我在Android Manifest的application里面添加了下面一條,就成功了
android:usesCleartextTraffic="true" (因為android版本太高啦)
android:usesCleartextTraffic="true" (因為android版本太高啦)
java.io.FileNotFoundException: No content provider: https://img.tukuppt.com/newpreview_music/00/10/93/5d819c599372871530.mp3
看不懂
看不懂
E/MediaPlayer: error (-19, 0)
E/MediaPlayer: Error (-19,0)
E/MediaPlayer: pause called in state 0
error (-38, 0)
E/MediaPlayer: Error (-38,0)
E/MediaPlayer: start called in state 0
error (-38, 0)
E/MediaPlayer: Error (-38,0)
點擊沒有音樂播放,還報上面的錯誤
E/MediaPlayer: Error (-19,0)
E/MediaPlayer: pause called in state 0
error (-38, 0)
E/MediaPlayer: Error (-38,0)
E/MediaPlayer: start called in state 0
error (-38, 0)
E/MediaPlayer: Error (-38,0)
點擊沒有音樂播放,還報上面的錯誤
新版本按照你的代碼會閃退
activity_main.xml里面的recyclerview引用 不能寫....support:-v7..了
新的引用名是androidx.recyclerview.widget.RecyclerView
activity_main.xml里面的recyclerview引用 不能寫....support:-v7..了
新的引用名是androidx.recyclerview.widget.RecyclerView
2020-02-17
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/rv_grid"
android:layout_width="match_parent"
android:layout_height="wrap_content"
></androidx.recyclerview.widget.RecyclerView>
android:id="@+id/rv_grid"
android:layout_width="match_parent"
android:layout_height="wrap_content"
></androidx.recyclerview.widget.RecyclerView>
2019-10-13
現(xiàn)在導(dǎo)入recyclerview要
implementation 'androidx.recyclerview:recyclerview:1.1.0-beta01'
implementation 'androidx.recyclerview:recyclerview:1.1.0-beta01'
2019-10-13