UIを最新の状態に保つためにオブザーバーパターンを読んでいますが、それでも機能させることができません。オブザーバーが私のUIであり、Petクラスに変数の変更がないかどうかを監視していることを理解している限りです。 update();を実行するものです。その瞬間、Log.dでさえも、何もしません。
オブザーバー/メインアクティビティ
package com.grim.droidchi;
import java.util.Observable;
import java.util.Observer;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebSettings.LayoutAlgorithm;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity implements Observer, OnClickListener {
private static final String TAG = "VPET";
private static final String APP_PREFS = "VPET";
private static final int REQUEST_CODE = 1;
TextView happiness_display, health_display, hunger_display, level_display;
Button PunchPet, UpdateHunger;
public static Pet pet = new Renamon();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
WebView myWebView = (WebView) findViewById(R.id.pet_display);
myWebView.loadUrl("file:///android_asset/renamon.gif");
myWebView.setInitialScale(10000);
myWebView.getSettings().setLayoutAlgorithm(LayoutAlgorithm.SINGLE_COLUMN);
PunchPet = (Button) findViewById(R.id.PunchPet);
UpdateHunger = (Button) findViewById(R.id.UpdateHunger);
final TextView hunger_display = (TextView) findViewById(R.id.hunger_display);
TextView happiness_display = (TextView) findViewById(R.id.happiness_display);
TextView level_display = (TextView) findViewById(R.id.level_display);
TextView health_display = (TextView) findViewById(R.id.health_display);
hunger_display.setText(Integer.toString(pet.getHunger()));
health_display.setText(Integer.toString(pet.getHP()));
level_display.setText(Integer.toString(pet.getLVL()));
happiness_display.setText(Integer.toString(pet.getHappy()));
Intent intent = new Intent(this, Gameloop.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(
getBaseContext(), REQUEST_CODE, intent, 0);
AlarmManager alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP,
System.currentTimeMillis() + (5 * 1000), 1800000, pendingIntent);
// 1800000 ms = 30 mins
pet.feed();
pet.addObserver(this);
pet.notifyObservers(pet);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
@Override
protected void onPause() {
super.onPause();
}
@Override
public void update(Observable o, Object data) {
Toast.makeText(getApplicationContext(), "soemthing has changed", Toast.LENGTH_LONG).show();
}
@Override
public void onClick(View v) {
if (v == PunchPet) {
pet.setLVL(50);
pet.notifyObservers(pet);
Log.d(TAG, "PUNCHPET" + pet.getHP());
}else {
}
}
}
観察可能/ペット
package com.grim.droidchi;
import java.util.Observable;
import android.util.Log;
public class Pet extends Observable implements PetInterface {
private static final String TAG = "VPET";
private int Health = 100;
private int Happiness = 10;
private int Level = 1;
private int Hunger = 0;
private int Exp = 0;
private String Name;
private Boolean isAlive = true;
private Boolean isSick = false;
public void setisAlive(boolean answer) {
this.isAlive = answer;
}
public void setisSick(boolean answer) {
this.isAlive = answer;
}
public void setHP(int hp) {
this.Health = hp;
notifyObservers(hp);
}
public void setLVL(int lvl) {
this.Level = lvl;
notifyObservers(lvl);
}
public void setXP(int xp) {
this.Exp = xp;
notifyObservers(xp);
}
public void setHunger(int hunger) {
this.Hunger = hunger;
notifyObservers(hunger);
}
public void setHappy(int happy) {
this.Happiness = happy;
notifyObservers(happy);
}
public int getHP() {
return Health;
}
public int getLVL() {
return Level;
}
public int getXP() {
return Exp;
}
public int getHunger() {
return Hunger;
}
public int getHappy() {
return Happiness;
}
public boolean isAlive() {
return isAlive;
}
public boolean isSick() {
return isSick;
}
@Override
public void sleep() {
// TODO Auto-generated method stub
}
@Override
public void clean() {
// TODO Auto-generated method stub
}
@Override
public void feed() {
Log.d(TAG, "FEEDING FROM INTERFACE THING");
}
@Override
public void passtime() {
}
}
はい、私もこれを尋ねましたが、ご存知のように、2つの答えがあり(おそらく正しいかもしれませんが、私には役立ちません)、もう受信できなくなります。削除できれば、リストのはるか下にドロップされます。それは私が
Logcat
02-25 22:51:50.381: E/AndroidRuntime(12026): FATAL EXCEPTION: main
02-25 22:51:50.381: E/AndroidRuntime(12026): java.lang.NullPointerException
02-25 22:51:50.381: E/AndroidRuntime(12026): at com.grim.droidchi.MainActivity.update(MainActivity.java:93)
02-25 22:51:50.381: E/AndroidRuntime(12026): at java.util.Observable.notifyObservers(Observable.java:138)
02-25 22:51:50.381: E/AndroidRuntime(12026): at com.grim.droidchi.Pet.setHP(Pet.java:33)
02-25 22:51:50.381: E/AndroidRuntime(12026): at com.grim.droidchi.MainActivity$1.onClick(MainActivity.java:47)
02-25 22:51:50.381: E/AndroidRuntime(12026): at android.view.View.performClick(View.java:4202)
02-25 22:51:50.381: E/AndroidRuntime(12026): at android.view.View$PerformClick.run(View.java:17340)
02-25 22:51:50.381: E/AndroidRuntime(12026): at android.os.Handler.handleCallback(Handler.java:725)
02-25 22:51:50.381: E/AndroidRuntime(12026): at android.os.Handler.dispatchMessage(Handler.java:92)
02-25 22:51:50.381: E/AndroidRuntime(12026): at android.os.Looper.loop(Looper.java:137)
02-25 22:51:50.381: E/AndroidRuntime(12026): at android.app.ActivityThread.main(ActivityThread.java:5191)
02-25 22:51:50.381: E/AndroidRuntime(12026): at java.lang.reflect.Method.invokeNative(Native Method)
02-25 22:51:50.381: E/AndroidRuntime(12026): at java.lang.reflect.Method.invoke(Method.java:511)
02-25 22:51:50.381: E/AndroidRuntime(12026): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
02-25 22:51:50.381: E/AndroidRuntime(12026): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
02-25 22:51:50.381: E/AndroidRuntime(12026): at dalvik.system.NativeStart.main(Native Method)