Android ClassCastException Object [] to String []

Question

嘿同胞程序員 我想從我的服務通過broadcastReceiver傳遞一個字符串數組到我的MainActivity。
字符串數組包裝在一個意圖。
但是，當我嘗試從我的意圖
獲得String []時，它是一個對象數組，我不能只使用intent.getStringArrayExtra（String）。
然後我試過這個：

如何將對象數組轉換爲Java中的字符串數組？
String[] stringArray = Arrays.copyOf(objectArray, objectArray.length, String[].class);

但doesen`t工作，要麼：/

public class MainActivity extends Activity implements View.OnClickListener { 
final String LOG_TAG = "mainActivityLogs"; 
Button btnStartService; 

private int numberOfFinishedTasks = 0; 
private List<String> finishedTasksInTheLast60Sec = new ArrayList<>(); 
private int startedTasks = 0; 
private ProgressBar pbService; 
private Handler progressHandler = new Handler(); 

private BroadcastReceiver broadcastReceiver = new BroadcastReceiver() { 
    @Override 
    public void onReceive(Context context, Intent intent) { 
     //results in java.lang.ClassCastException: java.lang.Object[] cannot be cast to java.lang.String[] 
     finishedTasksInTheLast60Sec = Arrays.asList(intent.getStringArrayExtra("finishedTasks")); 

     //results in java.lang.ClassCastException: java.lang.Object[] cannot be cast to java.lang.String[] 
     Object[] objectArray = intent.getStringArrayExtra("finishedTasks"); 
     String[] stringArray = Arrays.copyOf(objectArray, objectArray.length, String[].class); 
     finishedTasksInTheLast60Sec = Arrays.asList(stringArray); 

     numberOfFinishedTasks += finishedTasksInTheLast60Sec.size(); 
     for (String finishedTask : finishedTasksInTheLast60Sec) { 
      Log.d(LOG_TAG, finishedTask); 
     } 
    } 
}; 

此功能在服務文件的MyService和VAR finishedTasks只包含關閉線程的名字：

private void sendBroadcast(List<String> finishedTasks) { 
    Intent intent = new Intent("myServiceUpdate"); 
    intent.putExtra("finishedTasks", finishedTasks.toArray()); 
    LocalBroadcastManager.getInstance(this).sendBroadcast(intent); 
    } 

我希望你能幫助，如果你需要整個代碼只是文本:)

Answer 1

在發送時，將List類型轉換爲通過ArrayList的類型：

intent.putStringArrayListExtra("finishedTasks",(ArrayList<String>)finishedTasks); 

當接收僅通過獲取數據：

List stringList = getIntent().getStringArrayListExtra("finishedTasks");