Question

在启动像相机这样的风景活动后，我无法开始其他活动。

首先我开始使用活动相机：

 Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
 startActivityForResult(intent, requestCode);

然后我开始了另外一个这样的活动：

    Intent target = new Intent("android.intent.action.VIEW");
    String mimeType = getMimeType(fileName);
    target.setDataAndType(Uri.fromFile(new File(fileName)), mimeType);
    Intent intent = Intent.createChooser(target, "Open File");

    try {
        context.startActivity(intent);
    } catch (ActivityNotFoundException x) {}

但是新活动在启动后闪烁，应用程序崩溃

我的清单是：

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:largeHeap="true"
        android:hardwareAccelerated="true"
        android:theme="@style/AppTheme" >
        <activity
            android:name=".MainActivity"
            android:configChanges="orientation|screenSize|screenLayout"
            android:launchMode="singleTop"
            android:screenOrientation="portrait"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

我的设备是三星N-5100 android：4.4.2

重复打印此日志

    03-14 13:04:19.080 5668-5668/com.myapp  E/ViewRootImpl: sendUserActionEvent() mView == null
    03-14 13:04:19.090 5668-5668/com.myapp  I/PersonaManager: getPersonaService() name persona_policy
    03-14 13:04:19.200 5668-5668/com.myapp  D/AbsListView: onDetachedFromWindow
    03-14 13:04:19.215 5668-5668/com.myapp  W/ResolverActivity: mLaunchedFromPackage=com.imyapp 
    03-14 13:04:19.240 5668-5668/com.myapp  D/AbsListView: Get MotionRecognitionManager
D/MultiPhoneWindow: generateLayout : sMinimumStackBoundForPortraitOrientRect(0, 0 - 0, 0), sMinimumStackBoundForLandscapeOrient=Rect(0, 0 - 0, 0)

Answer 1

如果你得到这个方法，那么你得到错误消息ActivityNotFound然后改变这一行

target.setDataAndType(Uri.fromFile(new File(fileName)), mimeType);

至

File file = new File(fileName);
target.setDataAndType(Uri.fromFile(file.getAbsolutePath(), mimeType);

你的问题解决了

在景观活动开始后，我无法开始另一项活动

1 个答案: