我的活动越来越慢，因为我正在从其他活动中获取图像

Question

我的活动越来越慢，因为我正在从其他活动中获取图像如果我缩小图像大小，我应该怎么做才能使活动快速进行。请帮我把它拿出来，告诉我在从其他活动中获取图像的共享偏好中应该使用什么。谢谢这是代码

            title=(EditText) findViewById(R.id.title);
    description=(EditText) findViewById(R.id.description);
    phonenumber=(EditText) findViewById(R.id.phonenumber);
    email=(EditText) findViewById(R.id.email);
    price=(EditText) findViewById(R.id.price);
    postadd=(Button) findViewById(R.id.button_post);
    location=(TextView) findViewById(R.id.location);
    category=(TextView) findViewById(R.id.category);
    subcategory=(TextView) findViewById(R.id.subcategory);

    imageview1=(ImageView) findViewById(R.id.image1);
    imageview2=(ImageView) findViewById(R.id.image2);
    imageview3=(ImageView) findViewById(R.id.image3);
    imageview4=(ImageView) findViewById(R.id.image4);

    SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
    locationname = preferences.getString("Location", "Location");
    SharedPreferences preferences1 = PreferenceManager.getDefaultSharedPreferences(this);
    categoryname = preferences1.getString("categoryname", "categoryname");
    SharedPreferences imagepath1 = PreferenceManager.getDefaultSharedPreferences(this);
    selectedImagePath1 = imagepath1.getString("picturePath1", "picturePath1");

    SharedPreferences imagepath2 = PreferenceManager.getDefaultSharedPreferences(this);
    selectedImagePath2 = imagepath2.getString("picturePath2", "picturePath2");
    SharedPreferences imagepath3 = PreferenceManager.getDefaultSharedPreferences(this);
    selectedImagePath3 = imagepath3.getString("picturePath3", "picturePath3");
    SharedPreferences imagepath4 = PreferenceManager.getDefaultSharedPreferences(this);
    selectedImagePath4 = imagepath4.getString("picturePath4", "picturePath4");

     AQuery aq = new AQuery(PostAddActivity.this);
     String imageUrl1 = selectedImagePath1;            
     aq.id(imageview1).image(imageUrl1);
     String imageUrl2 = selectedImagePath2;            
     aq.id(imageview2).image(imageUrl2);
     String imageUrl3 = selectedImagePath3;            
     aq.id(imageview3).image(imageUrl3);
     String imageUrl4 = selectedImagePath4;            
     aq.id(imageview4).image(imageUrl4);

    location.setText(locationname);
    category.setText(categoryname);
    subcategory.setText(subcategoryname);
    subcategory.setVisibility(View.VISIBLE);
    postadd.setOnClickListener(new OnClickListener() {
        @Override
        public void onClick(View v)
        {                       
            final String email1 = email.getText().toString().trim();
            final String emailPattern = "[a-zA-Z0-9._-]+@[a-z]+\.+[a-z]+";

            if(title.getText().toString().equalsIgnoreCase(""))
            {
                Toast.makeText(PostAddActivity.this, "Fill your name !!!", Toast.LENGTH_SHORT).show();
            }
            else if(description.getText().toString().equalsIgnoreCase(""))
            {
                Toast.makeText(PostAddActivity.this, "Fill the Description !!!", Toast.LENGTH_SHORT).show();
            }
            else if (!email1.matches(emailPattern))
            { 
                Toast.makeText(PostAddActivity.this, "Email id is invalid !!!", Toast.LENGTH_SHORT).show();
            }

            new GetData().execute();

        }
        });
}
private class GetData extends AsyncTask<String, String, String> 
{

    @Override
    protected String doInBackground(String... params)
    {
           String Title = title.getText().toString();
           String Description = description.getText().toString().trim();
           String PhoneNumber = phonenumber.getText().toString();
           String Email = email.getText().toString();
           String Price = price.getText().toString();
        try
           {
            DefaultHttpClient httpclient = new DefaultHttpClient();
            HttpGet httpget = new HttpGet("http://tradewale.com/open/tradedata.php?home_cat=1");
            HttpResponse response = httpclient.execute(httpget);
            BufferedReader in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
            StringBuffer sb = new StringBuffer("");
            String line = "";
            String NL = System.getProperty("line.separator");
            while ((line = in.readLine()) != null) 
            {
                sb.append(line + NL);
            }
            in.close();
            String result = sb.toString();
            System.out.println(result);
            JSONObject obj = new JSONObject(result);
             value = obj.getString("Success");
                }
        catch (Exception e) 
        {
            e.printStackTrace();
            }
        return value;
    }
    @Override
    protected void onPostExecute(String result) 
    {
         int val=Integer.parseInt(value);
         if (val==1)
         {
            Toast.makeText(PostAddActivity.this, "Thank you For Inquiry ", Toast.LENGTH_LONG).show();
                finish();
         }
         else
         {
             Intent in = new Intent(getApplicationContext(), PostAddActivity.class);
                 startActivity(in);
         }
     }
}

Answer 1

我看到你用了aquery。。。只需使用此选项：

aq.id(imageview1).image(imageUrl, true, true, 200, 0); //200px width