RadioButton RadioGroup Java Android example
RadioButton RadioGroup Android example source code for Android developer
Example for *.xml files
Example for *.java files
Example for *.xml files
<RadioGroup android:id="@+id/idRadio_group"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="20dp"
android:orientation="vertical">
<RadioButton android:id="@+id/idRadio_1"
android:text="@string/textLabel_1"/>
<RadioButton android:id="@+id/idRadio_2"
android:text="@string/textLabel_2"/>
<RadioButton android:id="@+id/idRadio_3"
android:text="@string/textLabel_3"/>
</RadioGroup>
Example for *.java files
// import
import android.widget.RadioGroup;
// get handle of RadioGroup
RadioGroup mRadioGroup = (RadioGroup) findViewById(R.id.idRadio_group);
// which RadioButton is selected for example in some function body
int nUnits = 10; // decimetry
int nIdRadio = mRadioGroup.getCheckedRadioButtonId();
if(nIdRadio == R.id.idRadio_1) nUnits = 1; // metr
else if(nIdRadio == R.id.idRadio_2) nUnits = 10; // decimetr
else if(nIdRadio == R.id.idRadio_3) nUnits = 100; // cm
else if(nIdRadio == R.id.idRadio_4) nUnits = 1000; // mm
// listener for RadioGroup Java Android example
mRadioGroup.setOnCheckedChangeListener(
new RadioGroup.OnCheckedChangeListener() {
public void onCheckedChanged(RadioGroup group,
int checkedId) {
Log.v("Selected", "New radio item selected: " + checkedId);
recordNewUIState();
}
});
397LW NO topic_id
Další témata ....(Topics)
If you change android:versionCode="224" and android:versionName="2.2.4" in AndroidManifest.xml you have to change this in build.gradle file too.
Click on build.gradle in package explorer tree change your new version name and code:
Click on build.gradle in package explorer tree change your new version name and code:
defaultConfig {
applicationId "cz.okhelp.pocasiwidget"
minSdkVersion 11
targetSdkVersion 23
versionCode 224
versionName "2.2.4"
}
Photo Gallery of Android SDK Samples.
For better understanding of what the source knows there is a gallery of images.
After clicking on the preview displays the actual size and Titlebar
You can read the path to the source file as: Graphics/AnimateDrawables see the project folder
/ApiDemos/src/com/example/android/apis/graphics/AnimateDrawable.java
For better understanding of what the source knows there is a gallery of images.
After clicking on the preview displays the actual size and Titlebar
You can read the path to the source file as: Graphics/AnimateDrawables see the project folder
/ApiDemos/src/com/example/android/apis/graphics/AnimateDrawable.java
// warnning
private List list = new ArrayList();
// ok /put type of added object
private List<String> list = new ArrayList<String>();
Where file(s) does eclipse store Java code style settings to?
If you need copy any old templates to the new workspace.
You can edit the Eclipse Templates from menu Window - Preferences - Java - Editor - Templates.
If you need copy any old templates to the new workspace.
workspace\.metadata\.plugins\org.eclipse.core.runtime\.settings\org.eclipse.jdt.ui.prefs
You can edit the Eclipse Templates from menu Window - Preferences - Java - Editor - Templates.
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);
}
}
Editace Jana Žákovská : 2011-09-26 20:48:27
Počet článků v kategorii: 397
Url:radiobutton-radiogroup-android-example
