package foolstudio.demo.sys;import android.app.Activity;import android.os.Bundle;import android.os.Environment;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;public class EnvironmentInfoAct extends Activity implements OnClickListener {		private Button mBtnRegister = null;	private Button mBtnAction = null;	private Button mBtnUnregister = null;		private EditText mTxtContents = null;		    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                mBtnRegister = (Button)findViewById(R.id.BTN_INIT);        mBtnAction = (Button)findViewById(R.id.BTN_ACTION);        mBtnUnregister = (Button)findViewById(R.id.BTN_UNINIT);        //        mTxtContents = (EditText)findViewById(R.id.TXT_CONTENTS);                        mBtnRegister.setOnClickListener(this);        mBtnAction.setOnClickListener(this);        mBtnUnregister.setOnClickListener(this);      }		@Override	public void onClick(View v) {		// TODO Auto-generated method stub		switch(v.getId() ) {			case R.id.BTN_INIT: {				doInit();				break;			}				case R.id.BTN_ACTION: {				clearText();				doAction();				break;			}						case R.id.BTN_UNINIT: {				doUninit();				break;			}				}	}	private void doUninit() {		// TODO Auto-generated method stub	}	private void doInit() {		// TODO Auto-generated method stub	}	private void doAction() {		// TODO Auto-generated method stub		printText("數(shù)據(jù)文件夾："+Environment.getDataDirectory() );		printText("下載緩存文件夾："+Environment.getDownloadCacheDirectory() );		printText("外部存儲(chǔ)文件夾："+Environment.getExternalStorageDirectory() );		printText("外部存儲(chǔ)狀態(tài)："+				  getStateDesc(Environment.getExternalStorageState() ) );		printText("根文件夾："+Environment.getRootDirectory() );	}		//獲取存儲(chǔ)器狀態(tài)描述	private String getStateDesc(String state) {		// TODO Auto-generated method stub		if(state.equalsIgnoreCase(Environment.MEDIA_BAD_REMOVAL) ) {			return ("錯(cuò)誤移除");		}		else if(state.equalsIgnoreCase(Environment.MEDIA_CHECKING) ) {			return ("檢測(cè)ing");		}		if(state.equalsIgnoreCase(Environment.MEDIA_MOUNTED) ) {			return ("就緒");		}		else if(state.equalsIgnoreCase(Environment.MEDIA_MOUNTED_READ_ONLY) ) {			return ("只讀");		}		if(state.equalsIgnoreCase(Environment.MEDIA_NOFS) ) {			return ("不支持的文件系統(tǒng)");		}		else if(state.equalsIgnoreCase(Environment.MEDIA_REMOVED) ) {			return ("已移除");		}		if(state.equalsIgnoreCase(Environment.MEDIA_SHARED) ) {			return ("共享");		}		else if(state.equalsIgnoreCase(Environment.MEDIA_UNMOUNTABLE) ) {			return ("不能安裝");		}				else if(state.equalsIgnoreCase(Environment.MEDIA_UNMOUNTED) ) {			return ("沒(méi)有安裝");		}							return (state);	}	private void clearText() {		mTxtContents.setText("");	}		private void printText(String text) {		mTxtContents.append(text);		mTxtContents.append("\n");	}	};