首页>代码>Android开发范例代码大全（第2版）附源码>/第二版/Source Files/AppendixD/Univerter/src/ca/tutortutor/univerter/Univerter.java
package ca.tutortutor.univerter;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.graphics.Color;
import android.graphics.PorterDuff.Mode;
import android.os.Bundle;
import android.text.Html;
import android.text.method.LinkMovementMethod;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.webkit.WebView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.ListAdapter;
import android.widget.TextView;
import android.widget.Toast;
public class Univerter extends Activity
{
private static Category[] categories;
static
{
categories = new Category[]
{
new Category
(R.string.cat_angle,
new Conversion[]
{
new Conversion
(R.string.cat_angle_circles_to_deg,
360),
new Conversion
(R.string.cat_angle_circles_to_grad,
400),
new Conversion
(R.string.cat_angle_circles_to_rad,
6.283185307),
new Conversion
(R.string.cat_angle_deg_to_circles,
1.0/360.0),
new Conversion
(R.string.cat_angle_deg_to_grad,
1.0/0.9),
new Conversion
(R.string.cat_angle_deg_to_rad,
0.017453293),
new Conversion
(R.string.cat_angle_grad_to_circles,
1.0/400.0),
new Conversion
(R.string.cat_angle_grad_to_deg,
0.9),
new Conversion
(R.string.cat_angle_grad_to_rad,
0.015707963),
new Conversion
(R.string.cat_angle_rad_to_circles,
0.159154943),
new Conversion
(R.string.cat_angle_rad_to_deg,
57.295779513),
new Conversion
(R.string.cat_angle_rad_to_grad,
63.661977237)
}),
new Category
(R.string.cat_area,
new Conversion[]
{
new Conversion
(R.string.cat_area_acres_to_ha,
0.404685642),
new Conversion
(R.string.cat_area_acresuss_to_ha,
0.404687261),
new Conversion
(R.string.cat_area_a_to_ha,
0.01),
new Conversion
(R.string.cat_area_ha_to_acres,
2.471053815),
new Conversion
(R.string.cat_area_ha_to_acresuss,
2.47104393),
new Conversion
(R.string.cat_area_ha_to_a,
100),
new Conversion
(R.string.cat_area_sections_to_townships,
1.0/36.0),
new Conversion
(R.string.cat_area_sq_cm_to_sq_in,
0.15500031),
new Conversion
(R.string.cat_area_sq_ft_to_sq_m,
0.09290304),
new Conversion
(R.string.cat_area_sq_in_to_sq_cm,
6.4516),
new Conversion
(R.string.cat_area_sq_in_to_sq_yd,
1.0/1296.0),
new Conversion
(R.string.cat_area_sq_km_to_sq_m,
1000000),
new Conversion
(R.string.cat_area_sq_m_to_sq_ft,
10.763910417),
new Conversion
(R.string.cat_area_sq_m_to_sq_km,
0.000001),
new Conversion
(R.string.cat_area_sq_yd_to_sq_in,
1296),
new Conversion
(R.string.cat_area_townships_to_sections,
36)
}),
new Category
(R.string.cat_capvol,
new Conversion[]
{
new Conversion
(R.string.cat_capvol_galuk_to_l,
4.54609),
new Conversion
(R.string.cat_capvol_galus_to_l,
3.785411784),
new Conversion
(R.string.cat_capvol_l_to_galuk,
0.219969248),
new Conversion
(R.string.cat_capvol_l_to_galus,
0.264172052),
new Conversion
(R.string.cat_capvol_l_to_ptuk,
1.759753986),
new Conversion
(R.string.cat_capvol_l_to_ptus,
2.113376419),
new Conversion
(R.string.cat_capvol_l_to_qtuk,
0.879876993),
new Conversion
(R.string.cat_capvol_l_to_qtus,
1.056688209),
new Conversion
(R.string.cat_capvol_ptuk_to_l,
0.56826125),
new Conversion
(R.string.cat_capvol_ptus_to_l,
0.473176473),
new Conversion
(R.string.cat_capvol_qtuk_to_l,
1.1365225),
new Conversion
(R.string.cat_capvol_qtus_to_l,
0.946352946),
new Conversion
(R.string.cat_capvol_tbspm_to_tbspuk,
0.844681913),
new Conversion
(R.string.cat_capvol_tbspm_to_tbspus,
1.014420681),
new Conversion
(R.string.cat_capvol_tbspm_to_tspm,
3),
new Conversion
(R.string.cat_capvol_tbspuk_to_tbspm,
1.183877604),
new Conversion
(R.string.cat_capvol_tbspuk_to_tbspus,
1.200949926),
new Conversion
(R.string.cat_capvol_tbspuk_to_tspm,
3.551632812),
new Conversion
(R.string.cat_capvol_tbspus_to_tbspm,
0.985784319),
new Conversion
(R.string.cat_capvol_tbspus_to_tbspuk,
0.832674185),
new Conversion
(R.string.cat_capvol_tbspus_to_tspm,
2.957352956),
new Conversion
(R.string.cat_capvol_tspm_to_tbspm,
1.0/3.0),
new Conversion
(R.string.cat_capvol_tspm_to_tbspuk,
0.281560638),
new Conversion
(R.string.cat_capvol_tspm_to_tbspus,
0.338140227),
new Conversion
(R.string.cat_capvol_tspm_to_tspuk,
0.844681913),
new Conversion
(R.string.cat_capvol_tspm_to_tspus,
1.014420681),
new Conversion
(R.string.cat_capvol_tspuk_to_tspm,
1.183877604),
new Conversion
(R.string.cat_capvol_tspuk_to_tspus,
1.200949926),
new Conversion
(R.string.cat_capvol_tspus_to_tspm,
0.985784319),
new Conversion
(R.string.cat_capvol_tspus_to_tspuk,
0.832674185)
}),
new Category
(R.string.cat_datastor,
new Conversion[]
{
new Conversion
(R.string.cat_datastor_B_to_kB,
1.0/1024.0),
new Conversion
(R.string.cat_datastor_EB_to_GB,
1073741824),
new Conversion
(R.string.cat_datastor_EB_to_TB,
1048576),
new Conversion
(R.string.cat_datastor_GB_to_EB,
1.0/1073741824.0),
new Conversion
(R.string.cat_datastor_GB_to_kB,
1048576),
new Conversion
(R.string.cat_datastor_GB_to_MB,
1024),
new Conversion
(R.string.cat_datastor_GB_to_PB,
1.0/1048576.0),
new Conversion
(R.string.cat_datastor_kB_to_B,
1024),
new Conversion
(R.string.cat_datastor_kB_to_GB,
1.0/1048576.0),
new Conversion
(R.string.cat_datastor_kB_to_MB,
1.0/1024.0),
new Conversion
(R.string.cat_datastor_MB_to_GB,
1.0/1024.0),
new Conversion
(R.string.cat_datastor_MB_to_kB,
1024.0),
new Conversion
(R.string.cat_datastor_PB_to_GB,
1048576),
new Conversion
(R.string.cat_datastor_TB_to_EB,
1.0/1048576.0),
}),
new Category
(R.string.cat_distlen,
new Conversion[]
{
new Conversion
(R.string.cat_distlen_a_to_u,
0.0001),
new Conversion
(R.string.cat_distlen_au_to_ly,
0.000015813),
new Conversion
(R.string.cat_distlen_cm_to_in,
0.393700787),
new Conversion
(R.string.cat_distlen_ft_to_m,
0.3048),
new Conversion
(R.string.cat_distlen_in_to_cm,
2.54),
new Conversion
(R.string.cat_distlen_in_to_twip,
1440),
new Conversion
(R.string.cat_distlen_km_to_miint,
0.621371192),
new Conversion
(R.string.cat_distlen_km_to_miusss,
0.621369949),
new Conversion
(R.string.cat_distlen_ly_to_au,
63241.077088066),
new Conversion
(R.string.cat_distlen_m_to_ft,
3.280839895),
new Conversion
(R.string.cat_distlen_m_to_yd,
1.093613298),
new Conversion
(R.string.cat_distlen_u_to_A,
10000),
new Conversion
(R.string.cat_distlen_miint_to_km,
1.609344),
new Conversion
(R.string.cat_distlen_miusss_to_km,
1.609347219),
new Conversion
(R.string.cat_distlen_picas_to_points,
12),
new Conversion
(R.string.cat_distlen_points_to_picas,
1.0/12.0),
new Conversion
(R.string.cat_distlen_twip_to_in,
1.0/1440.0),
new Conversion
(R.string.cat_distlen_yd_to_m,
0.9144)
}),
new Category
(R.string.cat_energy,
new Conversion[]
{
new Conversion
(R.string.cat_energy_btuit_to_calit,
251.995761111),
new Conversion
(R.string.cat_energy_calit_to_btuit,
0.003968321),
new Conversion
(R.string.cat_energy_erg_to_J,
1.0/10000000.0),
new Conversion
(R.string.cat_energy_hph_to_Wh,
745.699871357),
new Conversion
(R.string.cat_energy_hpmh_to_Wh,
735.49875),
new Conversion
(R.string.cat_energy_J_to_erg,
10000000),
new Conversion
(R.string.cat_energy_J_to_Wh,
1.0/3600.0),
new Conversion
(R.string.cat_energy_Wh_to_hph,
0.001341022),
new Conversion
(R.string.cat_energy_Wh_to_hpmh,
0.001359622),
new Conversion
(R.string.cat_energy_Wh_to_J,
3600)
}),
new Category
(R.string.cat_force,
new Conversion[]
{
new Conversion
(R.string.cat_force_dyn_to_N,
1.0/100000.0),
new Conversion
(R.string.cat_force_kgf_to_kipf,
0.002204623),
new Conversion
(R.string.cat_force_kipf_to_kgf,
453.592369999),
new Conversion
(R.string.cat_force_N_to_dyn,
100000),
new Conversion
(R.string.cat_force_N_to_p,
101.971621298),
new Conversion
(R.string.cat_force_N_to_pdl,
7.233013851),
new Conversion
(R.string.cat_force_p_to_N,
0.00980665),
new Conversion
(R.string.cat_force_pdl_to_N,
0.138254954)
}),
new Category
(R.string.cat_fuelcons,
new Conversion[]
{
new Conversion
(R.string.cat_fuelcons_kmpl_to_mpguk,
2.824809363),
new Conversion
(R.string.cat_fuelcons_kmpl_to_mpgus,
2.352145833),
new Conversion
(R.string.cat_fuelcons_mpguk_to_kmpl,
0.35400619),
new Conversion
(R.string.cat_fuelcons_mpgus_to_kmpl,
0.425143707),
}),
new Category
(R.string.cat_pressure,
new Conversion[]
{
new Conversion
(R.string.cat_pressure_atm_to_at,
1.033227453),
new Conversion
(R.string.cat_pressure_at_to_atm,
0.967841105),
new Conversion
(R.string.cat_pressure_bars_to_pa,
100000),
new Conversion
(R.string.cat_pressure_bars_to_psi,
14.503773773),
new Conversion
(R.string.cat_pressure_bars_to_torrs,
750.061682704),
new Conversion
(R.string.cat_pressure_dynsqcm_to_kgfsqcm,
0.00000102),
new Conversion
(R.string.cat_pressure_dynsqcm_to_Nsqm,
1.0/10),
new Conversion
(R.string.cat_pressure_kgfsqcm_to_dynsqcm,
980665),
new Conversion
(R.string.cat_pressure_kgfsqcm_to_kipfsqin,
0.014223343),
new Conversion
(R.string.cat_pressure_kipfsqin_to_kgfsqcm,
70.306957964),
new Conversion
(R.string.cat_pressure_Nsqm_to_dynsqcm,
10.0),
new Conversion
(R.string.cat_pressure_pa_to_bars,
1.0/100000.0),
new Conversion
(R.string.cat_pressure_pa_to_psi,
0.000145038),
new Conversion
(R.string.cat_pressure_pa_to_torrs,
0.007500617),
new Conversion
(R.string.cat_pressure_psi_to_bars,
0.068947573),
new Conversion
(R.string.cat_pressure_psi_to_pa,
6894.757293178),
new Conversion
(R.string.cat_pressure_psi_to_torrs,
51.714932572),
new Conversion
(R.string.cat_pressure_torrs_to_bars,
0.001333224),
new Conversion
(R.string.cat_pressure_torrs_to_pa,
133.322368421),
new Conversion
(R.string.cat_pressure_torrs_to_psi,
0.019336775)
}),
new Category
(R.string.cat_temp,
new Conversion[]
{
new Conversion
(R.string.cat_temp_celsius_to_fahrenheit,
new Converter()
{
@Override
public double convert(Context ctx,
double value)
{
if (value < -273.15)
{
String s;
s = ctx.
getString(R.string.
error_less_than_abs0);
throw
new IllegalArgumentException(s);
}
return value*9.0/5.0+32;
}
},
true),
new Conversion
(R.string.cat_temp_celsius_to_kelvin,
new Converter()
{
@Override
public double convert(Context ctx,
double value)
{
if (value < -273.15)
{
String s;
s = ctx.
getString(R.string.
error_less_than_abs0);
throw
new IllegalArgumentException(s);
}
return value+273.15;
}
},
true),
new Conversion
(R.string.cat_temp_fahrenheit_to_celsius,
new Converter()
{
@Override
public double convert(Context ctx,
double value)
{
if (value < -459.67)
{
String s;
s = ctx.
getString(R.string.
error_less_than_abs0);
throw
new IllegalArgumentException(s);
}
return (value-32)*5.0/9.0;
}
},
true),
new Conversion
(R.string.cat_temp_kelvin_to_celsius,
new Converter()
{
@Override
public double convert(Context ctx,
double value)
{
return value-273.15;
}
},
false)
}),
new Category
(R.string.cat_time,
new Conversion[]
{
new Conversion
(R.string.cat_time_d_to_h,
24),
new Conversion
(R.string.cat_time_d_to_m,
1440),
new Conversion
(R.string.cat_time_d_to_s,
86400),
new Conversion
(R.string.cat_time_d_to_w,
1.0/7.0),
new Conversion
(R.string.cat_time_h_to_d,
1.0/24.0),
new Conversion
(R.string.cat_time_h_to_m,
60),
new Conversion
(R.string.cat_time_h_to_s,
3600),
new Conversion
(R.string.cat_time_h_to_w,
1.0/168.0),
new Conversion
(R.string.cat_time_m_to_d,
1.0/1440.0),
new Conversion
(R.string.cat_time_m_to_h,
1.0/60.0),
new Conversion
(R.string.cat_time_m_to_s,
60),
new Conversion
(R.string.cat_time_m_to_w,
1.0/10080.0),
new Conversion
(R.string.cat_time_mo_to_w,
4.345238095),
new Conversion
(R.string.cat_time_s_to_d,
1.0/86400.0),
new Conversion
(R.string.cat_time_s_to_h,
1.0/3600.0),
new Conversion
(R.string.cat_time_s_to_m,
1.0/60.0),
new Conversion
(R.string.cat_time_s_to_w,
1.0/604800.0),
new Conversion
(R.string.cat_time_w_to_d,
7),
new Conversion
(R.string.cat_time_w_to_h,
168),
new Conversion
(R.string.cat_time_w_to_m,
10080),
new Conversion
(R.string.cat_time_w_to_mo,
0.230136986),
new Conversion
(R.string.cat_time_w_to_s,
604800)
}),
new Category
(R.string.cat_velocity,
new Conversion[]
{
new Conversion
(R.string.cat_velocity_fps_to_mps,
0.3048),
new Conversion
(R.string.cat_velocity_kmph_to_machsi,
0.000941472),
new Conversion
(R.string.cat_velocity_kmph_to_miph,
0.621371192),
new Conversion
(R.string.cat_velocity_machsi_to_kmph,
1062.167040001),
new Conversion
(R.string.cat_velocity_machsi_to_miph,
660.000000001),
new Conversion
(R.string.cat_velocity_mps_to_fps,
3.280839895),
new Conversion
(R.string.cat_velocity_miph_to_kmph,
1.609344),
new Conversion
(R.string.cat_velocity_miph_to_machsi,
0.001515152)
}),
new Category
(R.string.cat_weightmass,
new Conversion[]
{
new Conversion
(R.string.cat_weightmass_ct_to_lb,
0.000440925),
new Conversion
(R.string.cat_weightmass_ct_to_lbt,
0.000535846),
new Conversion
(R.string.cat_weightmass_emrest_to_nm,
0.000543867),
new Conversion
(R.string.cat_weightmass_gr_to_slugs,
0.00000444),
new Conversion
(R.string.cat_weightmass_g_to_kg,
1.0/1000.0),
new Conversion
(R.string.cat_weightmass_hundredweightuk_to_lb,
112),
new Conversion
(R.string.cat_weightmass_hundredweightus_to_lb,
100),
new Conversion
(R.string.cat_weightmass_kg_to_g,
1000),
new Conversion
(R.string.cat_weightmass_kg_to_lb,
2.204622622),
new Conversion
(R.string.cat_weightmass_kg_to_t,
1.0/1000.0),
new Conversion
(R.string.cat_weightmass_nm_to_emrest,
1838.683660663),
new Conversion
(R.string.cat_weightmass_nm_to_pm,
1.001378374),
new Conversion
(R.string.cat_weightmass_oz_to_lb,
1.0/16.0),
new Conversion
(R.string.cat_weightmass_oz_to_lbt,
0.075954861),
new Conversion
(R.string.cat_weightmass_ozt_to_lb,
0.068571429),
new Conversion
(R.string.cat_weightmass_ozt_to_lbt,
1.0/12.0),
new Conversion
(R.string.cat_weightmass_lb_to_ct,
2267.96185),
new Conversion
(R.string.cat_weightmass_lb_to_hundredweightuk,
1.0/112.0),
new Conversion
(R.string.cat_weightmass_lb_to_hundredweightus,
1.0/100.0),
new Conversion
(R.string.cat_weightmass_lb_to_kg,
0.45359237),
new Conversion
(R.string.cat_weightmass_lb_to_oz,
16),
new Conversion
(R.string.cat_weightmass_lb_to_ozt,
14.583333333),
new Conversion
(R.string.cat_weightmass_lb_to_stonesuk,
1.0/14.0),
new Conversion
(R.string.cat_weightmass_lb_to_stonesus,
1.0/12.5),
new Conversion
(R.string.cat_weightmass_lb_to_t,
0.000453592),
new Conversion
(R.string.cat_weightmass_lbt_to_ct,
1866.208608),
new Conversion
(R.string.cat_weightmass_lbt_to_oz,
13.165714286),
new Conversion
(R.string.cat_weightmass_lbt_to_ozt,
12),
new Conversion
(R.string.cat_weightmass_pm_to_nm,
0.998623523),
new Conversion
(R.string.cat_weightmass_slugs_to_gr,
225218.33989438),
new Conversion
(R.string.cat_weightmass_stonesuk_to_lb,
14),
new Conversion
(R.string.cat_weightmass_stonesus_to_lb,
12.5),
new Conversion
(R.string.cat_weightmass_t_to_kg,
1000),
new Conversion
(R.string.cat_weightmass_t_to_lb,
2204.622621849)
})
};
}
private String[] catNames;
private int curCat, curCon;
private StringBuilder buffer;
private int state;
private int nDigits;
private boolean isDecimal;
private boolean btnCvtClicked;
private Button btnPm;
private EditText etDisplay;
private DialogInterface.OnClickListener oclCat, oclCatClose;
private DialogInterface.OnClickListener oclCon, oclConClose;
private int choice;
private String helpText;
public void doCatClicked(View view)
{
choice = curCat;
if (oclCat == null)
oclCat = new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
choice = which;
}
};
if (oclCatClose == null)
oclCatClose = new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
curCat = choice;
curCon = 0;
updateConversionTitle();
reset();
btnPm.setEnabled(categories[curCat].
getConversion(curCon).
canBeNegative());
}
};
new AlertDialog.Builder(Univerter.this).
setSingleChoiceItems(catNames, curCat, oclCat).
setTitle(R.string.categories).
setNeutralButton(R.string.btnClose, oclCatClose).
show();
}
public void doClrClicked(View view)
{
reset();
}
public void doConClicked(View view)
{
choice = curCon;
if (oclCon == null)
oclCon = new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
choice = which;
}
};
if (oclConClose == null)
oclConClose = new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
curCon = choice;
updateConversionTitle();
reset();
btnPm.setEnabled(categories[curCat].
getConversion(curCon).
canBeNegative());
}
};
ListAdapter adapter;
adapter = new ArrayAdapter<String>(Univerter.this,
R.layout.list_row,
categories[curCat].
getConversionNames(Univerter.this));
new AlertDialog.Builder(Univerter.this).
setSingleChoiceItems(adapter, curCon, oclCon).
setTitle(categories[curCat].getName(Univerter.this)).
setNeutralButton(R.string.btnClose, oclConClose).
show();
}
public void doCvtClicked(View view)
{
try
{
double value = Double.parseDouble(buffer.length() == 0 ? "0" :
buffer.toString());
value = categories[curCat].getConversion(curCon).getConverter().
convert(Univerter.this, value);
if (Math.abs(value) > 1.0e+18)
throw new NumberFormatException(getString(R.string.overflow));
else
if (value != 0.0 && Math.abs(value) < 1.0e-8)
throw new NumberFormatException(getString(R.string.underflow));
buffer.setLength(0);
buffer.append(""+value);
etDisplay.setText(String.format("%,.8f", value));
}
catch (IllegalArgumentException iae)
{
Toast t = Toast.makeText(Univerter.this, iae.getMessage(),
Toast.LENGTH_SHORT);
t.setGravity(Gravity.CENTER_HORIZONTAL|
Gravity.CENTER_VERTICAL, 0, 0);
t.show();
}
btnCvtClicked = true;
}
public void doDigitClicked(View view)
{
if (btnCvtClicked)
{
reset();
btnCvtClicked = false;
}
buildNumber(((String) view.getTag()).charAt(0));
if (buffer.length() == 0)
etDisplay.setText("0.");
else
etDisplay.setText(buffer.toString()+
(buffer.indexOf(".")==-1?".":""));
}
public void doDotClicked(View view)
{
if (btnCvtClicked)
{
reset();
btnCvtClicked = false;
}
buildNumber('.');
}
public void doPmClicked(View view)
{
buildNumber('-');
if (state == 1)
etDisplay.setText(buffer.toString()+
(buffer.indexOf(".")==-1?".":""));
}
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
catNames = new String[categories.length];
for (int i = 0; i < catNames.length; i++)
catNames[i] = categories[i].getName(Univerter.this);
if (savedInstanceState == null)
{
curCat = 0;
curCon = 0;
buffer = new StringBuilder();
state = 0;
nDigits = 0;
isDecimal = false;
btnCvtClicked = false;
}
else
{
curCat = savedInstanceState.getInt("curCat");
curCon = savedInstanceState.getInt("curCon");
buffer = new StringBuilder(savedInstanceState.getString("buffer"));
state = savedInstanceState.getInt("state");
nDigits = savedInstanceState.getInt("nDigits");
isDecimal = savedInstanceState.getBoolean("isDecimal");
btnCvtClicked = savedInstanceState.getBoolean("btnCvtClicked");
}
boolean isLeftIconSupported =
requestWindowFeature(Window.FEATURE_LEFT_ICON);
setContentView(R.layout.main);
if (isLeftIconSupported)
setFeatureDrawableResource(Window.FEATURE_LEFT_ICON,
R.drawable.ic_launcher);
updateConversionTitle();
etDisplay = (EditText) findViewById(R.id.display);
int[] btnDigitIds =
{
R.id.btn7,
R.id.btn8,
R.id.btn9,
R.id.btnClr,
R.id.btn4,
R.id.btn5,
R.id.btn6,
R.id.btnCat,
R.id.btn1,
R.id.btn2,
R.id.btn3,
R.id.btnCon,
R.id.btn0,
R.id.btnDot,
R.id.btnPm,
R.id.btnCvt
};
for (int i = 0; i < btnDigitIds.length; i++)
{
Button btn = (Button) findViewById(btnDigitIds[i]);
if (btnDigitIds[i] == R.id.btnPm)
{
btnPm = btn;
btnPm.setEnabled(categories[curCat].getConversion(curCon).
canBeNegative());
}
btn.getBackground().
setColorFilter(Color.GRAY, Mode.MULTIPLY);
}
helpText = getString(R.string.help);
int colorHelpHiliteText = getResources().
getColor(R.color.helpHiliteText)&0x00ffffff;
helpText = helpText.replaceAll("#helpHiliteText",
"#"+toHexString(colorHelpHiliteText, 6));
int colorHelpText = getResources().getColor(R.color.helpText)&0x00ffffff;
helpText = helpText.replaceAll("#helpText",
"#"+toHexString(colorHelpText, 6));
int colorLink = getResources().getColor(R.color.link)&0x00ffffff;
helpText = helpText.replaceAll("#link",
"#"+toHexString(colorLink, 6));
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.univerter, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item)
{
LayoutInflater inflater;
switch (item.getItemId())
{
case R.id.menu_help:
inflater = (LayoutInflater) this.
getSystemService(Context.LAYOUT_INFLATER_SERVICE);
WebView wv = (WebView) inflater.inflate(R.layout.help, null);
wv.setBackgroundColor(Color.TRANSPARENT);
wv.loadData(helpText, "text/html", "utf-8");
new AlertDialog.Builder(Univerter.this).
setView(wv).
setNeutralButton(R.string.btnClose, null).
show();
return true;
case R.id.menu_info:
inflater = (LayoutInflater) this.
getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View view = inflater.inflate(R.layout.info, null);
TextView tv;
tv = (TextView) ((ViewGroup) view).findViewById(R.id.text1);
tv.setText(Html.fromHtml(getString(R.string.info1)));
tv = (TextView) ((ViewGroup) view).findViewById(R.id.text2);
tv.setText(R.string.info2);
tv = (TextView) ((ViewGroup) view).findViewById(R.id.text3);
tv.setText(Html.fromHtml(getString(R.string.info3)));
tv.setMovementMethod(LinkMovementMethod.getInstance());
tv = (TextView) ((ViewGroup) view).findViewById(R.id.text4);
tv.setText(Html.fromHtml(getString(R.string.info4)));
tv.setMovementMethod(LinkMovementMethod.getInstance());
ImageView iv;
iv = (ImageView) ((ViewGroup) view).findViewById(R.id.image);
iv.setImageResource(R.drawable.ic_launcher);
new AlertDialog.Builder(Univerter.this).
setView(view).
setNeutralButton(R.string.btnClose, null).
show();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
@Override
public void onSaveInstanceState(Bundle outState)
{
super.onSaveInstanceState(outState);
outState.putInt("curCat", curCat);
outState.putInt("curCon", curCon);
outState.putString("buffer", buffer.toString());
outState.putInt("state", state);
outState.putInt("nDigits", nDigits);
outState.putBoolean("isDecimal", isDecimal);
outState.putBoolean("btnCvtClicked", btnCvtClicked);
}
private void buildNumber(char ch)
{
switch (state)
{
case 0: if (ch >= '1' && ch <= '9')
{
buffer.append(ch);
nDigits = 1;
state = 1;
}
else
if (ch == '.')
{
isDecimal = true;
buffer.append("0.");
nDigits = 1;
state = 1;
}
break;
case 1: if (ch >= '0' && ch <= '9')
{
if (nDigits != 10)
{
buffer.append(ch);
nDigits++;
}
}
else
if (ch == '.')
{
if (isDecimal)
break;
isDecimal = true;
buffer.append('.');
}
else
if (categories[curCat].getConversion(curCon).canBeNegative() &&
ch == '-')
{
if (buffer.charAt(0) == '-')
buffer.deleteCharAt(0);
else
buffer.insert(0, '-');
}
}
}
private void reset()
{
buffer.setLength(0);
state = 0;
nDigits = 0;
isDecimal = false;
etDisplay.setText("0.");
}
private String toHexString(int i, int numNibbles)
{
StringBuilder sb = new StringBuilder(Integer.toHexString(i));
if (sb.length() > numNibbles)
return null; // cannot fit result into numNibbles columns
int numLeadingZeros = numNibbles-sb.length();
for (int j = 0; j < numLeadingZeros; j++)
sb.insert(0, '0');
return sb.toString();
}
private void updateConversionTitle()
{
TextView tv = (TextView) findViewById(R.id.conversion1);
if (tv != null)
{
String s = categories[curCat].getConversion(curCon).
getName(Univerter.this);
tv.setText(s.substring(0, s.indexOf(">")-1));
tv = (TextView) findViewById(R.id.conversion2);
tv.setText(s.substring(s.indexOf(">")+2));
}
else
setTitle(getString(R.string.app_name)+": "+
categories[curCat].getConversion(curCon).
getName(Univerter.this));
}
}
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