無活動來處理意圖的錯誤

我使用的Android如下試圖查看文件字以及.txt文件：無活動來處理意圖的錯誤

Intent intent = new Intent(Intent.ACTION_VIEW); 
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 
intent.setDataAndType(Uri.parse("file:///android_asset/usage.txt"), "plain/text"); 
getApplicationContext().startActivity(intent);

和

Intent intent = new Intent(Intent.ACTION_VIEW); 
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 
intent.setDataAndType(Uri.parse("file:///android_asset/USAGE_INSTRUCTIONS_FOR_SMART_RESPONDER.doc"), "plain/text"); 
getApplicationContext().startActivity(intent);

活動的方法中。現在，我的設備上安裝了ES文件管理器。但我一直得到的錯誤：

05-09 01:24:53.516: W/System.err(28918): android.content.ActivityNotFoundException: No Activity found to handle Intent { act=android.intent.action.VIEW dat=file:///android_asset/USAGE_INSTRUCTIONS_FOR_SMART_RESPONDER.doc typ=plain/text flg=0x10000000 } 
05-09 01:24:53.516: W/System.err(28918): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1622) 
05-09 01:24:53.516: W/System.err(28918): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1417) 
05-09 01:24:53.516: W/System.err(28918): at android.app.ContextImpl.startActivity(ContextImpl.java:949) 
05-09 01:24:53.524: W/System.err(28918): at android.app.ContextImpl.startActivity(ContextImpl.java:931) 
05-09 01:24:53.524: W/System.err(28918): at android.content.ContextWrapper.startActivity(ContextWrapper.java:284) 
05-09 01:24:53.524: W/System.err(28918): at com.pack.android.activity.ResponderActivity.onHelpMenuSelected(ResponderActivity.java:1733) 
05-09 01:24:53.524: W/System.err(28918): at com.pack.android.activity.ResponderActivity.onOptionsItemSelected(ResponderActivity.java:1711) 
05-09 01:24:53.532: W/System.err(28918): at android.app.Activity.onMenuItemSelected(Activity.java:2548) 
05-09 01:24:53.532: W/System.err(28918): at com.android.internal.policy.impl.PhoneWindow.onMenuItemSelected(PhoneWindow.java:980) 
05-09 01:24:53.532: W/System.err(28918): at com.android.internal.view.menu.MenuBuilder.dispatchMenuItemSelected(MenuBuilder.java:735) 
05-09 01:24:53.532: W/System.err(28918): at com.android.internal.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:149) 
05-09 01:24:53.539: W/System.err(28918): at com.android.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:874) 
05-09 01:24:53.539: W/System.err(28918): at com.android.internal.view.menu.MenuPopupHelper.onItemClick(MenuPopupHelper.java:156) 
05-09 01:24:53.539: W/System.err(28918): at android.widget.AdapterView.performItemClick(AdapterView.java:298) 
05-09 01:24:53.539: W/System.err(28918): at android.widget.AbsListView.performItemClick(AbsListView.java:1100) 
05-09 01:24:53.547: W/System.err(28918): at android.widget.AbsListView$PerformClick.run(AbsListView.java:2749) 
05-09 01:24:53.547: W/System.err(28918): at android.widget.AbsListView$1.run(AbsListView.java:3423) 
05-09 01:24:53.547: W/System.err(28918): at android.os.Handler.handleCallback(Handler.java:725) 
05-09 01:24:53.547: W/System.err(28918): at android.os.Handler.dispatchMessage(Handler.java:92) 
05-09 01:24:53.547: W/System.err(28918): at android.os.Looper.loop(Looper.java:137) 
05-09 01:24:53.555: W/System.err(28918): at android.app.ActivityThread.main(ActivityThread.java:5041) 
05-09 01:24:53.555: W/System.err(28918): at java.lang.reflect.Method.invokeNative(Native Method) 
05-09 01:24:53.555: W/System.err(28918): at java.lang.reflect.Method.invoke(Method.java:511) 
05-09 01:24:53.555: W/System.err(28918): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 
05-09 01:24:53.555: W/System.err(28918): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) 
05-09 01:24:53.563: W/System.err(28918): at dalvik.system.NativeStart.main(Native Method)

和

05-09 01:29:43.071: W/System.err(28918): android.content.ActivityNotFoundException: No Activity found to handle Intent { act=android.intent.action.VIEW dat=file:///android_asset/usage.txt typ=plain/text flg=0x10000000 } 
05-09 01:29:43.071: W/System.err(28918): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1622) 
05-09 01:29:43.078: W/System.err(28918): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1417) 
05-09 01:29:43.078: W/System.err(28918): at android.app.ContextImpl.startActivity(ContextImpl.java:949) 
05-09 01:29:43.086: W/System.err(28918): at android.app.ContextImpl.startActivity(ContextImpl.java:931) 
05-09 01:29:43.086: W/System.err(28918): at android.content.ContextWrapper.startActivity(ContextWrapper.java:284) 
05-09 01:29:43.086: W/System.err(28918): at com.pack.android.activity.ResponderActivity.onHelpMenuSelected(ResponderActivity.java:1748) 
05-09 01:29:43.086: W/System.err(28918): at com.pack.android.activity.ResponderActivity.onOptionsItemSelected(ResponderActivity.java:1711) 
05-09 01:29:43.094: W/System.err(28918): at android.app.Activity.onMenuItemSelected(Activity.java:2548) 
05-09 01:29:43.094: W/System.err(28918): at com.android.internal.policy.impl.PhoneWindow.onMenuItemSelected(PhoneWindow.java:980) 
05-09 01:29:43.094: W/System.err(28918): at com.android.internal.view.menu.MenuBuilder.dispatchMenuItemSelected(MenuBuilder.java:735) 
05-09 01:29:43.094: W/System.err(28918): at com.android.internal.view.menu.MenuItemImpl.invoke(MenuItemImpl.java:149) 
05-09 01:29:43.094: W/System.err(28918): at com.android.internal.view.menu.MenuBuilder.performItemAction(MenuBuilder.java:874) 
05-09 01:29:43.102: W/System.err(28918): at com.android.internal.view.menu.MenuPopupHelper.onItemClick(MenuPopupHelper.java:156) 
05-09 01:29:43.102: W/System.err(28918): at android.widget.AdapterView.performItemClick(AdapterView.java:298) 
05-09 01:29:43.102: W/System.err(28918): at android.widget.AbsListView.performItemClick(AbsListView.java:1100) 
05-09 01:29:43.102: W/System.err(28918): at android.widget.AbsListView$PerformClick.run(AbsListView.java:2749) 
05-09 01:29:43.110: W/System.err(28918): at android.widget.AbsListView$1.run(AbsListView.java:3423) 
05-09 01:29:43.110: W/System.err(28918): at android.os.Handler.handleCallback(Handler.java:725) 
05-09 01:29:43.110: W/System.err(28918): at android.os.Handler.dispatchMessage(Handler.java:92) 
05-09 01:29:43.118: W/System.err(28918): at android.os.Looper.loop(Looper.java:137) 
05-09 01:29:43.118: W/System.err(28918): at android.app.ActivityThread.main(ActivityThread.java:5041) 
05-09 01:29:43.118: W/System.err(28918): at java.lang.reflect.Method.invokeNative(Native Method) 
05-09 01:29:43.118: W/System.err(28918): at java.lang.reflect.Method.invoke(Method.java:511) 
05-09 01:29:43.125: W/System.err(28918): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793) 
05-09 01:29:43.125: W/System.err(28918): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560) 
05-09 01:29:43.125: W/System.err(28918): at dalvik.system.NativeStart.main(Native Method)

我有我的資產文件夾這2個文件，但仍不能打開它！任何幫助將是偉大的！

編輯

使用適當MIME_TYPE不糾正錯誤，但現在我得到另一個錯誤：

05-09 01:42:27.647: W/System.err(29614): java.lang.RuntimeException: java.io.FileNotFoundException: /android_asset/USAGE_INSTRUCTIONS_FOR_SMART_RESPONDER.doc: open failed: ENOENT (No such file or directory) 
05-09 01:42:27.647: W/System.err(29614): at com.tf.fastole2.CompoundBinaryUtil.openRandomAccessFile(CompoundBinaryUtil.java:15) 
05-09 01:42:27.647: W/System.err(29614): at com.tf.fastole2.TFOleFileSystem.openFileSystem(TFOleFileSystem.java:81) 
05-09 01:42:27.647: W/System.err(29614): at com.tf.fastole2.TFOleFsFactory.openFileSystem(TFOleFsFactory.java:32) 
05-09 01:42:27.647: W/System.err(29614): at com.tf.write.filter.CheckFileType.isHwp50(CheckFileType.java:240) 
05-09 01:42:27.655: W/System.err(29614): at com.tf.write.filter.CheckFileType.getType(CheckFileType.java:35) 
05-09 01:42:27.655: W/System.err(29614): at com.tf.thinkdroid.write.viewer.action.Open$2.run(Unknown Source) 
05-09 01:42:27.655: W/System.err(29614): at java.lang.Thread.run(Thread.java:856) 
05-09 01:42:27.655: W/System.err(29614): Caused by: java.io.FileNotFoundException: /android_asset/USAGE_INSTRUCTIONS_FOR_SMART_RESPONDER.doc: open failed: ENOENT (No such file or directory) 
05-09 01:42:27.655: W/System.err(29614): at libcore.io.IoBridge.open(IoBridge.java:416) 
05-09 01:42:27.655: W/System.err(29614): at java.io.RandomAccessFile.<init>(RandomAccessFile.java:118) 
05-09 01:42:27.655: W/System.err(29614): at com.tf.fastole2.CompoundBinaryUtil.openRandomAccessFile(CompoundBinaryUtil.java:11) 
05-09 01:42:27.655: W/System.err(29614): ... 6 more 
05-09 01:42:27.655: W/System.err(29614): Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory) 
05-09 01:42:27.655: W/System.err(29614): at libcore.io.Posix.open(Native Method) 
05-09 01:42:27.655: W/System.err(29614): at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110) 
05-09 01:42:27.655: W/System.err(29614): at libcore.io.IoBridge.open(IoBridge.java:400) 
05-09 01:42:27.655: W/System.err(29614): ... 8 more 
05-09 01:42:27.655: W/System.err(29614): java.io.FileNotFoundException: /android_asset/USAGE_INSTRUCTIONS_FOR_SMART_RESPONDER.doc: open failed: ENOENT (No such file or directory) 
05-09 01:42:27.655: W/System.err(29614): at libcore.io.IoBridge.open(IoBridge.java:416) 
05-09 01:42:27.655: W/System.err(29614): at java.io.RandomAccessFile.<init>(RandomAccessFile.java:118) 
05-09 01:42:27.655: W/System.err(29614): at java.io.RandomAccessFile.<init>(RandomAccessFile.java:150) 
05-09 01:42:27.655: W/System.err(29614): at java.util.zip.ZipFile.<init>(ZipFile.java:130) 
05-09 01:42:27.655: W/System.err(29614): at java.util.zip.ZipFile.<init>(ZipFile.java:103) 
05-09 01:42:27.655: W/System.err(29614): at com.tf.io.CachedZipFile$RealZipFileImpl.<init>(CachedZipFile.java:274) 
05-09 01:42:27.655: W/System.err(29614): at com.tf.io.CachedZipFile$RealZipFileImpl.<init>(CachedZipFile.java:269) 
05-09 01:42:27.655: W/System.err(29614): at com.tf.io.CachedZipFile.create(CachedZipFile.java:61) 
05-09 01:42:27.655: W/System.err(29614): at com.tf.io.CachedZipFile.create(CachedZipFile.java:37) 
05-09 01:42:27.655: W/System.err(29614): at com.tf.write.filter.CheckFileType.isDocx(CheckFileType.java:322) 
05-09 01:42:27.655: W/System.err(29614): at com.tf.write.filter.CheckFileType.getType(CheckFileType.java:47) 
05-09 01:42:27.655: W/System.err(29614): at com.tf.thinkdroid.write.viewer.action.Open$2.run(Unknown Source) 
05-09 01:42:27.655: W/System.err(29614): at java.lang.Thread.run(Thread.java:856) 
05-09 01:42:27.655: W/System.err(29614): Caused by: libcore.io.ErrnoException: open failed: ENOENT (No such file or directory) 
05-09 01:42:27.663: W/System.err(29614): at libcore.io.Posix.open(Native Method) 
05-09 01:42:27.663: W/System.err(29614): at libcore.io.BlockGuardOs.open(BlockGuardOs.java:110) 
05-09 01:42:27.663: W/System.err(29614): at libcore.io.IoBridge.open(IoBridge.java:400) 
05-09 01:42:27.663: W/System.err(29614): ... 12 more

來源

2013-05-08 Adithya

也許問題出在MIME類型上：'text/plain' – user2340612 2013-05-08 20:05:19

@Adithya Micros的MIME類型經常出現Word是應用程序/ msword。你嘗試過使用應用程序/ msword嗎？來源：http：//stackoverflow.com/a/4775394/801437 – 2013-05-08 20:06:44

指定應用程序/ msword解決了錯誤，但現在我得到另一個錯誤：請參閱我編輯的問題。 – Adithya 2013-05-08 20:19:14

您應該使用text/plain而不是plain/text。

來源

2013-05-08 20:12:34 Brigham

由於是在異常日誌中提到，

java.io.FileNotFoundException: /android_asset/USAGE_INSTRUCTIONS_FOR_SMART_RESPONDER.doc: open failed: ENOENT (No such file or directory)

它無法找到該文件。驗證該文件是否確實存在於該位置。另外，正如Brigham所說，使用文本/純文本。

來源

2013-05-08 20:29:27 lokoko

異常說該文件不存在。注意你在內存中指向/ android_asset /文件夾。

您確定沒有將此文件放在SDCard上？

來源

2013-05-08 20:36:09 ArturSkowronski

yes..its在我的資產文件夾中。 – Adithya 2013-05-09 04:24:14

問題是您試圖通過意向訪問第三方應用程序，這些應用程序無權訪問您的文件。 Android的安全模型不允許任何其他應用程序訪問您的私人數據（資產/資源....）根在這裏是一個例外。

因此，爲了讓您的文件可用於這些應用程序考慮複製您的文件到公共目錄CacheDir也許是最合適的選擇。

通過這樣做，您可以使用意圖按照您現在使用它們的方式查看數據。更多有關將文件複製到外部目錄看這裏：

Android: how to copy files in assets to sdcard

而且同時它看看Android's Security Model

PS不要忘記WRITE_EXTERNAL_STORAGE permession ..

祝你好運

來源

2013-05-08 21:00:01

無活動來處理意圖的錯誤

回答

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