[Android] Allow interval for minutes and fix datepicker crash

plugin.xml

@@ -28,6 +28,7 @@
         </js-module>
 
         <source-file src="src/android/DatePickerPlugin.java" target-dir="src/com/plugin/datepicker" />
+        <source-file src="src/android/CustomTimePickerDialog.java" target-dir="src/com/plugin/datepicker" />
     </platform>
 
     <!-- ios -->

src/android/CustomTimePickerDialog.java

@@ -0,0 +1,128 @@
+package com.plugin.datepicker;
+
+import java.lang.reflect.Field;
+import java.util.ArrayList;
+import java.util.List;
+
+import android.app.TimePickerDialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.widget.NumberPicker;
+import android.widget.TimePicker;
+import android.os.Bundle;
+
+public class CustomTimePickerDialog extends TimePickerDialog {
+
+    final OnTimeSetListener mCallback;
+    TimePicker mTimePicker;
+    final int increment;
+    final int theme;
+    private int minHour = 0;
+    private int maxHour = 24;
+    private int minMinute = 0;
+    private int maxMinute = 60;
+
+    public int getMinHour() {
+        return minHour;
+    }
+
+    public void setMinHour(int minHour) {
+        this.minHour = minHour;
+    }
+
+    public void setMaxHour(int maxHour) {
+        this.maxHour = maxHour;
+    }
+
+    public void setMinMinute(int minMinute) {
+        this.minMinute = minMinute;
+    }
+
+    public void setMaxMinute(int maxMinute) {
+        this.maxMinute = maxMinute;
+    }
+
+    public CustomTimePickerDialog(Context context, int theme, OnTimeSetListener callBack, int hourOfDay, int minute, boolean is24HourView, int increment)
+    {
+        super(context, theme, callBack, hourOfDay, minute/increment, is24HourView);
+        this.mCallback = callBack;
+        this.increment = increment;
+        this.theme = theme;
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+        if (mCallback != null && mTimePicker!=null) {
+            mTimePicker.clearFocus();
+            int minutes = theme != 2 ? mTimePicker.getCurrentMinute(): mTimePicker.getCurrentMinute()*increment;
+            mCallback.onTimeSet(mTimePicker, mTimePicker.getCurrentHour(),
+                    minutes);
+        }
+    }
+
+    @Override
+    public void updateTime(int hourOfDay, int minuteOfHour) {
+        mTimePicker.setCurrentHour(hourOfDay);
+        mTimePicker.setCurrentMinute((minuteOfHour-minMinute)/increment);
+    }
+
+    public void updateTimeClock(int hourOfDay, int minuteOfHour) {
+        if(minuteOfHour == maxMinute){
+            minuteOfHour = 0;
+        }
+        mTimePicker.setCurrentHour(hourOfDay);
+        mTimePicker.setCurrentMinute(minuteOfHour);
+    }
+
+    @Override
+    protected void onStop()
+    {
+        // override and do nothing
+    }
+
+    private void setHourSpinner(TimePicker timePicker, Field hour) throws IllegalAccessException{
+        NumberPicker mHourSpinner = (NumberPicker)timePicker.findViewById(hour.getInt(null));
+        mHourSpinner.setMinValue(minHour);
+        mHourSpinner.setMaxValue(maxHour-1);
+        List<String> displayedHoursValues = new ArrayList<String>();
+        for(int i=minHour;i<maxHour;i+=1)
+        {
+            displayedHoursValues.add(String.format("%02d", i));
+        }
+        mHourSpinner.setDisplayedValues(displayedHoursValues.toArray(new String[0]));
+    }
+
+    private void setMinuteSpinner(TimePicker timePicker, Field minute) throws IllegalAccessException{
+        NumberPicker mMinuteSpinner = (NumberPicker)timePicker.findViewById(minute.getInt(null));
+        int newMin = (minMinute/increment) * increment;
+        mMinuteSpinner.setMinValue(minMinute/increment);
+        mMinuteSpinner.setMaxValue((maxMinute/increment)-1);
+        List<String> displayedMinutesValues = new ArrayList<String>();
+        for(int i=newMin;i<maxMinute;i+=increment)
+        {
+            displayedMinutesValues.add(String.format("%02d", i));
+        }
+        mMinuteSpinner.setDisplayedValues(displayedMinutesValues.toArray(new String[0]));
+    }
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState)
+    {
+        super.onCreate(savedInstanceState);
+        try
+        {
+            Class<?> rClass = Class.forName("com.android.internal.R$id");
+            Field timePicker = rClass.getField("timePicker");
+            this.mTimePicker = (TimePicker)findViewById(timePicker.getInt(null));
+            Field m = rClass.getField("minute");
+            Field h = rClass.getField("hour");
+
+            setHourSpinner(this.mTimePicker, h);
+            setMinuteSpinner(this.mTimePicker, m);
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace();
+        }
+    }
+}