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package com.example.testaccelerometer;
 
import java.util.List;
 
import android.app.Activity;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.WindowManager;
import android.widget.LinearLayout;
import android.widget.TextView;
 
public class TestAccelerometer extends Activity
    						implements SensorEventListener {
    private TextView txtView;
	// センサーマネージャ
	private SensorManager mSensorManager;
	private Sensor mAccelerometer;
	private float[] nValues = new float[3];
	private float[] oValues = new float[3];
	private TickHandler tickHandler;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        LinearLayout layout=new LinearLayout(this);
        layout.setOrientation(LinearLayout.VERTICAL);
        setContentView(layout);
/*
        scView=new ScrollView(this);
        scView.setLayoutParams(new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.MATCH_PARENT,
                LinearLayout.LayoutParams.WRAP_CONTENT));
        layout.addView(scView);
*/
        txtView=new TextView(this);
        txtView.setText("");
        txtView.setLayoutParams(new LinearLayout.LayoutParams(
                LinearLayout.LayoutParams.MATCH_PARENT,
                LinearLayout.LayoutParams.WRAP_CONTENT));
        //scView.addView(txtView);
        layout.addView(txtView);
        // センサーマネージャのインスタンスを取得
        mSensorManager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
        // センサーの取得
        List<Sensor> list = mSensorManager.getSensorList(Sensor.TYPE_ACCELEROMETER);
        if (list.size()>0) {
        	mAccelerometer = list.get(0);
        }
        // 画面のロックを防ぐ
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    }
    @Override
    public void onResume() {
    	super.onResume();
    	if (mAccelerometer!=null) {
    		// SensorEventListenerを登録します
    		mSensorManager.registerListener(this, mAccelerometer,SensorManager.SENSOR_DELAY_UI);
    	}
        //定期処理ハンドラの生成と実行
        tickHandler=new TickHandler();
        tickHandler.sleep(0);
    }
    public void onStop() {
    	super.onStop();
		mSensorManager.unregisterListener(this);
		//定期処理ハンドラの停止
		tickHandler=null;
    }
 
	public void onAccuracyChanged(Sensor sensor, int accuracy) {
		// TODO 自動生成されたメソッド・スタブ
 
	}
 
	public void onSensorChanged(SensorEvent event) {
		// TODO 自動生成されたメソッド・スタブ
 
		if (event.sensor.getType()!= Sensor.TYPE_ACCELEROMETER) {
			return;
		}
		oValues[0] = nValues[0];
		oValues[1] = nValues[1];
		oValues[2] = nValues[2];
		nValues[0] = event.values[SensorManager.DATA_X];
		nValues[1] = event.values[SensorManager.DATA_Y];
		nValues[2] = event.values[SensorManager.DATA_Z];
	}
	public class TickHandler extends Handler {
		@Override
		public void handleMessage(Message msg) {
			StringBuffer bufStr = new StringBuffer();
 
			bufStr.append("新 value[0]: meams X軸" + nValues[0] + "\n");
			bufStr.append("新 value[1]: meams Y軸" + nValues[1] + "\n");
			bufStr.append("新 value[2]: meams Z軸" + nValues[2] + "\n");
			bufStr.append("=================================\n");
			bufStr.append("旧 value[0]: meams X軸" + oValues[0] + "\n");
			bufStr.append("旧 value[1]: meams Y軸" + oValues[1] + "\n");
			bufStr.append("旧 value[2]: meams Z軸" + oValues[2] + "\n");
 
	    	txtView.setText(bufStr.toString());
	    	if (tickHandler!=null) tickHandler.sleep(1);
		}
		public void sleep(long delayMills) {
			removeMessages(0);	//使用済みのメッセージの削除
			/*
			 * obtainMessageはグローバル・メッセージ・プールにある
			 * インスタンスを使用することを指示する
			 */
			sendMessageDelayed(obtainMessage(0),delayMills);
		}
	}
 
}

Main.java:18: class TestAccelerometer is public, should be declared in a file named TestAccelerometer.java
public class TestAccelerometer extends Activity
       ^
Main.java:5: package android.app does not exist
import android.app.Activity;
                  ^
Main.java:6: package android.content does not exist
import android.content.Context;
                      ^
Main.java:7: package android.hardware does not exist
import android.hardware.Sensor;
                       ^
Main.java:8: package android.hardware does not exist
import android.hardware.SensorEvent;
                       ^
Main.java:9: package android.hardware does not exist
import android.hardware.SensorEventListener;
                       ^
Main.java:10: package android.hardware does not exist
import android.hardware.SensorManager;
                       ^
Main.java:11: package android.os does not exist
import android.os.Bundle;
                 ^
Main.java:12: package android.os does not exist
import android.os.Handler;
                 ^
Main.java:13: package android.os does not exist
import android.os.Message;
                 ^
Main.java:14: package android.view does not exist
import android.view.WindowManager;
                   ^
Main.java:15: package android.widget does not exist
import android.widget.LinearLayout;
                     ^
Main.java:16: package android.widget does not exist
import android.widget.TextView;
                     ^
Main.java:18: cannot find symbol
symbol: class Activity
public class TestAccelerometer extends Activity
                                       ^
Main.java:19: cannot find symbol
symbol: class SensorEventListener
    						implements SensorEventListener {
    						           ^
Main.java:20: cannot find symbol
symbol  : class TextView
location: class com.example.testaccelerometer.TestAccelerometer
    private TextView txtView;
            ^
Main.java:22: cannot find symbol
symbol  : class SensorManager
location: class com.example.testaccelerometer.TestAccelerometer
	private SensorManager mSensorManager;
	        ^
Main.java:23: cannot find symbol
symbol  : class Sensor
location: class com.example.testaccelerometer.TestAccelerometer
	private Sensor mAccelerometer;
	        ^
Main.java:95: cannot find symbol
symbol  : class Handler
location: class com.example.testaccelerometer.TestAccelerometer
	public class TickHandler extends Handler {
	                                 ^
Main.java:30: cannot find symbol
symbol  : class Bundle
location: class com.example.testaccelerometer.TestAccelerometer
    public void onCreate(Bundle savedInstanceState) {
                         ^
Main.java:77: cannot find symbol
symbol  : class Sensor
location: class com.example.testaccelerometer.TestAccelerometer
	public void onAccuracyChanged(Sensor sensor, int accuracy) {
	                              ^
Main.java:82: cannot find symbol
symbol  : class SensorEvent
location: class com.example.testaccelerometer.TestAccelerometer
	public void onSensorChanged(SensorEvent event) {
	                            ^
Main.java:97: cannot find symbol
symbol  : class Message
location: class com.example.testaccelerometer.TestAccelerometer.TickHandler
		public void handleMessage(Message msg) {
		                          ^
Main.java:31: cannot find symbol
symbol  : variable super
location: class com.example.testaccelerometer.TestAccelerometer
        super.onCreate(savedInstanceState);
        ^
Main.java:32: cannot find symbol
symbol  : class LinearLayout
location: class com.example.testaccelerometer.TestAccelerometer
        LinearLayout layout=new LinearLayout(this);
        ^
Main.java:32: cannot find symbol
symbol  : class LinearLayout
location: class com.example.testaccelerometer.TestAccelerometer
        LinearLayout layout=new LinearLayout(this);
                                ^
Main.java:33: cannot find symbol
symbol  : variable LinearLayout
location: class com.example.testaccelerometer.TestAccelerometer
        layout.setOrientation(LinearLayout.VERTICAL);
                              ^
Main.java:42: cannot find symbol
symbol  : class TextView
location: class com.example.testaccelerometer.TestAccelerometer
        txtView=new TextView(this);
                    ^
Main.java:44: package LinearLayout does not exist
        txtView.setLayoutParams(new LinearLayout.LayoutParams(
                                                ^
Main.java:45: package LinearLayout does not exist
                LinearLayout.LayoutParams.MATCH_PARENT,
                            ^
Main.java:46: package LinearLayout does not exist
                LinearLayout.LayoutParams.WRAP_CONTENT));
                            ^
Main.java:50: cannot find symbol
symbol  : class SensorManager
location: class com.example.testaccelerometer.TestAccelerometer
        mSensorManager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
                          ^
Main.java:50: cannot find symbol
symbol  : variable Context
location: class com.example.testaccelerometer.TestAccelerometer
        mSensorManager = (SensorManager)getSystemService(Context.SENSOR_SERVICE);
                                                         ^
Main.java:52: cannot find symbol
symbol  : class Sensor
location: class com.example.testaccelerometer.TestAccelerometer
        List<Sensor> list = mSensorManager.getSensorList(Sensor.TYPE_ACCELEROMETER);
             ^
Main.java:52: cannot find symbol
symbol  : variable Sensor
location: class com.example.testaccelerometer.TestAccelerometer
        List<Sensor> list = mSensorManager.getSensorList(Sensor.TYPE_ACCELEROMETER);
                                                         ^
Main.java:57: package WindowManager does not exist
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
                                          ^
Main.java:57: cannot find symbol
symbol  : method getWindow()
location: class com.example.testaccelerometer.TestAccelerometer
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
        ^
Main.java:29: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:61: cannot find symbol
symbol  : variable super
location: class com.example.testaccelerometer.TestAccelerometer
    	super.onResume();
    	^
Main.java:64: cannot find symbol
symbol  : variable SensorManager
location: class com.example.testaccelerometer.TestAccelerometer
    		mSensorManager.registerListener(this, mAccelerometer,SensorManager.SENSOR_DELAY_UI);
    		                                                     ^
Main.java:59: method does not override or implement a method from a supertype
    @Override
    ^
Main.java:71: cannot find symbol
symbol  : variable super
location: class com.example.testaccelerometer.TestAccelerometer
    	super.onStop();
    	^
Main.java:85: cannot find symbol
symbol  : variable Sensor
location: class com.example.testaccelerometer.TestAccelerometer
		if (event.sensor.getType()!= Sensor.TYPE_ACCELEROMETER) {
		                             ^
Main.java:91: cannot find symbol
symbol  : variable SensorManager
location: class com.example.testaccelerometer.TestAccelerometer
		nValues[0] = event.values[SensorManager.DATA_X];
		                          ^
Main.java:92: cannot find symbol
symbol  : variable SensorManager
location: class com.example.testaccelerometer.TestAccelerometer
		nValues[1] = event.values[SensorManager.DATA_Y];
		                          ^
Main.java:93: cannot find symbol
symbol  : variable SensorManager
location: class com.example.testaccelerometer.TestAccelerometer
		nValues[2] = event.values[SensorManager.DATA_Z];
		                          ^
Main.java:109: operator != cannot be applied to com.example.testaccelerometer.TestAccelerometer.TickHandler,<nulltype>
	    	if (tickHandler!=null) tickHandler.sleep(1);
	    	               ^
Main.java:96: method does not override or implement a method from a supertype
		@Override
		^
Main.java:112: cannot find symbol
symbol  : method removeMessages(int)
location: class com.example.testaccelerometer.TestAccelerometer.TickHandler
			removeMessages(0);	//?????????????
			^
Main.java:117: cannot find symbol
symbol  : method obtainMessage(int)
location: class com.example.testaccelerometer.TestAccelerometer.TickHandler
			sendMessageDelayed(obtainMessage(0),delayMills);
			                   ^
50 errors

Standard output is empty