1.解决ad72e265c1提交导致从二级菜单进入第三方应用按返回退出失败，多次按返回键和Home键二级菜单抛空指针Launcher界面奔溃或卡死异常的问题

app/src/main/java/com/ik/mboxlauncher/ui/CategoryActivity.java

@@ -30,7 +30,9 @@ public class CategoryActivity extends FragmentActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
+        if(FragmentManager.getInstance()==null){
             FragmentManager.init(this,this);
+        }
         super.onCreate(savedInstanceState);
     }
 
@@ -45,6 +47,7 @@ public class CategoryActivity extends FragmentActivity {
         if(bundle!=null){
             mAction=bundle.getString("action");
         }
+        if(FragmentManager.getInstance()==null) return;
         if(RecommendFragment.ACTION.equals(mAction)){
             showFragment(FragmentManager.getInstance().getFragmentByTag(FragmentManager.RECOMMEND_APPS_TAG),false);
         }else if(MusicFragment.ACTION.equals(mAction)){
@@ -76,8 +79,10 @@ public class CategoryActivity extends FragmentActivity {
 
     @Override
     public void setFragmentsDisableRefreshDataFlag() {
+        if(FragmentManager.getInstance()!=null){
             FragmentManager.getInstance().pressBackUpdateAllFragmentDisableRefreshDataFlag();
         }
+    }
 
     @Override
     public void popBackStackFragment() {
@@ -86,6 +91,7 @@ public class CategoryActivity extends FragmentActivity {
 
     @Override
     public void onDoneEvents(MessageEvent messageEvent) {
+        if(FragmentManager.getInstance() == null) return;
        if(MusicFragment.ACTION.equals(messageEvent.action)){
             showFragment(FragmentManager.getInstance().getFragmentByTag(FragmentManager.MUSIC_APPS_TAG),false);
         }else if(RecommendFragment.ACTION.equals(messageEvent.action)){
@@ -109,7 +115,9 @@ public class CategoryActivity extends FragmentActivity {
     private void onResumeResetDisableFreshDataFlag() {
         if(SharedPreferencesUtil.getSharePrefrencesBoolean(this,SharedPreferencesUtil.CONFIG_RESET_DISABLE_FRESHDATA_FLAG)){
             SharedPreferencesUtil.setSharePrefrencesBoolean(this,SharedPreferencesUtil.CONFIG_RESET_DISABLE_FRESHDATA_FLAG,false);
+            if(FragmentManager.getInstance()!=null){
                 FragmentManager.getInstance().pressBackUpdateAllFragmentDisableRefreshDataFlag();
+            }
             if(currentFragment!=null){
                 currentFragment.onResumeFragment(new MessageEvent());
             }
@@ -143,7 +151,9 @@ public class CategoryActivity extends FragmentActivity {
 
     @Override
     protected void onDestroy() {
+        if(FragmentManager.getInstance()!=null){
             FragmentManager.getInstance().destory();
+        }
         super.onDestroy();
     }
 
@@ -154,19 +164,25 @@ public class CategoryActivity extends FragmentActivity {
         LogUtils.loge("onKeyDown===>"+keyCode);
 
         if(keyCode==KeyEvent.KEYCODE_BACK){
-            if(currentFragment.onKeyDown(keyCode,event)){
+            if(currentFragment!=null&&currentFragment.onKeyDown(keyCode,event)){
                 return true;
             }else {
                 //currentFragment.resetDisableRefreshDataFlag();
+                if(FragmentManager.getInstance()!=null){
                     FragmentManager.getInstance().pressBackUpdateAllFragmentDisableRefreshDataFlag();
+                }
                 return super.onKeyDown(keyCode,event);
             }
         }
         if(keyCode==KeyEvent.KEYCODE_HOME){
             LogUtils.loge("onKeyDown===>KEYCODE_HOME");
+            if(currentFragment!=null){
                 currentFragment.onDetach();
+            }
+            if(FragmentManager.getInstance()!=null){
                 FragmentManager.getInstance().pressBackUpdateAllFragmentDisableRefreshDataFlag();
             }
+        }
         return super.onKeyDown(keyCode,event);
 
     }

app/src/main/java/com/ik/mboxlauncher/ui/MyApplication.java

@@ -34,8 +34,9 @@ public class MyApplication extends Application {
                 logCrash(throwable);
 
                 // 可选：重启应用或结束进程
-                restartApp();
+                //restartApp();
                 android.os.Process.killProcess(android.os.Process.myPid());
+                System.exit(10);
             }
         });
 

app/src/main/java/com/ik/mboxlauncher/ui/fragment/AppsFragment.java

@@ -94,8 +94,10 @@ public class AppsFragment extends CategoryFragment {
                     List<AppBean> appBeanList = (List<AppBean>) data;
                     // 创建过滤后的列表
                     List<AppBean> filteredList = new ArrayList<>();
-                    String selfPackageName = FragmentManager.getInstance().getPackageName();;
+                    String selfPackageName = "com.droidlogic.mboxlauncher";
-
+                    if(FragmentManager.getInstance()!=null){
+                        selfPackageName = FragmentManager.getInstance().getPackageName();
+                    }
                     for (AppBean appBean : appBeanList) {
                         // 跳过自身应用
                         if (appBean.getPackageName().equals(selfPackageName) || appBean.getPackageName().equals("com.android.traceur")) {