Android中Intent的用法小结
Android中Intent的用法总结
刚入手Android,昨天在看android书籍的时候,看到Intent有个Intent.putExtras(Bundle b)的方法,然后在Eclipse中智能输入时有Intent.putExtra(X,Y)相关的很多方法putExtras不知道是不是putExtra的复数形式?
Intent只在Android中特有,我把它比作一种运载工具,就像飞机一样,会把一些人带到某个地方,而且如果需要的话,还可以找到机上有哪些人员(数据),这就需要另外一些设备来支持(如:Bundle),最后通过引擎(Context的 Activity)来启动。
以下是从网上摘来的:前人已有整理,就方便了我们这些后辈了。
1.显示网页:
2.显示地图:
3.从google搜索内容
4.路径规划
5.拨打电话
6.调用发短信的程序
7.发送短信
8.发送彩信
9.发送Email
10.播放多媒体
11.install apk
12.uninstall apk
13.发送附件
刚入手Android,昨天在看android书籍的时候,看到Intent有个Intent.putExtras(Bundle b)的方法,然后在Eclipse中智能输入时有Intent.putExtra(X,Y)相关的很多方法putExtras不知道是不是putExtra的复数形式?
Intent只在Android中特有,我把它比作一种运载工具,就像飞机一样,会把一些人带到某个地方,而且如果需要的话,还可以找到机上有哪些人员(数据),这就需要另外一些设备来支持(如:Bundle),最后通过引擎(Context的 Activity)来启动。
以下是从网上摘来的:前人已有整理,就方便了我们这些后辈了。
1.显示网页:
Uri uri = Uri.parse("http://www.google.com"); Intent it = new Intent(Intent.ACTION_VIEW,uri); startActivity(it);
2.显示地图:
Uri uri = Uri.parse("geo:38.899533,-77.036476"); Intent it = new Intent(Intent.Action_VIEW,uri); startActivity(it);
3.从google搜索内容
Intent intent = new Intent(); intent.setAction(Intent.ACTION_WEB_SEARCH); intent.putExtra(SearchManager.QUERY,"searchString") startActivity(intent);
4.路径规划
Uri uri = Uri.parse("http://maps.google.com/maps?f=dsaddr=startLat%20startLng&daddr=endLat%20endLng&hl=en"); Intent it = new Intent(Intent.ACTION_VIEW,URI); startActivity(it);
5.拨打电话
Uri uri = Uri.parse("tel:xxxxxx"); Intent it = new Intent(Intent.ACTION_DIAL, uri); startActivity(it); [color=blue]//要使用这个必须在配置文件 中加入<uses-permission id="android .permission.CALL_PHONE" />[/color]
6.调用发短信的程序
Intent it = new Intent(Intent.ACTION_VIEW); it.putExtra("sms_body", "The SMS text"); it.setType("vnd.android-dir/mms-sms"); startActivity(it);
7.发送短信
Uri uri = Uri.parse("smsto:0800000123"); Intent it = new Intent(Intent.ACTION_SENDTO, uri); it.putExtra("sms_body", "The SMS text"); startActivity(it);
8.发送彩信
Uri uri = Uri.parse("content://media/external/images/media/23"); Intent it = new Intent(Intent.ACTION_SEND); it.putExtra("sms_body", "some text"); it.putExtra(Intent.EXTRA_STREAM, uri); it.setType("image/png"); startActivity(it);
9.发送Email
Uri uri = Uri.parse("mailto:xxx@abc.com"); Intent it = new Intent(Intent.ACTION_SENDTO, uri); startActivity(it); Intent it = new Intent(Intent.ACTION_SEND); it.putExtra(Intent.EXTRA_EMAIL, "me@abc.com"); it.putExtra(Intent.EXTRA_TEXT, "The email body text"); it.setType("text/plain"); startActivity(Intent.createChooser(it, "Choose Email Client")); Intent it=new Intent(Intent.ACTION_SEND); String[] tos={"me@abc.com"}; String[] ccs={"you@abc.com"}; it.putExtra(Intent.EXTRA_EMAIL, tos); it.putExtra(Intent.EXTRA_CC, ccs); it.putExtra(Intent.EXTRA_TEXT, "The email body text"); it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text"); it.setType("message/rfc822"); startActivity(Intent.createChooser(it, "Choose Email Client")); Intent it = new Intent(Intent.ACTION_SEND); it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text"); it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/mysong.mp3"); sendIntent.setType("audio/mp3"); startActivity(Intent.createChooser(it, "Choose Email Client"));
10.播放多媒体
Intent it = new Intent(Intent.ACTION_VIEW); Uri uri = Uri.parse("file:///sdcard/song.mp3"); it.setDataAndType(uri, "audio/mp3"); startActivity(it); Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, "1"); Intent it = new Intent(Intent.ACTION_VIEW, uri); startActivity(it);
11.install apk
Uri installUri = Uri.fromParts("package", "xxx", null); returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);
12.uninstall apk
Uri uri = Uri.fromParts("package", strPackageName, null); Intent it = new Intent(Intent.ACTION_DELETE, uri); startActivity(it);
13.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"));