Question

每个人都很开心。对于我正在进行的项目，我没有非常微不足道的任务。该项目的主要部分是网站。任务是允许用户选择在Android设备上的任何浏览器中打开的网站上的文本，并允许用户将其分享给安装在设备上的其他应用程序。如Skype，Viber或任何其他。问题是我拥有的设备上没有任何app，也不应该。浏览器可以是任何。是否会提出任何建议。提前致谢

Answer 1

您必须监控剪贴板更改。因此，无论何时用户从任何来源复制文本，您都可以收听它。

您必须创建服务并收听剪贴板更改。

创建服务：

public class ClipboardMonitorService extends Service {
    private static final String TAG = "ClipboardManager";
    private static final String FILENAME = "clipboard-history.txt";

    private File mHistoryFile;
    private ExecutorService mThreadPool = Executors.newSingleThreadExecutor();
    private ClipboardManager mClipboardManager;

    @Override
    public void onCreate() {
        super.onCreate();

        // TODO: Show an ongoing notification when this service is running.
        mHistoryFile = new File(getExternalFilesDir(null), FILENAME);
        mClipboardManager =
                (ClipboardManager) getSystemService(CLIPBOARD_SERVICE);
        mClipboardManager.addPrimaryClipChangedListener(
                mOnPrimaryClipChangedListener);
    }

    @Override
    public void onDestroy() {
        super.onDestroy();

        if (mClipboardManager != null) {
            mClipboardManager.removePrimaryClipChangedListener(
                    mOnPrimaryClipChangedListener);
        }
    }

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    private boolean isExternalStorageWritable() {
        String state = Environment.getExternalStorageState();
        if (Environment.MEDIA_MOUNTED.equals(state)) {
            return true;
        }
        return false;
    }

    private ClipboardManager.OnPrimaryClipChangedListener mOnPrimaryClipChangedListener =
            new ClipboardManager.OnPrimaryClipChangedListener() {
        @Override
        public void onPrimaryClipChanged() {
            Log.d(TAG, "onPrimaryClipChanged");
            ClipData clip = mClipboardManager.getPrimaryClip();
            mThreadPool.execute(new WriteHistoryRunnable(
                    clip.getItemAt(0).getText()));
        }
    };

    private class WriteHistoryRunnable implements Runnable {
        private final Date mNow;
        private final CharSequence mTextToWrite;

        public WriteHistoryRunnable(CharSequence text) {
            mNow = new Date(System.currentTimeMillis());
            mTextToWrite = text;
        }

        @Override
        public void run() {
            if (TextUtils.isEmpty(mTextToWrite)) {
                // Don't write empty text to the file
                return;
            }

            if (isExternalStorageWritable()) {
                try {
                    Log.i(TAG, "Writing new clip to history:");
                    Log.i(TAG, mTextToWrite.toString());
                    BufferedWriter writer =
                            new BufferedWriter(new FileWriter(mHistoryFile, true));
                    writer.write(String.format("[%s]: ", mNow.toString()));
                    writer.write(mTextToWrite.toString());
                    writer.newLine();
                    writer.close();
                } catch (IOException e) {
                    Log.w(TAG, String.format("Failed to open file %s for writing!",
                            mHistoryFile.getAbsoluteFile()));
                }
            } else {
                Log.w(TAG, "External storage is not writable!");
            }
        }
    }
}

将此添加到您的清单：

<service
    android:name=".service.ClipboardMonitorService"
    android:label="Clipboard Monitor"
    android:exported="false"/>

来源：https://github.com/twaddington/Android-Clipboard-Monitor/blob/master/src/com/example/clipboardmonitor/service/ClipboardMonitorService.java

将浏览器中的选定文本共享到设备上安装的应用

1 个答案: