How set focus on View Android development example

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Set focus on a View in Android application example source code for Button, EditText, View, TextView, isFocused(), requestFocus() .


// set focus on Button Android example
 private Button mRightButton;
 mRightButton = (Button) a.findViewById(R.id.rightButton);
 mRightButton.requestFocus();
// boolean isFocused() 
boolean b = mRightButton.isFocused(); // true or false

// set focus on TextView directly Android example
((TextView) findViewById(R.id.myText)).requestFocus();

// set focus on View Android example
private View mView;
mView = findViewById(R.id.showAll);
mView.requestFocus();

// set focus on EditText Android example
private EditText mEdit;
mEdit = (EditText)findViewById(R.id.myEdit);
mEdit.requestFocus();

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Shuffle array int string Java Android | shuffle-array-int-string-java-android


String [] arOfStrings = {"one", "two", "three"};
List<String> mListOfStrings = new ArrayList<String>(Arrays.asList(arOfStrings));
Collections.shuffle(mListOfstrings);
String str = mListOfStrings.get(2);// 2 is index of pozition an element


int [] arOfInt = {1, 2, 3};
List<Integer> mListOfInt = new ArrayList<Integer>(Arrays.asList(arOfInt));
Collections.shuffle(mListOfInt);

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ArrayList Sublist Join Compare Loop Synchronize HashMap Sort Tree | arraylist-sublist-join-compare-loop-synchronize-hashmap-sort-tree

Link to tutorial

ArrayList Sublist of ArrayList Join two ArrayList Compare ArrayList Initialize ArrayList Loop ArrayList Sort ArrayList Array to ArrayList ArrayList to Array Synchronize ArrayList Serialize ArrayList LinkedList Loop LinkedList Vector ArrayList vs Vector ArrayList vs LinkedList HashMap Loop HashMap Synchronize HashMap Sort HashMap Serialize HashMap ArrayList vs HashMap TreeMap LinkedHashMap HashSet TreeSet LinkedHashSet ArrayList Methods

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Snow Text Effects Paint.NET | snow-text-effects-paint-net

For some graphics you can use Paint.NET editor.
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How quickly restart adb.exe ADB server Android emulator example | how-quickly-restart-adb-exe-adb-server-android-emulator-example

Create file restartADB.bat in folder
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"]

[/caption]

Try restart ADB if this or similar errors:
Emulator] emulator: emulator window was out of view and was recentred

235

Programmatically determine if App is running on Android Emulator | programmatically-determine-if-app-is-running-on-android-emulator

You can get list by class Build
For example:


if(Build.MANUFACTURER.equals("unknown")) {
		// Emulator
	}

List of Build class getting from emulator:
"BOARD=unknown
BRAND=generic
CPU_ABI=armeabi
DEVICE=generic
DISPLAY=sdk-eng 2.1-update1 ECLAIR 35983 test-keys
FINGERPRINT=generic/sdk/generic/:2.1-update1/ECLAIR/35983:eng/test-keys
HOST=android-test-13.mtv.corp.google.com
ID=ECLAIR
MANUFACTURER=unknown
MODEL=sdk
PRODUCT=sdk
TAGS=test-keys
TIME=1273161972000
TYPE=eng
USER=android-build
"

Editace: 2011-10-09 13:08:13
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Url:how-set-focus-on-view-android-development-example

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