安卓官方API DEMO之剪贴板Clipboard

/** * Android系统剪贴板功能DEMO *  * @description： * @author ldm * @date 2016-5-16 下午3:15:47 */public class ClipboardSample extends Activity {    // 系统剪贴板管理器    ClipboardManager mClipboard;    // 下拉列表    Spinner mSpinner;    TextView mMimeTypes;    TextView mDataText;    CharSequence mStyledText;    String mPlainText;    String mHtmlText;    String mHtmlPlainText;    TextView tv;    // 剪切板内容变化的监听器    ClipboardManager.OnPrimaryClipChangedListener mPrimaryChangeListener = new ClipboardManager.OnPrimaryClipChangedListener() {        public void onPrimaryClipChanged() {            updateClipData(true);        }    };    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.clipboard);        // 系统剪贴板管理器        mClipboard = (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);        mStyledText = getText(R.string.styled_text);        // 初始化界面UI        initViews();        // 设置数据及控件监听        initDataAndEvents();    }    private void initDataAndEvents() {        // <string-array name="clip_data_types">        // <item>No data in clipboard</item>        // <item>Text clip</item>        // <item>HTML Text clip</item>        // <item>Intent clip</item>        // <item>Uri clip</item>        // <item>Coerce to text</item>        // <item>Coerce to styled text</item>        // <item>Coerce to HTML text</item>        // </string-array>        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(                this, R.array.clip_data_types,                android.R.layout.simple_spinner_item);        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);        mSpinner.setAdapter(adapter);        // Spinner下拉框Item点击事件处理        mSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {            public void onItemSelected(AdapterView<?> parent, View view,                    int position, long id) {                updateClipData(false);            }            public void onNothingSelected(AdapterView<?> parent) {            }        });        mClipboard.addPrimaryClipChangedListener(mPrimaryChangeListener);        updateClipData(true);    }    private void initViews() {        tv = (TextView) findViewById(R.id.styled_text);        tv.setText(mStyledText);        mPlainText = mStyledText.toString();        tv = (TextView) findViewById(R.id.plain_text);        tv.setText(mPlainText);        mHtmlText = "<b>Link:</b> <a href=\"http://www.android.com\">Android</a>";        mHtmlPlainText = "Link: http://www.android.com";        tv = (TextView) findViewById(R.id.html_text);        tv.setText(mHtmlText);        mSpinner = (Spinner) findViewById(R.id.clip_type);        mMimeTypes = (TextView) findViewById(R.id.clip_mime_types);        mDataText = (TextView) findViewById(R.id.clip_text);    }    @Override    protected void onDestroy() {        super.onDestroy();        mClipboard.removePrimaryClipChangedListener(mPrimaryChangeListener);    }    public void pasteStyledText(View button) {        mClipboard.setPrimaryClip(ClipData.newPlainText("Styled Text",                mStyledText));    }    public void pastePlainText(View button) {        mClipboard.setPrimaryClip(ClipData.newPlainText("Styled Text",                mPlainText));    }    public void pasteHtmlText(View button) {        mClipboard.setPrimaryClip(ClipData.newHtmlText("HTML Text",                mHtmlPlainText, mHtmlText));    }    public void pasteIntent(View button) {        Intent intent = new Intent(Intent.ACTION_VIEW,                Uri.parse("http://www.android.com/"));        mClipboard.setPrimaryClip(ClipData.newIntent("VIEW intent", intent));    }    public void pasteUri(View button) {        mClipboard.setPrimaryClip(ClipData.newRawUri("URI",                Uri.parse("http://www.android.com/")));    }    /**     * 更新剪贴板操作     * */    void updateClipData(boolean updateType) {        // 获取剪切板的ClipData数据对象        ClipData clip = mClipboard.getPrimaryClip();        // 获取到数据的类型        String[] mimeTypes = clip != null ? clip.getDescription()                .filterMimeTypes("*/*") : null;        if (mimeTypes != null) {            mMimeTypes.setText("");            for (int i = 0; i < mimeTypes.length; i++) {                if (i > 0) {                    mMimeTypes.append("\n");                }                mMimeTypes.append(mimeTypes[i]);            }        } else {            mMimeTypes.setText("NULL");        }        // 根据类型来确定Spinner显示的文字        if (updateType) {            if (clip != null) {                ClipData.Item item = clip.getItemAt(0);                if (item.getHtmlText() != null) {                    mSpinner.setSelection(2);                } else if (item.getText() != null) {                    mSpinner.setSelection(1);                } else if (item.getIntent() != null) {                    mSpinner.setSelection(3);                } else if (item.getUri() != null) {                    mSpinner.setSelection(4);                } else {                    mSpinner.setSelection(0);                }            } else {                mSpinner.setSelection(0);            }        }        if (clip != null) {            // 获取剪贴板中的数据            ClipData.Item item = clip.getItemAt(0);            switch (mSpinner.getSelectedItemPosition()) {            case 0:                mDataText.setText("(No data)");                break;            case 1:                mDataText.setText(item.getText());                break;            case 2:                mDataText.setText(item.getHtmlText());                break;            case 3:                // 因没有intent类型数据，会报null                mDataText.setText(item.getIntent().toUri(0));                break;            case 4:                // 因没有Uri类型数据，会报null                mDataText.setText(item.getUri().toString());                break;            case 5:                // 剪贴板中的非text数据可以通过ClipData.Item.coerceToText()方法转换为text处理。                mDataText.setText(item.coerceToText(this));                break;            case 6:                mDataText.setText(item.coerceToStyledText(this));                break;            case 7:                // 转换为Hteml格式                mDataText.setText(item.coerceToHtmlText(this));                break;            default:                mDataText.setText("Unknown option: "                        + mSpinner.getSelectedItemPosition());                break;            }        } else {            mDataText.setText("(NULL clip)");        }        // 设置文字监听        mDataText.setMovementMethod(LinkMovementMethod.getInstance());    }}

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布局文件：

<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >    <LinearLayout        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:orientation="vertical" >        <LinearLayout            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:orientation="horizontal" >            <Button                android:id="@+id/copy_styled_text"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:onClick="pasteStyledText"                android:text="@string/copy_text" />            <TextView                android:id="@+id/styled_text"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:textStyle="normal" />        </LinearLayout>        <LinearLayout            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:orientation="horizontal" >            <Button                android:id="@+id/copy_plain_text"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:onClick="pastePlainText"                android:text="@string/copy_text" />            <TextView                android:id="@+id/plain_text"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:textStyle="normal" />        </LinearLayout>        <LinearLayout            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:orientation="horizontal" >            <Button                android:id="@+id/copy_html_text"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:onClick="pasteHtmlText"                android:text="@string/copy_text" />            <TextView                android:id="@+id/html_text"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:textStyle="normal" />        </LinearLayout>        <LinearLayout            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:orientation="horizontal" >            <Button                android:id="@+id/copy_intent"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:onClick="pasteIntent"                android:text="@string/copy_intent" />            <Button                android:id="@+id/copy_uri"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:onClick="pasteUri"                android:text="@string/copy_uri" />        </LinearLayout>        <LinearLayout            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:layout_marginTop="8dp"            android:orientation="horizontal" >            <TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:text="Data type: "                android:textAppearance="?android:attr/textAppearanceMedium" />            <Spinner                android:id="@+id/clip_type"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:drawSelectorOnTop="true"                android:prompt="@string/clip_type_prompt" />        </LinearLayout>        <LinearLayout            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:layout_marginTop="4dp"            android:orientation="horizontal" ><TextView                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:textAppearance="?android:attr/textAppearanceMedium"                android:text="MIME types: " />            <TextView                android:id="@+id/clip_mime_types"                android:layout_width="0dp"                android:layout_weight="1"                android:layout_height="wrap_content"                android:background="#ff303030"                android:padding="4dp"                android:textAppearance="?android:attr/textAppearanceMedium"                />            </LinearLayout>        <TextView            android:layout_width="wrap_content"            android:layout_height="wrap_content"            android:layout_marginTop="4dp"            android:textAppearance="?android:attr/textAppearanceMedium"            android:text="Data content:" />        <TextView            android:id="@+id/clip_text"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:background="#ff303030"            android:padding="4dp"            android:textAppearance="?android:attr/textAppearanceMedium"            />    </LinearLayout></ScrollView>

开源代码：https://github.com/ldm520/ANDROID_API_DEMOS