Android：android.content.ActivityNotFoundException：找不到处理 Intent 的活动

Question

我收到此错误；

android.content.ActivityNotFoundException: No Activity found to handle Intent { act=android.intent.action.PICK cat=[android.intent.category.OPENABLE] dat=content://media/external/audio/media }
        at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:2007)
        at android.app.Instrumentation.execStartActivity(Instrumentation.java:1673)
        at android.app.Activity.startActivityForResult(Activity.java:4586)
        at androidx.activity.ComponentActivity.startActivityForResult(ComponentActivity.java:712)
        at android.app.Activity.startActivityForResult(Activity.java:4544)
        at androidx.activity.ComponentActivity.startActivityForResult(ComponentActivity.java:693)
        at com.emresaritas.basicmediaplayer.MainActivity.openMedia(MainActivity.java:65)
        at com.emresaritas.basicmediaplayer.MainActivity$2.onClick(MainActivity.java:59)
        at android.view.View.performClick(View.java:6597)
        at android.view.View.performClickInternal(View.java:6574)
        at android.view.View.access$3100(View.java:778)
        at android.view.View$PerformClick.run(View.java:25885)
        at android.os.Handler.handleCallback(Handler.java:873)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:193)
        at android.app.ActivityThread.main(ActivityThread.java:6669)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)

代码;

public void openMedia(){
    Intent intent = new Intent(Intent.ACTION_PICK, MediaStore.Audio.Media.EXTERNAL_CONTENT_URI).addCategory(Intent.CATEGORY_OPENABLE);
    startActivityForResult(intent, PICK_MEDIA);
}

显现;

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:theme="@style/Theme.BasicMediaPlayer">
    <activity
        android:name=".MainActivity"
        android:exported="true"
        android:label="@string/title_activity_main"
        android:theme="@style/Theme.BasicMediaPlayer.NoActionBar">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>

</application>

我试图更改意图操作和活动结构，但无法解决我的问题。我正在尝试使用意图让用户从存储中选择一个文件。

Answer 1

试试这个

public void openMedia(){
    Intent pickIntent = new Intent(Intent.ACTION_PICK, android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI).addCategory(Intent.CATEGORY_OPENABLE);
    pickIntent.setType("video/*");//Add as per your requirement 
    startActivityForResult(pickIntent, PICK_MEDIA);
}