Friday, March 20, 2015

Android Tutorial for Beginners 25 # Android TimePicker











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package com.example.programmingknowledge.timepicker;

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TimePicker;
import android.widget.Toast;


public class MainActivity extends ActionBarActivity {
    private TimePicker time_picker;
    private Button button_show_time;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        showTime();
    }

    public void showTime() {
        time_picker =(TimePicker)findViewById(R.id.timePicker);
        button_show_time = (Button)findViewById(R.id.button);
        time_picker.setIs24HourView(true);
        button_show_time.setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        Toast.makeText(getBaseContext(),time_picker.getCurrentHour() +" : " + time_picker.getCurrentMinute(),
                                Toast.LENGTH_SHORT).show();
                    }
                }
        );
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}












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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin" tools:context=".MainActivity">

    <TimePicker
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/timePicker"
        android:layout_alignParentTop="true"
        android:layout_alignLeft="@+id/timePicker"
        android:layout_alignStart="@+id/timePicker"
        android:layout_alignParentRight="true"
        android:layout_alignParentEnd="true" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Show Time"
        android:id="@+id/button"
        android:layout_alignParentBottom="true"
        android:layout_alignLeft="@+id/timePicker"
        android:layout_alignStart="@+id/timePicker"
        android:layout_marginBottom="47dp" />
</RelativeLayout>




































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