Android App無法在更高版本上運行

Question

該應用程序在Emulator（5.1）和我的手機（4.1.2）中運行良好，但是在打開它時，在bluestacks（4.4.2）和高於4.1的真實電話中，“不幸的是，應用程序停止了”而導致崩潰

我在Bluestacks中運行時遇到了以下錯誤。 嘗試更改minsdk版本和appcompact選項。

    10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer I/dalvikvm: Could not find method android.content.Context.getSystemService, referenced from method com.androidhive.musicplayer.MusicPlayerMainActivity.access$super
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer W/dalvikvm: VFY: unable to resolve virtual method 524: Landroid/content/Context;.getSystemService (Ljava/lang/Class;)Ljava/lang/Object;
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer D/dalvikvm: VFY: replacing opcode 0x6f at 0x004b
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer I/dalvikvm: Could not find method android.app.Activity.stopLockTask, referenced from method com.androidhive.musicplayer.MusicPlayerMainActivity.access$super
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer W/dalvikvm: VFY: unable to resolve virtual method 279: Landroid/app/Activity;.stopLockTask ()V
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer D/dalvikvm: VFY: replacing opcode 0x6f at 0x00b9
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer I/dalvikvm: Could not find method android.app.Activity.isInMultiWindowMode, referenced from method com.androidhive.musicplayer.MusicPlayerMainActivity.access$super
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer W/dalvikvm: VFY: unable to resolve virtual method 102: Landroid/app/Activity;.isInMultiWindowMode ()Z
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer D/dalvikvm: VFY: replacing opcode 0x6f at 0x00eb
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer E/dalvikvm: Could not find class 'android.os.PersistableBundle', referenced from method com.androidhive.musicplayer.MusicPlayerMainActivity.access$super
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer W/dalvikvm: VFY: unable to resolve check-cast 234 (Landroid/os/PersistableBundle;) in Lcom/androidhive/musicplayer/MusicPlayerMainActivity;
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer D/dalvikvm: VFY: replacing opcode 0x1f at 0x00fc
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer I/dalvikvm: Could not find method android.content.Context.getColorStateList, referenced from method com.androidhive.musicplayer.MusicPlayerMainActivity.access$super
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer W/dalvikvm: VFY: unable to resolve virtual method 505: Landroid/content/Context;.getColorStateList (I)Landroid/content/res/ColorStateList;
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer D/dalvikvm: VFY: replacing opcode 0x6f at 0x010c
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer I/dalvikvm: Could not find method android.app.Activity.onVisibleBehindCanceled, referenced from method com.androidhive.musicplayer.MusicPlayerMainActivity.access$super
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer W/dalvikvm: VFY: unable to resolve virtual method 193: Landroid/app/Activity;.onVisibleBehindCanceled ()V
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer D/dalvikvm: VFY: replacing opcode 0x6f at 0x011c
10-21 22:27:22.551 12147-12147/player.kri.com.saranplayer I/dalvikvm: Could not find method android.content.ContextWrapper.deleteSharedPreferences, referenced from method com.androidhive.musicplayer.MusicPlayerMainActivity.access$super

非常感謝您的幫助。

Answer 1

根據Google Android工程師的說法，這是正常現象。

請參閱https://code.google.com/p/android/issues/detail?id=198567

當您使用比已部署的設備api級別更高的api級別進行編譯時，會發生這種情況。 日志表明，某些方法不可用，虛擬機將用替代實現替換它們。

它僅表示您引用了當前無法在其上運行代碼的平台上提供的方法。

要解決您的問題，請編寫運行時開關：

if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
    // You can use here an API which was added in Lollipop.
}