SettingAct.JAVA
package com.solusiwebmaster.antrian;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.widget.EditText;
import android.widget.TableLayout;
import android.widget.Toast;
import com.solusiwebmaster.antrian.SettingAct_ViewHelper.SettingActViewInterface;
import tools.AntrianConfig;
import tools.AntrianHelper;
import tools.AntrianHelper.AntrianChanged;
public class SettingAct extends Activity {
AntrianHelper antrianHelper;
AntrianConfig antrianconfig;
EditText et_antrian;
EditText et_loket;
LayoutInflater inflater;
private Boolean settingchanged = Boolean.valueOf(false);
SettingActViewInterface settingviewInterface = new C06411();
SharedPreferences sharedpref;
TableLayout table;
SettingAct_ViewHelper viewhelpersetting;
class C06411 implements SettingActViewInterface {
C06411() {
}
public void setServerPort(int port) {
if (SettingAct.this.antrianconfig.port != port && (port+"").length() >= 4) {
SettingAct.this.antrianconfig.port = port;
SettingAct.this.settingchanged = Boolean.valueOf(true);
}
}
public void setServerAddress(String s) {
if (!SettingAct.this.antrianconfig.serverAddress.equals(s)) {
SettingAct.this.antrianconfig.serverAddress = s;
SettingAct.this.settingchanged = Boolean.valueOf(true);
}
}
public void setPlaySoundAt(int i) {
SettingAct.this.antrianconfig.playSoundAt = i;
SettingAct.this.settingchanged = Boolean.valueOf(true);
}
public void setLoket(int loket) {
if (SettingAct.this.antrianconfig.loket != loket) {
SettingAct.this.antrianconfig.loket = loket;
SettingAct.this.settingchanged = Boolean.valueOf(true);
}
}
public void setAppMode(int i) {
System.out.println("apasih appmodenya : " + i + "servernya " + AntrianConfig.M_SERVER);
SettingAct.this.antrianconfig.appMode = i;
SettingAct.this.settingchanged = Boolean.valueOf(true);
SettingAct.this.viewhelpersetting.addAllsettingChild();
}
public void setAntrian(int _antrian) {
SettingAct.this.antrianHelper.setAntrian(_antrian);
SettingAct.this.settingchanged = Boolean.valueOf(true);
}
public int getServerPort() {
return SettingAct.this.antrianconfig.port;
}
public String getServerAddress() {
String add = SettingAct.this.antrianconfig.serverAddress;
if (add == null) {
return "";
}
return add;
}
public int getPlaysoundAt() {
return SettingAct.this.antrianconfig.playSoundAt;
}
public int getLoket() {
return SettingAct.this.antrianconfig.loket;
}
public int getCurrentAntrian() {
return SettingAct.this.antrianHelper.getAntrian();
}
public int getAppMode() {
return SettingAct.this.antrianconfig.appMode;
}
}
class C06422 implements AntrianChanged {
C06422() {
}
public void warning(String msg) {
Toast.makeText(SettingAct.this, msg, 0).show();
}
public void antrianChanged() {
if (SettingAct.this.et_antrian != null) {
SettingAct.this.et_antrian.setText(new StringBuilder(String.valueOf(SettingAct.this.antrianHelper.getAntrian())).toString());
}
if (SettingAct.this.et_loket != null) {
SettingAct.this.et_loket.setText(new StringBuilder(String.valueOf(SettingAct.this.antrianHelper.antrianConfig.loket)).toString());
}
}
}
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_setting);
this.table = (TableLayout) findViewById(C0419R.id.as_table);
this.inflater = getLayoutInflater();
this.sharedpref = getSharedPreferences(AntrianConfig.SHARED_PREFFILE, 0);
this.antrianconfig = new AntrianConfig(this.sharedpref);
this.antrianHelper = new AntrianHelper(this, this.sharedpref);
this.antrianHelper.setAntrianChangedCallback(new C06422());
this.antrianHelper.loadCurrentAntrian();
this.viewhelpersetting = new SettingAct_ViewHelper(this, this.settingviewInterface);
this.viewhelpersetting.addAllsettingChild();
}
protected void onDestroy() {
if (this.settingchanged.booleanValue()) {
this.antrianconfig.saveConfig();
try {
ActBroadcastReceiver.sendSettingChanged(this);
} catch (Exception e) {
}
}
super.onDestroy();
}
public static void goHere(Activity actIn) {
actIn.startActivity(new Intent(actIn, SettingAct.class));
}
}
SettingAct_ViewHelper.java
package com.solusiwebmaster.antrian;
import android.app.Activity;
import android.graphics.Color;
import android.support.v4.view.ViewCompat;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnKeyListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.Spinner;
import android.widget.TableLayout;
import android.widget.TextView;
import android.widget.Toast;
import server.AntrianResponse;
import server.ParamRequest;
import tools.AntrianConfig;
import tools.MyClient;
import tools.MyClient.MyClientCallback;
import tools.NetWorkTools;
import tools.ResourceTools;
import uihelper.SmallTombolBulat;
import uihelper.TombolSwitch;
public class SettingAct_ViewHelper {
Activity act;
EditText et_antrian;
EditText et_loket;
SettingActViewInterface ifc;
MyClient oldclient;
LayoutInflater inflater = this.act.getLayoutInflater();
TableLayout table = ((TableLayout) this.act.findViewById(R.id.as_table));
TombolSwitch tombolstatus;
public SettingAct activity;
class C04201 implements OnKeyListener {
C04201() {
}
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (event.getAction() == 1) {
try {
SettingAct_ViewHelper.this.ifc.setLoket(Integer.parseInt(((EditText) v).getText().toString()));
} catch (Exception e) {
}
}
return false;
}
}
class C04212 implements OnKeyListener {
C04212() {
}
public boolean onKey(View v, int keyCode, KeyEvent event) {
if (event.getAction() == 1) {
try {
SettingAct_ViewHelper.this.ifc.setAntrian(Integer.parseInt(((EditText) v).getText().toString()));
} catch (Exception e) {
}
}
return false;
}
}
class C04223 implements OnItemSelectedListener {
C04223() {
}
public void onItemSelected(AdapterView<?> adapterView, View view, int position, long id) {
if (position != SettingAct_ViewHelper.this.ifc.getAppMode()) {
SettingAct_ViewHelper.this.ifc.setAppMode(position);
}
}
public void onNothingSelected(AdapterView<?> adapterView) {
}
}
class C04234 implements OnKeyListener {
C04234() {
}
public boolean onKey(View v, int keyCode, KeyEvent event) {
try {
if (event.getAction() == 1) {
EditText et = (EditText) v;
String text = et.getText().toString();
if (!text.startsWith("http://")) {
text = "http://" + text;
et.setText(text);
et.setSelection(text.length());
}
SettingAct_ViewHelper.this.ifc.setServerAddress(text);
}
} catch (Exception e) {
}
return false;
}
}
class C04245 implements OnItemSelectedListener {
C04245() {
}
public void onItemSelected(AdapterView<?> adapterView, View view, int position, long id) {
int psoundat = position == 0 ? AntrianConfig.M_CLIENT : AntrianConfig.M_SERVER;
if (psoundat != SettingAct_ViewHelper.this.ifc.getPlaysoundAt()) {
SettingAct_ViewHelper.this.ifc.setPlaySoundAt(psoundat);
SettingAct_ViewHelper.this.addAllsettingChild();
}
}
public void onNothingSelected(AdapterView<?> adapterView) {
}
}
class C04256 implements OnKeyListener {
C04256() {
}
public boolean onKey(View v, int keyCode, KeyEvent event) {
try {
if (event.getAction() == 1) {
EditText et = (EditText) v;
if (et.getText().toString().length() >= 4) {
SettingAct_ViewHelper.this.ifc.setServerPort(Integer.parseInt(et.getText().toString()));
}
}
} catch (Exception e) {
}
return false;
}
}
class C04267 implements OnClickListener {
C04267() {
}
public void onClick(View v) {
Toast.makeText(SettingAct_ViewHelper.this.act, "Tutup dan buka aplikasi untuk menyalakan server", 0).show();
}
}
public interface SettingActViewInterface {
int getAppMode();
int getCurrentAntrian();
int getLoket();
int getPlaysoundAt();
String getServerAddress();
int getServerPort();
void setAntrian(int i);
void setAppMode(int i);
void setLoket(int i);
void setPlaySoundAt(int i);
void setServerAddress(String str);
void setServerPort(int i);
}
class C06438 implements MyClientCallback {
C06438() {
}
public void result(int i) {
if (i == 200) {
SettingAct_ViewHelper.this.tombolstatus.setOn(Boolean.valueOf(true));
} else {
SettingAct_ViewHelper.this.tombolstatus.setOn(Boolean.valueOf(false));
}
}
public void error(String msg) {
}
}
public SettingAct_ViewHelper(Activity actIn, SettingActViewInterface ifcIn) {
this.act = actIn;
this.ifc = ifcIn;
((TextView) this.act.findViewById(R.id.as_title)).setText(new StringBuilder(String.valueOf(this.act.getResources().getString(R.string.app_name))).append(" v").append(ResourceTools.getVersionname(this.act)).toString());
}
public void addAllsettingChild() {
this.table.removeAllViews();
addSettingChild();
addClientMenu();
addServerMenu();
}
class ChildView {
public View rootview=SettingAct_ViewHelper.this.inflater.inflate(R.layout.activity_setting_child, SettingAct_ViewHelper.this.table, false);
public LinearLayout childlinear = ((LinearLayout) this.rootview.findViewById(R.id.asc_childLinear));
public TextView textview = ((TextView) this.rootview.findViewById(R.id.asc_text));
public SmallTombolBulat tombol = ((SmallTombolBulat) this.rootview.findViewById(R.id.asc_tombol));
public ChildView(int iconcode, String textlabel, int circleColor) {
this.rootview = SettingAct_ViewHelper.this.inflater.inflate(R.layout.activity_setting_child, SettingAct_ViewHelper.this.table, false);
try {
this.tombol.setIconCode(SettingAct_ViewHelper.this.act.getResources().getString(iconcode));
} catch (Exception e) {
}
this.textview.setText(textlabel);
this.tombol.setCircleColor(circleColor);
}
}
private void addSettingChild() {
addEditextChild(R.string.im_laptop, "Loket", this.ifc.getLoket()+"", Color.parseColor("#e63e6f"), new C04201());
addEditextChild(R.string.im_user, "Antrian", this.ifc.getCurrentAntrian()+"", Color.parseColor("#730679"), new C04212());
ChildView modechild = new ChildView(R.string.im_tree, "Mode", Color.parseColor("#99c210"));
String[] modeopt = new String[]{"Standalone", "Client", "Server"};
Spinner spinner = new Spinner(this.act);
spinner.setAdapter(new ArrayAdapter(this.act, 17367048, modeopt));
spinner.setSelection(this.ifc.getAppMode());
spinner.setOnItemSelectedListener(new C04223());
modechild.childlinear.addView(spinner);
this.table.addView(modechild.rootview);
}
private void addClientMenu() {
int psound = 0;
if (this.ifc.getAppMode() == AntrianConfig.M_CLIENT) {
String serveradd = this.ifc.getServerAddress();
if (serveradd == null) {
serveradd = "";
}
addEditextChild(R.string.im_podcast, "Server", serveradd, Color.parseColor("#ffab31"), 1, new C04234());
ChildView modechild = new ChildView(R.string.im_megaphone, "Speakers", Color.parseColor("#99c210"));
String[] modeopt = new String[]{"Client", "Server"};
Spinner spinner = new Spinner(this.act);
spinner.setAdapter(new ArrayAdapter(this.act, 17367048, modeopt));
if (this.ifc.getPlaysoundAt() != 1) {
psound = 1;
}
spinner.setSelection(psound);
spinner.setOnItemSelectedListener(new C04245());
modechild.childlinear.addView(spinner);
this.table.addView(modechild.rootview);
}
}
private void addServerMenu() {
if (Integer.valueOf(this.ifc.getAppMode()).equals(Integer.valueOf(AntrianConfig.M_SERVER))) {
addEditextChild(R.string.im_podcast, "Port", new StringBuilder(String.valueOf(this.ifc.getServerPort())).toString(), Color.parseColor("#730679"), new C04256());
String devip = NetWorkTools.getIpAddress(this.act);
if (devip == null) {
devip = "";
}
devip = "http://" + devip + ":" + this.ifc.getServerPort() + "/";
ChildView ipcv = new ChildView(R.string.im_podcast, "Server URL", Color.parseColor("#99c210"));
TextView tv = new TextView(this.act);
tv.setTextSize(2, 16.0f);
tv.setTextColor(ViewCompat.MEASURED_STATE_MASK);
tv.setGravity(16);
tv.setText(devip);
ipcv.childlinear.addView(tv);
this.table.addView(ipcv.rootview);
ChildView cv = new ChildView(R.string.im_podcast, "Server Status", Color.parseColor("#99c210"));
this.tombolstatus = new TombolSwitch(this.act);
this.tombolstatus.setOn(Boolean.valueOf(false));
cv.childlinear.addView(this.tombolstatus);
this.table.addView(cv.rootview);
this.tombolstatus.setOnClickListener(new C04267());
getStatusServer();
}
}
private void addEditextChild(int icon, String textlabel, String valtext, int circleColor, OnKeyListener keylistener) {
addEditextChild(icon, textlabel, valtext, circleColor, 2, keylistener);
}
private void addEditextChild(int icon, String textlabel, String valtext, int circleColor, int editortype, OnKeyListener keylistener) {
ChildView cvLoket = new ChildView(icon, textlabel, circleColor);
EditText loketeditext = new EditText(this.act);
loketeditext.setText(valtext);
loketeditext.setInputType(editortype);
loketeditext.setOnKeyListener(keylistener);
cvLoket.childlinear.addView(loketeditext);
if (textlabel.equals("Loket")) {
this.et_loket = loketeditext;
}
if (textlabel.equals("Antrian")) {
this.et_antrian = loketeditext;
}
this.table.addView(cvLoket.rootview);
}
private void getStatusServer() {
try {
this.oldclient.disconnect();
} catch (Exception e) {
}
if (this.tombolstatus != null) {
ParamRequest param = new ParamRequest();
param.allowresponse = Boolean.valueOf(true);
param.reqmode = AntrianResponse.REQMODE_TEST;
this.oldclient = MyClient.getAntrian(this.act, new C06438(), "http://127.0.0.1:" + this.ifc.getServerPort(), param);
}
}
}
FATAL
FATAL EXCEPTION: main
Process: com.solusiwebmaster.antrian, PID: 22033
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.solusiwebmaster.antrian/com.solusiwebmaster.antrian.SettingAct}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.LayoutInflater android.app.Activity.getLayoutInflater()' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2984)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3045)
at android.app.ActivityThread.-wrap14(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1642)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6776)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1496)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1386)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.LayoutInflater android.app.Activity.getLayoutInflater()' on a null object reference
at com.solusiwebmaster.antrian.SettingAct_ViewHelper.<init>(SettingAct_ViewHelper.java:37)
at com.solusiwebmaster.antrian.SettingAct.onCreate(SettingAct.java:128)
at android.app.Activity.performCreate(Activity.java:6955)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1126)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2927)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3045)
at android.app.ActivityThread.-wrap14(ActivityThread.java)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1642)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6776)
当我运行应用程序时总是显示FATAL EXCEPTION：main。请帮忙
答案 0 :(得分：1)
首先初始化rootview
class ChildView {
public View rootview=SettingAct_ViewHelper.this.inflater.inflate(R.layout.activity_setting_child, SettingAct_ViewHelper.this.table, false);
public LinearLayout childlinear = ((LinearLayout) this.rootview.findViewById(R.id.asc_childLinear));
public TextView textview = ((TextView) this.rootview.findViewById(R.id.asc_text));
public SmallTombolBulat tombol = ((SmallTombolBulat) this.rootview.findViewById(R.id.asc_tombol));