//使用ACTION_SENDTO而不是ACTION_SEND
Intent intent = new Intent(Intent.ACTION_SENDTO);
//指定URI使用smsto:協(xié)議，協(xié)議后面是接收短信的對象
Uri uri = Uri.parse("smsto:10086");
intent.setData(uri);
//設(shè)置消息體
intent.putExtra("sms_body", "手頭有點緊，借點錢吧~~");

ComponentName componentName = intent.resolveActivity(getPackageManager());
if(componentName != null){
 startActivity(intent);
}

//使用ACTION_SENDTO而不是ACTION_SEND
Intent intent = new Intent(Intent.ACTION_SENDTO);
//指定URI使用mailto:協(xié)議,確保只有郵件應(yīng)用能接收到此intent對象
Uri uri = Uri.parse("mailto:");
intent.setData(uri);
String[] addresses = {"zhangsan@126.com", "lisi@126.com"};
String[] cc = {"boss@126.com"};
String[] bcc = {"girlfriend@126.com"};
String subject = "加班";
String content = "國慶正常上班~~";
//設(shè)置郵件的接收方
intent.putExtra(Intent.EXTRA_EMAIL, addresses);
//設(shè)置郵件的抄送方
intent.putExtra(Intent.EXTRA_CC, cc);
//設(shè)置郵件的密送方
intent.putExtra(Intent.EXTRA_BCC, bcc);
//設(shè)置郵件標(biāo)題
intent.putExtra(Intent.EXTRA_SUBJECT, subject);
//設(shè)置郵件內(nèi)容
intent.putExtra(Intent.EXTRA_TEXT, content);
//設(shè)置郵件附件
//intent.putExtra(Intent.EXTRA_STREAM, Uri.parse(...));
ComponentName componentName = intent.resolveActivity(getPackageManager());
if(componentName != null){
 startActivity(intent);
}

//Intent.ACTION_DIAL只撥號，不打電話
//Intent intent = new Intent(Intent.ACTION_DIAL);
//Intent.ACTION_CALL直接撥打指定電話，需要android.permission.CALL_PHONE權(quán)限
Intent intent = new Intent(Intent.ACTION_CALL);
Uri uri = Uri.parse("tel:10086");
intent.setData(uri);
ComponentName componentName = intent.resolveActivity(getPackageManager());
if(componentName != null){
 startActivity(intent);
}

//表示用于拍照的requestCode
 private final int REQUEST_CODE_IMAGE_CAPTURE = 1;
 //我們存儲照片的輸出路徑，以便后續(xù)使用
 private Uri imageOutputUri = null;

 //拍照
 private void captureImage(){
 PackageManager pm = getPackageManager();

 //先判斷本機(jī)是否在硬件上有攝像能力
 if(pm.hasSystemFeature(PackageManager.FEATURE_CAMERA)){
 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
 ComponentName componentName = intent.resolveActivity(pm);
 //判斷手機(jī)上有無攝像機(jī)應(yīng)用
 if(componentName != null){
 //創(chuàng)建圖片文件，以便于通過Uri.fromFile()生成對應(yīng)的Uri
 File imageFile = createImageFile();
 if(imageFile != null){
  //根據(jù)imageFile生成對應(yīng)的Uri
  imageOutputUri = Uri.fromFile(imageFile);
  //利用該Uri作為拍照完成后照片的存儲路徑，注意，一旦設(shè)置了存儲路徑，我們就不能獲取縮略圖了
  intent.putExtra(MediaStore.EXTRA_OUTPUT, imageOutputUri);
  //調(diào)用startActivityForResult()方法，以便在onActivityResult()方法中進(jìn)行相應(yīng)處理
  startActivityForResult(intent, REQUEST_CODE_IMAGE_CAPTURE);
 }else{
  Toast.makeText(this, "無法創(chuàng)建圖像文件！", Toast.LENGTH_LONG).show();
 }
 }else{
 Toast.makeText(this, "未在本機(jī)找到Camera應(yīng)用，無法拍照！", Toast.LENGTH_LONG).show();
 }
 }else{
 Toast.makeText(this, "本機(jī)沒有攝像頭,無法拍照!", Toast.LENGTH_LONG).show();
 }
 }

 //創(chuàng)建圖片文件，以便于通過Uri.fromFile()生成對應(yīng)的Uri
 private File createImageFile(){
 File image = null;

 //用時間戳拼接文件名稱，防止文件重名
 String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
 String imageFileName = "JPEG_" + timeStamp + "_";
 File storageDir = getExternalFilesDir(Environment.DIRECTORY_PICTURES);

 try{
 image = File.createTempFile(
  imageFileName, //前綴
  ".jpg", //后綴
  storageDir //文件夾
 );
 }catch (IOException e){
 image = null;
 e.printStackTrace();
 Log.e("DemoLog", e.getMessage());
 }

 return image;
 }

 @Override
 protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
 //首先判斷是否正確完成
 if(resultCode == RESULT_OK){
 switch (requestCode){
 case REQUEST_CODE_IMAGE_CAPTURE:
  //此處，我們可以通過imageOutputUri獲取到我們想要的圖片
  String imagePath = imageOutputUri.toString();
  Log.i("DemoLog", "照片路徑是: " + imagePath);
  Toast.makeText(this, "照片路徑是: " + imagePath, Toast.LENGTH_LONG).show();

  //以下代碼嘗試獲取縮略圖
  //如果設(shè)置MediaStore.EXTRA_OUTPUT作為extra的時候，那么此處的intent為null，需要判斷
  if(intent != null){
  Bitmap thumbnail = intent.getParcelableExtra("data");
  //有的手機(jī)并不會給拍照的圖片生成縮略圖，所以此處也要判斷
  if(thumbnail != null){
  Log.i("DemoLog", "得到縮略圖");
  }
  }
 default:
  break;
 }
 }
 }

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
 android:maxSdkVersion="18"></uses-permission>

//表示用于錄視頻的requestCode
 private final int REQUEST_CODE_VIDEO_CAPTURE = 2;

 //我們存儲視頻的輸出路徑，以便后續(xù)使用
 private Uri videoOutputUri = null;

 //攝像
 private void captureVideo(){
 PackageManager pm = getPackageManager();

 //先判斷本機(jī)是否在硬件上有攝像能力
 if(pm.hasSystemFeature(PackageManager.FEATURE_CAMERA)){
 //將intent的action設(shè)置為MediaStore.ACTION_VIDEO_CAPTURE
 Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
 ComponentName componentName = intent.resolveActivity(pm);
 //判斷手機(jī)上有無攝像機(jī)應(yīng)用
 if(componentName != null){
 //創(chuàng)建視頻文件，以便于通過Uri.fromFile()生成對應(yīng)的Uri
 File videoFile = createVideoFile();
 if(videoFile != null){
  //根據(jù)videoFile生成對應(yīng)的Uri
  videoOutputUri = Uri.fromFile(videoFile);
  //利用該Uri作為攝像完成后視頻的存儲路徑
  intent.putExtra(MediaStore.EXTRA_OUTPUT, videoOutputUri);
  //調(diào)用startActivityForResult()方法，以便在onActivityResult()方法中進(jìn)行相應(yīng)處理
  startActivityForResult(intent, REQUEST_CODE_VIDEO_CAPTURE);
 }else{
  Toast.makeText(this, "無法創(chuàng)建視頻文件！", Toast.LENGTH_LONG).show();
 }
 }else{
 Toast.makeText(this, "未在本機(jī)找到Camera應(yīng)用，無法攝像！", Toast.LENGTH_LONG).show();
 }
 }else{
 Toast.makeText(this, "本機(jī)沒有攝像頭,無法攝像!", Toast.LENGTH_LONG).show();
 }
 }

 //創(chuàng)建視頻文件，以便于通過Uri.fromFile()生成對應(yīng)的Uri
 private File createVideoFile(){
 File videoFile = null;

 //用時間戳拼接文件名稱，防止文件重名
 String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
 String imageFileName = "MP4" + timeStamp + "_";
 File storageDir = getExternalFilesDir(Environment.DIRECTORY_MOVIES);

 try{
 videoFile = File.createTempFile(
  imageFileName, //前綴
  ".mp4", //后綴
  storageDir //文件夾
 );
 }catch (IOException e){
 videoFile = null;
 e.printStackTrace();
 Log.e("DemoLog", e.getMessage());
 }

 return videoFile;
 }

 @Override
 protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
 //首先判斷是否正確完成
 if(resultCode == RESULT_OK){
 switch (requestCode){
 case REQUEST_CODE_VIDEO_CAPTURE:
  //如果設(shè)置MediaStore.EXTRA_OUTPUT作為extra的時候，
  //在有的手機(jī)上，此處的intent為不為null，但是在有的手機(jī)上卻為null，
  //所以不建議從intent.getData()中獲取視頻路徑
  //我們應(yīng)該自己記錄videoOutputUri來得知視頻路徑，下面注釋的代碼不建議使用
  /*if(intent != null){
  Uri videoUri = intent.getData();
  if(videoUri != null){
  //路徑格式如content://media/external/video/media/130025
  Log.i("DemoLog", "視頻路徑是: " + videoUri.toString());
  }
  }*/

  String videoPath = videoOutputUri.toString();
  //1.如果沒有設(shè)置MediaStore.EXTRA_OUTPUT作為視頻文件存儲路徑，那么路徑格式如下所示:
  // 路徑格式如content://media/external/video/media/130025
  //2.如果設(shè)置了MediaStore.EXTRA_OUTPUT作為視頻文件存儲路徑，那么路徑格式如下所示:
  // 路徑格式如file:///storage/sdcard0/Android/data/com.ispring.commonintents/files/Movies/MP420150919_184132_533002075.mp4
  Log.i("DemoLog", "視頻路徑是: " + videoPath);
  Toast.makeText(this, "視頻路徑是: " + videoPath, Toast.LENGTH_LONG).show();
  break;
 default:
  break;
 }
 }
 }