增加上传和更新页面

app/build.gradle

@@ -9,13 +9,13 @@ def releaseTime() {
 }
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 30
 //    buildToolsVersion "34.0.0"
 
     defaultConfig {
         applicationId "com.example.mir4updater"
         minSdkVersion 24
-        targetSdkVersion 29
+        targetSdkVersion 30
         versionCode 1
         versionName "1.0"
 
@@ -107,6 +107,7 @@ android {
                 }
             }
         }
+
     }
 
 
@@ -120,12 +121,16 @@ dependencies {
     implementation "androidx.recyclerview:recyclerview:1.2.1"
     implementation "androidx.viewpager2:viewpager2:1.0.0"
     implementation "androidx.fragment:fragment:1.4.1"
+    implementation "androidx.documentfile:documentfile:1.0.1"
 
     implementation 'androidx.legacy:legacy-support-v4:1.0.0'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test.ext:junit:1.2.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.6.1'
 
+    implementation 'com.google.android.play:app-update:2.1.0'
+    implementation 'com.google.android.play:app-update-ktx:2.1.0' // Kotlin扩展
+
     //RxJava
     implementation 'io.reactivex.rxjava3:rxjava:3.0.0'
     implementation 'io.reactivex.rxjava3:rxandroid:3.0.0'
@@ -144,7 +149,6 @@ dependencies {
     //google
     implementation 'com.google.code.gson:gson:2.9.0'
     implementation 'com.google.zxing:core:3.5.0'
-    implementation 'com.google.android.material:material:1.4.0'
     //生命周期管理
     implementation 'com.trello.rxlifecycle4:rxlifecycle:4.0.2'
     implementation 'com.trello.rxlifecycle4:rxlifecycle-android:4.0.2'