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package com.example.javabutton;

import android.hardware.Sensor;

import android.hardware.SensorEvent;

import android.hardware.SensorEventListener;

import android.hardware.SensorManager;

import android.os.Bundle;

import android.preference.PreferenceManager;

import android.app.Activity;

import android.content.Intent;

import android.content.SharedPreferences;

import android.content.SharedPreferences.OnSharedPreferenceChangeListener;

import android.view.GestureDetector;

import android.view.KeyEvent;

import android.view.Menu;

import android.view.MenuItem;

import android.view.MotionEvent;

import android.view.View;

//import android.widget.Toast;

import android.media.AudioManager;

import android.media.SoundPool;

public class MainActivity extends Activity implements SensorEventListener, OnSharedPreferenceChangeListener {

private SensorManager sensorManager;

private Sensor accelerometer;

protected float JAVA_MIN_ACCEL=600.f;

protected float JAVA_MAX_ACCEL=1000.f;

private SoundPool javaPool;

private int maxJavaSounds=4;

private int javaSoundId,eyepadSoundId;

private boolean evenShake=true;

private GestureDetector gDetector;

private JavaGestureListener gestureListener;

private boolean enableLucky=false;

private java.util.Random random;

private boolean enableShakeModulation=true;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

random=new java.util.Random();

javaPool=new SoundPool(maxJavaSounds,AudioManager.STREAM_MUSIC,0);

javaSoundId=javaPool.load(this, R.raw.java22, 1);

eyepadSoundId=javaPool.load(this,R.raw.eyepad, 1);

gestureListener=new JavaGestureListener(this);

gDetector=new GestureDetector(this,gestureListener);

sensorManager= (SensorManager)getSystemService(SENSOR_SERVICE);

accelerometer= sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);

PreferenceManager.setDefaultValues(this, R.xml.preferences, false);

SharedPreferences shrPrefs=PreferenceManager.getDefaultSharedPreferences(this);

shrPrefs.registerOnSharedPreferenceChangeListener(this);

loadPreferences(shrPrefs);

}

private void loadPreferences(SharedPreferences shrPrefs) {

float density=getResources().getDisplayMetrics().density;

float x,y,z,w;

float v_min,v_max;

try {

x=Float.valueOf(shrPrefs.getString("pref_djJava_min", "2000"));

y=Float.valueOf(shrPrefs.getString("pref_djJava_max", "5000"));

} catch (Exception e) {

x=2000.f;

y=5000.f;

}

z=Math.max(1.f, Math.min(x, y));

v_min=density*z;

w=Math.max(v_min+1.f, Math.max(x, y));

v_max=density*w;

gestureListener.setMinMax(v_min, v_max);

try {

x=Float.valueOf(shrPrefs.getString("pref_shakeJava_min","600"));

y=Float.valueOf(shrPrefs.getString("pref_shakeJava_max", "1000"));

} catch (Exception e) {

x=600.f;

y=1000.f;

}

JAVA_MIN_ACCEL=Math.max(1.f, Math.min(x,y));

JAVA_MAX_ACCEL=Math.max(JAVA_MIN_ACCEL+1.f, Math.max(x, y));

enableLucky=shrPrefs.getBoolean("pref_lucky_enable", false);

enableShakeModulation=shrPrefs.getBoolean("pref_shakeJava_modulation_enable", true);

}

@Override

protected void onResume() {

super.onResume();

sensorManager.registerListener(this, accelerometer, SensorManager.SENSOR_STATUS_ACCURACY_LOW);

}

@Override

protected void onPause() {

super.onPause();

sensorManager.unregisterListener(this);

}

@Override

protected void onDestroy() {

super.onDestroy();

javaPool.release();

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

@Override

public boolean onMenuItemSelected(int featureId, MenuItem item) {

int itemId=item.getItemId();

if(itemId==R.id.action_settings) {

Intent intent=new Intent(this,SettingsActivity.class);

startActivity(intent);

return true;

}

return super.onMenuItemSelected(featureId,item);

}

public void JavaButtonClick(View v) {

playJava(1.f);

}

@Override

public void onSensorChanged(SensorEvent event) {

float x, y, z;

x=event.values[0];

y=event.values[1];

z=event.values[2];

float acceleration=x*x + y*y + z*z;

if (acceleration > JAVA_MIN_ACCEL) {

if(evenShake) {

float pitch;

acceleration=Math.min(acceleration, JAVA_MAX_ACCEL);

if(enableShakeModulation) {

pitch=0.8f+1.2f*(acceleration-JAVA_MIN_ACCEL)/(JAVA_MAX_ACCEL-JAVA_MIN_ACCEL);

} else {

pitch=1.f;

}

playJava(pitch);

}

evenShake=!evenShake;

}

}

@Override

public boolean onTouchEvent(MotionEvent event) {

return gDetector.onTouchEvent(event);

}

@Override

public void onAccuracyChanged(Sensor sensor, int accuracy){}

@Override

public void onSharedPreferenceChanged(SharedPreferences shrP, String arg1) {

loadPreferences(shrP);

}

public void playJava(float pitch) {

int sndId;

if(enableLucky) {

int r=random.nextInt(32);

sndId=(r==0)?eyepadSoundId:javaSoundId;

} else {

sndId=javaSoundId;

}

javaPool.play(sndId, 1.0f, 1.0f, 1, 0, pitch);

}

@Override

public boolean onKeyDown(int keyCode, KeyEvent event) {

if(event.getAction()==KeyEvent.ACTION_DOWN) {

if(keyCode==KeyEvent.KEYCODE_SPACE ||

keyCode==KeyEvent.KEYCODE_BUTTON_A ||

keyCode==KeyEvent.KEYCODE_BUTTON_L1 ||

keyCode==KeyEvent.KEYCODE_BUTTON_L2 ||

keyCode==KeyEvent.KEYCODE_BUTTON_R1 ||

keyCode==KeyEvent.KEYCODE_BUTTON_R2) {

playJava(1.f);

return true;

} else {

float pitch=JavaPiano.JavaPianoCalcCode(keyCode);

if(pitch>0.f) {

playJava(pitch);

return true;

}

}

}

return super.onKeyDown(keyCode, event);

}

}