fix: 修复一些 Bug

app/src/main/java/com/huanchengfly/tieba/post/BaseApplication.kt

@@ -27,6 +27,8 @@ import androidx.appcompat.app.AppCompatDelegate
 import com.github.gzuliyujiang.oaid.DeviceID
 import com.github.gzuliyujiang.oaid.DeviceIdentifier
 import com.github.gzuliyujiang.oaid.IGetter
+import com.github.piasy.biv.BigImageViewer
+import com.github.piasy.biv.loader.glide.GlideImageLoader
 import com.huanchengfly.tieba.post.activities.BaseActivity
 import com.huanchengfly.tieba.post.api.interfaces.CommonCallback
 import com.huanchengfly.tieba.post.components.dialogs.LoadingDialog
@@ -76,6 +78,7 @@ class BaseApplication : Application(), IApp {
     override fun onCreate() {
         instance = this
         super.onCreate()
+        BigImageViewer.initialize(GlideImageLoader.with(this))
         DeviceIdentifier.register(this)
         DeviceID.getOAID(this, object : IGetter {
             override fun onOAIDGetComplete(result: String) {

app/src/main/java/com/huanchengfly/tieba/post/activities/TranslucentThemeActivity.kt

@@ -178,6 +178,7 @@ class TranslucentThemeActivity : BaseActivity(), View.OnClickListener, OnSeekBar
             })
     }
 
+    @Deprecated("Deprecated in Java")
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
         super.onActivityResult(requestCode, resultCode, data)
         if (requestCode == REQUEST_CODE_CHOOSE && resultCode == Activity.RESULT_OK) {

app/src/main/java/com/huanchengfly/tieba/post/activities/WebViewActivity.java

@@ -80,7 +80,11 @@ public class WebViewActivity extends BaseActivity implements OnReceivedTitleList
                         mUrl :
                         mWebViewFragment.getWebView().getUrl());
                 Intent intent = new Intent(Intent.ACTION_VIEW, uri);
+                try {
                     startActivity(intent);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
                 break;
             case R.id.menu_copy_link:
                 TiebaUtil.copyText(this, mWebViewFragment.getWebView().getUrl());

app/src/main/java/com/huanchengfly/tieba/post/adapters/FragmentTabViewPagerAdapter.java

@@ -2,12 +2,11 @@ package com.huanchengfly.tieba.post.adapters;
 
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentPagerAdapter;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class FragmentTabViewPagerAdapter extends FragmentPagerAdapter {
+public class FragmentTabViewPagerAdapter extends SmartFragmentStatePagerAdapter {
     public Fragment currentFragment;
     public int currentFragmentPosition;
     private List<Fragment> fragments;

app/src/main/java/com/huanchengfly/tieba/post/adapters/base/BaseAdapter.kt

@@ -45,9 +45,7 @@ abstract class BaseAdapter<Item>(
     fun setOnItemLongClickListener(listener: ((viewHolder: MyViewHolder, item: Item, position: Int) -> Boolean)?) {
         onItemLongClickListener = object : OnItemLongClickListener<Item> {
             override fun onLongClick(viewHolder: MyViewHolder, item: Item, position: Int): Boolean {
-                if (listener != null) {
+                listener?.invoke(viewHolder, item, position)
-                    return listener(viewHolder, item, position)
-                }
                 return false
             }
         }
@@ -63,9 +61,7 @@ abstract class BaseAdapter<Item>(
     ) {
         onItemChildClickListeners[viewId] = object : OnItemChildClickListener<Item> {
             override fun onItemChildClick(viewHolder: MyViewHolder, item: Item, position: Int) {
-                if (listener != null) {
+                listener?.invoke(viewHolder, item, position)
-                    listener(viewHolder, item, position)
-                }
             }
         }
     }

app/src/main/java/com/huanchengfly/tieba/post/components/dialogs/CustomThemeDialog.kt

@@ -18,7 +18,6 @@ import com.huanchengfly.tieba.post.utils.ThemeUtil
 import com.huanchengfly.tieba.post.utils.appPreferences
 import com.jrummyapps.android.colorpicker.ColorPickerDialog
 import com.jrummyapps.android.colorpicker.ColorPickerDialogListener
-import java.util.*
 
 class CustomThemeDialog(context: Context) : AlertDialog(context),
     View.OnClickListener, DialogInterface.OnClickListener, CompoundButton.OnCheckedChangeListener,
@@ -69,7 +68,7 @@ class CustomThemeDialog(context: Context) : AlertDialog(context),
                 .create()
             primaryColorPicker.setColorPickerDialogListener(this)
             primaryColorPicker.show(
-                Objects.requireNonNull(ThemeUtils.getWrapperActivity(context)).fragmentManager,
+                ThemeUtils.getWrapperActivity(context)!!.fragmentManager,
                 "ColorPicker_PrimaryColor"
             )
         }

app/src/main/java/com/huanchengfly/tieba/post/fragments/BaseFragment.kt

@@ -12,15 +12,18 @@ import androidx.annotation.CallSuper
 import androidx.fragment.app.Fragment
 import butterknife.ButterKnife
 import butterknife.Unbinder
+import com.huanchengfly.tieba.post.BaseApplication
 import com.huanchengfly.tieba.post.interfaces.BackHandledInterface
 import com.huanchengfly.tieba.post.interfaces.Refreshable
 import com.huanchengfly.tieba.post.isLandscape
 import com.huanchengfly.tieba.post.isPortrait
 import com.huanchengfly.tieba.post.isTablet
+import com.huanchengfly.tieba.post.ui.theme.utils.ThemeUtils
 import com.huanchengfly.tieba.post.utils.AppPreferencesUtils
 import com.huanchengfly.tieba.post.utils.HandleBackUtil
 import kotlinx.coroutines.*
 import kotlinx.coroutines.Dispatchers.IO
+import java.lang.ref.WeakReference
 import kotlin.coroutines.CoroutineContext
 
 /**
@@ -48,7 +51,19 @@ abstract class BaseFragment : Fragment(), BackHandledInterface, CoroutineScope {
     var isFirstVisible = false
         private set
     private var rootView: View? = null
-    lateinit var attachContext: Context
+    var attachContextWeakReference: WeakReference<Context>? = null
+    val attachContext: Context
+        get() {
+            var mContext: Context? = context
+            if (mContext == null && attachContextWeakReference != null) {
+                mContext = attachContextWeakReference!!.get()
+                ThemeUtils.getWrapperActivity(mContext)?.let { mContext = it }
+            }
+            if (mContext == null) {
+                mContext = BaseApplication.instance
+            }
+            return mContext!!
+        }
     protected val appPreferences: AppPreferencesUtils
         get() = AppPreferencesUtils(attachContext)
 
@@ -58,6 +73,7 @@ abstract class BaseFragment : Fragment(), BackHandledInterface, CoroutineScope {
         onAttachToContext(context)
     }
 
+    @Deprecated("Deprecated in Java")
     override fun onAttach(activity: Activity) {
         super.onAttach(activity)
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
@@ -67,7 +83,7 @@ abstract class BaseFragment : Fragment(), BackHandledInterface, CoroutineScope {
 
     @CallSuper
     private fun onAttachToContext(context: Context) {
-        attachContext = context
+        attachContextWeakReference = WeakReference(context)
     }
 
     override fun onBackPressed(): Boolean {
@@ -79,6 +95,7 @@ abstract class BaseFragment : Fragment(), BackHandledInterface, CoroutineScope {
     //如果Fragment从可见->不可见，那么setUserVisibleHint()也会被调用，传入isVisibleToUser = false
     //总结：setUserVisibleHint()除了Fragment的可见状态发生变化时会被回调外，在new时也会被回调
     //如果我们需要在Fragment可见与不可见时干点事，用这个的话就会有多余的回调了，那么就需要重新封装一个
+    @Deprecated("Deprecated in Java")
     override fun setUserVisibleHint(isVisibleToUser: Boolean) {
         super.setUserVisibleHint(isVisibleToUser)
         //setUserVisibleHint()有可能在fragment的生命周期外被调用

app/src/main/java/com/huanchengfly/tieba/post/fragments/ForumFragment.kt

@@ -80,6 +80,7 @@ class ForumFragment : BaseFragment(), Refreshable, OnSwitchListener, ScrollTopab
         super.onSaveInstanceState(outState)
     }
 
+    @Deprecated("Deprecated in Java")
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         if (savedInstanceState != null) {
             forumName = savedInstanceState.getString(PARAM_FORUM_NAME)

app/src/main/java/com/huanchengfly/tieba/post/fragments/ForumInfoFragment.kt

@@ -98,6 +98,7 @@ class ForumInfoFragment : BaseFragment(), Refreshable, ScrollTopable {
         super.onSaveInstanceState(outState)
     }
 
+    @Deprecated("Deprecated in Java")
     override fun onActivityCreated(savedInstanceState: Bundle?) {
         if (savedInstanceState != null) {
             forumName = savedInstanceState.getString(ForumFragment.PARAM_FORUM_NAME)

app/src/main/java/com/huanchengfly/tieba/post/ui/intro/fragments/BaseFragment.java

@@ -14,14 +14,14 @@ public class BaseFragment extends Fragment {
 
     @TargetApi(23)
     @Override
-    public void onAttach(Context context) {
+    public void onAttach(@NonNull Context context) {
         super.onAttach(context);
         onAttachToContext(context);
     }
 
     @SuppressWarnings("deprecation")
     @Override
-    public void onAttach(Activity activity) {
+    public void onAttach(@NonNull Activity activity) {
         super.onAttach(activity);
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
             onAttachToContext(activity);

app/src/main/java/com/huanchengfly/tieba/post/ui/theme/utils/ThemeUtils.java

@@ -17,6 +17,7 @@ import android.widget.WrapperListAdapter;
 import androidx.annotation.AttrRes;
 import androidx.annotation.ColorInt;
 import androidx.annotation.ColorRes;
+import androidx.annotation.Nullable;
 import androidx.core.graphics.drawable.DrawableCompat;
 import androidx.recyclerview.widget.RecyclerView;
 
@@ -75,6 +76,7 @@ public class ThemeUtils {
         refreshUI(context, null);
     }
 
+    @Nullable
     public static Activity getWrapperActivity(Context context) {
         if (context instanceof Activity) {
             return (Activity) context;

app/src/main/java/com/huanchengfly/tieba/post/utils/ImageUtil.java

@@ -89,6 +89,7 @@ public class ImageUtil {
     public static final String TAG = "ImageUtil";
 
     private static boolean isGifFile(File file) {
+        if (file == null) return false;
         try {
             return isGifFile(new FileInputStream(file));
         } catch (FileNotFoundException e) {
@@ -99,6 +100,7 @@ public class ImageUtil {
 
     //判断是否为GIF文件
     private static boolean isGifFile(InputStream inputStream) {
+        if (inputStream == null) return false;
         byte[] bytes = new byte[4];
         try {
             inputStream.read(bytes);