imageview

问题 Hello.. I have a layout in which I have ImageView and EditText view. I want to add a different layout on click of ImageView of arrow. It should look like this after click event of ImageView . How can I get this?? Pleas help... 回答1: For perfect answer please add your xml file and java file source code. Example MainActivity.java public class MainActivity extends Activity { LinearLayout linear1,linear2; ImageView imgArrow; @Override protected void onCreate(Bundle savedInstanceState) { super

问题 I an trying to make a simple project that capture image from camera and saves in the imageview. But when i run application it says can;t connect to camera. What is the problem in my code exactly?? Main Activity: package com.example.cameraimage; public class MainActivity extends Activity implements OnClickListener { Button button; ImageView imageview; Bitmap bitmap; int data = 0; @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { // TODO Auto-generated

问题 When creating a custom ListView adapter, usually I extend it from Array Adapter<String> but I want to make a ListView containing photos from the Gallery of the phone. I managed to get the Bitmap from the Gallery referring to the picture the user chose and put it in a regular ImageView but, I don't really know how to do an adapter of a ListView displaying the photos the user choose. The photos are Bitmap , any help? 回答1: You would do this exactly as you would do with a list that contains only

问题 Now I have an ImageView and its a circle which is at the slightly below than center position (But this should not matter). I have written code onTouch of ImageView for ACTION_DOWN,ACTION_UP ,now consider as user have put finger on circle and move and move.... I want to active some code when user move finger and exceed the region of CIRCLE image(As soon as user exceed the region the code should be ececuted onlly once) Here is my code ImageView view1 = (ImageView) findViewById(R.id

问题 I have been following a tutorial that remotely downloads an image to an imageview, but i'm not sure how to add a progress dialog (image or something) to show the user that image is downloading, instead of just a blank screen. Hope someone can help ImageView imView; String imageUrl="http://domain.com/images/"; Random r= new Random(); /** Called when the activity is first created. */ @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); this.requestWindowFeature(Window.FEATURE

问题 I want to close a popup menu on clicking a imageview.But it is not working. menuicon.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (f == 1) { f = 0; mPopupMenu.setContentWidth(ContactsActivity.this.getWindowManager() .getDefaultDisplay() .getWidth() / 2); mAdapter.notifyDataSetChanged(); mPopupMenu.setAnchorView(menuicon); mPopupMenu.show(); } else { mPopupMenu.dismiss(); f = 1; } } }); When I click the menuicon first time the popup menu is displaying

问题 I wish to add an image from Parse.com to an ImageView in a fragment I have created using Picasso. I get a Target must not be null. error in logcat whenever I try to open the fragment. This is occurring in .into(mProfilePicture); in the updateProfilePic() . Can anyone tell me why this is happening? public class MyProfileFragment extends Fragment implements View.OnClickListener { public static final String TAG = MyProfileFragment.class.getSimpleName(); protected Button mTakePicture; protected

问题 I have met problems dealing with the SVG-android library. In my main activity I want to display the SVG object on the imageview however, i am facing this error. java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.androidsvgdemo/com.example.androidsvgdemo.MainActivity}: com.larvalabs.svgandroid.SVGParseException: org.apache.harmony.xml.ExpatParser$ParseException: At line 1, column 0: not well-formed (invalid token) My codes are as follows: package com.example

问题 I'm trying to create a ViewPager that takes up the entire screen. Inside each fragment of the ViewPager, I have an ImageView that displays a semi-transparent picture. For some reason, when I try my solution on a Galaxy Nexus (4.0.4), it leaves a border on the left and right side of the ViewPager, as shown below: I've tried this on the following devices and it does not give that problem: Nexus S (4.1.1) Nexus One (2.3.6) Evo 4G (CM7.2, 2.3.7) Android emulator Would anyone be able to take a

问题 I want to show image in ImageView from my database... but I was failed.. and no error showing... this is my MainFragment (By the way Detailtxt is working normally..) public class MainFragment extends Fragment { ProgressDialog pDialog; JSONArray str_json = null; private static final String TAG_URL = "http://192.168.1.118/symanlub/readpromo.php"; public static final String TAG_SUCCESS = "success"; private static final String TAG_MESSAGE = "message"; JSONParser jsonParser = new JSONParser();