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Titlebar title bar change text setTile Android example


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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);




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158

Check Internet connection Android example | 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;
	}


244

Include xml into another xml Android Example | include-xml-into-another-xml-android-example


How include layout defined in other xml file into another xml file example:
res/layout/my_layout.xml into
main.xml

<include  layout="@layout/my_layout" android:id="@+id/idMyLayout" />
94

Is NaN isNaN isInfinite number value Java Android example | is-nan-isnan-java-example


float, double is NaN isNaN() isInfinite() Java Android example.

float f = 0.f;
boolean bIsNaN = Float.isNaN(f);
boolean bIsInfinite = Float.isInfinite(f);

 double d = Math.sqrt(-10);
 boolean b = Double.isNaN(d);

285

Unable to resolve target android | unable-to-resolve-target-android


Unable to resolve target android-7
Try this solution:
Select project from tree (project explorer)
- right click on project
- properties
- select Android from tree
- change Project Build Target to higher (or change project build target)
- selct from menu: Project-Clean ( select your project - OK)
210

No Launcher activity found Android Emulator Error | no-launcher-activity-found-android-emulator-error


Error: No Launcher activity found!
The launch will only sync the application package on the device!
Android emulator not showing the app
Workaround:
Check AndroidManifest.xml for MAIN and LAUNCHER. MyActivity.java is first Activity what will opened if .apk is installed.

<application android:label="@string/app_name" android:icon="@drawable/icon">
    <activity android:name="MyActivity"
              android:label="@string/app_name">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
</application>


Editace: 2011-09-17 12:34:02
Počet článků v kategorii: 397
Url:titlebar-title-bar-change-text-android-example

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