Android - 크기 정하기 onMeasure ( int widthMeasureSpec, int heightMeasureSpec )

# Android - 크기 정하기 onMeasure ( int widthMeasureSpec, int heightMeasureSpec ) : android, onMeasure ```java package exam.Widget; import android.app.*; import android.content.*; import android.graphics.*; import android.os.*; import android.util.*; import android.view.*; import android.widget.*; import exam.AndroidExam.*; public class Measuring extends Activity { public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.widget_measuring); final MeasView meas = (MeasView)findViewById(R.id.meas); final EditText text = (EditText)findViewById(R.id.text); text.postDelayed(new Runnable() { public void run() { text.setText(meas.mResult); } }, 1000); } } class MeasView extends View { String mResult = ""; public MeasView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } public MeasView(Context context, AttributeSet attrs) { super(context, attrs); } public MeasView(Context context) { super(context); } protected void onDraw(Canvas canvas) { canvas.drawColor(Color.RED); } protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int wMode, hMode; int wSpec, hSpec; int Width, Height; Width = 150; Height = 80; wMode = MeasureSpec.getMode(widthMeasureSpec); wSpec = MeasureSpec.getSize(widthMeasureSpec); hMode = MeasureSpec.getMode(heightMeasureSpec); hSpec = MeasureSpec.getSize(heightMeasureSpec); switch (wMode) { case MeasureSpec.AT_MOST: Width = Math.min(wSpec, Width); break; case MeasureSpec.EXACTLY: Width = wSpec; break; case MeasureSpec.UNSPECIFIED: break; } switch (hMode) { case MeasureSpec.AT_MOST: Height = Math.min(hSpec, Height); break; case MeasureSpec.EXACTLY: Height = hSpec;; break; case MeasureSpec.UNSPECIFIED: break; } /* if (wMode == MeasureSpec.AT_MOST && hMode == MeasureSpec.AT_MOST) { Width = Height = Math.min(Width, Height); } //*/ setMeasuredDimension(Width, Height); mResult += (Spec2String(widthMeasureSpec) + ", " + Spec2String(heightMeasureSpec) + " -> (" + Width + "," + Height + ")\n"); } String Spec2String(int Spec) { String str = ""; switch (MeasureSpec.getMode(Spec)) { case MeasureSpec.AT_MOST: str = "AT_MOST"; break; case MeasureSpec.EXACTLY: str = "EXACTLY"; break; default: str = "UNSPECIFIED"; break; } str += " " + MeasureSpec.getSize(Spec); return str; } } ``` #### widget_measuring.xml ```xml