warning

app/src/main/java/com/xplora/xplauncher/activity/MainActivity.java

@@ -17,27 +17,19 @@ import com.xplora.xplauncher.adapter.RecyclerAdapter;
 import com.xplora.xplauncher.adapter.ViewPagerAdapter;
 import com.xplora.xplauncher.broadcast.TimeBroadcastReceiver;
 import com.xplora.xplauncher.data.DataManager;
-import com.xplora.xplauncher.data.MetaData;
 import com.xplora.xplauncher.model.AppModel;
 import com.xplora.xplauncher.model.ContactModel;
 import com.xplora.xplauncher.utils.Constant;
-import com.xplora.xplauncher.activity.AppsPager;
-import com.xplora.xplauncher.activity.BasePager;
-import com.xplora.xplauncher.activity.ContactsPager;
-import com.xplora.xplauncher.activity.HomePager;
 
 import java.util.ArrayList;
 import java.util.List;
 
 public class MainActivity extends BaseActivity {
-
-    private ViewPager mViewPager;
-    private List<View> mPagesDatas = new ArrayList<>();
-    private List mPagerViews = new ArrayList<>();
-    private ViewPagerAdapter mViewPagerAdapter = null;
-    
-    private int mAppTitleStatus = 1;
+    private final int mAppTitleStatus = 1;
     private int mDeleteBtnStatus = 0;
+    private final List<View> mPagesDatas = new ArrayList<>();
+    private final List<Object> mPagerViews = new ArrayList<>();
+    private ViewPagerAdapter mViewPagerAdapter = null;
     private TimeBroadcastReceiver mTimeReceiver = null;
 
     @Override
@@ -74,11 +66,11 @@ public class MainActivity extends BaseActivity {
         //apps
         initInstalledAppsPager();
 
-        mViewPager = (ViewPager)findViewById(R.id.viewPager);
+        ViewPager viewPager = (ViewPager) findViewById(R.id.viewPager);
         mViewPagerAdapter = new ViewPagerAdapter(mPagesDatas);//创建适配器对象
-        mViewPager.setAdapter(mViewPagerAdapter);//设置适配器
-        mViewPager.setCurrentItem(Constant.HOME_INDEX);
-        mViewPager.addOnPageChangeListener(new ViewPageChangeListener());
+        viewPager.setAdapter(mViewPagerAdapter);//设置适配器
+        viewPager.setCurrentItem(Constant.HOME_INDEX);
+        viewPager.addOnPageChangeListener(new ViewPageChangeListener());
     }
 
     private void initContactsPager() {

app/src/main/res/layout/activity_main.xml

@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
@@ -13,4 +12,18 @@
         tools:ignore="MissingConstraints"
         />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+    <Button
+        android:id="@+id/button_warning"
+        android:layout_width="70dp"
+        android:layout_height="30dp"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="13dp"
+        android:background="@color/xp_red"
+        android:textColor="@color/white"
+        android:textFontWeight="900"
+        android:textSize="9dp"
+        android:text="No SIM"
+        android:visibility="gone"
+        />
+
+</RelativeLayout>