Android Studio Gradle Download Link

Click Handler Android Java example source code. Open new class as activity and open URL in browser.
In layout.xml file:

 android:layout_height="wrap_content" android:onClick="@string/clickHandler">

In string.xml

myClickHandler

In MainClass.java file

	public void myClickHandler(View view) {
		switch (view.getId()) {
		// open new class as activity
		case R.id.btnOpenClass: {
				Intent pictureActivity = new Intent(getBaseContext(),
						MyClass.class);
				startActivity(pictureActivity);
		}
		break;			
			
		case R.id.btnAbout: {
			//aboutDialogCreate();
		}
			break;
			
		// open url	
		 case R.id.btnHome: {
		 String url = "//android.okhelp.cz/";
		 Intent i = new Intent(Intent.ACTION_VIEW);
		 i.setData(Uri.parse(url));
		 startActivity(i);
		 }break;

		}

	}// end myClickHandler

// listener .. if click on button will scrolling to mTextView bottom
private OnClickListener mButtonListener = new OnClickListener() {
	    public void onClick(View v) {
	      // do something when the button is clicked
	    int nBottom =	mTextView.getBottom();
	    hScrollView.scrollTo(0, nBottom);
	    }
	};

Failed to rename directory ....
If using for update Android SDK manager,
try close Eclipse if is open.
Or change security settings of the folder which have problem.
Or disable antivirus for a moment.

Issue: After after renaming package this problem occurred "R cannot be resolved to a variable".

Solution: Try Clean your project Project » Clean » Clean projects selected below » select your project and click OK.

Try to delete the invalid code and type it again:

LinearLayout layout = (LinearLayout) findViewById(R.id.layout); // delete R.id.layout
LinearLayout layout = (LinearLayout) findViewById(); 
LinearLayout layout = (LinearLayout) findViewById(R.id.layout); // re-write this code R.id.layout

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


3. Existing Android Code Into Workspace


4. Root Directory (select folder of downloaded project)


5. Check your downloaded project


6. Check Copy project into Workspace


7. Finish (press)

Table of usability of mobile phones with Android – February 2012 - (application Sky Map)

1	Samsung Galaxy S2	6.3%
2	HTC Desire HD	3.5%
3	HTC Evo 4G	3.4%
4	Samsung Galaxy Ace	2.1%
5	Samsung Galaxy S (SCH-I500)	2.1%
6	Samsung Galaxy S (GT-I9000)	2.1%
7	HTC Incredible 2	2.0%
8	Motorola Droid X	1.9%
9	Motorola Droid RAZR	1.9%
10	HTC Sensation 4G	1.7%