see 05/05 log

buildApp.gradle

@@ -66,7 +66,7 @@ android {
 
 dependencies {
     // LeakCanary
-    debugImplementation Config.depConfig.leakcanary_android.dep
+    debugImplementation Config.depConfig.leakcanary.dep
 
     debugImplementation Config.depConfig.lib_utildebug.dep
     releaseImplementation Config.depConfig.lib_utildebug_no_op.dep

buildSrc/src/main/groovy/Config.groovy

@@ -67,7 +67,7 @@ class Config {
 
             kotlin                     : new DepConfig("org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlinVersion"),
 
-            leakcanary_android         : new DepConfig("com.squareup.leakcanary:leakcanary-android:2.1"),
+            leakcanary                 : new DepConfig("com.squareup.leakcanary:leakcanary-android:2.1"),
 
             free_proguard              : new DepConfig("com.blankj:free-proguard:1.0.2"),
             swipe_panel                : new DepConfig("com.blankj:swipe-panel:1.2"),

lib/utilcode/src/main/java/com/blankj/utilcode/util/ToastUtils.java

@@ -449,15 +449,26 @@ public final class ToastUtils {
             if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N_MR1) {
                 mWM = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
                 mParams.type = WindowManager.LayoutParams.TYPE_TOAST;
+            } else if (UtilsBridge.isGrantedDrawOverlays()) {
+                mWM = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    mParams.type = WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
+                } else {
+                    mParams.type = WindowManager.LayoutParams.TYPE_PHONE;
+                }
             } else {
                 Context topActivityOrApp = UtilsBridge.getTopActivityOrApp();
                 if (!(topActivityOrApp instanceof Activity)) {
-                    Log.e("ToastUtils", "Couldn't get top Activity.");
+                    Log.w("ToastUtils", "Couldn't get top Activity.");
+                    // try to use system toast
+                    new SystemToast(mToast).show();
                     return;
                 }
                 Activity topActivity = (Activity) topActivityOrApp;
                 if (topActivity.isFinishing() || topActivity.isDestroyed()) {
-                    Log.e("ToastUtils", topActivity + " is useless");
+                    Log.w("ToastUtils", topActivity + " is useless");
+                    // try to use system toast
+                    new SystemToast(mToast).show();
                     return;
                 }
                 mWM = topActivity.getWindowManager();
@@ -465,9 +476,26 @@ public final class ToastUtils {
                 UtilsBridge.addActivityLifecycleCallbacks(topActivity, getActivityLifecycleCallbacks());
             }
 
+            setToastParams();
+
+            try {
+                if (mWM != null) {
+                    mWM.addView(mView, mParams);
+                }
+            } catch (Exception ignored) {/**/}
+
+            UtilsBridge.runOnUiThreadDelayed(new Runnable() {
+                @Override
+                public void run() {
+                    cancel();
+                }
+            }, mToast.getDuration() == Toast.LENGTH_SHORT ? 2000 : 3500);
+        }
+
+        private void setToastParams() {
             mParams.height = WindowManager.LayoutParams.WRAP_CONTENT;
             mParams.width = WindowManager.LayoutParams.WRAP_CONTENT;
-            mParams.format = PixelFormat.TRANSLUCENT;
+            mParams.format = PixelFormat.TRANSPARENT;
             mParams.windowAnimations = android.R.style.Animation_Toast;
             mParams.setTitle("ToastWithoutNotification");
             mParams.flags = WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
@@ -487,19 +515,6 @@ public final class ToastUtils {
             mParams.y = mToast.getYOffset();
             mParams.horizontalMargin = mToast.getHorizontalMargin();
             mParams.verticalMargin = mToast.getVerticalMargin();
-
-            try {
-                if (mWM != null) {
-                    mWM.addView(mView, mParams);
-                }
-            } catch (Exception ignored) {/**/}
-
-            UtilsBridge.runOnUiThreadDelayed(new Runnable() {
-                @Override
-                public void run() {
-                    cancel();
-                }
-            }, mToast.getDuration() == Toast.LENGTH_SHORT ? 2000 : 3500);
         }
 
         private Utils.ActivityLifecycleCallbacks getActivityLifecycleCallbacks() {

lib/utilcode/src/main/java/com/blankj/utilcode/util/UtilsBridge.java

@@ -7,8 +7,10 @@ import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.drawable.Drawable;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Parcelable;
 import android.support.annotation.NonNull;
+import android.support.annotation.RequiresApi;
 import android.support.annotation.RequiresPermission;
 import android.view.View;
 
@@ -399,6 +401,14 @@ class UtilsBridge {
         LanguageUtils.applyLanguage(activity);
     }
 
+    ///////////////////////////////////////////////////////////////////////////
+    // PermissionUtils
+    ///////////////////////////////////////////////////////////////////////////
+    @RequiresApi(api = Build.VERSION_CODES.M)
+    static boolean isGrantedDrawOverlays() {
+        return PermissionUtils.isGrantedDrawOverlays();
+    }
+
     ///////////////////////////////////////////////////////////////////////////
     // ProcessUtils
     ///////////////////////////////////////////////////////////////////////////