Delete Canvas - Fill Canvas Android example

Convert number int to string Android Java example source code.

int n = 0;

try {
    n = Integer.parseInt("21"));
} catch(NumberFormatException e) {
   System.out.println("Could not parse " + e);
} 
// int to string
String s = String.valueOf(24);

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%

InputStream, getResources(),openRawResource()

 java.io.InputStream is;
is = context.getResources().openRawResource(R.drawable.my_image);

Drawable mDrawable = context.getResources().getDrawable(R.drawable.button);
mDrawable.setBounds(150, 20, 300, 100);


Drawable[] mDrawables;
int[] resIDs = new int[] {
                R.drawable.btn_ok,
                R.drawable.btn_storno,
                R.drawable.btn_help
            };
            mDrawables = new Drawable[resIDs.length];
            Drawable prev = mDrawable;
            for (int i = 0; i < resIDs.length; i++) {
                mDrawables[i] = context.getResources().getDrawable(resIDs[i]);
                mDrawables[i].setDither(true);
                addToTheRight(mDrawables[i], prev);
                prev = mDrawables[i];
            }

Open your workspace folder and subfolder .metadata:
C:\Users\workspace\.metadata\

Delete .lock file

If You create new xml file with prefix _ , for example _style.xml and You to clean project (Project->Clean), than package in folder project\gen will deleted with R.java class and new R.java not be created.

For to solving this problem You have to rename file without prefix _ as style.xml or name what You need and rebuild project.

If some ID cannot be resolved or is not a field get error occurence
You have to delete import android.R; in Activity.class if was inserted,
when this error is displayed.