true,
       "outputFile": "app-release.apk"
     }

app/src/main/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="cn.liujson.appupdatedemo">
+    package="cn.liujson.appupdatedemo"
+    xmlns:dist="http://schemas.android.com/apk/distribution">
 
+    <dist:module dist:instant="true" />
     <uses-permission android:name="android.permission.INTERNET"/>
     <application
         android:allowBackup="true"

app/src/main/java/cn/liujson/appupdatedemo/AppUpdateFragment.java

@@ -4,11 +4,14 @@ import android.app.AlertDialog;
 import android.app.PendingIntent;
 import android.app.TaskStackBuilder;
 import android.content.ComponentName;
-import android.content.Context;
 import android.content.Intent;
 import android.content.ServiceConnection;
 import android.os.Bundle;
 import android.os.IBinder;
+import android.support.annotation.IdRes;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -19,10 +22,6 @@ import android.widget.ProgressBar;
 import android.widget.TextView;
 import android.widget.Toast;
 
-import androidx.annotation.IdRes;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.fragment.app.Fragment;
 
 import com.rxjava.rxlife.RxLife;
 

app/src/main/java/cn/liujson/appupdatedemo/MainActivity.java

@@ -3,10 +3,10 @@ package cn.liujson.appupdatedemo;
 
 import android.os.Bundle;
 import android.os.Environment;
+import android.support.annotation.Nullable;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
 
-import androidx.annotation.Nullable;
-import androidx.appcompat.app.ActionBar;
-import androidx.appcompat.app.AppCompatActivity;
 
 import java.io.File;
 
@@ -16,7 +16,6 @@ import java.io.File;
  */
 public class MainActivity extends AppCompatActivity {
 
-
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -25,7 +24,9 @@ public class MainActivity extends AppCompatActivity {
         if (supportActionBar != null) {
             supportActionBar.hide();
         }
-        getSupportFragmentManager().beginTransaction()
+
+        getSupportFragmentManager()
+                .beginTransaction()
                 .replace(R.id.fl_container, AppUpdateFragment.newInstance("http://192.168.1.181:8090/static/app/apk_update_info.json",
                         new File(Environment.getExternalStorageDirectory(), "/test/testUpdate.apk").getAbsolutePath()))
                 .commit();

app/src/main/res/layout/activity_main.xml

 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -19,4 +19,4 @@
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_bias="0.022" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</android.support.constraint.ConstraintLayout>
\ No newline at end of file

app/src/main/res/layout/fragment_app_update.xml

 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -49,5 +49,4 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/m_progress_bar" />
 
-
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</android.support.constraint.ConstraintLayout>
\ No newline at end of file

appUpdate/build.gradle

@@ -41,7 +41,8 @@ android {
 
 dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
-    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
@@ -57,5 +58,5 @@ dependencies {
     //rxjava2   (RxJava2/Rxjava3二选一，使用asXxx方法时必须)
     implementation 'io.reactivex.rxjava2:rxjava:2.2.8'
     implementation 'io.reactivex.rxjava2:rxandroid:2.1.1'
-    implementation 'com.ljx.rxlife2:rxlife-rxjava:2.0.0' //管理RxJava2生命周期，页面销毁，关
+    implementation 'com.rxjava.rxlife:rxlife:1.1.0'
 }
\ No newline at end of file

appUpdate/src/main/java/cn/liujson/app/update/AppUpdateManager.java

@@ -15,14 +15,12 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.IBinder;
 import android.provider.Settings;
+import android.support.annotation.NonNull;
+import android.support.annotation.RequiresPermission;
+import android.support.v4.content.ContextCompat;
+import android.support.v4.content.FileProvider;
 
 
-import androidx.annotation.NonNull;
-import androidx.annotation.RequiresApi;
-import androidx.annotation.RequiresPermission;
-import androidx.core.content.ContextCompat;
-import androidx.core.content.FileProvider;
-
 import java.io.File;
 import java.util.List;
 import java.util.Objects;

appUpdate/src/main/java/cn/liujson/app/update/service/ApkDownloadService.java

@@ -9,9 +9,9 @@ import android.content.ServiceConnection;
 import android.os.Binder;
 import android.os.Build;
 import android.os.IBinder;
+import android.support.annotation.Nullable;
+import android.support.v4.app.NotificationCompat;
 
-import androidx.annotation.Nullable;
-import androidx.core.app.NotificationCompat;
 
 import java.util.ArrayList;
 import java.util.List;

gradle.properties

@@ -16,4 +16,4 @@ org.gradle.jvmargs=-Xmx2048m
 # https://developer.android.com/topic/libraries/support-library/androidx-rn
 android.useAndroidX=true
 # Automatically convert third-party libraries to use AndroidX
-android.enableJetifier=true
\ No newline at end of file
+#android.enableJetifier=true
\ No newline at end of file