- import android.app.Activity;
- import android.content.Intent;
- import android.net.Uri;
- import android.net.Uri.Builder;
- import java.io.File;
- import android.content.Intent;
- //自定义android Intent类,
- //可用于获取打开以下文件的intent
- //PDF,PPT,WORD,EXCEL,CHM,HTML,TEXT,AUDIO,VIDEO
- 示例:
- //这个不行,可能是因为PDF.apk程序没有权限访问其它APK里的asset资源文件,又或者是路径写错?
- //Intent it = getPdfFileIntent("file:///android_asset/helphelp.pdf");
- //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;
- }
- }