구글 네이버 여기게시판 다 검색하고
별짓을 다해봤는데 안되네요
루트레이아웃?  크기를 조정하는것하고
child인 TextView의 margin값을 조정하고 싶습니다
둘다 안되네요....
도움부탁드립니다.. ㅠ.ㅠ



package aaa.bbb;


import android.app.Activity;
import android.os.Bundle;


import android.view.*;
import android.view.ViewGroup.LayoutParams;
import android.widget.*;

public class ttt extends Activity {
 
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);

//루트 레이아웃 크기 조정
  LinearLayout KK = (LinearLayout)findViewById(R.id.aaaa);
  LayoutParams params = new LayoutParams  (50, 100);
  KK.setLayoutParams(params);
 
//textView margin조정
 TextView tvv = (TextView)findViewById(R.id.text);

  ViewGroup.MarginLayoutParams margin = new ViewGroup.MarginLayoutParams(tvv.getLayoutParams());
  margin.setMargins(50, 0, 0, 0);      
   tvv.setLayoutParams(new RelativeLayout.LayoutParams(margin));
 

 }
}

 












main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:id="@+id/aaaa"
    >
<LinearLayout
android:id="@+id/aaaa2"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content" 
    android:background="#008800"
    >
    <TextView
android:id="@+id/text"
   android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    >
    </TextView>
   </LinearLayout>
</LinearLayout>





01-23 13:12:08.001: ERROR/AndroidRuntime(799): FATAL EXCEPTION: main
01-23 13:12:08.001: ERROR/AndroidRuntime(799): java.lang.ClassCastException: android.view.ViewGroup$LayoutParams
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3123)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.view.View.measure(View.java:8171)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.widget.LinearLayout.measureVertical(LinearLayout.java:526)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.widget.LinearLayout.onMeasure(LinearLayout.java:304)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.view.View.measure(View.java:8171)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:3132)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.widget.FrameLayout.onMeasure(FrameLayout.java:245)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.view.View.measure(View.java:8171)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.view.ViewRoot.performTraversals(ViewRoot.java:801)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.view.ViewRoot.handleMessage(ViewRoot.java:1727)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.os.Handler.dispatchMessage(Handler.java:99)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.os.Looper.loop(Looper.java:123)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at android.app.ActivityThread.main(ActivityThread.java:4627)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at java.lang.reflect.Method.invokeNative(Native Method)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at java.lang.reflect.Method.invoke(Method.java:521)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
01-23 13:12:08.001: ERROR/AndroidRuntime(799):     at dalvik.system.NativeStart.main(Native Method)

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