Draw Path drawPath draw the trajectory of shot Android basic example
Draw the trajectory of shot.
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);
}
private static void makePath(Path p) {
p.moveTo(10, 0);
p.cubicTo(100, -50, 200, 150, 300, 0);
}
@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(5);
// opacity
//p.setAlpha(0x80);
p.setColor(Color.BLACK);
Path mPath = new Path();
makePath(mPath);
canvas.drawPath(mPath, p); //(rectF, 90, 45, true, p);
}
}
}
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Eclipse.
If install on device signed with proguard *.apk package and try to reinstall it by only signed package get error in parsing the package.
Uninstall the first application with bigger size from device and try install signed package which has a smaller size. Delete from download list previous downloaded *.apk.
This problem occurs when that your downloaded apk file size is less than the
size of the original apk.
If install on device signed with proguard *.apk package and try to reinstall it by only signed package get error in parsing the package.
Uninstall the first application with bigger size from device and try install signed package which has a smaller size. Delete from download list previous downloaded *.apk.
This problem occurs when that your downloaded apk file size is less than the
size of the original apk.
- create div with class with name e.g. circle
- create in styleSheet.css class circle
html code
<div class="circle" id="">3</div>
css code
.circle {
border-radius: 50%;
width: 50px;
height: 50px;
background: yellow;
position: absolute;
display: block;
border: 6px solid blue;
font-size: 50px;
text-align: center;
}
3
Put extends PreferenceFragment API level 11 instead PreferenceActivity
public class SettingsActivity extends PreferenceFragment {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preferences);
}
}
// or insert suppresswarning
public class SettingsActivity extends PreferenceActivity {
@SuppressWarnings("deprecation")
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preferences);
}
}
Create file restartADB.bat in folder
c:\Program Files\Android\android-sdk-windows\platform-tools\
Write into restartADB.bat this code:
Save restartADB.bat file.
If you want restart adb.exe server, run restartADB.bat by double click on icon.
Next example:
[caption id="attachment_778" align="alignleft" width="300" caption="ADB server restart by command line"]
[/caption]
Try restart ADB if this or similar errors:
Emulator] emulator: emulator window was out of view and was recentred
c:\Program Files\Android\android-sdk-windows\platform-tools\
Write into restartADB.bat this code:
adb kill-server && adb start-server
pause
Save restartADB.bat file.
If you want restart adb.exe server, run restartADB.bat by double click on icon.
Next example:
- Open Total Commander
- Open folder with adb.exe usually in
c:\Program Files\Android\android-sdk-windows\platform-tools\ - Put into command line command: adb kill-server && adb start-server and press Enter
[caption id="attachment_778" align="alignleft" width="300" caption="ADB server restart by command line"]

Try restart ADB if this or similar errors:
Emulator] emulator: emulator window was out of view and was recentred
if , else if, else statement with string as a switch statement in 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" };
for (int i = 0; i < arrayOfString.length; i++) {
if (arrayOfString[i].equals("Hello"))
System.out.println(arrayOfString[i]);
else if (arrayOfString[i].equals("people"))
System.out.println(arrayOfString[i]);
else if (arrayOfString[i].equals("hello"))
System.out.println(arrayOfString[i]);
else if (arrayOfString[i].equals("world!"))
System.out.println(arrayOfString[i]);
else // default
System.out.println("Default");
}
}
}
/*
Default
Hello
people
Default
hello
world!
Default
*/
Editace: 2013-12-09 13:10:58
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Url:draw-path-drawpath-android-basic-example