recovery菜单选项，添加风险提示弹框

修改文件：/vendor/mediatek/proprietary/packages/apps/MtkSettings/src/com/android/settings/applications/manageapplications/RecoveryPrefPreferenceController.java

+import android.app.AlertDialog;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.PowerManager;
 import android.text.TextUtils;
-
+import android.app.AlertDialog;
+import android.content.DialogInterface;
 import androidx.preference.Preference;
 
 import com.android.settings.core.PreferenceControllerMixin;
@@ -28,7 +30,7 @@
 
 public class RecoveryPrefPreferenceController extends AbstractPreferenceController
         implements PreferenceControllerMixin {
-    
+
     private Context mContext;
 
     public RecoveryPrefPreferenceController(Context context) {
@@ -40,11 +42,33 @@
     public boolean handlePreferenceTreeClick(Preference preference) {
         if (!TextUtils.equals(preference.getKey(), getPreferenceKey())) {
             return false;
+
         }
-        PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
-        pm.reboot("recovery");
-        return true;
+       
+        final boolean[] flag = {false}; // 将 flag 变量改为数组形式，并且声明为 final
+        AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
+        builder.setMessage("是否继续进入recovery");
+        builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
+                pm.reboot("recovery");
+                flag[0] = true; // 修改 flag 变量的值
+                dialog.dismiss(); // 关闭对话框
+            }
+        });
+        builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+                dialog.dismiss();// 关闭对话框
+            }
+        });
+        builder.create().show();
+        return flag[0];
     }

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