Code clean up

app/src/main/java/com/zane/smapiinstaller/MainActivity.java

@@ -36,7 +36,7 @@ public class MainActivity extends AppCompatActivity {
     @BindView(R.id.nav_view)
     NavigationView navigationView;
 
-    public void requestPermissions()
+    private void requestPermissions()
     {
         if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE)
                 != PackageManager.PERMISSION_GRANTED) {

app/src/main/java/com/zane/smapiinstaller/constant/Constants.java

@@ -1,8 +1,8 @@
 package com.zane.smapiinstaller.constant;
 
 public class Constants {
-    public static String MOD_PATH = "StardewValley/Mods";
+    public static final String MOD_PATH = "StardewValley/Mods";
-    public static String LOG_PATH = "StardewValley/ErrorLogs/SMAPI-latest.txt";
+    public static final String LOG_PATH = "StardewValley/ErrorLogs/SMAPI-latest.txt";
 
-    public static String TARGET_PACKAGE_NAME =  "com.zane.stardewvalley";
+    public static final String TARGET_PACKAGE_NAME =  "com.zane.stardewvalley";
 }

app/src/main/java/com/zane/smapiinstaller/logic/ApkPatcher.java

@@ -44,9 +44,9 @@ public class ApkPatcher {
 
     private static final String PASSWORD = "android";
 
-    private Context context;
+    private final Context context;
 
-    private static String TAG = "PATCHER";
+    private static final String TAG = "PATCHER";
 
     public ApkPatcher(Context context) {
         this.context = context;

app/src/main/java/com/zane/smapiinstaller/logic/CommonLogic.java

@@ -10,11 +10,9 @@ import android.util.Log;
 import android.view.View;
 
 import com.afollestad.materialdialogs.MaterialDialog;
-import com.google.common.base.Function;
 import com.google.common.base.Predicate;
 import com.google.common.io.ByteStreams;
 import com.google.common.io.CharStreams;
-import com.google.common.io.Files;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 import com.zane.smapiinstaller.R;
@@ -24,7 +22,6 @@ import org.zeroturnaround.zip.ZipUtil;
 
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
@@ -109,26 +106,20 @@ public class CommonLogic {
     public static void showAlertDialog(View view, int title, String message) {
         Activity activity = getActivityFromView(view);
         if(activity != null && !activity.isFinishing()) {
-            activity.runOnUiThread(()->{
+            activity.runOnUiThread(()-> new MaterialDialog.Builder(activity).title(title).content(message).positiveText(R.string.ok).show());
-                new MaterialDialog.Builder(activity).title(title).content(message).positiveText(R.string.ok).show();
-            });
         }
     }
     public static void showAlertDialog(View view, int title, int message) {
         Activity activity = getActivityFromView(view);
         if(activity != null && !activity.isFinishing()) {
-            activity.runOnUiThread(()->{
+            activity.runOnUiThread(()-> new MaterialDialog.Builder(activity).title(title).content(message).positiveText(R.string.ok).show());
-                new MaterialDialog.Builder(activity).title(title).content(message).positiveText(R.string.ok).show();
-            });
         }
     }
 
     public static void showConfirmDialog(View view, int title, int message, MaterialDialog.SingleButtonCallback callback) {
         Activity activity = getActivityFromView(view);
         if(activity != null && !activity.isFinishing()) {
-            activity.runOnUiThread(()->{
+            activity.runOnUiThread(()-> new MaterialDialog.Builder(activity).title(title).content(message).positiveText(R.string.confirm).negativeText(R.string.cancel).onAny(callback).show());
-                new MaterialDialog.Builder(activity).title(title).content(message).positiveText(R.string.confirm).negativeText(R.string.cancel).onAny(callback).show();
-            });
         }
     }
 

app/src/main/java/com/zane/smapiinstaller/logic/GameLauncher.java

@@ -11,7 +11,7 @@ import com.zane.smapiinstaller.constant.Constants;
 
 public class GameLauncher {
 
-    private View root;
+    private final View root;
 
     public GameLauncher(View root) {
         this.root = root;

app/src/main/java/com/zane/smapiinstaller/logic/ManifestTagVisitor.java

@@ -1,13 +1,12 @@
 package com.zane.smapiinstaller.logic;
 
-import com.google.common.base.Function;
 import com.google.common.base.Predicate;
 
 import pxb.android.axml.NodeVisitor;
 
-public class ManifestTagVisitor extends NodeVisitor {
+class ManifestTagVisitor extends NodeVisitor {
 
-    private Predicate<AttrArgs> attrProcessLogic;
+    private final Predicate<AttrArgs> attrProcessLogic;
 
     public ManifestTagVisitor(NodeVisitor nv, Predicate<AttrArgs> attrProcessLogic) {
         super(nv);
@@ -33,7 +32,7 @@ public class ManifestTagVisitor extends NodeVisitor {
         int type;
         Object obj;
 
-        public AttrArgs(String ns, String name, int resourceId, int type, Object obj) {
+        AttrArgs(String ns, String name, int resourceId, int type, Object obj) {
             this.ns = ns;
             this.name = name;
             this.resourceId = resourceId;

app/src/main/java/com/zane/smapiinstaller/logic/ModAssetsManager.java

@@ -26,9 +26,9 @@ import java.util.concurrent.ConcurrentLinkedQueue;
 
 public class ModAssetsManager {
 
-    private View root;
+    private final View root;
 
-    private static String TAG = "MANAGER";
+    private static final String TAG = "MANAGER";
 
     public ModAssetsManager(View root) {
         this.root = root;

app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigFragment.java

@@ -4,11 +4,9 @@ import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
+
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
-import androidx.lifecycle.Observer;
 import androidx.recyclerview.widget.DividerItemDecoration;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
@@ -16,10 +14,6 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 
 import com.zane.smapiinstaller.R;
-import com.zane.smapiinstaller.entity.ModManifestEntry;
-import com.zane.smapiinstaller.logic.ModAssetsManager;
-
-import java.util.List;
 
 public class ConfigFragment extends Fragment {
 

app/src/main/java/com/zane/smapiinstaller/ui/config/ConfigViewModel.java

@@ -1,20 +1,17 @@
 package com.zane.smapiinstaller.ui.config;
 
-import android.content.Context;
 import android.view.View;
 
 import com.zane.smapiinstaller.entity.ModManifestEntry;
 import com.zane.smapiinstaller.logic.ModAssetsManager;
 
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
 
-import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
-public class ConfigViewModel extends ViewModel {
+class ConfigViewModel extends ViewModel {
 
     private MutableLiveData<List<ModManifestEntry>> modList;
 

app/src/main/java/com/zane/smapiinstaller/ui/config/ModManifestAdapter.java

@@ -1,13 +1,12 @@
 package com.zane.smapiinstaller.ui.config;
 
-import android.app.Activity;
-import android.content.Context;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.TextView;
 
+import com.afollestad.materialdialogs.DialogAction;
 import com.zane.smapiinstaller.R;
 import com.zane.smapiinstaller.entity.ModManifestEntry;
 import com.zane.smapiinstaller.logic.CommonLogic;
@@ -51,7 +50,7 @@ public class ModManifestAdapter extends RecyclerView.Adapter<ModManifestAdapter.
 
     static class ViewHolder extends RecyclerView.ViewHolder{
         private String modPath;
-        public void setModPath(String modPath) {
+        void setModPath(String modPath) {
             this.modPath = modPath;
             File file = new File(modPath, "config.json");
             if(!file.exists()) {
@@ -73,13 +72,11 @@ public class ModManifestAdapter extends RecyclerView.Adapter<ModManifestAdapter.
         }
         @OnClick(R.id.button_remove_mod) void removeMod() {
             CommonLogic.showConfirmDialog(itemView, R.string.confirm, R.string.confirm_delete_mod, (dialog, which)->{
-                switch (which){
+                if (which == DialogAction.POSITIVE) {
-                    case POSITIVE:
                     File file = new File(modPath);
                     if (file.exists()) {
                         file.delete();
                     }
-                        break;
                 }
             });
         }

app/src/main/java/com/zane/smapiinstaller/ui/help/HelpFragment.java

@@ -5,20 +5,18 @@ import android.os.Environment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.TextView;
+
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
-import androidx.lifecycle.Observer;
 import androidx.navigation.NavController;
 import androidx.navigation.Navigation;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 
+import com.afollestad.materialdialogs.DialogAction;
 import com.zane.smapiinstaller.R;
 import com.zane.smapiinstaller.constant.Constants;
 import com.zane.smapiinstaller.logic.CommonLogic;
-import com.zane.smapiinstaller.ui.config.ConfigFragmentDirections;
 
 import java.io.File;
 
@@ -38,12 +36,10 @@ public class HelpFragment extends Fragment {
     }
     @OnClick(R.id.button_release) void release() {
         CommonLogic.showConfirmDialog(this.getView(), R.string.confirm, R.string.test_message, (dialog, which)-> {
-            switch (which) {
+            if (which == DialogAction.POSITIVE) {
-                case POSITIVE:
                 if (this.getString(R.string.test_message).contains("860453392")) {
                     CommonLogic.openUrl(this.getContext(), "mqqopensdkapi://bizAgent/qm/qr?url=http%3A%2F%2Fqm.qq.com%2Fcgi-bin%2Fqm%2Fqr%3Ffrom%3Dapp%26p%3Dandroid%26k%3D" + "AAflCLHiWw1haM1obu_f-CpGsETxXc6b");
                 }
-                    break;
             }
         });
     }

app/src/main/java/com/zane/smapiinstaller/ui/help/HelpViewModel.java

@@ -4,7 +4,7 @@ import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
-public class HelpViewModel extends ViewModel {
+class HelpViewModel extends ViewModel {
 
     private MutableLiveData<String> mText;