Rounded rect RectF Android example
RectF, drawRoundRect(),
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) {
Paint paint = new Paint();
canvas.drawColor(Color.GREEN);
Bitmap b = Bitmap.createBitmap(200, 200, Bitmap.Config.ALPHA_8);
Canvas c = new Canvas(b);
RectF rectF = new RectF();
rectF.set(5,5,150,150);
c.drawRoundRect(rectF, 10, 10, paint);
paint.setColor(Color.RED);
canvas.drawBitmap(b, 10,10, paint);
}
}
}
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Další témata ....(Topics)
Environment.getExternalStorageDirectory()+ File.separator
AndroidManifest.xml
Boolean canWrite = Environment.getExternalStorageDirectory().canWrite() ;
if(canWrite){
File f = new File(Environment.getExternalStorageDirectory()
+ File.separator + "my_image.jpg")
f.createNewFile();
}else{
}
AndroidManifest.xml
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
Long press by finger on screen
From dialogue select Widgets
Select your widget
Put your widget on the screen
Video tutorial - to add home screen widgets - Android 2.1
From dialogue select Widgets
Select your widget
Put your widget on the screen
Video tutorial - to add home screen widgets - Android 2.1
If you using GoogleAdMobAdsSdk-4.0.4.jar in your project and set android:targetSdkVersion="17" in AndroidManifest.xml , ads will not visible on emulator with Android 4.0.3 or 4.1.
You have to set as android:targetSdkVersion="17"
Update project.properties file - row with target to 17:
You have to set as android:targetSdkVersion="17"
<uses-sdk android:minSdkVersion="4"
android:targetSdkVersion="17" />
Update project.properties file - row with target to 17:
# Project target.
target=android-17
Drawable dr = getResources().getDrawable(R.drawable.algebra);
int h = dr.getIntrinsicHeight();
int w = dr.getIntrinsicWidth();
Bitmap ball = BitmapFactory.decodeResource(getResources(), R.drawable.algebra);
int _nWidth = ball.getWidth();
int _nHeight = ball.getHeight();
Brand | Motorola |
Model (codename) | Droid Razr |
Price (cena, včetně DPH v KCZ) | 10800 / 06.2012 |
Display size in Inch (v palcích) | 4.3 |
Display-resolution | 540x960 |
Dotek-typ | capacitive |
CPU typ | TI 4430 |
CPU MHz | 1.2 GB |
CPU core | 2 |
L2 cache | |
RAM | 1024 |
ROM | 15600 |
GPU | SGX540 |
NenaMark2 Benchmark | |
GPU-GLBenchmark | 3299 |
Baterie mAh | 1780 |
Foto MPx | 8 |
Autofocus | AF |
Video | HD video 30 frames/s |
Official Android ICS | Google Android 2.3.5 (Gingerbread) |
CyanogenMod support | |
Dotek-prstů-max | 10 |
Display-ppi | 256 |
Display-retina | 79% |
Networks | |
Connectivity | GSM: 850/900/1800/1900 MHz, EDGE, GPRS 3G: 900/2100 MHz, HSDPA, HSUPA, HSPA+ Bluetooth: 4.0 (EDR, A2DP, FTP, PBAP, AVRCP) Wi-Fi: 802.11b/g/n PC: microUSB, USB 2.0, microHDMI Senzors: proximity, gyroskop, akcelerometr GPS: yes, A-GPS, digital compas |
Note | Super AMOLED Display |
Motorola Droid Razr image
Editace: 2011-11-13 20:49:14
Počet článků v kategorii: 396
Url:rounded-rect-rectf-android-example