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>
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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();
}
}
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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());
}
}
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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();
}
}
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ScrollView 에서 TextView 값이 넘어오면 자동으로 화면이 스크롤 되도록 처리하는 것이 필요하다고 판단되어 관련 코드를 구글링하여 테스트하고 적었다.
아직 세부적으로 기능 설명은 적지 못했다.
