安卓

1、exposed beyond app through ClipData.Item.getUri() 错误

2、错误：ava.lang.SecurityException: Permission Denial: starting Intent { act=android.media.action.IMAGE_CAPTURE flg=0x3 cmp=com.huawei.camera/.ThirdCamera clip={text/uri-list U:file:///storage/emulated/0/fileImg.jpg} (has extras) } from ProcessRecord{a21c469 13041:com.ruoyi.wanxiangcheng/u0a220} (pid=13041, uid=10220) with revoked permission android.permission.CAMERA。

package edu.ydk.shexiangtou;

import androidx.annotation.RequiresApi;
import androidx.appcompat.app.AppCompatActivity;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.StrictMode;
import android.provider.MediaStore;

import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

import java.io.File;
import java.io.IOException;

public class MainActivity extends AppCompatActivity {

    private ImageView img_show;
    private Button btn_start;
    private File currentImageFile = null;

    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        bindViews();
        StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder();
        StrictMode.setVmPolicy(builder.build());
        builder.detectFileUriExposure();
    }

    private void bindViews() {
        img_show = (ImageView) findViewById(R.id.img_show);
        btn_start = (Button) findViewById(R.id.btn_start);

        btn_start.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                File dir = new File(Environment.getExternalStorageDirectory(),"pictures");
                if(dir.exists()){
                    dir.mkdirs();
                }
                currentImageFile = new File(dir,System.currentTimeMillis() + ".jpg");
                if(!currentImageFile.exists()){
                    try {
                        currentImageFile.createNewFile();
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }

                Intent it = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                it.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(currentImageFile));
                startActivityForResult(it, Activity.DEFAULT_KEYS_DIALER);
            }
        });
    }


    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == Activity.DEFAULT_KEYS_DIALER) {
//            Bundle bundle = data.getExtras();
//            Bitmap bitmap = (Bitmap) bundle.get("data");
//            img_show.setImageBitmap(bitmap);

            img_show.setImageURI(Uri.fromFile(currentImageFile));
        }


//        switch (requestCode){
//            case REQUEST_CODE_TAKE_PICTURE:
//                img_show.setImageURI(Uri.fromFile(currentImageFile));
//                break;
//        }
    }
}