TA的每日心情 | 开心 2021-12-13 21:45 |
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签到天数: 15 天 [LV.4]偶尔看看III
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android button控件目前主要有如下几种监听方式:
一个button控件对应一个监听:- Button buttontest;
- buttontest = (Button) findViewById(R.id.button1);
- buttontest.setOnClickListener(new View.OnClickListener() {
-
- @Override
- public void onClick(View v) {
- // TODO Auto-generated method stub
- Log.i("TEST", "button onClick");
- }
- });
复制代码 多个button对应一个监听1:- start = (Button) findViewById(R.id.button1);
- stop = (Button) findViewById(R.id.button2);
- start.setOnClickListener(mylistener );
- stop.setOnClickListener(mylistener );
- View.OnClickListener mylistener = new View.OnClickListener() {
-
- @Override
- public void onClick(View v) {
- switch (v.getId()) {
- case R.id.button1:
- Log.d(TAG, "Start to recorder video\n");
- start_recorde();
- break;
- case R.id.button2:
- Log.d(TAG, "Stop to recorder video\n");
- stop_recorde();
- break;
- default:
- break;
- }
- }
- };
复制代码 多个button对应一个监听2:- public class MainActivity extends Activity implements View.OnClickListener{
- //界面元素
- private Button start;
- private Button stop;
-
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
-
- start = (Button) findViewById(R.id.button1);
- stop = (Button) findViewById(R.id.button2);
- start.setOnClickListener(this);
- stop.setOnClickListener(this);
- }
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- getMenuInflater().inflate(R.menu.activity_main, menu);
- return true;
- }
- @Override
- public void onClick(View v) {
- switch (v.getId()) {
- case R.id.button1:
- Log.d(TAG, "Start to recorder video\n");
- break;
- case R.id.button2:
- Log.d(TAG, "Stop to recorder video\n");
- break;
- default:
- break;
- }
- }
-
- }
复制代码 xml中绑定监听:- <Button
- android:id="@+id/button1"
- android:layout_height="wrap_content"
- android:layout_width="wrap_content"
- android:onClick="mybuttonlistener">
- </Button>
复制代码 对应java代码如下:- Button btn = (Button) findViewById(R.id.button1);
- public void mybuttonlistener(View target){
- //do something5
- }
复制代码 从个人角度来讲,不推荐使用第四种实现方式。
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