Toast need run on UI thread

Author: chenqiuwei

app/src/main/java/com/huawei/hms/ads/sdk/InterstitialActivity.java

@@ -63,22 +63,22 @@ public void onClick(View v) {
         @Override
         public void onAdLoaded() {
             super.onAdLoaded();
-            Toast.makeText(InterstitialActivity.this, "Ad loaded", Toast.LENGTH_SHORT).show();
+            showToast("Ad loaded");
+
             // Display an interstitial ad.
             showInterstitial();
         }
 
         @Override
         public void onAdFailed(int errorCode) {
-            Toast.makeText(InterstitialActivity.this, "Ad load failed with error code: " + errorCode,
-                    Toast.LENGTH_SHORT).show();
+            showToast("Ad load failed with error code: " + errorCode);
             Log.d(TAG, "Ad load failed with error code: " + errorCode);
         }
 
         @Override
         public void onAdClosed() {
             super.onAdClosed();
-            Toast.makeText(InterstitialActivity.this, "Ad closed", Toast.LENGTH_SHORT).show();
+            showToast("Ad closed");
             Log.d(TAG, "onAdClosed");
         }
 
@@ -117,7 +117,16 @@ private void showInterstitial() {
         if (interstitialAd != null && interstitialAd.isLoaded()) {
             interstitialAd.show(this);
         } else {
-            Toast.makeText(this, "Ad did not load", Toast.LENGTH_SHORT).show();
+            showToast("Ad did not load");
         }
     }
+
+    private void showToast(final String text) {
+        runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                Toast.makeText(InterstitialActivity.this, text, Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
 }

app/src/main/java/com/huawei/hms/ads/sdk/RewardActivity.java

@@ -87,15 +87,12 @@ private void loadRewardAd() {
         RewardAdLoadListener rewardAdLoadListener = new RewardAdLoadListener() {
             @Override
             public void onRewardAdFailedToLoad(int errorCode) {
-                Toast
-                    .makeText(RewardActivity.this, "onRewardAdFailedToLoad " + "errorCode is :" + errorCode,
-                        Toast.LENGTH_SHORT)
-                    .show();
+                showToast("onRewardAdFailedToLoad " + "errorCode is :" + errorCode);
             }
 
             @Override
             public void onRewardedLoaded() {
-                Toast.makeText(RewardActivity.this, "onRewardedLoaded", Toast.LENGTH_SHORT).show();
+                showToast("onRewardedLoaded");
             }
         };
 
@@ -110,20 +107,19 @@ private void rewardAdShow() {
             rewardedAd.show(RewardActivity.this, new RewardAdStatusListener() {
                 @Override
                 public void onRewardAdClosed() {
+                    showToast("onRewardAdClosed");
+
                     loadRewardAd();
                 }
 
                 @Override
                 public void onRewardAdFailedToShow(int errorCode) {
-                    Toast
-                        .makeText(RewardActivity.this, "onRewardAdFailedToShow " + "errorCode is :" + errorCode,
-                            Toast.LENGTH_SHORT)
-                        .show();
+                    showToast("onRewardAdFailedToShow " + "errorCode is :" + errorCode);
                 }
 
                 @Override
                 public void onRewardAdOpened() {
-                    Toast.makeText(RewardActivity.this, "onRewardAdOpened", Toast.LENGTH_SHORT).show();
+                    showToast("onRewardAdOpened");
                 }
 
                 @Override
@@ -132,10 +128,7 @@ public void onRewarded(Reward reward) {
                     // takes effect on the server. If no reward information is configured, grant a reward based on the
                     // actual scenario.
                     int addScore = reward.getAmount() == 0 ? defaultScore : reward.getAmount();
-                    Toast
-                        .makeText(RewardActivity.this, "Watch video show finished , add " + addScore + " scores",
-                            Toast.LENGTH_SHORT)
-                        .show();
+                    showToast("Watch video show finished , add " + addScore + " scores");
                     score += addScore;
                     setScore(score);
                     loadRewardAd();
@@ -144,6 +137,15 @@ public void onRewarded(Reward reward) {
         }
     }
 
+    private void showToast(final String text) {
+        runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                Toast.makeText(RewardActivity.this, text, Toast.LENGTH_SHORT).show();
+            }
+        });
+    }
+
     /**
      * Set a score.
      *