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Start Open New Activity Android Code


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      Intent i = new Intent(this, MyNextClass.class);
      startActivity(i);



397LW NO topic_id




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Další témata ....(Topics)


162

Horizontal marquee text in Button android example | horizontal-marquee-text-in-button-android-example


If a button have focus, marquee will run.
Important:
android:singleLine="true"
android:ellipsize="marquee"
Optional:
android:marqueeRepeatLimit="1"



// main.xml
    <Button
        android:layout_width="150dip" 
        android:layout_height="wrap_content"
        android:text="My button with a long text for marquee as a example source code"
        android:singleLine="true"
        android:ellipsize="marquee"
        android:marqueeRepeatLimit="1"/>


287

AlertDialog setButton Deprecated | alertdialog-setbutton-deprecated


Solution:

public void alertMy(String sTitle, String sMessage){
	AlertDialog.Builder builder = new AlertDialog.Builder(Test.this); // activity
  builder.setTitle(sTitle)
  .setMessage(sMessage)
  .setCancelable(false)
  .setNegativeButton("Close",new DialogInterface.OnClickListener() {
      public void onClick(DialogInterface dialog, int id) {
          dialog.cancel();
      }
  });
  AlertDialog alert = builder.create();
  alert.show();

}

254

Spinner Text Size Android Example | spinner-text-size-android-example



      Spinner  _spin1 = (Spinner) findViewById(R.id.spinLangFirst);
      ArrayAdapter<String> adapterJazyky = new ArrayAdapter<String>(this,
              R.layout.spinner_text_layout.xml, {"one","two","etc...."});
      adapterJazyky.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
      _spin1.setAdapter(adapterJazyky);





spinner_text_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="//schemas.android.com/apk/res/android"
          android:id="@+id/spinnerText"
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
         
         android:textSize="20sp"
/>
86

Map TreeMap key value pair add put get pair by key Java Android example | map-treemap-key-value-pair-add-put-get-pair-by-key-java-android-example


Map TreeMap add key value pair get find pair by key Java Android example.

MainClass.java

import java.util.Map;
import java.util.TreeMap;

public class MainClass {
	public static void main(String[] arg) {
		
		// english;germany dictionary
		String[] arrayOfString = { "one;eine", "two;zwei", "three;drei" };

		Map<String, String> map = new TreeMap<String, String>();
	    
		for(String s: arrayOfString){
	    	String[] array = s.split(";");
	    	String sKey ="", sValue="";
	    	if(array.length > 1){
	    	sKey = array[0]; sValue = array[1];
	    		map.put(sKey, sValue);
	    	}
	    }

       // check if key exists 	    
	   if( map.containsKey("two")){
		System.out.print("two = " + map.get("two"));
	   }
	}
}
/*
two = zwei
 */

207

ADT 20 Eclipse New Activity wizard cannot be complete due to support library | adt-20-eclipse-new-activity-wizard-cannot-be-complete-due-to-support-library


Issue:
When using New Activity wizard, ADT 20 asked to install Android Support library version 8 even though version 9 has been installed.

Pressing "Install/Update" then ADT popup a window downloading Support library, when finished nothing happen.
Pressing "Check Again" does nothing.
If i restarting Eclipse again this problem.

Notice: If you install new version ADT or update via SDK Manager, open SDK Manager standalone and close Eclipse.
Workaround:
- Close Eclipse
- Open SDK Manager standalone (c:\Program Files\Android\android-sdk-windows\SDK Manager.exe)
- Check the checkbox and uninstall Extras -> Android Support Library.
- Check again Extras -> Android Support Library and install it
- Restart Eclipse
- Try to create new project

new-activity-adt-20-issue

adt-20-support-library


Editace: 2013-07-21 13:33:10
Počet článků v kategorii: 397
Url:start-open-new-activity-android-code

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