Android自定义控件LinearLayout实例讲解

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 public class ImageBtn extendsLinearLayout {
 
 privateImageView imageView;
 privateTextView textView;
 
 publicImageBtn(Context context) {
 super(context);
 // TODO Auto-generated constructor stub
 }
 publicImageBtn(Context context, AttributeSet attrs) {
 super(context, attrs);
 // TODO Auto-generated constructor stub
 LayoutInflater inflater=(LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
 inflater.inflate(R.layout.imagebtn,this);
 imageView=(ImageView) findViewById(R.id.imageView1);
 textView=(TextView)findViewById(R.id.textView1);
 }
 
 /**
 * 设置图片资源
 */
 publicvoidsetImageResource(intresId) {
 imageView.setImageResource(resId);
 }
 
 /**
 * 设置显示的文字
 */
 publicvoidsetTextViewText(String text) {
 textView.setText(text);
 }
 
 }

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 public class IdentifyButtonActivity extendsActivity {
 privateImageBtn imageBtn1; 
 privateImageBtn imageBtn2;
 @Override
 protectedvoidonCreate(Bundle savedInstanceState) {
 // TODO Auto-generated method stub
 super.onCreate(savedInstanceState);
 setContentView(R.layout.identifybutton);
 
 imageBtn1=(ImageBtn)this.findViewById(R.id.btn_right);
 imageBtn2=(ImageBtn)this.findViewById(R.id.btn_error);
 imageBtn1.setTextViewText("确定");
 imageBtn2.setTextViewText("取消");
 imageBtn1.setImageResource(R.drawable.right_icon);
 imageBtn2.setImageResource(R.drawable.error_icon);
 
 imageBtn1.setOnClickListener(newView.OnClickListener() {
 
 publicvoidonClick(View v) {
 // TODO Auto-generated method stub
 Toast.makeText(getApplicationContext(),"点击的正确按钮",1).show();
 }
 });
 
 imageBtn2.setOnClickListener(newView.OnClickListener() {
 
 publicvoidonClick(View v) {
 // TODO Auto-generated method stub
 Toast.makeText(getApplicationContext(),"点击的错误按钮",1).show();
 }
 });
 }
 }