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ScrollView动态添加控件,并设定绑定事件

2015-04-14 15:14 357 查看
布局文件:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    <Button 
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="添加TextView控件"
        android:onClick="add"
        android:id="@+id/btn_add"
        android:layout_gravity="center_horizontal"/>
    <ScrollView 
        
        android:layout_width="fill_parent"
        android:layout_height="60dp"
        android:background="@android:color/holo_blue_light">
        <LinearLayout 
            android:id="@+id/sc"
            android:layout_width="wrap_content"
        	android:layout_height="wrap_content"
        	android:orientation="vertical">
  
        </LinearLayout>
      
    </ScrollView>

</LinearLayout>
添加事件:

public class TestActivity extends Activity {
	TextView tvNum1 = null;
	private int inum = 0;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		this.setContentView(R.layout.scrollview_layout);
		Button btn = (Button) this.findViewById(R.id.btn_add);
		btn.setOnClickListener(new OnClickListener(){

			@Override
			public void onClick(View v) {
				btn_add();
			}
			
		});
		//setClick();
	}
	
	private void btn_add(){
		LinearLayout sc = (LinearLayout) this.findViewById(R.id.sc);
		final TextView tvNum = new TextView(this);
		tvNum.setText("月季度喝茶" + inum++);
		tvNum.setTextColor(Color.WHITE);
		tvNum.setTextSize(20f);
	<span style="color:#ff0000;">	tvNum.setOnClickListener(new OnClickListener(){
			@Override
			public void onClick(View v) {
				Toast.makeText(TestActivity.this, tvNum.getText(), 0).show();
			}
		});</span>
		sc.addView(tvNum);
	}
}
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