From 9ca02567ddcc04f33e2a95348b750151e0a334be Mon Sep 17 00:00:00 2001
From: Hyunyoung Song <hyunyoungs@google.com>
Date: Thu, 7 Feb 2019 19:29:16 +0000
Subject: Revert "Not using reflection for all limit API"

This reverts commit 8baf9214169362ff4afa5f16a5204138949a26a8.

Reason for revert: Constant crash whenever entering recents view

Change-Id: I695aa43686367379b3921a2665db490f6ac983a1
---
 .../quickstep/views/DigitalWellBeingToast.java     | 46 +++++++++++++++-------
 1 file changed, 31 insertions(+), 15 deletions(-)

diff --git a/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java b/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
index 4e8bbe64c..bbcd4255c 100644
--- a/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
+++ b/quickstep/src/com/android/quickstep/views/DigitalWellBeingToast.java
@@ -23,7 +23,6 @@ import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.LauncherApps;
-import android.content.pm.LauncherApps.AppUsageLimit;
 import android.content.res.Resources;
 import android.icu.text.MeasureFormat;
 import android.icu.text.MeasureFormat.FormatWidth;
@@ -45,12 +44,12 @@ import com.android.launcher3.Utilities;
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.systemui.shared.recents.model.Task;
 
+import java.lang.reflect.Method;
 import java.time.Duration;
 import java.util.Locale;
 
 public final class DigitalWellBeingToast extends LinearLayout {
     static final Intent OPEN_APP_USAGE_SETTINGS_TEMPLATE = new Intent(ACTION_APP_USAGE_SETTINGS);
-    private final LauncherApps mLauncherApps;
 
     public interface InitializeCallback {
         void call(float saturation, String contentDescription);
@@ -67,7 +66,6 @@ public final class DigitalWellBeingToast extends LinearLayout {
         setLayoutDirection(Utilities.isRtl(getResources()) ?
                 View.LAYOUT_DIRECTION_RTL : View.LAYOUT_DIRECTION_LTR);
         setOnClickListener((view) -> openAppUsageSettings());
-        mLauncherApps = context.getSystemService(LauncherApps.class);
     }
 
     @Override
@@ -81,29 +79,47 @@ public final class DigitalWellBeingToast extends LinearLayout {
     public void initialize(Task task, InitializeCallback callback) {
         mTask = task;
         Utilities.THREAD_POOL_EXECUTOR.execute(() -> {
-            final AppUsageLimit usageLimit = mLauncherApps.getAppUsageLimit(
-                    task.getTopComponent().getPackageName(),
-                    UserHandle.of(task.key.userId));
+            long appUsageLimitTimeMs = -1;
+            long appRemainingTimeMs = -1;
+
+            try {
+                final Method getAppUsageLimit = LauncherApps.class.getMethod(
+                        "getAppUsageLimit",
+                        String.class,
+                        UserHandle.class);
+                final Object usageLimit = getAppUsageLimit.invoke(
+                        getContext().getSystemService(LauncherApps.class),
+                        task.getTopComponent().getPackageName(),
+                        UserHandle.of(task.key.userId));
+
+                if (usageLimit != null) {
+                    final Class appUsageLimitClass = usageLimit.getClass();
+                    appUsageLimitTimeMs = (long) appUsageLimitClass.getMethod("getTotalUsageLimit").
+                            invoke(usageLimit);
+                    appRemainingTimeMs = (long) appUsageLimitClass.getMethod("getUsageRemaining").
+                            invoke(usageLimit);
+                }
+            } catch (Exception e) {
+                // Do nothing
+            }
 
-            final long appUsageLimitTimeMs =
-                    usageLimit != null ? usageLimit.getTotalUsageLimit() : -1;
-            final long appRemainingTimeMs =
-                    usageLimit != null ? usageLimit.getUsageRemaining() : -1;
+            final long appUsageLimitTimeMsFinal = appUsageLimitTimeMs;
+            final long appRemainingTimeMsFinal = appRemainingTimeMs;
 
             post(() -> {
-                if (appUsageLimitTimeMs < 0) {
+                if (appUsageLimitTimeMsFinal < 0) {
                     setVisibility(GONE);
                 } else {
                     setVisibility(VISIBLE);
-                    mText.setText(getText(appRemainingTimeMs));
-                    mImage.setImageResource(appRemainingTimeMs > 0 ?
+                    mText.setText(getText(appRemainingTimeMsFinal));
+                    mImage.setImageResource(appRemainingTimeMsFinal > 0 ?
                             R.drawable.hourglass_top : R.drawable.hourglass_bottom);
                 }
 
                 callback.call(
-                        appUsageLimitTimeMs >= 0 && appRemainingTimeMs <= 0 ? 0 : 1,
+                        appUsageLimitTimeMsFinal >= 0 && appRemainingTimeMsFinal <= 0 ? 0 : 1,
                         getContentDescriptionForTask(
-                                task, appUsageLimitTimeMs, appRemainingTimeMs));
+                                task, appUsageLimitTimeMsFinal, appRemainingTimeMsFinal));
             });
         });
     }
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