android程序出错 :SkImageDecoder::Factory returned null

weihuiwu88 2016-04-12 11:25:35

BitmapFactory.decodeStream(getContentResolver().openInputStream(imageUri)); 这个地方报的错，网上找了一些方法都不行，请大牛们给点指导



package com.example.choosepictest;





import java.io.File;

import java.io.FileNotFoundException;

import java.io.IOException;

import android.app.Activity;

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.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.ImageView;



public class MainActivity extends Activity {



	ImageView  pictrue;

		

	Uri imageUri;

	

	public static final int TAKE_PHOTO = 1;

	

	public static final int CROP_PHOTO = 2;

	

	Button chooseFromAlbum;

	

	@Override

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);

		pictrue = (ImageView)findViewById(R.id.pictrue);



		chooseFromAlbum = (Button)findViewById(R.id.choose_from_album);

		chooseFromAlbum.setOnClickListener(new OnClickListener() {

			

			@Override

			public void onClick(View v) {

				// TODO Auto-generated method stub

				File outputImage = new File(Environment.getExternalStorageDirectory(),"output_image.jpg");

				try {

					if(outputImage.exists()){

						outputImage.delete();

					}

					outputImage.createNewFile();

				} catch (IOException e) {

					// TODO Auto-generated catch block

					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 CROP_PHOTO:

			if(resultCode == RESULT_OK){

				try {				

					Bitmap bitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(imageUri));							

					pictrue.setImageBitmap(bitmap);

			} catch (FileNotFoundException e) {

					// TODO Auto-generated catch block

					e.printStackTrace();

				} catch (Exception e) {

					// TODO Auto-generated catch block

					e.printStackTrace();

				}

			}

			break;

		default:

			break;

		}

	}

	

}