ابزارهای نمایش Picker

<?xml version=”1.0” encoding=”utf-8”?>
<LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android”
android:orientation=”vertical”
android:layout_width=”fill_parent”
android:layout_height=”fill_parent” >
<TimePicker android:id=”@+id/timePicker”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content” />
<Button android:id=”@+id/btnSet”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:text=”I am all set!” />
</LinearLayout>

package com.PRG.BasicViews4;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TimePicker;
import android.widget.Toast;
public class MainActivity extends Activity {
TimePicker timePicker;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
timePicker = (TimePicker) findViewById(R.id.timePicker);
timePicker.setIs24HourView(true);
//---Button view---
Button btnOpen = (Button) findViewById(R.id.btnSet);
btnOpen.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Toast.makeText(getBaseContext(),
“Time selected:” +
timePicker.getCurrentHour() +
“:” + timePicker.getCurrentMinute(),
Toast.LENGTH_SHORT).show();
}
});
}
}

Toast.makeText(getBaseContext(),
“Time selected:” +
timePicker.getCurrentHour() +
“:” + timePicker.getCurrentMinute(),
Toast.LENGTH_SHORT).show();

package com.PRG.BasicViews4;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TimePicker;
import android.widget.Toast;
import android.app.Dialog;
import android.app.TimePickerDialog;
public class MainActivity extends Activity {
TimePicker timePicker;
int hour, minute;
static final int TIME_DIALOG_ID = 0;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
showDialog(TIME_DIALOG_ID);
timePicker = (TimePicker) findViewById(R.id.timePicker);
timePicker.setIs24HourView(true);
//---Button view---
Button btnOpen = (Button) findViewById(R.id.btnSet);
btnOpen.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Toast.makeText(getBaseContext(),
“Time selected:” +
timePicker.getCurrentHour().toString() +
“:” + timePicker.getCurrentMinute().toString(),
Toast.LENGTH_SHORT).show();
}
});
}
@Override
protected Dialog onCreateDialog(int id)
{
switch (id) {
case TIME_DIALOG_ID:
return new TimePickerDialog(
this, mTimeSetListener, hour, minute, false);
}
return null;
}
private TimePickerDialog.OnTimeSetListener mTimeSetListener =
new TimePickerDialog.OnTimeSetListener()
{
public void onTimeSet(
TimePicker view, int hourOfDay, int minuteOfHour)
{
hour = hourOfDay;
minute = minuteOfHour;
Toast.makeText(getBaseContext(),
“You have selected : “ + hour + “:” + minute,
Toast.LENGTH_SHORT).show();
}
};
}

showDialog(TIME_DIALOG_ID);

@Override
protected Dialog onCreateDialog(int id)
{
switch (id) {
case TIME_DIALOG_ID:
return new TimePickerDialog(
this, mTimeSetListener, hour, minute, false);
}
return null;
}

private TimePickerDialog.OnTimeSetListener mTimeSetListener =
new TimePickerDialog.OnTimeSetListener()
{
public void onTimeSet(
TimePicker view, int hourOfDay, int minuteOfHour)
{
hour = hourOfDay;
minute = minuteOfHour;
Toast.makeText(getBaseContext(),
“You have selected : “ + hour + “:” + minute,
Toast.LENGTH_SHORT).show();
}
};

<?xml version=”1.0” encoding=”utf-8”?>
<LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android”
android:orientation=”vertical”
android:layout_width=”fill_parent”
android:layout_height=”fill_parent” >
<DatePicker android:id=”@+id/datePicker”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content” />
<TimePicker android:id=”@+id/timePicker”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content” />
<Button android:id=”@+id/btnSet”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:text=”I am all set!” />
</LinearLayout>

package net.learn2develop.BasicViews4;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.widget.TimePicker;
import android.widget.DatePicker;
public class MainActivity extends Activity {
TimePicker timePicker;
DatePicker datePicker;
int hour, minute;
static final int TIME_DIALOG_ID = 0;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//showDialog(TIME_DIALOG_ID);
timePicker = (TimePicker) findViewById(R.id.timePicker);
timePicker.setIs24HourView(true);
datePicker = (DatePicker) findViewById(R.id.datePicker);
//---Button view---
Button btnOpen = (Button) findViewById(R.id.btnSet);
btnOpen.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Toast.makeText(getBaseContext(),
“Date selected:” + datePicker.getMonth() + 1 +
“/” + datePicker.getDayOfMonth() +
“/” + datePicker.getYear() + “\n” +
“Time selected:” + timePicker.getCurrentHour() +
“:” + timePicker.getCurrentMinute(),
Toast.LENGTH_SHORT).show();
}
});
}
@Override
protected Dialog onCreateDialog(int id)
{
switch (id) {
case TIME_DIALOG_ID:
return new TimePickerDialog(
this, mTimeSetListener, hour, minute, false);
}
return null;
}
private TimePickerDialog.OnTimeSetListener mTimeSetListener =
new TimePickerDialog.OnTimeSetListener()
{
public void onTimeSet(
TimePicker view, int hourOfDay, int minuteOfHour)
{
hour = hourOfDay;
minute = minuteOfHour;
Toast.makeText(getBaseContext(),
“You have selected : “ + hour + “:” + minute,
Toast.LENGTH_SHORT).show();
}
};
}

“Date selected:” + datePicker.getMonth() + 1 +
“/” + datePicker.getDayOfMonth() +
“/” + datePicker.getYear() + “\n” +

package com.PRG.BasicViews4;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.widget.TimePicker;
import android.widget.DatePicker;
import android.app.DatePickerDialog;
import java.util.Calendar;
public class MainActivity extends Activity {
TimePicker timePicker;
DatePicker datePicker;
int hour, minute;
int yr, month, day;
static final int TIME_DIALOG_ID = 0;
static final int DATE_DIALOG_ID = 1;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
//showDialog(TIME_DIALOG_ID);
//---get the current date---
Calendar today = Calendar.getInstance();
yr = today.get(Calendar.YEAR);
month = today.get(Calendar.MONTH);
day = today.get(Calendar.DAY_OF_MONTH);
showDialog(DATE_DIALOG_ID);
timePicker = (TimePicker) findViewById(R.id.timePicker);
timePicker.setIs24HourView(true);
datePicker = (DatePicker) findViewById(R.id.datePicker);
//---Button view---
Button btnOpen = (Button) findViewById(R.id.btnSet);
btnOpen.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Toast.makeText(getBaseContext(),
“Date selected:” + datePicker.getMonth() +
“/” + datePicker.getDayOfMonth() +
“/” + datePicker.getYear() + “\n” +
“Time selected:” + timePicker.getCurrentHour() +
“:” + timePicker.getCurrentMinute(),
Toast.LENGTH_SHORT).show();
}
});
}
@Override
protected Dialog onCreateDialog(int id)
{
switch (id) {
case TIME_DIALOG_ID:
return new TimePickerDialog(
this, mTimeSetListener, hour, minute, false);
case DATE_DIALOG_ID:
return new DatePickerDialog(
this, mDateSetListener, yr, month, day);
}
return null;
}
private DatePickerDialog.OnDateSetListener mDateSetListener =
new DatePickerDialog.OnDateSetListener()
{
public void onDateSet(
DatePicker view, int year, int monthOfYear, int dayOfMonth)
{
yr = year;
month = monthOfYear;
day = dayOfMonth;
Toast.makeText(getBaseContext(),
“You have selected : “ + (month + 1) +
“/” + day + “/” + year,
Toast.LENGTH_SHORT).show();
}
};
private TimePickerDialog.OnTimeSetListener mTimeSetListener =
new TimePickerDialog.OnTimeSetListener()
{
public void onTimeSet(
TimePicker view, int hourOfDay, int minuteOfHour)
{
hour = hourOfDay;
minute = minuteOfHour;
Toast.makeText(getBaseContext(),
“You have selected : “ + hour + “:” + minute,
Toast.LENGTH_SHORT).show();
}
};
}

public void onDateSet(
DatePicker view, int year, int monthOfYear, int dayOfMonth)
{
yr = year;
month = monthOfYear;
day = dayOfMonth;
Toast.makeText(getBaseContext(),
“You have selected : “ + (month + 1) +
“/” + day + “/” + year,
Toast.LENGTH_SHORT).show();
}

//---get the current date---
Calendar today = Calendar.getInstance();
yr = today.get(Calendar.YEAR);
month = today.get(Calendar.MONTH);
day = today.get(Calendar.DAY_OF_MONTH);
showDialog(DATE_DIALOG_ID);

package com.PRG.BasicViews5;
import android.app.Activity;
import android.os.Bundle;
import android.app.ListActivity;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class MainActivity extends ListActivity {
String[] presidents = {
“Dwight D. Eisenhower”,
“John F. Kennedy”,
“Lyndon B. Johnson”,
“Richard Nixon”,
“Gerald Ford”,
“Jimmy Carter”,
“Ronald Reagan”,
“George H. W. Bush”,
“Bill Clinton”,
“George W. Bush”,
“Barack Obama”
};
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//setContentView(R.layout.main);
setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, presidents));
}
public void onListItemClick(
ListView parent, View v, int position, long id)
{
Toast.makeText(this,
“You have selected “ + presidents[position],
Toast.LENGTH_SHORT).show();
}
}

//---no need to call this---
//setContentView(R.layout.main);

setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, presidents));

public void onListItemClick(
ListView parent, View v, int position, long id)
{
Toast.makeText(this,
“You have selected “ + presidents[position],
Toast.LENGTH_SHORT).show();
}

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ListView lstView = getListView();
//lstView.setChoiceMode(0); //CHOICE_MODE_NONE
//lstView.setChoiceMode(1); //CHOICE_MODE_SINGLE
lstView.setChoiceMode(2); //CHOICE_MODE_MULTIPLE
lstView.setTextFilterEnabled(true);
setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_checked, presidents));
}
public void onListItemClick(
ListView parent, View v, int position, long id)
{
//---toggle the check displayed next to the item---
parent.setItemChecked(position, parent.isItemChecked(position));
Toast.makeText(this,
“You have selected “ + presidents[position],
Toast.LENGTH_SHORT).show();
}

//lstView.setChoiceMode(0); //CHOICE_MODE_NONE
//lstView.setChoiceMode(1); //CHOICE_MODE_SINGLE
lstView.setChoiceMode(2); //CHOICE_MODE_MULTIPLE

lstView.setTextFilterEnabled(true);

<?xml version=”1.0” encoding=”utf-8”?>
<resources>
<string name=”hello”>Hello World, MainActivity!</string>
<string name=”app_name”>BasicViews5</string>
<string-array name=”presidents_array”>
<item>Dwight D. Eisenhower</item>
<item>John F. Kennedy</item>
<item>Lyndon B. Johnson</item>
<item>Richard Nixon</item>
<item>Gerald Ford</item>
<item>Jimmy Carter</item>
<item>Ronald Reagan</item>
<item>George H. W. Bush</item>
<item>Bill Clinton</item>
<item>George W. Bush</item>
<item>Barack Obama</item>
</string-array>
</resources>

public class MainActivity extends ListActivity {
String[] presidents;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ListView lstView = getListView();
//lstView.setChoiceMode(0); //CHOICE_MODE_NONE
//lstView.setChoiceMode(1); //CHOICE_MODE_SINGLE
lstView.setChoiceMode(2); //CHOICE_MODE_MULTIPLE
lstView.setTextFilterEnabled(true);
presidents =
getResources().getStringArray(R.array.presidents_array);
setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_checked, presidents));
}
public void onListItemClick(
ListView parent, View v, int position, long id)
{
//...
//...
}
};

presidents =
getResources().getStringArray(R.array.presidents_array);

<?xml version=”1.0” encoding=”utf-8”?>
<LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android”
android:orientation=”vertical”
android:layout_width=”fill_parent”
android:layout_height=”fill_parent”
>
<Spinner
android:id=”@+id/spinner1”
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:drawSelectorOnTop=”true” />
</LinearLayout>

<?xml version=”1.0” encoding=”utf-8”?>
<resources>
<string name=”hello”>Hello World, MainActivity!</string>
<string name=”app_name”>BasicViews6</string>
<string-array name=”presidents_array”>
<item>Dwight D. Eisenhower</item>
<item>John F. Kennedy</item>
<item>Lyndon B. Johnson</item>
<item>Richard Nixon</item>
<item>Gerald Ford</item>
<item>Jimmy Carter</item>
<item>Ronald Reagan</item>
<item>George H. W. Bush</item>
<item>Bill Clinton</item>
<item>George W. Bush</item>
<item>Barack Obama</item>
</string-array>
</resources>

package net.learn2develop.BasicViews6;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.Toast;
public class MainActivity extends Activity {
String[] presidents;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
presidents =
getResources().getStringArray(R.array.presidents_array);
Spinner s1 = (Spinner) findViewById(R.id.spinner1);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_item, presidents);
s1.setAdapter(adapter);
s1.setOnItemSelectedListener(new OnItemSelectedListener()
{
@Override
public void onItemSelected(AdapterView<?> arg0, View arg1,
int arg2, long arg3)
{
int index = arg0.getSelectedItemPosition();
Toast.makeText(getBaseContext(),
“You have selected item : “ + presidents[index],
Toast.LENGTH_SHORT).show();
}
@Override
public void onNothingSelected(AdapterView<?> arg0) {}
});
}
}

ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_spinner_dropdown_item, presidents);