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Spam v komentářích je nepříjemný a zatěžuje server. Jednou z metod, jak jej omezit je povolit přidávat komentáře jen registrovaným členům. Toho ve Wordpress dosáhneme v administraci z menu Settings - Discussion kde zaškrtneme políčko Users must be registered and logged in to comment a nastaveni uložíme.
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Další témata ....(Topics)
PNG, GIF, BMP, JPG
// //www.apache.org/licenses/LICENSE-2.0
// 1.) Bitmap from stream
InputStream is = context.getResources().openRawResource(R.drawable.my_image);
mBitmap = BitmapFactory.decodeStream(is);
// 2.)
Bitmap ball = BitmapFactory.decodeResource(getResources(), R.drawable.ball);
int dstWidth =120;
int dstHeight = 120;
mBitmap = Bitmap.createScaledBitmap(ball, dstWidth, dstHeight, true);
// 3.)
Bitmap mBitmap = Bitmap.createBitmap(320, 480, Bitmap.Config.ARGB_8888);
Bitmap mBitmap;
Canvas mCanvas;
Paint mBitmapPaint;
mBitmap = Bitmap.createBitmap(320, 480, Bitmap.Config.ARGB_8888);
mCanvas = new Canvas(mBitmap);
mBitmapPaint = new Paint(Paint.DITHER_FLAG);
// 4.)
Bitmap mBitmap = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
Canvas mCanvas.setBitmap(mBitmap);
mCanvas.drawColor(0xFFFFFFFF);
Click Handler Android Java example source code. Open new class as activity and open URL in browser.
In layout.xml file:
In string.xml
In MainClass.java file
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);
}
};
The Labeled continue statement as goto Java example.
public class MainClass {
public static void main(String[] arg) {
String[] arrayOfString = { "Hello", "people", "hello", "world!" };
OuterLoop: for (int e = 0; e < 4; e++) {
for (int i = 0; i < arrayOfString.length; i++) {
if (arrayOfString[i].equals("hello"))
continue OuterLoop;
System.out.println(arrayOfString[i]);
}
}
}
}
/*
Hello
people
Hello
people
Hello
people
Hello
people
*/
R.string.app_name to String example.
MyActivity.java
res/values/string.xml
MyActivity.java
Resources res = getResources();
String sText = res.getString(R.string.app_name);
res/values/string.xml
<resources>
<string name="app_name">My app name</string>
</resources>
Try this source code:
Issue: Immutable bitmap passed to Canvas constructor
Solution: Bitmap myBitmap = BitmapFactory.decodeResource(getResources(),R.drawable.my_image)
.copy(Bitmap.Config.ARGB_8888, true);
Bitmap myBitmap = BitmapFactory.decodeResource(getResources(),R.drawable.my_image)
.copy(Bitmap.Config.ARGB_8888, true);
Canvas c = new Canvas(myBitmap);
// etc. .......
Issue: Immutable bitmap passed to Canvas constructor
Solution: Bitmap myBitmap = BitmapFactory.decodeResource(getResources(),R.drawable.my_image)
.copy(Bitmap.Config.ARGB_8888, true);
Editace: 2011-09-14 21:09:28
Počet článků v kategorii: 396
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