Android Intent 用法全面总结及实例代码
1.调用拨号程序
//给移动客服10086拨打电话 Uriuri=Uri.parse("tel:10086"); Intentintent=newIntent(Intent.ACTION_DIAL,uri); startActivity(intent);
2.发送短信或彩信
//给10086发送内容为“Hello”的短信 Uriuri=Uri.parse("smsto:10086"); Intentintent=newIntent(Intent.ACTION_SENDTO,uri); intent.putExtra("sms_body","Hello"); startActivity(intent); //发送彩信(相当于发送带附件的短信) Intentintent=newIntent(Intent.ACTION_SEND); intent.putExtra("sms_body","Hello"); Uriuri=Uri.parse("content://media/external/images/media/23"); intent.putExtra(Intent.EXTRA_STREAM,uri); intent.setType("image/png"); startActivity(intent);
3.通过浏览器打开网页
//打开Google主页 Uriuri=Uri.parse("http://www.google.com"); Intentintent=newIntent(Intent.ACTION_VIEW,uri); startActivity(intent);
4.发送电子邮件
//给someone@domain.com发邮件 Uriuri=Uri.parse("mailto:someone@domain.com"); Intentintent=newIntent(Intent.ACTION_SENDTO,uri); startActivity(intent); //给someone@domain.com发邮件发送内容为“Hello”的邮件 Intentintent=newIntent(Intent.ACTION_SEND); intent.putExtra(Intent.EXTRA_EMAIL,"someone@domain.com"); intent.putExtra(Intent.EXTRA_SUBJECT,"Subject"); intent.putExtra(Intent.EXTRA_TEXT,"Hello"); intent.setType("text/plain"); startActivity(intent); //给多人发邮件 Intentintent=newIntent(Intent.ACTION_SEND); String[]tos={"1@abc.com","2@abc.com"};//收件人 String[]ccs={"3@abc.com","4@abc.com"};//抄送 String[]bccs={"5@abc.com","6@abc.com"};//密送 intent.putExtra(Intent.EXTRA_EMAIL,tos); intent.putExtra(Intent.EXTRA_CC,ccs); intent.putExtra(Intent.EXTRA_BCC,bccs); intent.putExtra(Intent.EXTRA_SUBJECT,"Subject"); intent.putExtra(Intent.EXTRA_TEXT,"Hello"); intent.setType("message/rfc822"); startActivity(intent);
5.显示地图与路径规划
//打开Google地图中国北京位置(北纬39.9,东经116.3) Uriuri=Uri.parse("geo:39.9,116.3"); Intentintent=newIntent(Intent.ACTION_VIEW,uri); startActivity(intent); //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) Uriuri=Uri.parse("http://maps.google.com/maps?f=d&saddr=39.9116.3&daddr=31.2121.4"); Intentintent=newIntent(Intent.ACTION_VIEW,uri); startActivity(intent);
6.播放多媒体
Intentintent=newIntent(Intent.ACTION_VIEW); Uriuri=Uri.parse("file:///sdcard/foo.mp3"); intent.setDataAndType(uri,"audio/mp3"); startActivity(intent); Uriuri=Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI,"1"); Intentintent=newIntent(Intent.ACTION_VIEW,uri); startActivity(intent);
7.拍照
//打开拍照程序 Intentintent=newIntent(MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(intent,0); //取出照片数据 Bundleextras=intent.getExtras(); Bitmapbitmap=(Bitmap)extras.get("data");
8.获取并剪切图片
//获取并剪切图片 Intentintent=newIntent(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1:2 intent.putExtra("aspectY",2); intent.putExtra("outputX",20);//保存图片的宽和高 intent.putExtra("outputY",40); intent.putExtra("output",Uri.fromFile(newFile("/mnt/sdcard/temp")));//保存路径 intent.putExtra("outputFormat","JPEG");//返回格式 startActivityForResult(intent,0); //剪切特定图片 Intentintent=newIntent("com.android.camera.action.CROP"); intent.setClassName("com.android.camera","com.android.camera.CropImage"); intent.setData(Uri.fromFile(newFile("/mnt/sdcard/temp"))); intent.putExtra("outputX",1);//剪切的宽高比为1:2 intent.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);
9.打开GoogleMarket
//打开GoogleMarket直接进入该程序的详细页面 Uriuri=Uri.parse("market://details?id="+"com.demo.app"); Intentintent=newIntent(Intent.ACTION_VIEW,uri); startActivity(intent);
10.安装和卸载程序
Uriuri=Uri.fromParts("package","com.demo.app",null); Intentintent=newIntent(Intent.ACTION_DELETE,uri); startActivity(intent);
11.进入设置界面
//进入无线网络设置界面(其它可以举一反三) Intentintent=newIntent(android.provider.Settings.ACTION_WIRELESS_SETTINGS); startActivityForResult(intent,0);
以上就是对AndroidIntent的资料整理,后续继续补充相关资料,谢谢大家对本站的支持!