本文共 4916 字,大约阅读时间需要 16 分钟。
- 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;
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- Intent it = getHtmlFileIntent("/mnt/sdcard/tutorial.html");
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- startActivity( it );
- public class MyIntent {
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- 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;
- }
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- 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;
- }
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- 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;
- }
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- 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;
- }
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- 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;
- }
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- 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;
- }
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- 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;
- }
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- 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;
- }
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- 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;
- }
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- 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;
- }
- }
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转载:http://blog.csdn.net/chaoyu168/article/details/50778016