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Create RadioButton RadioGroup dynamically - Android sample



public class MainActivity extends Activity implements OnClickListener {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        LinearLayout layout = (LinearLayout) findViewById(R.id.layout);
            RadioGroup radioGroup = new RadioGroup(this);
            
            LinearLayout.LayoutParams p = new LinearLayout.LayoutParams(
                    LinearLayout.LayoutParams.FILL_PARENT,
                    LinearLayout.LayoutParams.WRAP_CONTENT
            );
            layout.addView(radioGroup, p);

            RadioButton radioButtonView = new RadioButton(this);
            radioButtonView.setText("RadioButton");
            radioButtonView.setOnClickListener(this);
            radioGroup.addView(radioButtonView, p);
            
            RadioButton radioButtonView2 = new RadioButton(this);
            radioButtonView2.setText("RadioButton2");
            radioButtonView2.setOnClickListener(mThisButtonListener);
            radioGroup.addView(radioButtonView2, p);
        
    }
    
    public void onClick(View view) {
    	 try {
    	  String s = ((RadioButton) view).getText().toString();
    	  Toast.makeText(MainActivity.this, "This is: " + s,
    			  Toast.LENGTH_LONG).show();
    	 }
    	 catch (Exception e1) {
    	   e1.printStackTrace();
    	 }
    	}
    
    private OnClickListener mThisButtonListener = new OnClickListener() {
        public void onClick(View v) {
        	String s = ((RadioButton) v).getText().toString();
        	Toast.makeText(MainActivity.this, "Hello from 2!" + s,
        			Toast.LENGTH_LONG).show();
        }
    };

}

397LW NO topic_id



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Change icon set Android developers example | change-icon-set-android-developers


How to quickly change all icon set in .apk project with Eclipse:

Right click on project in folder tree
Select New - Ohter

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In open wizard dialog select Android Icon Set
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Set Icon set name:
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Open some large icon for your project for example 512x512 px and wizard will make all set of icons from one largest icon:
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Wizard will create all set of icons from this one largest icon.
Click on finish button:
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fragment Binary XML file line Must specify unique android:id, android:tag, or have a parent with an id for | fragment-binary-xml-file-line-must-specify-unique-androidid-androidtag-or-have-a-parent-with-an-id-for


FrameLayou, fragment have to unique id android:id="@+id/your_id_unique"

<FrameLayout xmlns:android="//schemas.android.com/apk/res/android"
    xmlns:tools="//schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <fragment
        android:id="@+id/your_id_unique"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        class="cz.okhelp.notepad.AddNoteFragment"
        tools:layout="@layout/add_note" />

</FrameLayout>
319

Unable to execute dex: Multiple dex files define Eclipse Android | unable-to-execute-dex-multiple-dex-files-define-eclipse-android


Try each step separately:


  1. Restart Eclipse

  2. Clean project and rebuild

  3. Create a new project and try it if the problem persists, if no move copy project to other folder, delete project from workspace , create new project same name and copy java, xml etc. files to new project

  4. Close Eclipse, backup folder c:\Users\myName\workspace\.metadata and delete it. Restart Eclipse try again import project to workspace


  5. Re-installing the Android Developer Tools


  6. Re-installing Eclipse - rename old folder with Android to Android_old, create new folder C:\Program Files\Android and copy new Eclipse with sdk into new folder


  7. Created a new project importing from the file system


  8. Created a new project from subversion



314

Import project Android Eclipse | import-project-android-eclipse


Import a new Android project for example downloaded from internet via Eclipse into project folder.

  1. Right click into projects explorer in Eclipse and select Import

  2. Android

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  4. Root Directory (select folder of downloaded project)

  5. Check your downloaded project

  6. Check Copy project into Workspace

  7. Finish (press)






Editace: 2011-10-22 08:30:24
Počet článků v kategorii: 397
Url:create-radiobutton-radiogroup-dynamically-android-sample
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