1.修改课程表界面

pages/components/SchedulePage.js

@@ -19,6 +19,7 @@ import {
   findNodeHandle,
   UIManager,
   StatusBar,
+  BackHandler,
   Button,
   DeviceEventEmitter
 } from "react-native";
@@ -262,10 +263,35 @@ export default class SchedulePage extends BasePage {
   }
 
   componentWillMount() {
-    // BackAndroid.addEventListener("hardwareBackPress", this.onBackAndroid);
+    BackHandler.addEventListener(
+      "hardwareBackPress",
+      this.onBackAndroid.bind(this)
+    );
+  }
+  componentWillUnmount() {
+    BackHandler.removeEventListener(
+      "hardwareBackPress",
+      this.onBackAndroid.bind(this)
+    );
   }
   onBackAndroid() {
-    alert("返回");
+    if (this.state.isFull) {
+      Orientation.lockToPortrait();
+      this.setState({
+        // title_height: "6%",
+        video_frame_height: "32%",
+        // seat_height: "2%",
+        // flatlist_height: "60%",
+        x: this.state.videoImage_x,
+        y: this.state.videoImage_y,
+        video_width: this.state.videoImage_width,
+        video_height: this.state.videoImage_height,
+        statusbar_hidden: false,
+        isFull: false
+      });
+      return true;
+    } else {
+    }
   }
   onError() {
     alert("播放器异常");
@@ -281,10 +307,7 @@ export default class SchedulePage extends BasePage {
     if (!this.state.isFull) {
       Orientation.lockToLandscape();
       this.setState({
-        // title_height: "0%",
         video_frame_height: "100%",
-        // seat_height: "0%",
-        // flatlist_height: "0%",
         statusbar_hidden: true,
         isFull: true,
         x: 0,
@@ -295,10 +318,7 @@ export default class SchedulePage extends BasePage {
     } else {
       Orientation.lockToPortrait();
       this.setState({
-        // title_height: "6%",
         video_frame_height: "32%",
-        // seat_height: "2%",
-        // flatlist_height: "60%",
         x: this.state.videoImage_x,
         y: this.state.videoImage_y,
         video_width: this.state.videoImage_width,