layout-inflater

问题 I am trying to change the image in an ImageView of a different layout. For this, I am using Layout Inflator, because I don't know any other way. The image gets visible when users click a button and according to the selected button, image gets visible. But this method is not working for me. This is my layout file: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match

问题 I am trying to add multiple relative layouts to a Linear layout. I am using the following lines of code. LayoutInflater inflator = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE); LinearLayout item = (LinearLayout)findViewById(R.id.reviews); for(int i=0 ; i<2 ; i++){ View child = inflator.inflate(R.layout.review_item, null); child.setId(i); child.setTag(i); item.addView(child); } But I can only see one child view. Can anyone tell me where I am going wrong. 回答1: Declare the

问题 I have designed a listview by inflating each row using inflater and I have changed color of convertView's elements on their click events. But after scrolling the list the elements loss these changes. How can I "preserve" their state and represent them? And there is one more query in my mind, when clicking the submit button, how can I calculate the total number of "listitems" which had not been clicked? before scroll http://69.imagebam.com/download/l4tJZG08i5tM_7SV3K_fHQ/18631/186307764/snap1

问题 I'm writing an android application which starts of as a listview, for which I've written a class that extends ArrayAdapter, populating each row from a database. When an Item in the list is clicked, it fires an intent to another class which I want to list the details of the item clicked, so I can inflate the view with the item details. For now I just want to inflate one TextView as follows. <TextView android:id="@+id/name" android:textColor="#FFFFFF" android:layout_width="match_parent" android

问题 I'm writing an android application which starts of as a listview, for which I've written a class that extends ArrayAdapter, populating each row from a database. When an Item in the list is clicked, it fires an intent to another class which I want to list the details of the item clicked, so I can inflate the view with the item details. For now I just want to inflate one TextView as follows. <TextView android:id="@+id/name" android:textColor="#FFFFFF" android:layout_width="match_parent" android

问题 I have a customised view, and at certain moment of the game I am developing, I want to show a confirmation message to the user. For the confirmation message, I created a new xml file in the layout folder, and in the cistomised view og the game I am trying to refer to that layout as follows: private void showConfirmation() { LayoutInflater mLayoutInf = LayoutInflater.from(this.mContext); View confMSG_View = mLayoutInf.inflater(R.layout.confirm_msg, null); ..... ..... } But, at this step,

问题 I am trying to create a method where each time I click a button, I want the screen to display a Relative Layout box below one that is currently there or create one at the top if there isn't one there and I want it to keep creating them below from each button click. Currently using this method, nothing happens when the button is clicked. Here is the code that I have so far and can someone please help me see what I am doing wrong and what I can do to fix this issue: public void createNewLayout(

问题 I am trying to create a method where each time I click a button, I want the screen to display a Relative Layout box below one that is currently there or create one at the top if there isn't one there and I want it to keep creating them below from each button click. Currently using this method, nothing happens when the button is clicked. Here is the code that I have so far and can someone please help me see what I am doing wrong and what I can do to fix this issue: public void createNewLayout(

问题 I read the answer on Why does LayoutInflater ignore the layout_width and layout_height layout parameters I've specified? and wanted to make sure i understood what attach to root does. Basically if you do inflater.inflate(int idOfLayoutFile, ViewGroup parent, boolean AttachToRoot) and lets say parent is not null From what I got out of that answer was that attach to root just affects what the return type is of the inflate method. That is if attachToRoot is true , method will return parent, and

问题 I want to add multiple buttons dynamically through the code on button click, I searched many previous posts which shows to add single button, but I need multiple ones. Attached is the sample code. public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button b1 = (Button)findViewById(R.id.button1); b1.setOnClickListener(new View.OnClickListener() { @Override public