android-studio - Android大牛们，帮忙看一下，为什么不能从相册选择图片放入imageview中？

mainActivity:
package com.example.archer.c832_choosepictest;

import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

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

public class MainActivity extends AppCompatActivity {

    private static  final  int TAKE_PHOTO=1;
    private static  final  int CROP_PHOTO=2;

     private Button TakePhoto;
    private ImageView picture;
    private Uri imageUri;
    private Button ChooseFromAlbum;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
         picture= (ImageView) findViewById(R.id.picture);
        TakePhoto= (Button) findViewById(R.id.Take_Photo);
        TakePhoto.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                //创建File对象，用于存储拍照以后的照片
                File outputImage=new File(Environment.getExternalStorageDirectory(),"output_image.jpg");
                try {
                    if (outputImage.exists()){
                        outputImage.delete();
                    }
                    outputImage.createNewFile();
                } catch (IOException e) {
                    e.printStackTrace();
                }
                imageUri= Uri.fromFile(outputImage);
                Intent intent=new Intent("android.media.action.IMAGE_CAPTURE");
                intent.putExtra(MediaStore.EXTRA_OUTPUT,imageUri);
                //启动相机程序
                startActivityForResult(intent,TAKE_PHOTO);
            }
        });

        ChooseFromAlbum= (Button) findViewById(R.id.choose_from_album);
        ChooseFromAlbum.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
              File outputImage=new File(Environment.getExternalStorageDirectory(),"output_Image.jpg");
                try{
                    if(outputImage.exists()){
                        outputImage.delete();
                    }
                    outputImage.createNewFile();
                } catch (IOException e) {
                    e.printStackTrace();
                }

                imageUri= Uri.fromFile(outputImage);
                Intent intent=new Intent("android.intent.action.GET_CONTENT");
              
                intent.setType("image/*");
                intent.putExtra("crop", true);
                intent.putExtra("scale", true);
                intent.putExtra(MediaStore.EXTRA_OUTPUT,imageUri);
                startActivityForResult(intent,CROP_PHOTO);
            }
        });

  }



    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        switch (requestCode){
            case TAKE_PHOTO:
                if (resultCode==RESULT_OK){
                    Intent intent =new Intent("com.android.camera.action.CROP");
                    intent.setDataAndType(imageUri,"image/*");
                    intent.putExtra("scale", true);
                    intent.putExtra(MediaStore.EXTRA_OUTPUT,imageUri);
                    startActivityForResult(intent,CROP_PHOTO);
                }
                break;
            case CROP_PHOTO:
                if(resultCode==RESULT_OK){
                    try{
                        Bitmap bitmap= BitmapFactory.decodeStream(getContentResolver().openInputStream(imageUri));
                         picture.setImageBitmap(bitmap);
                    }catch(FileNotFoundException e){
                        e.printStackTrace();
                    }

                }
                break;
            default:
                break;

        }
    }
}

activity_main: