android复制粘切的实现

main.xml如下:

    <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>  

MainActivity如下:

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;              }          }        }        }