BluetoothOppLauncherActivity.java /* * Copyright (c) 2008-2009, Motorola, Inc. * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * - Neither the name of the Motorola, Inc. nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ package com.android.bluetooth.opp; import com.android.bluetooth.R; import java.io.File; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.util.ArrayList; import android.app.Activity; import android.bluetooth.BluetoothDevicePicker; import android.content.Intent; import android.content.Context; import android.net.Uri; import android.os.Bundle; import android.util.Log; import android.provider.Settings; /** * This class is designed to act as the entry point of handling the share intent * via BT from other APPs. and also make "Bluetooth" available in sharing method * selection dialog. */ public class BluetoothOppLauncherActivity extends Activity { private static final String TAG = "BluetoothLauncherActivity"; private static final boolean D = Constants.DEBUG; private static final boolean V = Constants.VERBOSE; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Intent intent = getIntent(); String action = intent.getAction(); if (action.equals(Intent.ACTION_SEND) || action.equals(Intent.ACTION_SEND_MULTIPLE)) { /* * Other application is trying to share a file via Bluetooth, * probably Pictures, videos, or vCards. The Intent should contain * an EXTRA_STREAM with the data to attach. */ if (action.equals(Intent.ACTION_SEND)) { // TODO: handle type == null case String type = intent.getType(); Uri stream = (Uri)intent.getParcelableExtra(Intent.EXTRA_STREAM); CharSequence extra_text = intent.getCharSequenceExtra(Intent.EXTRA_TEXT); // If we get ACTION_SEND intent with EXTRA_STREAM, we'll use the // uri data; // If we get ACTION_SEND intent without EXTRA_STREAM, but with // EXTRA_TEXT, we will try send this TEXT out; Currently in // Browser, share one link goes to this case; if (stream != null && type != null) { if (V) Log.v(TAG, "Get ACTION_SEND intent: Uri = " + stream + "; mimetype = " + type); // Save type/stream, will be used when adding transfer // session to DB. BluetoothOppManager.getInstance(this).saveSendingFileInfo(type, stream.toString()); } else if (extra_text != null && type != null) { if (V) Log.v(TAG, "Get ACTION_SEND intent with Extra_text = " + extra_text.toString() + "; mimetype = " + type); Uri fileUri = creatFileForSharedContent(this, extra_text); if (fileUri != null) { BluetoothOppManager.getInstance(this).saveSendingFileInfo(type, fileUri.toString()); } } else { Log.e(TAG, "type is null; or sending file URI is null"); finish(); return; } } else if (action.equals(Intent.ACTION_SEND_MULTIPLE)) { ArrayList<Uri> uris = new ArrayList<Uri>(); String mimeType = intent.getType(); uris = intent.getParcelableArrayListExtra(Intent.EXTRA_STREAM); if (mimeType != null && uris != null) { if (V) Log.v(TAG, "Get ACTION_SHARE_MULTIPLE intent: uris " + uris + "\n Type= " + mimeType); BluetoothOppManager.getInstance(this).saveSendingFileInfo(mimeType, uris); } else { Log.e(TAG, "type is null; or sending files URIs are null"); finish(); return; } } if (isAirplaneModeOn()) { Intent in = new Intent(this, BluetoothOppBtErrorActivity.class); in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); in.putExtra("title", this.getString(R.string.airplane_error_title)); in.putExtra("content", this.getString(R.string.airplane_error_msg)); this.startActivity(in); finish(); return; } // TODO: In the future, we may send intent to DevicePickerActivity // directly, // and let DevicePickerActivity to handle Bluetooth Enable. if (!BluetoothOppManager.getInstance(this).isEnabled()) { if (V) Log.v(TAG, "Prepare Enable BT!! "); Intent in = new Intent(this, BluetoothOppBtEnableActivity.class); in.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); this.startActivity(in); } else { if (V) Log.v(TAG, "BT already enabled!! "); Intent in1 = new Intent(BluetoothDevicePicker.ACTION_LAUNCH); in1.setFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); in1.putExtra(BluetoothDevicePicker.EXTRA_NEED_AUTH, false); in1.putExtra(BluetoothDevicePicker.EXTRA_FILTER_TYPE, BluetoothDevicePicker.FILTER_TYPE_TRANSFER); in1.putExtra(BluetoothDevicePicker.EXTRA_LAUNCH_PACKAGE, Constants.THIS_PACKAGE_NAME); in1.putExtra(BluetoothDevicePicker.EXTRA_LAUNCH_CLASS, BluetoothOppReceiver.class.getName()); this.startActivity(in1); } } else if (action.equals(Constants.ACTION_OPEN)) { Uri uri = getIntent().getData(); if (V) Log.v(TAG, "Get ACTION_OPEN intent: Uri = " + uri); Intent intent1 = new Intent(); intent1.setAction(action); intent1.setClassName(Constants.THIS_PACKAGE_NAME, BluetoothOppReceiver.class.getName()); intent1.setData(uri); this.sendBroadcast(intent1); } finish(); } /* Returns true if airplane mode is currently on */ private final boolean isAirplaneModeOn() { return Settings.System.getInt(this.getContentResolver(), Settings.System.AIRPLANE_MODE_ON, 0) == 1; } private Uri creatFileForSharedContent(Context context, CharSequence shareContent) { if (shareContent == null) { return null; } Uri fileUri = null; FileOutputStream outStream = null; try { String fileName = getString(R.string.bluetooth_share_file_name) + ".html"; context.deleteFile(fileName); String uri = shareContent.toString(); String content = "<html><head><meta http-equiv=\"Content-Type\" content=\"text/html;" + " charset=UTF-8\"/></head><body>" + "<a href=\"" + uri + "\">" + uri + "</a></p>" + "</body></html>"; byte[] byteBuff = content.getBytes(); outStream = context.openFileOutput(fileName, Context.MODE_PRIVATE); if (outStream != null) { outStream.write(byteBuff, 0, byteBuff.length); fileUri = Uri.fromFile(new File(context.getFilesDir(), fileName)); if (fileUri != null) { if (D) Log.d(TAG, "Created one file for shared content: " + fileUri.toString()); } } } catch (FileNotFoundException e) { Log.e(TAG, "FileNotFoundException: " + e.toString()); e.printStackTrace(); } catch (IOException e) { Log.e(TAG, "IOException: " + e.toString()); } catch (Exception e) { Log.e(TAG, "Exception: " + e.toString()); } finally { try { if (outStream != null) { outStream.close(); } } catch (IOException e) { e.printStackTrace(); } } return fileUri; } }
转载请注明原文地址: http://bajiewuneng.iteye.com/blog/1915962
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