Android Intent 用法全面总结

代码] 调用拨号程序
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1 // 给移动客服10086拨打电话
2 Uri uri = Uri.parse("tel:10086");
3 Intent intent = new Intent(Intent.ACTION_DIAL, uri);
4 startActivity(intent);

[代码] 发送短信或彩信

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01 // 给10086发送内容为“Hello”的短信
02 Uri uri = Uri.parse("smsto:10086");
03 Intent intent = new Intent(Intent.ACTION_SENDTO, uri);
04 intent.putExtra("sms_body", "Hello");
05 startActivity(intent);
06 // 发送彩信（相当于发送带附件的短信）
07 Intent intent = new Intent(Intent.ACTION_SEND);
08 intent.putExtra("sms_body", "Hello");
09 Uri uri = Uri.parse("content://media/external/images/media/23");
10 intent.putExtra(Intent.EXTRA_STREAM, uri);
11 intent.setType("image/png");
12 startActivity(intent);

[代码] 通过浏览器打开网页

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1 // 打开Google主页
2 Uri uri = Uri.parse("http://www.google.com");
3 Intent intent = new Intent(Intent.ACTION_VIEW, uri);
4 startActivity(intent);

[代码] 发送电子邮件

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01 // 给someone@domain.com发邮件
02 Uri uri = Uri.parse("mailto:someone@domain.com");
03 Intent intent = new Intent(Intent.ACTION_SENDTO, uri);
04 startActivity(intent);
05 // 给someone@domain.com发邮件发送内容为“Hello”的邮件
06 Intent intent = new Intent(Intent.ACTION_SEND);
07 intent.putExtra(Intent.EXTRA_EMAIL, "someone@domain.com");
08 intent.putExtra(Intent.EXTRA_SUBJECT, "Subject");
09 intent.putExtra(Intent.EXTRA_TEXT, "Hello");
10 intent.setType("text/plain");
11 startActivity(intent);
12 // 给多人发邮件
13 Intent intent=new Intent(Intent.ACTION_SEND);
14 String[] tos = {"1@abc.com", "2@abc.com"}; // 收件人
15 String[] ccs = {"3@abc.com", "4@abc.com"}; // 抄送
16 String[] bccs = {"5@abc.com", "6@abc.com"}; // 密送
17 intent.putExtra(Intent.EXTRA_EMAIL, tos);
18 intent.putExtra(Intent.EXTRA_CC, ccs);
19 intent.putExtra(Intent.EXTRA_BCC, bccs);
20 intent.putExtra(Intent.EXTRA_SUBJECT, "Subject");
21 intent.putExtra(Intent.EXTRA_TEXT, "Hello");
22 intent.setType("message/rfc822");
23 startActivity(intent);

[代码] 显示地图与路径规划

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1 // 打开Google地图中国北京位置（北纬39.9，东经116.3）
2 Uri uri = Uri.parse("geo:39.9,116.3");
3 Intent intent = new Intent(Intent.ACTION_VIEW, uri);
4 startActivity(intent);
5 // 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）
6 Uri uri = Uri.parse("http://maps.google.com/maps?f=d&saddr=39.9 116.3&daddr=31.2 121.4");
7 Intent intent = new Intent(Intent.ACTION_VIEW, uri);
8 startActivity(intent);

[代码] 播放多媒体

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1 Intent intent = new Intent(Intent.ACTION_VIEW);
2 Uri uri = Uri.parse("file:///sdcard/foo.mp3");
3 intent.setDataAndType(uri, "audio/mp3");
4 startActivity(intent);
5
6 Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, "1");
7 Intent intent = new Intent(Intent.ACTION_VIEW, uri);
8 startActivity(intent);

[代码] 拍照

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1 // 打开拍照程序
2 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
3 startActivityForResult(intent, 0);
4 // 取出照片数据
5 Bundle extras = intent.getExtras();
6 Bitmap bitmap = (Bitmap) extras.get("data");

[代码] 获取并剪切图片

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01 // 获取并剪切图片
02 Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
03 intent.setType("image/*");
04 intent.putExtra("crop", "true"); // 开启剪切
05 intent.putExtra("aspectX", 1); // 剪切的宽高比为1：2
06 intent.putExtra("aspectY", 2);
07 intent.putExtra("outputX", 20); // 保存图片的宽和高
08 intent.putExtra("outputY", 40);
09 intent.putExtra("output", Uri.fromFile(new File("/mnt/sdcard/temp"))); // 保存路径
10 intent.putExtra("outputFormat", "JPEG");// 返回格式
11 startActivityForResult(intent, 0);
12 // 剪切特定图片
13 Intent intent = new Intent("com.android.camera.action.CROP");
14 intent.setClassName("com.android.camera", "com.android.camera.CropImage");
15 intent.setData(Uri.fromFile(new File("/mnt/sdcard/temp")));
16 intent.putExtra("outputX", 1); // 剪切的宽高比为1：2
17 intent.putExtra("outputY", 2);
18 intent.putExtra("aspectX", 20); // 保存图片的宽和高
19 intent.putExtra("aspectY", 40);
20 intent.putExtra("scale", true);
21 intent.putExtra("noFaceDetection", true);
22 intent.putExtra("output", Uri.parse("file:///mnt/sdcard/temp"));
23 startActivityForResult(intent, 0);

[代码] 打开Google Market

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1 // 打开Google Market直接进入该程序的详细页面
2 Uri uri = Uri.parse("market://details?id=" + "com.demo.app");
3 Intent intent = new Intent(Intent.ACTION_VIEW, uri);
4 startActivity(intent);

[代码] 安装和卸载程序

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1 Uri uri = Uri.fromParts("package", "com.demo.app", null);
2 Intent intent = new Intent(Intent.ACTION_DELETE, uri);
3 startActivity(intent);

[代码] 进入设置界面

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1 // 进入无线网络设置界面（其它可以举一反三）
2 Intent intent = new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS);
3 startActivityForResult(intent, 0);
posted @ 2012-04-24 23:12  周文  阅读(140)  评论(0)  编辑  收藏  举报