Check Internet connection Android example
public boolean isConnected() {
try {
ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
return cm.getActiveNetworkInfo().isConnectedOrConnecting();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
Log.e("isConnected", e.getMessage());
Toast.makeText(getApplicationContext(), e.getMessage(),
Toast.LENGTH_LONG).show();
return false;
}
396LW NO topic_id
AD
Další témata ....(Topics)
How setup color coloring highlight highlighting syntax font size and family in Eclipse Java and XML editor Android example
Java editor
xml editor
xml editor double click in Preferences dialog on xml -> Editor -> Syntax coloring
[caption id="attachment_627" align="alignleft" width="297" caption="Eclipse editor syntax color settings"]
[/caption]
Java editor
- Go to Eclipse menu Window -> Preferences
- Doubleclick on Java
- Double click on Editor
- Select Java, Javadocs or Comments and setup color and font
- Font size and family change from Window->Preferences-> General->Appearance->Colors and Fonts
- Press OK for saving changes
xml editor
xml editor double click in Preferences dialog on xml -> Editor -> Syntax coloring
[caption id="attachment_627" align="alignleft" width="297" caption="Eclipse editor syntax color settings"]

/data/data/<package>/shared_prefs/<package>_preferences.xml
String TAG = "MyActivityName";
File f = new File("/data/data/"+this.getPackageName()
+"/shared_prefs/"+this.getPackageName()+"_preferences.xml");
if(f.exists())
Log.d(TAG, "exist");
else
Log.d(TAG, "not exist");
Nejlepší Smartphone jaro 2012.
Pdf file
Video - záznam a kvalita videa HTC One S
**VIDEO YOUTUBE
Brand | HTC |
---|---|
Model (codename) | One S |
Price - (Cena, včetně DPH) | 13000 |
Display size in Inch (v palcích) | 4.3 |
Display-resolution (rozlišení) | 960x540 |
Dotek-typ | multi-touch capacitive |
CPU typ | MSM8260A |
CPU MHz | 1500 |
CPU core | 2 |
L2 cache | |
ROM | 16 GB |
RAM | 1 GB |
GPU | Adreno 225 |
NenaMark2 Benchmark | |
GPU-GLBenchmark | |
Battery mAh | 1650 mAh, 10.5 hours of talk time and 13.2 days of stand-by time |
Foto MPx | 8 |
Autofocus | AF |
Video | HD záznam videa, 1920×1080 (1080p HD) @ 30 frame/s - 3GP, .3G2, MP4, WMV, AVI |
Official Android ICS | Android 4.0 Ice Cream Sandwich, HTC Sense 4.0 overlay |
CyanogenMod support | |
Dotek-prstů-max | |
Display-ppi | |
Display-retina | |
Network | HSPA/WCDMA: • Europe/Asia: 850/900/2100 MHz GSM/GPRS/EDGE: • 850/900/1800/1900 MHz |
Connectivity | 3.5 mm stereo audio jack Bluetooth with aptX™ enabled (Bluetooth® 4.0) Wi-Fi®: IEEE 802.11b/g/n DLNA® for wirelessly streaming media from the phone to a compatible TV or computer micro-USB 2.0 (5-pin) port with mobile high-definition video link (MHL) for USB or HDMI connection (Special cable required for HDMI connection.) |
Pozn. |
Pdf file

Video - záznam a kvalita videa HTC One S
**VIDEO YOUTUBE
Canvas, drawLine(), setStrokeWidth(), Paint, setAntiAlias(boolean), onDraw()
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.YELLOW);
Paint p = new Paint();
// smooths
p.setAntiAlias(true);
p.setColor(Color.RED);
p.setStrokeWidth(4.5f);
// opacity
p.setAlpha(0x80); //
// drawLine (float startX, float startY, float stopX, float stopY,
// Paint paint)
canvas.drawLine(0, 0, 40, 40, p);
canvas.drawLine(40, 0, 0, 40, p);
}
}
}
android:autoLink="all"
<!-- text1 automatically linkifies things like URLs and phone numbers. -->
<TextView
android:id="@+id/text1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:autoLink="all"
android:text="@string/link_text_auto"
/>
Editace: 2011-11-19 21:15:12
Počet článků v kategorii: 396
Url:check-internet-connection-android-example