Java 保持android进度条或继续它

我想知道如何保持我的progressbar或简历的状态。让我解释一下，它是一个带有进度条的计时器，当用户关闭活动或关闭活动时，计时器作为后台服务启动（计时器工作正常），我希望当用户关闭活动或关闭应用程序时，当他返回时，进度条将恢复到原来的位置。现在，当它返回到计时器时，进度条返回到零。这是我的适配器代码，在这里进行课程和计时器服务

这是我保存进度条状态的方法

private static SharedPreferences.Editor pref;
private static int saveProgressBarState;
private static SharedPreferences getProgressBarState;

private CountDownTimer countDown(final long time, final ProgressBar lessonProgress, long originalTimerSize) {

        final int timerLengthInSecond = (int) time / 1_000;

        lessonProgress.setMax((int) originalTimerSize / 1_000);

        return new CountDownTimer(time, 1000) {
            @Override
            public void onTick(long l) {

                long secondRemaining = l / 1_000;

                lessonProgress.setProgress((int) (timerLengthInSecond - secondRemaining));

                //Getting progress of progress bar
                saveProgressBarState = lessonProgress.getProgress();

            }

            @Override
            public void onFinish() {

                lessonProgress.setProgress(timerLengthInSecond);
            }
        };

    }

//this method is called when onPause() is called on the activity
public static void runLessonTimerInBackground(Context context) {

        pref = context.getSharedPreferences("LESSONPROGRESS", MODE_PRIVATE).edit();
        pref.putInt("savedprogress", progressBarStateSave);
        pref.apply();

    }

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我想获得保存的progressbarstate并恢复原来的进度，然后继续进度

您需要在

onResume（）中添加这些链接

我假设您可以调整并将其应用到

课程的实际进度中

int lastProgress = pref.getInt("savedprogress", 0); //0 is default value

lessonProgress.setProgress(lastProgress); //this will set the progress

//here you might also need to do some other stuff related to your code and req
//you can also resume your lesson video from here, etc.

如果您想在sharePref中保存多个课程进度，我建议您像这样保存进度

String progressPrefName = "savedProgress_" + lessonID; //here lessonID is lesson's unique ID
pref.putInt(progressPrefName, progressBarStateSave); // here pass the name which can be "savedProgress_1" referring to lesson with ID 1

然后你可以像这样得到它

String progressPrefName = "savedProgress_" + lessonID; 

int lastProgress = pref.getInt(progressPrefName, 0); //0 is default value

lessonProgress.setProgress(lastProgress); //this will set the progress

---

你需要在你的

onResume（）中添加这些链接

int lastProgress = pref.getInt("savedprogress", 0); //0 is default value

lessonProgress.setProgress(lastProgress); //this will set the progress

//here you might also need to do some other stuff related to your code and req
//you can also resume your lesson video from here, etc.

如果您想在sharePref中保存多个课程进度，我建议您像这样保存进度

String progressPrefName = "savedProgress_" + lessonID; //here lessonID is lesson's unique ID
pref.putInt(progressPrefName, progressBarStateSave); // here pass the name which can be "savedProgress_1" referring to lesson with ID 1

然后你可以像这样得到它

String progressPrefName = "savedProgress_" + lessonID; 

int lastProgress = pref.getInt(progressPrefName, 0); //0 is default value

lessonProgress.setProgress(lastProgress); //this will set the progress

---

将progressBar位置保存到，获取

onResume（）上的位置并设置it@RahulGaur我在SharedReferences中使用getProgress（）方法保存计时器进度条状态，如何恢复并继续进度？@RahulGaur我编辑过请check@RahulGauronResume（）中仍然没有任何内容。我无法参加这个聚会。我请求帮助以便能够完成此部分将progressBar位置保存到，在
onResume（）上获取位置并设置it@RahulGaur我在SharedReferences中使用getProgress（）方法保存计时器进度条状态，如何恢复并继续进度？@RahulGaur我编辑过请check@RahulGauronResume（）中仍然没有任何内容这是我办不到的聚会。我请求帮助来完成这部分