无法使用正常的setimageuri和picasso-android nougat在imageview上设置图像

我正在尝试从图库中选择图像并将其发送到其他活动。它在Kitkat上运行良好,但在Android Nougat上不工作。我也试过正常的setimageuri和毕加索。仍然无法在ImageView上渲染图像。请参见下面的代码。

1. mainactivity.java-我有一个按钮,单击按钮,我将调用intent to open gallery。

gallery_btn.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    Intent intent = new Intent(Intent.ACTION_PICK);
                    intent.setType("image/");
                    startActivityForResult(intent, SELECT_PHOTO);
                }
     });

public void onActivityResult(int requestCode, int resultCode, Intent data) {
            if (resultCode == RESULT_OK) {
                if (requestCode == SELECT_PHOTO) {
                    Uri selectedImageUri = data.getData();
                    Log.d("vishal path", selectedImageUri.toString());
                    selectedImagePath = getPath(selectedImageUri);
                    Intent intent = new Intent(this, ImageActivity.class);
                    intent.putExtra("selectedImg", selectedImagePath);
                    startActivity(intent);
                }
            }
        }



public String getPath(Uri uri) {

        if( uri == null ) {
            return null;
        }

        // this will only work for images selected from gallery
        String[] projection = { MediaStore.Images.Media.DATA };
        Cursor cursor = managedQuery(uri, projection, null, null, null);
        if( cursor != null ){
            int column_index = cursor
                    .getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
            cursor.moveToFirst();
            return cursor.getString(column_index);
        }

        return uri.getPath();
    }

通过以上方法,我可以从图库中捕获图像路径。我可以在日志监视器上看到。

2. 图像活动

   公共类ImageActivity扩展AppCompatiActivity{

   ImageView mainImg, brushImg, fontImg;
   String imgPath;
   
   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_image);
   
       mainImg = (ImageView) findViewById(R.id.imageSetMain);
       brushImg = (ImageView) findViewById(R.id.imageBrush);
       fontImg = (ImageView) findViewById(R.id.imageFont);
   
       mainImg.postInvalidate();;
   
       Bundle extras = getIntent().getExtras();
       imgPath = extras.getString("selectedImg");
       Log.d("vishal received path", imgPath);
       // mainImg.setImageURI(null);
       // mainImg.setImageURI(Uri.parse(extras.getString("selectedImg")));
       Picasso.with(ImageActivity.this).load(new File(imgPath)).into(mainImg);
   
       brushImg.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
               Intent intent = new Intent(ImageActivity.this, DrawActivity.class);
               intent.putExtra("selectedImg", imgPath);
               startActivity(intent);
           }
       });
   
       fontImg.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
   
           }
       });
   }
   

   }

3. 活动\ image.xml

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.example.mobilesolution.imgedit.ImageActivity">

    <ImageView
        android:id="@+id/imageSetMain"
        android:layout_width="336dp"
        android:layout_height="478dp"
        android:layout_marginLeft="8dp"
        android:layout_marginRight="8dp"
        android:layout_marginTop="16dp"
        app:layout_constraintHorizontal_bias="0.507"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageView
        android:id="@+id/imageBrush"
        android:layout_width="67dp"
        android:layout_height="38dp"
        app:srcCompat="@drawable/brush"
        android:layout_marginLeft="62dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        android:layout_marginBottom="16dp"
        android:layout_marginStart="62dp"
        app:layout_constraintRight_toLeftOf="@+id/imageFont"
        android:layout_marginRight="8dp"
        app:layout_constraintHorizontal_bias="0.08"
        android:layout_marginTop="8dp"
        app:layout_constraintTop_toBottomOf="@+id/imageSetMain"
        app:layout_constraintVertical_bias="1.0" />

    <ImageView
        android:id="@+id/imageFont"
        android:layout_width="65dp"
        android:layout_height="37dp"
        app:srcCompat="@drawable/font"
        android:layout_marginStart="8dp"
        android:layout_marginEnd="83dp"
        app:layout_constraintBottom_toBottomOf="parent"
        android:layout_marginBottom="16dp"
        android:layout_marginRight="75dp"
        app:layout_constraintRight_toRightOf="parent"
        android:layout_marginTop="8dp"
        app:layout_constraintTop_toBottomOf="@+id/imageSetMain"
        app:layout_constraintVertical_bias="1.0" />

</android.support.constraint.ConstraintLayout>

现在罪魁祸首档案在这里--

我在mainactivity.java中选择image,通过使用intent,我将图像路径传递给下一个名为image activity.java的活动。

在imageactivity.java中,我使用了imageview.setimageuri(uri),无法在设备上看到图像。和毕加索一样。

我在下面增加了对毕加索的依赖

compile 'com.squareup.picasso:picasso:2.5.2'

我还添加了以下对清单文件的权限

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

    <uses-feature android:name="android.hardware.camera" />
    <uses-feature android:name="android.hardware.camera.autofocus" />

任何帮助都是可观的。