From 9ac7cf86f3e4116ec0a5a2ba2637dd7855ddf65e Mon Sep 17 00:00:00 2001
From: tongtongstudio <tongtongstudio@outlook.com>
Date: Tue, 4 Nov 2025 09:20:39 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96viewpager=20=E4=B8=BB?=
 =?UTF-8?q?=E9=A1=B5=E7=9A=84=E9=97=AE=E9=A2=98?=
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---
 .../dialer/activity/main/MainActivity.java    | 34 ++++++++++++++++---
 1 file changed, 30 insertions(+), 4 deletions(-)

diff --git a/app/src/main/java/com/ttstd/dialer/activity/main/MainActivity.java b/app/src/main/java/com/ttstd/dialer/activity/main/MainActivity.java
index 0031c14..ff350fe 100644
--- a/app/src/main/java/com/ttstd/dialer/activity/main/MainActivity.java
+++ b/app/src/main/java/com/ttstd/dialer/activity/main/MainActivity.java
@@ -5,6 +5,7 @@ import android.util.Log;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.lifecycle.Observer;
+import androidx.viewpager.widget.ViewPager;
 
 import com.tencent.mmkv.MMKV;
 import com.ttstd.dialer.R;
@@ -37,7 +38,8 @@ public class MainActivity extends BaseMvvmActivity<MainViewModel, ActivityMainBi
     private ContactFragment mContactFragment;
     private HomeFragment mHomeFragment;
 
-    private int mCurrentIndex = 0;
+    private int mDefaultIndex = 0;
+    private int mCurrentIndex = -1;
     private int mFragmentSize = 0;
 
     private int APK_PER_FRAGMENT = 9;
@@ -81,12 +83,12 @@ public class MainActivity extends BaseMvvmActivity<MainViewModel, ActivityMainBi
             mSettingsFragment = new SettingsFragment();
             mFragments.add(mSettingsFragment);
             mFragmentSize += 1;
-            mCurrentIndex += 1;
+            mDefaultIndex += 1;
         }
 
         boolean contactHome = mMMKV.decodeBool(CommonConfig.CONTACT_HOME_PAGE, false);
         if (!contactHome) {
-            mCurrentIndex += 1;
+            mDefaultIndex += 1;
         }
         if (mContactFragment == null) {
             mContactFragment = new ContactFragment();
@@ -114,13 +116,36 @@ public class MainActivity extends BaseMvvmActivity<MainViewModel, ActivityMainBi
 
         mViewDataBinding.viewPager.setAdapter(mApkPagerAdapter);
         mViewDataBinding.viewPager.setOffscreenPageLimit(10);
-        mViewDataBinding.viewPager.setCurrentItem(mCurrentIndex);
+        mViewDataBinding.viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
+            @Override
+            public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
+                Log.e(TAG, "onPageScrolled: position = " + position);
+                if (mCurrentIndex == -1 && position == 0) {
+                    mViewDataBinding.viewPager.setCurrentItem(mDefaultIndex);
+                    mCurrentIndex = mDefaultIndex;
+                } else {
+                    mCurrentIndex = position;
+                }
+            }
 
+            @Override
+            public void onPageSelected(int position) {
+                Log.e(TAG, "onPageSelected: position = " + position);
+            }
+
+            @Override
+            public void onPageScrollStateChanged(int state) {
+                Log.e(TAG, "onPageScrollStateChanged: state = " + state);
+            }
+        });
         mViewDataBinding.magicIndicator.setNavigator(mScaleCircleNavigator);
         ViewPagerHelper.bind(mViewDataBinding.magicIndicator, mViewDataBinding.viewPager);
+        mViewDataBinding.viewPager.setCurrentItem(mDefaultIndex);
 
         Log.e(TAG, "initView: mCurrentIndex = " + mCurrentIndex);
+        Log.e(TAG, "initView: mDefaultIndex = " + mDefaultIndex);
         Log.e(TAG, "initView: mFragmentSize = " + mFragmentSize);
+
     }
 
     @Override
@@ -169,6 +194,7 @@ public class MainActivity extends BaseMvvmActivity<MainViewModel, ActivityMainBi
         mScaleCircleNavigator.notifyDataSetChanged();
 
         mApkPagerAdapter.setFragments(mFragments);
+        mViewDataBinding.viewPager.setCurrentItem(mCurrentIndex);
     }
 
     public class BtnClick {