4.5.1 Intent的基本使用

tent = new Intent(Intent.ACTION_VIEW, uri);startActivity(intent);//===============================================================//7.路径规划// 路径规划：从北京某地（北纬39.9，东经116.3）到上海某地（北纬31.2，东经121.4）Uri uri = Uri.parse("http://maps.google.com/maps?f=d&saddr=39.9 116.3&daddr=31.2 121.4");Intent intent = new Intent(Intent.ACTION_VIEW, uri);startActivity(intent);//===============================================================//8.多媒体播放:Intent intent = new Intent(Intent.ACTION_VIEW);Uri uri = Uri.parse("file:///sdcard/foo.mp3");intent.setDataAndType(uri, "audio/mp3");startActivity(intent);//获取SD卡下所有音频文件,然后播放第一首=-= Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, "1");Intent intent = new Intent(Intent.ACTION_VIEW, uri);startActivity(intent);//===============================================================//9.打开摄像头拍照:// 打开拍照程序Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(intent, 0);// 取出照片数据Bundle extras = intent.getExtras(); Bitmap bitmap = (Bitmap) extras.get("data");//另一种://调用系统相机应用程序，并存储拍下来的照片Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); time = Calendar.getInstance().getTimeInMillis();intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory().getAbsolutePath()+"/tucue", time + ".jpg")));startActivityForResult(intent, ACTIVITY_GET_CAMERA_IMAGE);//===============================================================//10.获取并剪切图片// 获取并剪切图片Intent intent = new Intent(Intent.ACTION_GET_CONTENT);intent.setType("image/*");intent.putExtra("crop", "true"); // 开启剪切intent.putExtra("aspectX", 1); // 剪切的宽高比为1：2intent.putExtra("aspectY", 2);intent.putExtra("outputX", 20); // 保存图片的宽和高intent.putExtra("outputY", 40); intent.putExtra("output", Uri.fromFile(new File("/mnt/sdcard/temp"))); // 保存路径intent.putExtra("outputFormat", "JPEG");// 返回格式startActivityForResult(intent, 0);// 剪切特定图片Intent intent = new Intent("com.android.camera.action.CROP"); intent.setClassName("com.android.camera", "com.android.camera.CropImage"); intent.setData(Uri.fromFile(new File("/mnt/sdcard/temp"))); intent.putExtra("outputX", 1); // 剪切的宽高比为1：2intent.putExtra("outputY", 2);intent.putExtra("aspectX", 20); // 保存图片的宽和高intent.putExtra("aspectY", 40);intent.putExtra("scale", true);intent.putExtra("noFaceDetection", true); intent.putExtra("output", Uri.parse("file:///mnt/sdcard/temp")); startActivityForResult(intent, 0);//===============================================================//11.打开Google Market // 打开Google Market直接进入该程序的详细页面Uri uri = Uri.parse("market://details?id=" + "com.demo.app");Intent intent = new Intent(Intent.ACTION_VIEW, uri);startActivity(intent);//===============================================================//12.进入手机设置界面:// 进入无线网络设置界面（其它可以举一反三）  Intent intent = new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS);  startActivityForResult(intent, 0);//===============================================================//13.安装apk:Uri installUri = Uri.fromParts("package", "xxx", null); returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);//===============================================================//14.卸载apk:Uri uri = Uri.fromParts("package", strPackageName, null); Intent it = new Intent(Intent.ACTION_DELETE, uri); startActivity(it); //===============================================================//15.发送附件:Intent it = new Intent(Intent.ACTION_SEND); it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text"); it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/eoe.mp3"); sendIntent.setType("audio/mp3"); startActivity(Intent.createChooser(it, "Choose Email Client"));//===============================================================//16.进入联系人页面:Intent intent = new Intent();intent.setAction(Intent.ACTION_VIEW);intent.setData(People.CONTENT_URI);startActivity(intent);//===============================================================//17.查看指定联系人:Uri personUri = ContentUris.withAppendedId(People.CONTENT_URI, info.id);//info.id联系人IDIntent intent = new Intent();intent.setAction(Intent.ACTION_VIEW);intent.setData(personUri);startActivity(intent);//===============================================================//18.调用系统编辑添加联系人（高版本SDK有效）：Intent it = newIntent(Intent.ACTION_INSERT_OR_EDIT); it.setType("vnd.android.cursor.item/contact"); //it.setType(Contacts.CONTENT_ITEM_TYPE); it.putExtra("name","myName"); it.putExtra(android.provider.Contacts.Intents.Insert.COMPANY, "organization"); it.putExtra(android.provider.Contacts.Intents.Insert.EMAIL,"email"); it.putExtra(android.provider.Contacts.Intents.Insert.PHONE,"homePhone"); it.putExtra(android.provider.Contacts.Intents.Insert.SECONDARY_PHONE,"mobilePhone"); it.putExtra( android.provi