利用ClipboardManager实现复制和粘贴

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>

<Button
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="点击后复制"
android:layout_centerHorizontal="true"
android:layout_marginTop="100dip"
/>

<TextView
android:id="@+id/textView"
android:layout_width="150dip"
android:layout_height="50dip"
android:layout_centerInParent="true"
android:hint="粘贴的内容"
android:gravity="center"
/>

</RelativeLayout>

package cn.com.testclipboardmanager;
import android.os.Bundle;
import android.text.ClipboardManager;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.app.Activity;
import android.content.Context;
/**
* Demo描述:
* 实现Android的复制,粘贴功能
*/
public class MainActivity extends Activity {
private Button mButton;
private TextView mTextView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
init();
}
private void init(){
mTextView=(TextView) findViewById(R.id.textView);
mTextView.setOnClickListener(new ClickListenerImpl());
mButton=(Button) findViewById(R.id.button);
mButton.setOnClickListener(new ClickListenerImpl());

}

private class ClickListenerImpl implements OnClickListener {
@Override
public void onClick(View v) {
switch (v.getId()) {
//复制
case R.id.button:
ClipboardManager copy = (ClipboardManager) MainActivity.this
.getSystemService(Context.CLIPBOARD_SERVICE);
copy.setText("Come On Baby");
break;
//粘贴
case R.id.textView:
ClipboardManager plaster = (ClipboardManager) MainActivity.this
.getSystemService(Context.CLIPBOARD_SERVICE);
String content=plaster.getText().toString().trim();
mTextView.setText(content);
break;

default:
break;
}
}

}

}