修复部分闪退问题，保存补丁需求状态。

Author: xausky

app/src/main/java/io/github/xausky/unitymodmanager/MainActivity.java

@@ -134,7 +134,7 @@ protected Integer doInBackground(Object... params) {
             int result = ModUtils.RESULT_STATE_OK;
             ModFragment modFragment = (ModFragment) BaseFragment.fragment(R.id.nav_mod);
             HomeFragment homeFragment = (HomeFragment) BaseFragment.fragment(R.id.nav_home);
-            if (modFragment.needPatch) {
+            if (modFragment.isNeedPatch()) {
                 result = modFragment.patch(homeFragment.apkPath, homeFragment.baseApkPath);
             }
             if (result == ModUtils.RESULT_STATE_OK) {
@@ -149,7 +149,7 @@ protected void onPostExecute(Integer result) {
             dialog.hide();
             ModFragment modFragment = (ModFragment) BaseFragment.fragment(R.id.nav_mod);
             if (result == ModUtils.RESULT_STATE_OK) {
-                modFragment.needPatch = false;
+                modFragment.setNeedPatch(false);
             } else if (result == ModUtils.RESULT_STATE_INTERNAL_ERROR) {
                 Toast.makeText(modFragment.getBase(), "安装模组失败", Toast.LENGTH_LONG).show();
             }

app/src/main/java/io/github/xausky/unitymodmanager/fragment/HomeFragment.java

@@ -210,6 +210,7 @@ public void run() {
                 final InstallResult result = VirtualCore.get().installPackage(apkPath, InstallStrategy.UPDATE_IF_EXIST);
                 final String resultString;
                 if(result.isSuccess){
+                    modFragment.setNeedPatch(true);
                     HomeFragment.this.packageName = result.packageName;
                     HomeFragment.this.baseApkPath = apkPath;
                     HomeFragment.this.apkPath = VirtualCore.get().getInstalledAppInfo(HomeFragment.this.packageName, 0).apkPath;

app/src/main/java/io/github/xausky/unitymodmanager/fragment/ModFragment.java

@@ -2,6 +2,7 @@
 
 import android.content.Context;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.graphics.Bitmap;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
@@ -37,12 +38,14 @@
 
 public class ModFragment extends BaseFragment implements ModsAdapter.OnDataChangeListener {
     private static final int MOD_FILE_PICKER_RESULT = 1;
+    private static final String NEED_PATCH_PREFERENCES_KEY = "NEED_PATCH_PREFERENCES_KEY";
     private View view;
     private RecyclerView recyclerView;
     private ModsAdapter adapter;
-    public boolean needPatch;
+    private boolean needPatch;
     private Context context;
     private File storeFile;
+    private SharedPreferences settingsPreferences;
 
     @Override
     public BaseFragment setBase(Context base) {
@@ -52,11 +55,22 @@ public BaseFragment setBase(Context base) {
                 Toast.makeText(base, R.string.store_mkdir_failed, Toast.LENGTH_LONG).show();
             }
         }
+        this.settingsPreferences = base.getSharedPreferences(SettingFragment.SETTINGS_PREFERENCE_NAME, Context.MODE_PRIVATE);
+        needPatch = settingsPreferences.getBoolean(NEED_PATCH_PREFERENCES_KEY, false);
         adapter = new ModsAdapter(storeFile, base);
         adapter.setListener(this);
         return super.setBase(base);
     }
 
+    public boolean isNeedPatch() {
+        return needPatch;
+    }
+
+    public void setNeedPatch(boolean needPatch) {
+        this.needPatch = needPatch;
+        settingsPreferences.edit().putBoolean(NEED_PATCH_PREFERENCES_KEY, needPatch).apply();
+    }
+
     public int getItemCount(){
         return adapter.getItemCount();
     }
@@ -69,11 +83,9 @@ public int getEnableItemCount(){
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
         this.context = inflater.getContext();
-        if(view == null){
-            view = inflater.inflate(R.layout.mod_fragment, container, false);
-            recyclerView = view.findViewById(R.id.mod_list);
-            adapter.setRecyclerView(recyclerView);
-        }
+        view = inflater.inflate(R.layout.mod_fragment, container, false);
+        recyclerView = view.findViewById(R.id.mod_list);
+        adapter.setRecyclerView(recyclerView);
         adapter.updateSetting();
         return view;
     }

app/src/main/java/io/github/xausky/unitymodmanager/fragment/SettingFragment.java

@@ -72,7 +72,7 @@ protected Integer doInBackground(Object... params) {
             int result = ModUtils.RESULT_STATE_OK;
             ModFragment modFragment = (ModFragment) BaseFragment.fragment(R.id.nav_mod);
             HomeFragment homeFragment = (HomeFragment) BaseFragment.fragment(R.id.nav_home);
-            if (modFragment.needPatch) {
+            if (modFragment.isNeedPatch()) {
                 result = modFragment.patch(homeFragment.apkPath, homeFragment.baseApkPath);
             }
             if (result == ModUtils.RESULT_STATE_OK) {
@@ -92,7 +92,7 @@ protected void onPostExecute(Integer result) {
             dialog.hide();
             ModFragment modFragment = (ModFragment) BaseFragment.fragment(R.id.nav_mod);
             if (result == ModUtils.RESULT_STATE_OK) {
-                modFragment.needPatch = false;
+                modFragment.setNeedPatch(false);
                 String exportPath = Environment.getExternalStorageDirectory() + "/out.apk";
                 Toast.makeText(modFragment.getBase(), "导出整合包成功=>" + exportPath, Toast.LENGTH_LONG).show();
             } else if (result == RESULT_STATE_INTERNAL_ERROR) {

app/src/main/java/io/github/xausky/unitymodmanager/utils/ModUtils.java

@@ -75,7 +75,7 @@ public static int Standardization(File input, File output){
                     return RESULT_STATE_INTERNAL_ERROR;
                 }
                 result += r;
-            } else if(supportImageType.contains(name.substring(name.length() - 4))){
+            } else if(name.length() - 4 > 0 && supportImageType.contains(name.substring(name.length() - 4))){
                 try {
                     FileUtils.copyFile(file, new File(output + "/images/" + System.currentTimeMillis() + "-" + name));
                 } catch (IOException e) {