Copy sqlite database from apk package to device folder Android example
Put your sglite database to Android Eclipse project folder named Assets.
On device will copy database file to application folder as this example:
On device will copy database file to application folder as this example:
public void createDatabase(Context myContext) throws IOException {
String sPackName = myContext.getPackageName();
InputStream assetsDB = myContext.getAssets().open("myDatabase");
OutputStream dbOut = new FileOutputStream("/data/data/"+sPackName+"/database");
byte[] buffer = new byte[1024];
int length;
while ((length = assetsDB.read(buffer))>0){
dbOut.write(buffer, 0, length);
}
dbOut.flush();
dbOut.close();
assetsDB.close();
}
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- create new folder with values in resources folder in project with extension your language code
For example:
My language is Czech (cs)
I have to create the folder values-cs in res folder
Into every values folder put strings.xml file
Translate every string from values folder into your locale.
If user selected your locale in device settings, application selects a string from the correct (proper) folder.
For example:
My language is Czech (cs)
I have to create the folder values-cs in res folder
// for locale English is default
/MyProject/res/values
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">App English default</string>
<string name="action_settings">Settings English default</string>
<string name="hello_world">Hello world</string>
</resources>
// for locale Czech (cs)
/MyProject/res/values-cs
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Aplikace česky cs</string>
<string name="action_settings">Nastavení česky</string>
<string name="hello_world">Ahoj světe!</string>
</resources>
// for locale English US (r is region)
/MyProject/res/values-en-rUS
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">App English Us locale</string>
<string name="action_settings">Settings English Us locale</string>
<string name="hello_world">Hello world from USA :)</string>
</resources>
Into every values folder put strings.xml file
Translate every string from values folder into your locale.
If user selected your locale in device settings, application selects a string from the correct (proper) folder.
Change the title associated with this activity. If this is a top-level activity, the title for its window will change. If it is an embedded activity, the parent can do whatever it wants with it.
String sTitle = "My new title";
setTitle(sTitle);
Canvas, drawCircle(), Paint, onDraw(), setStrokeWidth(), setStyle()
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(new SampleView(this));
}
private static class SampleView extends View {
// CONSTRUCTOR
public SampleView(Context context) {
super(context);
setFocusable(true);
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawColor(Color.CYAN);
Paint p = new Paint();
// smooths
p.setAntiAlias(true);
p.setColor(Color.RED);
p.setStyle(Paint.Style.STROKE);
p.setStrokeWidth(4.5f);
// opacity
//p.setAlpha(0x80); //
canvas.drawCircle(50, 50, 30, p);
}
}
}
String[] sAr = new String[] {"one","two","three"};
List<String> wordList = Arrays.asList(sAr);
Collections.shuffle( wordList);
String[]myShuffledArray = wordList.toArray(new String[wordList.size()]);
Goto in for cycle Java example source code.
MainClass.java
MainClass.java
public class MainClass {
public static void main(String[] arg) {
String[] arrayOfString = {"nothing", "Hello", "people"
, "bye-bye", "hello", "world!", "end" };
OuterLoop: for (int i = 0;i<6; i++) {
for (int j = 0; j < arrayOfString.length; j++) {
if (arrayOfString[j].equals("world!")) {
continue OuterLoop; // as goto from Csharp, or C/C++
}
System.out.println(arrayOfString[j]);
System.out.println(i);
if (i == 1) {
System.out.println("break");
break OuterLoop;
}
}
}
}
}
/*
nothing
0
Hello
0
people
0
bye-bye
0
hello
0
nothing
1
break
*/
Editace: 2011-09-15 08:37:18
Počet článků v kategorii: 396
Url:copy-sqlite-database-from-apk-to-device-folder-android-example
