Intent使用大全（一）
?//下面这些都OK
?//Intent it = getHtmlFileIntent("/mnt/sdcard/tutorial.html");//SD卡主目录
//Intent it = getHtmlFileIntent("/sdcard/tutorial.html");//SD卡主目录,这样也可以
?Intent it = getHtmlFileIntent("/system/etc/tutorial.html");//系统内部的etc目录
?//Intent it = getPdfFileIntent("/system/etc/helphelp.pdf");
?//Intent it = getWordFileIntent("/system/etc/help.doc");
?//Intent it = getExcelFileIntent("/mnt/sdcard/Book1.xls")
?//Intent it = getPptFileIntent("/mnt/sdcard/download/Android_PPT.ppt");//SD卡的download目录下
?//Intent it = getVideoFileIntent("/mnt/sdcard/ice.avi");
?//Intent it = getAudioFileIntent("/mnt/sdcard/ren.mp3");
?//Intent it = getImageFileIntent("/mnt/sdcard/images/001041580.jpg");
?//Intent it = getTextFileIntent("/mnt/sdcard/hello.txt",false);
?startActivity( it );
public class MyIntent
{
//android获取一个用于打开HTML文件的intent
? public static Intent getHtmlFileIntent( String param )
? {
??? Uri uri = Uri.parse(param ).buildUpon().encodedAuthority("com.android.htmlfileprovider").scheme("content").encodedPath(param ).build();
??? Intent intent = new Intent("android.intent.action.VIEW");
??? intent.setDataAndType(uri, "text/html");
??? return intent;
? }
//android获取一个用于打开图片文件的intent
? public static Intent getImageFileIntent( String param )
? {
??? Intent intent = new Intent("android.intent.action.VIEW");
??? intent.addCategory("android.intent.category.DEFAULT");
??? intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
??? Uri uri = Uri.fromFile(new File(param ));
??? intent.setDataAndType(uri, "image/*");
??? return intent;
? }
? //android获取一个用于打开PDF文件的intent
? public static Intent getPdfFileIntent( String param )
? {
??? Intent intent = new Intent("android.intent.action.VIEW");
??? intent.addCategory("android.intent.category.DEFAULT");
??? intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
??? Uri uri = Uri.fromFile(new File(param ));
??? intent.setDataAndType(uri, "application/pdf");
??? return intent;
? }
//android获取一个用于打开文本文件的intent
?public static Intent getTextFileIntent( String param, boolean paramBoolean)
?
?
?{
?
? Intent intent = new Intent("android.intent.action.VIEW");
?
? intent.addCategory("android.intent.category.DEFAULT");
?
? intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
?
? if (paramBoolean)
?
? {
?
?Uri uri1 = Uri.parse(param );
?
?intent.setDataAndType(uri1, "text/plain");
?
?
? }
?
? else
?
? {
?
?
?
?Uri uri2 = Uri.fromFile(new File(param ));
?
?intent.setDataAndType(uri2, "text/plain");
?
? }
? return intent;
?
?}
//android获取一个用于打开音频文件的intent
? public static Intent getAudioFileIntent( String param )
? {
??? Intent intent = new Intent("android.intent.action.VIEW");
??? intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
??? intent.putExtra("oneshot", 0);
??? intent.putExtra("configchange", 0);
??? Uri uri = Uri.fromFile(new File(param ));
??? intent.setDataAndType(uri, "audio/*");
??? return intent;
? }
? //android获取一个用于打开视频文件的intent
? public static Intent getVideoFileIntent( String param )
? {
??? Intent intent = new Intent("android.intent.action.VIEW");
??? intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
??? intent.putExtra("oneshot", 0);
??? intent.putExtra("configchange", 0);
??? Uri uri = Uri.fromFile(new File(param ));
??? intent.setDataAndType(uri, "video/*");
??? return intent;
? }
? //android获取一个用于打开CHM文件的intent
? public static Intent getChmFileIntent( String param )
? {
??? Intent intent = new Intent("android.intent.action.VIEW");
??? intent.addCategory("android.intent.category.DEFAULT");
??? intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
??? Uri uri = Uri.fromFile(new File(param ));
??? intent.setDataAndType(uri, "application/x-chm");
??? return intent;
? }
//android获取一个用于打开Word文件的intent
? public static Intent getWordFileIntent( String param )
? {
??? Intent intent = new Intent("android.intent.action.VIEW");
??? intent.addCategory("android.intent.category.DEFAULT");
??? intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
??? Uri uri = Uri.fromFile(new File(param ));
??? intent.setDataAndType(uri, "application/msword");
??? return intent;
? }
//android获取一个用于打开Excel文件的intent
? public static Intent getExcelFileIntent( String param )
? {
??? Intent intent = new Intent("android.intent.action.VIEW");
??? intent.addCategory("android.intent.category.DEFAULT");
??? intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
??? Uri uri = Uri.fromFile(new File(param ));
??? intent.setDataAndType(uri, "application/vnd.ms-excel");
??? return intent;
? }
//android获取一个用于打开PPT文件的intent
? public static Intent getPptFileIntent( String param )
? {
??? Intent intent = new Intent("android.intent.action.VIEW");
??? intent.addCategory("android.intent.category.DEFAULT");
??? intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
??? Uri uri = Uri.fromFile(new File(param ));
??? intent.setDataAndType(uri, "application/vnd.ms-powerpoint");
??? return intent;
? }
}
