If, else if, else statement Java Android example
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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
*/
397LW NO topic_id
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String[] sAr = new String[] {"one","two","three"};
List<String> wordList = Arrays.asList(sAr);
Collections.shuffle( wordList);
String[]myShuffledArray = wordList.toArray(new String[wordList.size()]);
First: AdView is in XML file
Second: Using AdView in Fragment with LinearLayout
Resolve error in ADT Graphical layout editor:
The following classes could not be instantiated:
- com.google.android.gms.ads.AdView
More about:
https://developers.google.com/mobile-ads-sdk/docs/admob/android/play-migration?hl=it
<com.google.android.gms.ads.AdView
xmlns:ads="//schemas.android.com/apk/res-auto"
android:id="@+id/adView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
ads:adUnitId="MY_AD_UNIT_ID"
ads:adSize="BANNER"/>
// onResume
AdView adView = (AdView)this.findViewById(R.id.adView);
AdRequest adRequest = new AdRequest.Builder()
.addTestDevice(AdRequest.DEVICE_ID_EMULATOR)
.addTestDevice("TEST_DEVICE_ID")
.build();
adView.loadAd(adRequest);
Second: Using AdView in Fragment with LinearLayout
Resolve error in ADT Graphical layout editor:
The following classes could not be instantiated:
- com.google.android.gms.ads.AdView
// layout in xml file
<LinearLayout
android:id="@+id/layout"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
// java class with fragment in Fragment class or in Activity class
private static AdView adView;
@Override
public void onResume(){
super.onResume();
try {
// in xml is empty layout
adView = new AdView(getActivity());
adView.setAdUnitId("ca-app-pub-626/638103xxxxxxx");
adView.setAdSize(AdSize.BANNER);
LinearLayout layout = (LinearLayout)getView() .findViewById(R.id.layout);
layout.addView(adView);
AdRequest adRequest = new AdRequest.Builder().build();
adView.loadAd(adRequest);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
More about:
https://developers.google.com/mobile-ads-sdk/docs/admob/android/play-migration?hl=it
Check if in drawable folder have two picture with same name and delete one.
For example:
Check the module build folder in Android Studio for two files with same names.
For example:
image_1.jpg
image_1.png
Check the module build folder in Android Studio for two files with same names.
C:\Users\myFolder\AndroidStudioProjects\Project\yourModule\build\intermediates\res\merged\debug\drawable\
Generate random number Android Java example source code.
Random rand = new Random();
int i = rand.nextInt() % 256; // range -255 +255
System.out.print(i + "
"); // -184
i = Math.abs(rand.nextInt() % 12); // range 0 +11
System.out.print(i); // 7
// Math.random() start with 0. e.g. 0.35981234
int nRan = (int) (Math.random()*10); // 0 - 10
// nextDouble(), nextFloat(), nextInt(), nextLong() returns 0 - 10
import java.util.Random;´
Random r = new Random();
int nRan = r.nextInt(); // 0 - 10
double dRan = r.nextDouble() * 10; // e.g. 7.496285271597397
nextDouble – return 0 - 1
nextFloat – same as double
nextInt – -2147483648 +2147483647
nextLong – -922337203685775808 +9223372036854775807
nextGaussian – 0.0 aberation 1.0.
AndroidManifest.xml
<activity android:name="com.google.android.gms.ads.AdActivity"
android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"
android:theme="@android:style/Theme.Translucent" />
Editace: 2011-10-24 07:00:38
Počet článků v kategorii: 397
Url:if-else-if-else-statement-java-android-example
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