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
res/layout/my_layout.xml into
main.xml
<include layout="@layout/my_layout" android:id="@+id/idMyLayout" />
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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();
}
});
You can use for, do while, while cycle for example:
public void myFunction(){
for (int i = 0; i < 1; i++) {
// some code
int c = 10;
if(c==10)
break; // goto stop; in C++
} // end of for
// stop: // break moved process to end of for
// next code
}
Problem in Android application:
Solution: check code for set and get selection
E/AndroidRuntime(416): FATAL EXCEPTION: main
E/AndroidRuntime(416): java.lang.IndexOutOfBoundsException
E/AndroidRuntime(416): at java.util.Arrays$ArrayList.get(Arrays.java:75)
E/AndroidRuntime(416): at android.widget.ArrayAdapter.getItem(ArrayAdapter.java:298)
E/AndroidRuntime(416): at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:351)
E/AndroidRuntime(416): at android.widget.ArrayAdapter.getView(ArrayAdapter.java:323)
E/AndroidRuntime(416): at android.widget.Spinner.makeAndAddView(Spinner.java:192)
E/AndroidRuntime(416): at android.widget.Spinner.layout(Spinner.java:151)
E/AndroidRuntime(416): at android.widget.Spinner.onLayout(Spinner.java:115)
Solution: check code for set and get selection
// Spinner _spin1 contain only 49 items
// you can set max 48 ( range 0 - 48)
// 50 is IndexOutOfBoundsException
_spin1.setSelection(50);
Start Stop Stopwatch Timer Android example source code.
private static long mStartTime = 0L;
Calendar cal;
TextView hTextViewVypis = (TextView)findViewById(R.id.idTextVypis);
void start(){
cal = Calendar.getInstance();
mStartTime = cal.getTimeInMillis();
}
void stop(){
prinOutStopWatchTime();
}
private void prinOutStopWatchTime() {
final long start = mStartTime;
cal = Calendar.getInstance();
long stopTime = cal.getTimeInMillis();
long millis = stopTime - start;
long milisekundy = millis % 1000;
int seconds = (int) (millis / 1000);
int minutes = seconds / 60;
seconds = seconds % 60;
int hour = minutes / 60;
hour = hour % 60;
if (seconds < 10) {
hTextViewVypis.setText(hour + ":" + minutes + ":0" + seconds + ":" + milisekundy);
} else {
hTextViewVypis.setText(hour + ":" + minutes + ":" + seconds + ":" + milisekundy);
}
}
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Editace: 2013-01-06 10:41:45
Počet článků v kategorii: 396
Url:include-xml-into-another-xml-android-example