本文实例详述了Android剪贴板的用法,分享给大家供大家参考。具体方法分析如下:
这里首先需要注意的一点,就是在使用Android剪贴板的时候大家只记住一点就行了,不管是安卓设备还是PC机,复制粘贴在同一时间里只能用于一个对象上,整通俗点就是:PC机上,不可能同时从C盘复制,又从D盘复制就行了,具体的看代码,很简单,直接上代码:
package com.xiaoma.clipboard.demo; import android.app.Activity; import android.content.ClipData; import android.content.ClipData.Item; import android.content.ClipDescription; import android.content.ClipboardManager; import android.content.ContentResolver; import android.content.Intent; import android.database.Cursor; import android.net.Uri; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; /** * @Title: ClipBoardDemoActivity.java * @Package com.xiaoma.clipboard.demo * @Description: 剪贴板学习 * @author MZH */ public class ClipBoardDemoActivity extends Activity implements OnClickListener{ private Button put = null; private Button get = null; private ClipboardManager clipboard = null; private static final String CONTACTS = "content://com.example.contacts"; private String COPY_PATH = "/copy"; public static final String MIME_TYPE_CONTACT = "vnd.android.cursor.item/vnd.xiaoma.contact"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); init(); } /** * 初始化方法实现 */ private void init(){ put = (Button)findViewById(R.id.button1); put.setOnClickListener(this); get = (Button)findViewById(R.id.button2); get.setOnClickListener(this); } /** * 监听实现 */ @Override public void onClick(View v) { switch (v.getId()) { case R.id.button1: put(); break; case R.id.button2: get(); break; default: break; } } /** * 往Clip中放入数据 */ private void put(){ /** * 往ClipboardManager中可放的数据类型有三种: * 因为大家都知道,就算是电脑,Ctrl+c也不可能在同一时间里即 * 从C盘剪贴,又从D般剪贴,所以小马只写一种简单的信息进去, * 另外两种写在注释中 //类型一:text clipboard = (ClipboardManager)getSystemService(CLIPBOARD_SERVICE); ClipData textCd = ClipData.newPlainText("kkk", "WaHouHou!Clip...."); clipboard.setPrimaryClip(textCd); */ /** * //类型二:URI Uri copyUri = Uri.parse(CONTACTS + COPY_PATH + "/" + "XiaoMa"); ClipData clipUri = ClipData.newUri(getContentResolver(),"URI",copyUri); clipboard.setPrimaryClip(clipUri); * */ //类型三:Intent //试下在Intent剪贴时使用Bundle传值进去 clipboard = (ClipboardManager)getSystemService(CLIPBOARD_SERVICE); Intent appIntent = new Intent(); Bundle bundle = new Bundle(); bundle.putInt("xiaoma", 3344258); bundle.putInt("yatou", 3344179); appIntent.putExtra("XiaoMaGuo", bundle); appIntent.setClass(ClipBoardDemoActivity.this, ReceiverClip.class); ClipData clipIntent = ClipData.newIntent("Intent",appIntent); clipboard.setPrimaryClip(clipIntent); } /** * 从Clip中取数据 */ private void get(){ clipboard = (ClipboardManager)getSystemService(CLIPBOARD_SERVICE); Item item = null; //无数据时直接返回 if(!clipboard.hasPrimaryClip()){ Toast.makeText(getApplicationContext(), "剪贴板中无数据", Toast.LENGTH_SHORT).show(); return ; } //如果是文本信息 if (clipboard.getPrimaryClipDescription().hasMimeType( ClipDescription.MIMETYPE_TEXT_PLAIN)) { ClipData cdText = clipboard.getPrimaryClip(); item = cdText.getItemAt(0); //此处是TEXT文本信息 if(item.getText() == null){ Toast.makeText(getApplicationContext(), "剪贴板中无内容", Toast.LENGTH_SHORT).show(); return ; }else{ Toast.makeText(getApplicationContext(), item.getText(), Toast.LENGTH_SHORT).show(); } //如果是INTENT } else if (clipboard.getPrimaryClipDescription().hasMimeType( ClipDescription.MIMETYPE_TEXT_INTENT)) { //此处是INTENT item = clipboard.getPrimaryClip().getItemAt(0); Intent intent = item.getIntent(); startActivity(intent); //........ //如果是URI } else if (clipboard.getPrimaryClipDescription().hasMimeType( ClipDescription.MIMETYPE_TEXT_URILIST)) { //此处是URI内容www.cainiaojc.com ContentResolver cr = getContentResolver(); ClipData cdUri = clipboard.getPrimaryClip(); item = cdUri.getItemAt(0); Uri uri = item.getUri(); if(uri != null){ String mimeType = cr.getType(uri); if (mimeType != null) { if (mimeType.equals(MIME_TYPE_CONTACT)) { Cursor pasteCursor = cr.query(uri, null, null, null, null); if (pasteCursor != null) { if (pasteCursor.moveToFirst()) { //此处对数据进行操作就可以了,前提是有权限 } } pasteCursor.close(); } } } } } }
下面是用来接收Intent传递的值,临时的一个Activity,代码更简单:
package com.xiaoma.clipboard.demo; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.TextureView; import android.widget.TextView; /** * @Title: ReceiverClip.java * @Package com.xiaoma.clipboard.demo * @Description:临时用来接收下从Clip传过来的Intent值 * @author MZH */ public class ReceiverClip extends Activity { private TextView tv1 ; private TextView tv2 ; @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.main2); init(); } private void init(){ tv1 = (TextView)findViewById(R.id.xiaoma); tv2 = (TextView)findViewById(R.id.yatou); Intent intent = getIntent(); Bundle b =intent.getBundleExtra("XiaoMaGuo"); if(b != null){ int xiaoma = b.getInt("xiaoma"); int yatou = b.getInt("yatou"); if(!"".equals(String.valueOf(xiaoma)) && !"".equals(String.valueOf(yatou))){ tv1.setText(String.valueOf(xiaoma)); tv2.setText(String.valueOf(yatou)); } } } }
全局配置文件里面没什么,如下:
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="" package="com.xiaoma.clipboard.demo" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="14" /> <application android:icon="@drawable/guoguo" android:label="@string/app_name" > <activity android:name=".ClipBoardDemoActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".ReceiverClip"></activity> </application> </manifest>
希望本文所述对大家的Android程序设计有所帮助。