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How to programmatically set the button style - Android

How set rounded corners and own styles ActivityMy.java

Button btn.setBackgroundResource(R.drawable.back_button_answer);



\res\drawable\back_button_answer.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="//schemas.android.com/apk/res/android" android:shape="rectangle" >
   <corners android:radius="10dip" />
   <!-- background -->
   
   <gradient
                android:startColor="#D6D7D6"
                android:centerColor="#E2E2E2"
                android:centerY="0.75"
                android:endColor="#D6D7D6"
                android:angle="270"
        />
   
   <stroke android:width="2dip" android:color="#fff"/>
</shape>

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233

tag should specify a target API level Warning | uses-sdk-tag-should-specify-target-api


Warning in AndroidManifest.xml:
tag should specify a target API level (the highest verified version; when running on
later versions, compatibility behaviors may be enabled) with android:targetSdkVersion="?"

Solution:

    <uses-sdk android:minSdkVersion="4"
         android:targetSdkVersion="16" />
219

Full Screen No title Android | full-screen-no-title-android


Full Screen without titlebar and statusbar for Android Activity.
In Activity.java

public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
         requestWindowFeature(Window.FEATURE_NO_TITLE);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setContentView(R.layout.main);
    }

or in AndroidManifest.xml

<activity android:name=".ActivityName"
    android:label="@string/app_name"
    android:theme="@android:style/Theme.NoTitleBar.Fullscreen">
</activity>

249

Drawable Bitmap get width height Android | drawable-bitmap-get-width-height-android



		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();


258

Shuffle Array of String Java Example | shuffle-array-of-string-java-example



       String[] sAr = new String[] {"one","two","three"};
       List<String> wordList = Arrays.asList(sAr);
       Collections.shuffle( wordList);
       String[]myShuffledArray = wordList.toArray(new String[wordList.size()]);


179

HTC Incredible 2 | htc-incredible-2


HTC Incredible 2 cena od 6 000 KCZ Kč (únor.2012)
Spokojenost uživatelů nadprůměrná.
HTC Incredible 2 je chytrý telefon s operačním systémem Android.
HTC Incredible 2 je (22.února2012) 7. nejpoužívanějším chytrým telefonem u programu Sky Map viz tabulka.

HTC Incredible 2 - video recense