android自定义控件一

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"	android:orientation="vertical" android:layout_width="match_parent"	android:layout_height="match_parent">	<TextView android:text="TextView" android:id="@+id/textView1"		android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView>	<TextView android:text="TextView" android:id="@+id/textView2"		android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView>	<TextView android:text="TextView" android:id="@+id/textView3"		android:layout_width="wrap_content" android:layout_height="wrap_content"></TextView></LinearLayout>

package com.tcl.testmywidget;import android.content.Context;import android.util.AttributeSet;import android.view.LayoutInflater;import android.view.View;import android.widget.LinearLayout;import android.widget.TextView;public class MyWidget extends LinearLayout{	private View mView;	/**	 * 在xml中定义控件的构造函数	 * @param context	 * @param attrs	 */	public MyWidget(Context context, AttributeSet attrs) {		super(context, attrs);		mView = LayoutInflater.from(context).inflate(R.layout.mywidget, this, true);	}	/**	 * 设置第一个textview	 * @param string	 */	public void setText1(String string)	{		if(mView!=null)		{			TextView textView = (TextView) mView.findViewById(R.id.textView1);			textView.setText(string);		}	}	/**	 * 设置第二个textview	 * @param string	 */	public void setText2(String string)	{		if(mView!=null)		{			TextView textView = (TextView) mView.findViewById(R.id.textView2);			textView.setText(string);		}	}	public void setText3(String string)	{		if(mView!=null)		{			TextView textView = (TextView) mView.findViewById(R.id.textView3);			textView.setText(string);		}	}	/**	 * 在代码中定义控件的构造函数	 * @param context	 */	public MyWidget(Context context) {		super(context);		// TODO Auto-generated constructor stub	}}

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    >    <com.tcl.testmywidget.MyWidget    android:id="@+id/mywidget"    android:layout_width="wrap_content"    android:layout_height="wrap_content"    ></com.tcl.testmywidget.MyWidget></LinearLayout>

package com.tcl.testmywidget;import android.app.Activity;import android.os.Bundle;public class TestMyWidgetActivity extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);        MyWidget myWidget = (MyWidget) findViewById(R.id.mywidget);        myWidget.setText1("this is text1");        myWidget.setText2("this is text2");        myWidget.setText3("this is text3");    }}