ScrollView 데이터 자동 화면 표시

ScrollView 에 자동으로 가져온 데이터를 화면 출력하고 스크롤이 되도록 하는 샘플 코드다.

TextView 옵션을 못찾아 구글링으로 관련 코드를 찾으라 한참 삽질하고 동작 확인하고 세부 구현을 위한 기초 데이터로서는 되겠다 싶어 기초사항을 적는다.

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:app="http://schemas.android.com/apk/res-auto"     xmlns:tools="http://schemas.android.com/tools"     android:orientation="vertical"     android:layout_width="match_parent"     android:layout_height="match_parent">     <LinearLayout         android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:orientation="horizontal">         <Button             android:id="@+id/btn_service_start"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_weight="1"             android:text="서비스 시작" />         <Button             android:id="@+id/btn_service_end"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_weight="1"             android:text="서비스 종료" />         <Button             android:id="@+id/btn_service_data"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_weight="1"             android:textAllCaps="false"             android:text="데이터 Get" />         <Button             android:id="@+id/btn_clear_data"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_weight="1"             android:textAllCaps="false"             android:text="화면 Clear" />     </LinearLayout>     <ScrollView         android:id="@+id/scrollview"         android:layout_width="match_parent"         android:layout_height="0dp"         android:layout_margin="5dp"         android:layout_weight="1"         android:descendantFocusability="beforeDescendants"         android:gravity="center"         android:background="#000000">         <TextView             android:id="@+id/consoleText"             android:layout_width="match_parent"             android:layout_height="40dp"             android:layout_margin="5dp"             android:textIsSelectable="false"             android:gravity="left"             android:textColor="#FFFFFF"/>     </ScrollView>     <LinearLayout         android:layout_width="match_parent"         android:layout_height="wrap_content"         android:orientation="horizontal"         android:weightSum="3">         <EditText             android:id="@+id/EtInput"             android:layout_width="wrap_content"             android:layout_height="match_parent"             android:layout_weight="3"             android:inputType="textMultiLine"             android:lines="2"             android:hint="명령어를 입력하세요" />         <Button             android:id="@+id/send"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:background="#00000000"             android:text="send" />     </LinearLayout> </LinearLayout>

import android.app.Service; import android.content.Intent; import android.os.Binder; import android.os.IBinder; import android.util.Log; import static android.content.ContentValues.TAG; public class getDataCallService extends Service {     IBinder mBinder = new DataCallBinder();     public getDataCallService() {     }     class DataCallBinder extends Binder {         getDataCallService getService() { // 서비스 객체를 리턴             return getDataCallService.this;         }     }     public String getBroastData(){         return "getDataCallService data\n Line Feed.";     }     @Override     public IBinder onBind(Intent intent) {         Log.d(TAG, "서비스 onBind 에서 시작");         return mBinder;     }     @Override     public void onCreate() {         super.onCreate();     }     @Override     public int onStartCommand(Intent intent, int flags, int startId) {         Log.d(TAG, "서비스 시작");         return super.onStartCommand(intent, flags, startId);     }     @Override     public void onDestroy() {         Log.d(TAG, "서비스 종료");         super.onDestroy();     } }

import android.content.ComponentName; import android.content.Context; import android.content.Intent; import android.content.ServiceConnection; import android.os.Build; import android.os.Bundle; import android.os.IBinder; import android.support.v7.app.AppCompatActivity; import android.text.InputType; import android.view.MotionEvent; import android.view.View; import android.view.inputmethod.EditorInfo; import android.widget.Button; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ScrollView; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity {     Context context;     getDataCallService ms; // 서비스     boolean isService = false; // 서비스 실행 확인     TextView mDumpTextView;     ScrollView mScrollView;     private Runnable mScrollingRunnable;     public EditText editText;     public Button send;     ServiceConnection connection = new ServiceConnection() {         @Override         public void onServiceConnected(ComponentName name, IBinder service) {             // 서비스와 연결되었을 때 호출되는 메서드             getDataCallService.DataCallBinder mb = (getDataCallService.DataCallBinder) service;             ms = mb.getService();             isService = true;         }         @Override         public void onServiceDisconnected(ComponentName name) {             isService = false;         }     };     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_main);         context = this.getBaseContext();         Button btnStart = (Button) findViewById(R.id.btn_service_start);         Button btnEnd = (Button) findViewById(R.id.btn_service_end);         Button btnCallData = (Button) findViewById(R.id.btn_service_data);         Button btnClearData = (Button) findViewById(R.id.btn_clear_data);         mScrollView = findViewById(R.id.scrollview);         mDumpTextView = (TextView) findViewById(R.id.consoleText);         editText = (EditText) findViewById(R.id.EtInput);         send = (Button) findViewById(R.id.send);         final SoftKeyboardDectectorView softKeyboardDecector = new SoftKeyboardDectectorView(this);         addContentView(softKeyboardDecector, new FrameLayout.LayoutParams(-1, -1));         softKeyboardDecector.setOnShownKeyboard(new SoftKeyboardDectectorView.OnShownKeyboardListener() {             @Override             public void onShowSoftKeyboard() {                 //키보드 등장할 때 채팅창 마지막 입력 내용을 바로 보이도록 처리                 mScrollView.fullScroll(ScrollView.FOCUS_DOWN);             }         });         btnStart.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View v) {                 // 서비스 시작하기                 Intent intent = new Intent(getApplicationContext(), getDataCallService.class);                 bindService(intent,connection, Context.BIND_AUTO_CREATE);             }         });         btnEnd.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View v) {                 // 서비스 종료                 unbindService(connection);             }         });         btnClearData.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View v) {                 mDumpTextView.setText("");                 mScrollView.invalidate();             }         });         // message send action         send.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View v) {                 if (!editText.getText().toString().isEmpty()) {                     updateReceivedData(editText.getText().toString());                     editText.setText(" ");                 }             }         });         mScrollView.setVerticalScrollBarEnabled(true); // 수직방향 스크롤바 사용 가능하도록 설정         mScrollView.setOnTouchListener(new View.OnTouchListener() {             @Override             public boolean onTouch(View v, MotionEvent event) {                 return false; // 이건 기능 테스트 목적으로 아직 구현이 안된 상태             }         });         btnCallData.setOnClickListener(new View.OnClickListener() {             @Override             public void onClick(View v) {                 if(!isService){                     Toast.makeText(getApplicationContext(), "서비스가 실행중이 아닙니다.", Toast.LENGTH_SHORT).show();                 } else {                     String data = ms.getBroastData(); // 서비스에서 가져온 데이터                     updateReceivedData(data);                 }             }         });     }     private void updateReceivedData(String data) { // 콘솔 결과 데이터라 가정하고 테스트 함         final String message = data + "\n";  // 실제 USB 콘솔 연결시에는 \n 은 삭제처리하는게 좋음         mDumpTextView.append(message);         mDumpTextView.setTextColor(Color.WHITE);         mDumpTextView.setTextIsSelectable(false);         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {             mDumpTextView.setElegantTextHeight(true);         }         mDumpTextView.setImeOptions(EditorInfo.IME_FLAG_NO_ENTER_ACTION);         mDumpTextView.setInputType(InputType.TYPE_TEXT_FLAG_MULTI_LINE);         mDumpTextView.setSingleLine(false);         refreshView();     }     private void refreshView(){         mScrollView.postDelayed(new Runnable() {             @Override             public void run() {                 mScrollView.fullScroll(ScrollView.FOCUS_DOWN);             }         },100);         //mScrollView.setScrollY(View.FOCUS_DOWN);         mScrollView.smoothScrollTo(0, mDumpTextView.getBottom());     } }

import android.app.Activity; import android.content.Context; import android.graphics.Rect; import android.util.AttributeSet; import android.view.View; public class SoftKeyboardDectectorView extends View {     // 출처 : http://givenjazz.tistory.com/54     private boolean mShownKeyboard;     private OnShownKeyboardListener mOnShownSoftKeyboard;     private OnHiddenKeyboardListener onHiddenSoftKeyboard;     public SoftKeyboardDectectorView(Context context) {         this(context, null);     }     public SoftKeyboardDectectorView(Context context, AttributeSet attrs) {         super(context, attrs);     }     @Override     protected void onSizeChanged(int w, int h, int oldw, int oldh) {         Activity activity = (Activity)getContext();         Rect rect = new Rect();         activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(rect);         int statusBarHeight = rect.top;         int screenHeight = activity.getWindowManager().getDefaultDisplay().getHeight();         int diffHeight = (screenHeight - statusBarHeight) - h;         if (diffHeight > 100 && !mShownKeyboard) { // 모든 키보드는 100px보다 크다고 가정             mShownKeyboard = true;             onShownSoftKeyboard();         } else if (diffHeight < 100 && mShownKeyboard) {             mShownKeyboard = false;             onHiddenSoftKeyboard();         }         super.onSizeChanged(w, h, oldw, oldh);     }     public void onHiddenSoftKeyboard() {         if (onHiddenSoftKeyboard != null)             onHiddenSoftKeyboard.onHiddenSoftKeyboard();     }     public void onShownSoftKeyboard() {         if (mOnShownSoftKeyboard != null)             mOnShownSoftKeyboard.onShowSoftKeyboard();     }     public void setOnShownKeyboard(OnShownKeyboardListener listener) {         mOnShownSoftKeyboard = listener;     }     public void setOnHiddenKeyboard(OnHiddenKeyboardListener listener) {         onHiddenSoftKeyboard = listener;     }     public interface OnShownKeyboardListener {         public void onShowSoftKeyboard();     }     public interface OnHiddenKeyboardListener {         public void onHiddenSoftKeyboard();     } }

ScrollView 에서 TextView 값이 넘어오면 자동으로 화면이 스크롤 되도록 처리하는 것이 필요하다고 판단되어 관련 코드를 구글링하여 테스트하고 적었다.

아직 세부적으로 기능 설명은 적지 못했다.