Android获取本地图片并显示，,import java.

Android获取本地图片并显示，,import java.

import java.io.ByteArrayOutputStream;  import java.io.FileNotFoundException;  import java.io.InputStream;  import android.app.Activity;  import android.content.ContentResolver;  import android.content.Intent;  import android.database.Cursor;  import android.graphics.Bitmap;  import android.graphics.BitmapFactory;  import android.graphics.drawable.BitmapDrawable;  import android.net.Uri;  import android.os.Bundle;  import android.provider.MediaStore;  import android.util.Base64;  import android.util.Log;  import android.view.View;  import android.view.View.OnClickListener;  import android.widget.ImageView;  import android.widget.LinearLayout;  import android.widget.Toast;  public class MainActivity extends Activity {      private ImageView iv;      private OnClickListener imgViewListener;      private Bitmap myBitmap;      private int REQUEST_OK = 1;      private LinearLayout ly_list;      @Override      protected void onCreate(Bundle savedInstanceState) {          super.onCreate(savedInstanceState);          setContentView(R.layout.activity_main);          iv = (ImageView) findViewById(R.id.iv);          ly_list=(LinearLayout) findViewById(R.id.ly_list);          iv.setOnClickListener(new OnClickListener() {              @Override              public void onClick(View arg0) {                  // TODO Auto-generated method stub                  Intent intent = new Intent();                    //intent = new Intent(Intent.ACTION_GET_CONTENT);                  /* 开启Pictures画面Type设定为image */                    intent.setType("image/*");                    /* 使用Intent.ACTION_GET_CONTENT这个Action */                    intent.setAction(Intent.ACTION_GET_CONTENT);                     /* 取得相片后返回本画面 */                    startActivityForResult(intent, 1);                }          });      }      @Override      protected void onActivityResult(int requestCode, int resultCode, Intent data) {          // TODO Auto-generated method stub          if (requestCode  == REQUEST_OK) {              Uri selectedImage = data.getData();              try {                  Bitmap bitmap = BitmapFactory.decodeStream(this                          .getContentResolver().openInputStream(Uri.parse(selectedImage.toString())));                  iv.setImageBitmap(bitmap);                  Toast.makeText(getApplicationContext(), "上传成功",                          Toast.LENGTH_SHORT).show();              } catch (FileNotFoundException e) {                  // TODO Auto-generated catch block                  e.printStackTrace();              }          }          super.onActivityResult(requestCode, resultCode, data);      }  //  public static Bitmap getPicFromBytes(byte[] bytes,  //          BitmapFactory.Options opts) {  //      if (bytes != null)  //          if (opts != null)  //              return BitmapFactory.decodeByteArray(bytes, 0, bytes.length,  //                      opts);  //          else  //              return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);  //      return null;  //  }  //  //  public static byte[] readStream(InputStream in) throws Exception {  //      byte[] buffer = new byte[1024];  //      int len = -1;  //      ByteArrayOutputStream outStream = new ByteArrayOutputStream();  //  //      while ((len = in.read(buffer)) != -1) {  //          outStream.write(buffer, 0, len);  //      }  //      byte[] data = outStream.toByteArray();  //      outStream.close();  //      in.close();  //      return data;  //  }  }