usage: display bar chart for screen time

Signed-off-by: Muntashir Al-Islam <muntashirakon@riseup.net>

Author: MuntashirAkon

app/src/main/java/io/github/muntashirakon/AppManager/usage/AppUsageAdapter.java

@@ -43,13 +43,15 @@ static class ListHeaderViewHolder extends RecyclerView.ViewHolder {
         final MaterialTextView usageIntervalView;
         final MaterialButton previousButton;
         final MaterialButton nextButton;
+        final BarChartView barChartView;
 
         public ListHeaderViewHolder(@NonNull View itemView) {
             super(itemView);
             screenTimeView = itemView.findViewById(R.id.screen_time);
             usageIntervalView = itemView.findViewById(R.id.time);
             previousButton = itemView.findViewById(R.id.action_previous);
             nextButton = itemView.findViewById(R.id.action_next);
+            barChartView = itemView.findViewById(R.id.bar_chart);
         }
     }
 
@@ -149,6 +151,11 @@ public void onBindViewHolder(@NonNull ListHeaderViewHolder holder) {
         holder.nextButton.setVisibility(UsageUtils.hasNextDay(date) ? View.VISIBLE : View.INVISIBLE);
         holder.nextButton.setOnClickListener(v -> mActivity.viewModel.loadNext());
         holder.previousButton.setOnClickListener(v -> mActivity.viewModel.loadPrevious());
+        if (intervalType == IntervalType.INTERVAL_DAILY) {
+            UsageDataProcessor.updateChartWithHourlyAppUsage(holder.barChartView, mActivity.viewModel.getPackageUsageEntries(), date);
+        } else {
+            UsageDataProcessor.updateChartWithDailyAppUsage(holder.barChartView, mActivity.viewModel.getPackageUsageEntries(), date);
+        }
     }
 
     public void onBindViewHolder(@NonNull ListItemViewHolder holder, int position) {

app/src/main/java/io/github/muntashirakon/AppManager/usage/AppUsageStatsManager.java

@@ -366,6 +366,7 @@ private List<PackageUsageInfo> getUsageStatsInternal(@NonNull TimeInterval inter
             if (wifiData.containsKey(uid)) {
                 packageUsageInfo.wifiData = wifiData.get(uid);
             } else packageUsageInfo.wifiData = DataUsage.EMPTY;
+            packageUsageInfo.entries = usage.entries;
             screenTimeList.add(packageUsageInfo);
         }
         return screenTimeList;

app/src/main/java/io/github/muntashirakon/AppManager/usage/AppUsageViewModel.java

@@ -25,6 +25,7 @@ public class AppUsageViewModel extends AndroidViewModel {
     private final MutableLiveData<List<PackageUsageInfo>> mPackageUsageInfoListLiveData = new MutableLiveData<>();
     private final MutableLiveData<PackageUsageInfo> mPackageUsageInfoLiveData = new MutableLiveData<>();
     private final List<PackageUsageInfo> mPackageUsageInfoList = Collections.synchronizedList(new ArrayList<>());
+    private final List<PackageUsageInfo.Entry> mPackageUsageEntries = Collections.synchronizedList(new ArrayList<>());
 
     private long mTotalScreenTime;
     private boolean mHasMultipleUsers;
@@ -45,6 +46,10 @@ public LiveData<PackageUsageInfo> getPackageUsageInfo() {
         return mPackageUsageInfoLiveData;
     }
 
+    public List<PackageUsageInfo.Entry> getPackageUsageEntries() {
+        return mPackageUsageEntries;
+    }
+
     public void setCurrentDate(long currentDate) {
         mCurrentDate = currentDate;
         loadPackageUsageInfoList();
@@ -113,7 +118,11 @@ public void loadPackageUsageInfoList() {
             }
             mTotalScreenTime = 0;
             Set<Integer> users = new HashSet<>(3);
+            mPackageUsageEntries.clear();
             for (PackageUsageInfo appItem : mPackageUsageInfoList) {
+                if (appItem.entries != null) {
+                    mPackageUsageEntries.addAll(appItem.entries);
+                }
                 mTotalScreenTime += appItem.screenTime;
                 users.add(appItem.userId);
             }