compileSdkVersion26+下FragmentTransaction.add崩溃，求适配33的解决办法

崩溃原因分析 #

在API 26及以上版本中，Android对Fragment事务管理做了严格限制：直接添加无布局的匿名Fragment到事务且不指定容器ID会触发崩溃，这就是你在fragmentTransaction.add(0, request)处报错的核心原因。另外原代码依赖的android-support-v4.jar已被废弃，SDK33需使用AndroidX库替代，同时Android 13（SDK33）的存储权限规则也有更新。

修复步骤与代码示例 #

1. 迁移到AndroidX（必须操作）

将项目中的android-support-v4.jar替换为AndroidX依赖，在Module级别的build.gradle中添加：

dependencies {
    implementation 'androidx.appcompat:appcompat:1.6.1'
    implementation 'androidx.fragment:fragment:1.6.1'
}

同时确保gradle.properties中开启AndroidX兼容：

android.useAndroidX=true
android.enableJetifier=true

2. 重构权限请求逻辑（两种可选方案）

方案一：直接在Activity中请求权限（新手友好，最简单）

无需借助匿名Fragment，直接在Activity中调用权限API，彻底避免Fragment事务问题：

import androidx.appcompat.app.AppCompatActivity;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Build;
import java.util.ArrayList;
import java.util.List;

public class YourActivity extends AppCompatActivity {
    private static final int REQUEST_CODE_PERMISSIONS = 100;
    private String responseStateStr;

    public void askPermissions() {
        List<String> permissionsList = new ArrayList<>();
        
        // 适配Android 13+存储权限规则
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
            if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_MEDIA_IMAGES) != PackageManager.PERMISSION_GRANTED) {
                permissionsList.add(Manifest.permission.READ_MEDIA_IMAGES);
            }
            // Android 13+针对媒体文件无需单独申请写权限
        } else {
            if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
                permissionsList.add(Manifest.permission.READ_EXTERNAL_STORAGE);
            }
            if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
                permissionsList.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
            }
        }

        if (!permissionsList.isEmpty()) {
            ActivityCompat.requestPermissions(this, permissionsList.toArray(new String[0]), REQUEST_CODE_PERMISSIONS);
        } else {
            responseStateStr = "Granted";
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (requestCode == REQUEST_CODE_PERMISSIONS) {
            boolean allGranted = true;
            for (int result : grantResults) {
                if (result != PackageManager.PERMISSION_GRANTED) {
                    allGranted = false;
                    break;
                }
            }
            responseStateStr = allGranted ? "Granted" : "Denied";
            // 这里可添加权限结果后的业务逻辑
        }
    }
}

方案二：使用DialogFragment（保留Fragment请求方式）

如果必须基于Fragment实现，改用DialogFragment（无需指定容器ID）：

import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.DialogFragment;
import androidx.core.content.ContextCompat;
import android.Manifest;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import java.util.ArrayList;
import java.util.List;

public class YourActivity extends AppCompatActivity {
    private String responseStateStr;

    public void askPermissions() {
        List<String> permissionsList = new ArrayList<>();
        // 权限检查逻辑同方案一...

        if (permissionsList.isEmpty()) {
            responseStateStr = "Granted";
            return;
        }

        PermissionDialogFragment dialogFragment = PermissionDialogFragment.newInstance(permissionsList);
        dialogFragment.show(getSupportFragmentManager(), "PermissionDialog");
    }

    // 自定义无UI的DialogFragment
    public static class PermissionDialogFragment extends DialogFragment {
        private static final String ARG_PERMISSIONS = "permissions";
        private static final int REQUEST_CODE_PERMISSIONS = 100;

        public static PermissionDialogFragment newInstance(List<String> permissions) {
            PermissionDialogFragment fragment = new PermissionDialogFragment();
            Bundle args = new Bundle();
            args.putStringArrayList(ARG_PERMISSIONS, new ArrayList<>(permissions));
            fragment.setArguments(args);
            return fragment;
        }

        @Override
        public void onStart() {
            super.onStart();
            List<String> permissions = getArguments().getStringArrayList(ARG_PERMISSIONS);
            requestPermissions(permissions.toArray(new String[0]), REQUEST_CODE_PERMISSIONS);
            // 隐藏对话框，不需要显示UI
            getDialog().hide();
        }

        @Override
        public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
            super.onRequestPermissionsResult(requestCode, permissions, grantResults);
            if (requestCode == REQUEST_CODE_PERMISSIONS) {
                boolean allGranted = true;
                for (int result : grantResults) {
                    if (result != PackageManager.PERMISSION_GRANTED) {
                        allGranted = false;
                        break;
                    }
                }
                // 通知外部权限结果
                ((YourActivity) getActivity()).responseStateStr = allGranted ? "Granted" : "Denied";
                dismiss();
            }
        }
    }
}

额外注意事项 #

• Android 13（SDK33）中，READ_EXTERNAL_STORAGE和WRITE_EXTERNAL_STORAGE已被废弃，针对媒体文件需使用READ_MEDIA_IMAGES、READ_MEDIA_VIDEO等细分权限；针对非媒体文件的读写，需使用MANAGE_EXTERNAL_STORAGE权限（需引导用户到设置页开启）。
• 如果用户拒绝权限并勾选「不再询问」，需引导用户进入应用设置页手动开启权限。

内容的提问来源于stack exchange，提问作者danka