android 控制項onClick事件的4種實現方式

標籤：android   onclick   點擊事件   

1、

<span style="white-space:pre"></span>TextView tv = (TextView) findViewById(R.id.tv);tv.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stub//do something...}});

2、

<span style="white-space:pre"></span>TextView tv = (TextView) findViewById(R.id.tv);OnClickListener mOnClickListener = new OnClickListener() {@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stub//do something...}};tv.setOnClickListener(mOnClickListener);

3、

package com.yqy.yqy_click;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.TextView;public class MainActivity extends Activity implements OnClickListener {@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);TextView tv = (TextView) findViewById(R.id.tv);tv.setOnClickListener(this);}@Overridepublic void onClick(View view) {// TODO Auto-generated method stubswitch (view.getId()) {case R.id.tv://do something...break;default:break;}}}

4、

<!-- android:clickable="true" 設定可點擊許可權 （ Button,ImageButton,等本身具有點擊的事件的控制項不用設定 ）-->    <TextView        android:id="@+id/tv"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:onClick="onClick"        android:clickable="true"        android:text="@string/hello_world" />

<span style="white-space:pre"></span>public void onClick(View view){//do something...}

android 控制項onClick事件的4種實現方式