Android问题集锦之三十八:not allowed to send broadcast android.intent.action.MEDIA_MOUNTED
2015-09-11 13:42
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当我们保存图片后就会发个通知告诉系统让sdcard重新挂载,这样其他程序就会立即找到这张图片。
但是到了Android4.4就不灵了,Google将MEDIA_MOUNTED的权限提高了,于是就报了一个下面的错误。
在stackoverfollow中找到了一个办法,在高版本中使用ACTION_MEDIA_SCANNER_SCAN_FILE去通知系统重新扫描文件。代码如下:
在stackoverfollow中找到了一个办法,在高版本中使用ACTION_MEDIA_SCANNER_SCAN_FILE去通知系统重新扫描文件。代码如下:
from:http://blog.csdn.net/lincyang/article/details/45766479
<code class="hljs avrasm has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;"> Intent intent = new Intent()<span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">;</span> intent<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.setAction</span>(Intent<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.ACTION</span>_MEDIA_MOUNTED)<span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">;</span> intent<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.setData</span>(Uri<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.fromFile</span>(Environment <span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.getExternalStorageDirectory</span>()))<span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">;</span> sendBroadcast(intent)<span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">;</span></code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li><li style="box-sizing: border-box; padding: 0px 5px;">2</li><li style="box-sizing: border-box; padding: 0px 5px;">3</li><li style="box-sizing: border-box; padding: 0px 5px;">4</li><li style="box-sizing: border-box; padding: 0px 5px;">5</li></ul>
但是到了Android4.4就不灵了,Google将MEDIA_MOUNTED的权限提高了,于是就报了一个下面的错误。
<code class="hljs avrasm has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">W/System<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.err</span>﹕java<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.lang</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.SecurityException</span>: Permission Denial: not allowed to send broadcast android<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.intent</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.action</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.MEDIA</span>_MOUNTED from pid=<span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">18338</span>, uid=<span class="hljs-number" style="color: rgb(0, 102, 102); box-sizing: border-box;">10087</span></code><ul class="pre-numbering" style="box-sizing: border-box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right-width: 1px; border-right-style: solid; border-right-color: rgb(221, 221, 221); list-style: none; text-align: right; background-color: rgb(238, 238, 238);"><li style="box-sizing: border-box; padding: 0px 5px;">1</li></ul>
在stackoverfollow中找到了一个办法,在高版本中使用ACTION_MEDIA_SCANNER_SCAN_FILE去通知系统重新扫描文件。代码如下:
在stackoverfollow中找到了一个办法,在高版本中使用ACTION_MEDIA_SCANNER_SCAN_FILE去通知系统重新扫描文件。代码如下:
<code class="hljs avrasm has-numbering" style="display: block; padding: 0px; color: inherit; box-sizing: border-box; font-family: 'Source Code Pro', monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;"> if (Build<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.VERSION</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.SDK</span>_INT >= Build<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.VERSION</span>_CODES<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.KITKAT</span>) { Intent mediaScanIntent = new Intent( Intent<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.ACTION</span>_MEDIA_SCANNER_SCAN_FILE)<span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">;</span> Uri contentUri = Uri<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.fromFile</span>(mPhotoFile)<span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">; //out is your output file</span> mediaScanIntent<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.setData</span>(contentUri)<span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">;</span> CameraActivity<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.this</span><span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.sendBroadcast</span>(mediaScanIntent)<span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">;</span> } else { sendBroadcast(new Intent( Intent<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.ACTION</span>_MEDIA_MOUNTED, Uri<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.parse</span>(<span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"file://"</span> + Environment<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.getExternalStorageDirectory</span>())))<span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">;</span> } } catch (FileNotFoundException e) { Log<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.d</span>(TAG, <span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"File not found: "</span> + e<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.getMessage</span>())<span class="hljs-comment" style="color: rgb(136, 0, 0); box-sizing: border-box;">;</span> } catch (IOException e) { Log<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.d</span>(TAG, <span class="hljs-string" style="color: rgb(0, 136, 0); box-sizing: border-box;">"Error accessing file: "</span> + e<span class="hljs-preprocessor" style="color: rgb(68, 68, 68); box-sizing: border-box;">.ge</span></code>
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from:http://blog.csdn.net/lincyang/article/details/45766479
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