权限拒绝：读取com.android.providers.media.MediaProvider uricontent://media/external/images/media/38

我在manifest.xml上添加了权限

但我仍然有同样的错误：

权限拒绝：读取com.android.providers.media.MediaProvider

请帮帮我

我的java类

     package com.example.maymaa.mytest;
      +import..

   public class Image extends AppCompatActivity {
   private static final int PICK_IMAGE =100;
   Uri imageUri;
   ImageView imageview1;
   Button button;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_image);
   imageview1=(ImageView)findViewById(R.id.imageview1);
   button=(Button)findViewById(R.id.btphoto);
    assert button != null;
    button.setOnClickListener(new View.OnClickListener(){


        @Override
        public void onClick(View v) {
         openGallery();

        }}
    );}
 private void openGallery()

{


   Intent gallery= new Intent    
  (Intent.ACTION_PICK,MediaStore.Images.Media.INTERNAL_CONTENT_URI);


    startActivityForResult(gallery, PICK_IMAGE);
}

  @Override
  protected  void onActivityResult
          (int requestcode,int resultcode,Inten  data)       
{

  super.onActivityResult(requestcode,resultcode,data);

      if(resultcode == RESULT_OK && requestcode==PICK_IMAGE){
          imageUri =data.getData();
          imageview1.setImageURI(imageUri);
  }

   }

  }

我的活动

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical"
android:layout_height="match_parent"
android:layout_width="match_parent"
android:padding="10dp"
android:weightSum="1">

<ImageView
    android:layout_width="361dp"
    android:layout_height="255dp"
    android:id="@+id/imageview1"
    android:layout_weight="0.14" />

<Button
    android:layout_width="180dp"
    android:layout_height="wrap_content"
    android:text="Choisir"
    android:layout_gravity="center_horizontal"
    android:onClick="btnclick"
    android:id="@+id/btphoto"
    />


</LinearLayout>

我的代码不起作用

---

感谢您在清单文件中添加外部读/写权限

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

---

尝试此操作，将此代码放在setContentView之后的onCreate中，并将onCreate的其余代码放在else部分：

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {

        int hasWritePermission = checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
        int hasReadPermission = checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE);

        List<String> permissions = new ArrayList<String>();
        if (hasWritePermission != PackageManager.PERMISSION_GRANTED) {
            permissions.add(Manifest.permission.WRITE_EXTERNAL_STORAGE);
        } else {
            preferencesUtility.setString("storage", "true");
        }

        if (hasReadPermission != PackageManager.PERMISSION_GRANTED) {
            permissions.add(Manifest.permission.READ_EXTERNAL_STORAGE);

        } else {
            preferencesUtility.setString("storage", "true");
        }

        if (!permissions.isEmpty()) {
            requestPermissions(permissions.toArray(new String[permissions.size()]), REQUEST_CODE_SOME_FEATURES_PERMISSIONS);
        }
    }

if（Build.VERSION.SDK\u INT>=Build.VERSION\u CODES.M）{
int hasWritePermission=checkSelfPermission（Manifest.permission.WRITE\u外部存储）；
int hasreadpowmission=checkSelfPermission（Manifest.permission.READ\u外部存储）；
列表权限=新建ArrayList（）；
if（hasWritePermission！=已授予PackageManager.PERMISSION）{
权限.add（Manifest.permission.WRITE\u外部存储）；
}否则{
设置字符串（“存储”，“真”）；
}
if（hasReadPermission！=已授予PackageManager.PERMISSION）{
权限.add（Manifest.permission.READ\u外部存储）；
}否则{
设置字符串（“存储”，“真”）；
}
如果（！permissions.isEmpty（））{
requestPermissions（permissions.toArray（新字符串[permissions.size（）]）、REQUEST\u CODE\u一些\u功能\u权限）；
}
}

out side onCreate写入：

@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
    switch (requestCode) {
        case REQUEST_CODE_SOME_FEATURES_PERMISSIONS: {
            for (int i = 0; i < permissions.length; i++) {
                if (grantResults[i] == PackageManager.PERMISSION_GRANTED) {
                    System.out.println("Permissions --> " + "Permission Granted: " + permissions[i]);
                } else if (grantResults[i] == PackageManager.PERMISSION_DENIED) {
                    System.out.println("Permissions --> " + "Permission Denied: " + permissions[i]);
                }
            }
        }
        break;
        default: {
            super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        }
    }
}

@覆盖
public void onRequestPermissionsResult（int-requestCode、字符串[]权限、int[]grantResults）{
开关（请求代码）{
案例请求\u代码\u某些\u功能\u权限：{
for（int i=0；i”+“授予的权限：”+权限[i]）；
}else if（grantResults[i]==PackageManager.PERMISSION_拒绝）{
System.out.println（“权限-->”+“权限被拒绝：”+Permissions[i]）；
}
}
}
打破
默认值：{
super.onRequestPermissionsResult（请求代码、权限、授权结果）；
}
}
}

我也有同样的问题， 已在manifext.xml中提供以下权限

**<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>**

**
**

谢谢

---

Krish

HTML永远不会抛出错误。很抱歉，我在Androidour使用棉花糖时犯了一个错误：/n然后您需要通过编程向用户请求权限。请参考：张贴您活动的代码。我做到了。。但是问题没有解决，我也有同样的错误，否则我肯定你错过了一些许可