diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 4b28a9c9af7ac05eda2f977d2a21752a27648222..d2d2dca7e3ab7bf5538102bf60568491577b9241 100755
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -46,9 +46,8 @@
             android:clearTaskOnLaunch="true"
             android:launchMode="singleTask"
             android:resumeWhilePausing="true"
-            android:screenOrientation="nosensor"
             android:stateNotNeeded="true"
-            android:configChanges="keyboard|keyboardHidden|mcc|mnc|navigation|orientation|screenSize|screenLayout|smallestScreenSize"
+            android:screenOrientation="nosensor"
             android:theme="@style/HomeScreenTheme"
             android:windowSoftInputMode="adjustPan">
             <intent-filter>
diff --git a/app/src/main/java/foundation/e/blisslauncher/core/blur/ShaderBlurDrawable.kt b/app/src/main/java/foundation/e/blisslauncher/core/blur/ShaderBlurDrawable.kt
index e74a2792536bc877b2cb66975b6f30543b1af8d8..e159a35a56dd1c2fd2865cfb6cd807df6bae5ee9 100644
--- a/app/src/main/java/foundation/e/blisslauncher/core/blur/ShaderBlurDrawable.kt
+++ b/app/src/main/java/foundation/e/blisslauncher/core/blur/ShaderBlurDrawable.kt
@@ -1,16 +1,12 @@
 package foundation.e.blisslauncher.core.blur
 
-import android.graphics.Bitmap
-import android.graphics.BitmapShader
-import android.graphics.Canvas
-import android.graphics.ColorFilter
-import android.graphics.Paint
-import android.graphics.Path
-import android.graphics.PixelFormat
-import android.graphics.RectF
-import android.graphics.Shader
+
+import android.graphics.*
 import android.graphics.drawable.Drawable
 import foundation.e.blisslauncher.core.DeviceProfile
+import android.graphics.Bitmap
+import android.graphics.RectF
+import android.os.Build
 
 class ShaderBlurDrawable internal constructor(private val blurWallpaperProvider: BlurWallpaperProvider) :
     Drawable(), BlurWallpaperProvider.Listener {
@@ -37,7 +33,6 @@ class ShaderBlurDrawable internal constructor(private val blurWallpaperProvider:
                 }
             }
         }
-
     var noRadius = true
 
 
@@ -50,22 +45,26 @@ class ShaderBlurDrawable internal constructor(private val blurWallpaperProvider:
         if(blurBitmap == null) {
             blurBitmap = blurWallpaperProvider.placeholder
         }
+
         blurBitmap =
             if (blurBitmap!!.height > (blurBounds.bottom.toInt() - blurBounds.top.toInt())) {
-
-                Bitmap.createBitmap(
-                    blurBitmap!!,
-                    blurBounds.left.toInt(), blurBounds.top.toInt(),
-                    blurBounds.right.toInt() - blurBounds.left.toInt(),
-                    blurBounds.bottom.toInt() - blurBounds.top.toInt()
-                )
+                if (Build.VERSION.SDK_INT > Build.VERSION_CODES.N_MR1) {
+                    Bitmap.createBitmap(
+                            blurBitmap!!,
+                            blurBounds.left.toInt(), blurBounds.top.toInt(),
+                            blurBounds.right.toInt() - blurBounds.left.toInt(),
+                            blurBounds.bottom.toInt() - blurBounds.top.toInt()
+                    )
+                }
+                else{
+                    getCropBitmapByCPU(blurBitmap!!,blurBounds)
+                }
             } else {
                 blurBitmap
             }
 
         //setupBlurPath()
 
-        //canvas.translate(0f, -1500f)
         if (noRadius) {
             canvas.drawRect(
                 0f, 0f,
@@ -78,6 +77,29 @@ class ShaderBlurDrawable internal constructor(private val blurWallpaperProvider:
         //canvas.translate(0f, 1500f)
     }
 
+    private fun getCropBitmapByCPU(source: Bitmap, cropRectF: RectF): Bitmap? {
+        val resultBitmap = Bitmap.createBitmap(cropRectF.width().toInt(),
+         cropRectF.height().toInt(), Bitmap.Config.ARGB_8888);
+        val canvas = Canvas(resultBitmap);
+
+        // draw background
+        val paint =  Paint(Paint.FILTER_BITMAP_FLAG);
+        paint.setColor(Color.WHITE);
+        canvas.drawRect(//from  w w  w. ja v  a  2s. c  om
+                 RectF(0F, 0F, cropRectF.width(), cropRectF.height()),
+        paint);
+
+        val matrix =  Matrix();
+        matrix.postTranslate(-cropRectF.left, -cropRectF.top);
+
+        canvas.drawBitmap(source, matrix, paint);
+
+        if (source != null && !source.isRecycled()) {
+            source.recycle();
+        }
+        return resultBitmap;
+    }
+
     override fun setAlpha(alpha: Int) {
         blurAlpha = alpha
         blurPaint.alpha = alpha
diff --git a/app/src/main/java/foundation/e/blisslauncher/core/customviews/InsettableScrollLayout.java b/app/src/main/java/foundation/e/blisslauncher/core/customviews/InsettableScrollLayout.java
index 438e4b29c9027a5a6fd99321a553e6023896f545..da9a1b564ed12888439c07fe837e0f7271d17004 100644
--- a/app/src/main/java/foundation/e/blisslauncher/core/customviews/InsettableScrollLayout.java
+++ b/app/src/main/java/foundation/e/blisslauncher/core/customviews/InsettableScrollLayout.java
@@ -23,10 +23,14 @@ public class InsettableScrollLayout extends ScrollView implements Insettable {
 
     @Override
     public void setInsets(WindowInsets insets) {
-        int top = getPaddingTop();
-        int left = getPaddingLeft();
-        int right = getPaddingRight();
-        int bottom = getPaddingBottom();
-        setPadding(left, top, right, bottom + insets.getSystemWindowInsetBottom());
+        try {
+            int top = getPaddingTop();
+            int left = getPaddingLeft();
+            int right = getPaddingRight();
+            int bottom = getPaddingBottom();
+            setPadding(left, top, right, bottom + insets.getSystemWindowInsetBottom());
+        }catch (Exception e){
+            e.printStackTrace();
+        }
     }
 }
diff --git a/app/src/main/java/foundation/e/blisslauncher/core/events/EventRelay.java b/app/src/main/java/foundation/e/blisslauncher/core/events/EventRelay.java
index 4587951ab8091d903939a14e523233f752e91a51..85c7d7a20598019997da8715ef10981fb22eecc6 100644
--- a/app/src/main/java/foundation/e/blisslauncher/core/events/EventRelay.java
+++ b/app/src/main/java/foundation/e/blisslauncher/core/events/EventRelay.java
@@ -52,9 +52,13 @@ public class EventRelay {
     }
 
     public void unsubscribe() {
-        if (this.observer != null) {
-            observer.clear();
-            observer = null;
+        try {
+            if (this.observer != null) {
+                observer.clear();
+                observer = null;
+            }
+        }catch(Exception e){
+            e.printStackTrace();
         }
     }
 
diff --git a/app/src/main/java/foundation/e/blisslauncher/features/launcher/LauncherActivity.java b/app/src/main/java/foundation/e/blisslauncher/features/launcher/LauncherActivity.java
index 2e90a097a3e4e284b82cc15f4c5ebf64f8381f54..9133268c9a26433b95da8706531320889861c2c7 100755
--- a/app/src/main/java/foundation/e/blisslauncher/features/launcher/LauncherActivity.java
+++ b/app/src/main/java/foundation/e/blisslauncher/features/launcher/LauncherActivity.java
@@ -479,7 +479,9 @@ public class LauncherActivity extends AppCompatActivity implements
         ManagedProfileBroadcastReceiver.unregister(this, managedProfileReceiver);
         LocalBroadcastManager.getInstance(this).unregisterReceiver(mWeatherReceiver);
         getCompositeDisposable().dispose();
-        events.unsubscribe();
+        if(events!=null) {
+            events.unsubscribe();
+        }
         BlissLauncher.getApplication(this).getAppProvider().clear();
     }
 
@@ -1259,6 +1261,7 @@ public class LauncherActivity extends AppCompatActivity implements
         return grid;
     }
 
+    @SuppressLint("ClickableViewAccessibility")
     private void createWidgetsPage() {
         widgetsPage = (FrameLayout) getLayoutInflater().inflate(R.layout.widgets_page,
                 mHorizontalPager, false);
@@ -2016,6 +2019,7 @@ public class LauncherActivity extends AppCompatActivity implements
             public boolean onDrag(View view, DragEvent dragEvent) {
                 if (dragEvent.getAction() == DragEvent.ACTION_DRAG_STARTED) {
                     isDragging = true;
+
                     if (mWobblingCountDownTimer != null) {
                         mWobblingCountDownTimer.cancel();
                     }