首页实现页面切换

app/build.gradle

@@ -20,10 +20,19 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
+
+    compileOptions {
+
+        sourceCompatibility JavaVersion.VERSION_1_8
+
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
 }
 
 
-dependencies {
+
+    dependencies {
     implementation fileTree(dir: "libs", include: ["*.jar"])
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
@@ -34,8 +43,13 @@ dependencies {
     androidTestImplementation 'androidx.test.ext:junit:1.1.1'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
     //butterknife依赖
-    implementation 'com.jakewharton:butterknife:8.8.1'
-    annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
+    implementation 'com.jakewharton:butterknife:10.2.1'
+    annotationProcessor 'com.jakewharton:butterknife-compiler:10.2.1'
+    //状态栏侵染
+
+    // 基础依赖包，必须要依赖
+    implementation 'com.gyf.immersionbar:immersionbar:3.0.0'
+    implementation 'com.gyf.immersionbar:immersionbar-components:3.0.0'
 
 
     //网络框架