feat:修复绘本页闪退问题

liangchengyou
1 parent d5e7df44
Showing 3 changed files with 9 additions and 12 deletions
assets/images/photo_pause.png
lib/pages/reading/bloc/reading_bloc.dart
lib/pages/reading/reading_page.dart
@@ -90,20 +90,16 @@ class ReadingPageBloc extends Bloc&lt;ReadingPageEvent, ReadingPageState&gt; {
       //音频播放器
       audioPlayer = AudioPlayer();
       audioPlayer.onPlayerStateChanged.listen((event) async {
-        debugPrint('播放状态变化');
         if (event == PlayerState.completed) {
-          debugPrint('播放完成');
           _voicePlayState = VoicePlayState.completed;
           _onAudioPlayComplete();
         }
         if (event == PlayerState.stopped) {
-          debugPrint('播放结束');
           _voicePlayState = VoicePlayState.stop;
           _onAudioPlayComplete();
         }
         if (event == PlayerState.playing) {
-          debugPrint('正在播放中');
           _voicePlayState = VoicePlayState.playing;
         }
         if (isClosed) {
@@ -261,6 +257,9 @@ class ReadingPageBloc extends Bloc&lt;ReadingPageEvent, ReadingPageState&gt; {
   }
   CourseProcessReadings? currentPageData() {
+    if ((_entity?.readings?.length??0) - 1 < _currentPage) {
+      return null;
+    }
     return _entity?.readings?[_currentPage];
   }
@@ -338,7 +337,7 @@ class ReadingPageBloc extends Bloc&lt;ReadingPageEvent, ReadingPageState&gt; {
       nextPage();
     }
-    Log.d("_onAudioPlayComplete _isOriginAudioPlaying=${_isOriginAudioPlaying} _voicePlayState=$_voicePlayState recordUrl=${currentPageData()?.recordUrl?.isNotEmpty}");
+    Log.d("_onAudioPlayComplete _isOriginAudioPlaying=$_isOriginAudioPlaying _voicePlayState=$_voicePlayState recordUrl=${currentPageData()?.recordUrl?.isNotEmpty}");
     if (_isOriginAudioPlaying && _voicePlayState == VoicePlayState.completed && currentPageData()?.recordUrl?.isNotEmpty != true) {
       ///如果刚刚完成原音播放&&录音为空,则开始录音
       startRecord(currentPageData()?.word ?? '');
@@ -358,7 +357,7 @@ class ReadingPageBloc extends Bloc&lt;ReadingPageEvent, ReadingPageState&gt; {
     OnXSVoiceStateChangeEvent event,
       Emitter<ReadingPageState> emitter
   ) async {
-      emit(XSVoiceTestState());
+      emitter(XSVoiceTestState());
   }
 }
@@ -118,8 +118,7 @@ class _ReadingPage extends StatelessWidget {
                     ),
                     Padding(
-                      padding: EdgeInsets.only(
-                          right: 15.w + ScreenUtil().bottomBarHeight),
+                      padding: EdgeInsets.only(right: 15.w + ScreenUtil().bottomBarHeight),
                       child: GestureDetector(
                         onTap: () {
                           bloc.add(CurrentModeChangeEvent());
@@ -233,13 +232,12 @@ class _ReadingPage extends StatelessWidget {
         );
       });
-  Widget _readingPagerItem(CourseProcessReadings readings) =>
-      BlocBuilder<ReadingPageBloc, ReadingPageState>(builder: (context, state) {
+  Widget _readingPagerItem(CourseProcessReadings readings) => BlocBuilder<ReadingPageBloc, ReadingPageState>(
+      builder: (context, state) {
         return Stack(
           children: [
             Positioned.fill(
-              child:
-              Image.network(readings.picUrl ?? '', fit: BoxFit.cover),
+              child: Image.network(readings.picUrl ?? '', fit: BoxFit.cover),
             ),
           ],
         );