Monday, August 24, 2015

How to get AM PM value from TimePickerDialog in Android

activity_main.xml

<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/rl"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="10dp"
    tools:context=".MainActivity"
    android:background="#f0ce2b"
    >
    <TextView
        android:id="@+id/tv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="25dp"
        android:textColor="#fa2129"
        android:fontFamily="sans-serif-condensed"
        />
    <Button
        android:id="@+id/btn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Set Time"
        android:layout_below="@id/tv"
        />
</RelativeLayout>
MainActivity.java

package com.cfsuman.me.androidcodesnippets;

import android.os.Bundle;
import android.app.Activity;
import android.view.View;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.app.DialogFragment;


public class MainActivity extends Activity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // Get the widgets reference from XML layout
        final RelativeLayout rl = (RelativeLayout) findViewById(R.id.rl);
        Button btn = (Button) findViewById(R.id.btn);

        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // Initialize a new time picker dialog fragment
                DialogFragment dFragment = new TimePickerFragment();

                // Show the time picker dialog fragment
                dFragment.show(getFragmentManager(),"Time Picker");
            }
        });
   }
}
TimePickerFragment.java

package com.cfsuman.me.androidcodesnippets;


import android.app.AlertDialog;
import android.app.TimePickerDialog;
import android.os.Bundle;
import android.widget.TextView;
import android.app.DialogFragment;
import android.app.Dialog;
import java.util.Calendar;
import android.widget.TimePicker;

public class TimePickerFragment extends DialogFragment implements TimePickerDialog.OnTimeSetListener{

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState){
        // Get a Calendar instance
        final Calendar calendar = Calendar.getInstance();
        // Get the current hour and minute
        int hour = calendar.get(Calendar.HOUR_OF_DAY);
        int minute = calendar.get(Calendar.MINUTE);

        /*
            Creates a new time picker dialog with the specified theme.

                TimePickerDialog(Context context, int themeResId,
                    TimePickerDialog.OnTimeSetListener listener,
                    int hourOfDay, int minute, boolean is24HourView)
         */

        // TimePickerDialog Theme : THEME_HOLO_LIGHT
        TimePickerDialog tpd = new TimePickerDialog(getActivity(),
                AlertDialog.THEME_HOLO_LIGHT,this,hour,minute,false);

        // Return the TimePickerDialog
        return tpd;
    }

    public void onTimeSet(TimePicker view, int hourOfDay, int minute){
        // Set a variable to hold the current time AM PM Status
        // Initially we set the variable value to AM
        String status = "AM";

        if(hourOfDay > 11)
        {
            // If the hour is greater than or equal to 12
            // Then the current AM PM status is PM
            status = "PM";
        }

        // Initialize a new variable to hold 12 hour format hour value
        int hour_of_12_hour_format;

        if(hourOfDay > 11){

            // If the hour is greater than or equal to 12
            // Then we subtract 12 from the hour to make it 12 hour format time
            hour_of_12_hour_format = hourOfDay - 12;
        }
        else {
            hour_of_12_hour_format = hourOfDay;
        }

        // Get the calling activity TextView reference
        TextView tv = (TextView) getActivity().findViewById(R.id.tv);
        // Display the 12 hour format time in app interface
        tv.setText(hour_of_12_hour_format + " : " + minute + " : " + status);
    }
}




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