我想要一种方法来输出一个意图的内容到日志中，并且能够很容易地读取它，所以我想到了这里。我已经创建了一个LogUtil类，然后使用dumpIntent()方法@Pratik创建，并对其进行了一些修改。这是它的样子:

public class LogUtil {

    private static final String TAG = "IntentDump";

    public static void dumpIntent(Intent i){
        Bundle bundle = i.getExtras();
        if (bundle != null) {
            Set<String> keys = bundle.keySet();

            StringBuilder stringBuilder = new StringBuilder();
            stringBuilder.append("IntentDump \n\r");
            stringBuilder.append("-------------------------------------------------------------\n\r");

            for (String key : keys) {
                stringBuilder.append(key).append("=").append(bundle.get(key)).append("\n\r");
            }

            stringBuilder.append("-------------------------------------------------------------\n\r");
            Log.i(TAG, stringBuilder.toString());
        }
    }
}

希望这能帮助到一些人!

在Kotlin中将它作为一个用“，”分隔的字符串!

val extras = intent?.extras?.keySet()?.map { "$it: ${intent.extras?.get(it)}" }?.joinToString { it }

基于ruX的答案。

private TextView tv;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    tv = new TextView(this);
    tv.setText("Extras: \n\r");

    setContentView(tv);

    StringBuilder str = new StringBuilder();
    Bundle bundle = getIntent().getExtras();
    if (bundle != null) {
        Set<String> keys = bundle.keySet();
        Iterator<String> it = keys.iterator();
        while (it.hasNext()) {
            String key = it.next();
            str.append(key);
            str.append(":");
            str.append(bundle.get(key));
            str.append("\n\r");
        }
        tv.setText(str.toString());
    }
}

Sorry if this is too verbose or too late, but this was the only way I could find to get the job done. The most complicating factor was the fact that java does not have pass by reference functions, so the get---Extra methods need a default to return and cannot modify a boolean value to tell whether or not the default value is being returned by chance, or because the results were not favorable. For this purpose, it would have been nicer to have the method raise an exception than to have it return a default.

我在这里找到了我的信息:Android意图文档。

    //substitute your own intent here
    Intent intent = new Intent();
    intent.putExtra("first", "hello");
    intent.putExtra("second", 1);
    intent.putExtra("third", true);
    intent.putExtra("fourth", 1.01);
    // convert the set to a string array

设置文档

    String[] anArray = {};
    Set<String> extras1 = (Set<String>) intent.getExtras().keySet();
    String[] extras = (String[]) extras1.toArray(anArray);
    // an arraylist to hold all of the strings
    // rather than putting strings in here, you could display them
    ArrayList<String> endResult = new ArrayList<String>();
    for (int i=0; i<extras.length; i++) {
        //try using as a String
        String aString = intent.getStringExtra(extras[i]);
        // is a string, because the default return value for a non-string is null
        if (aString != null) {
            endResult.add(extras[i] + " : " + aString);
        }
        // not a string
        else {
            // try the next data type, int
            int anInt = intent.getIntExtra(extras[i], 0);
            // is the default value signifying that either it is not an int or that it happens to be 0 
            if (anInt == 0) {
                // is an int value that happens to be 0, the same as the default value
                if (intent.getIntExtra(extras[i], 1) != 1) {
                    endResult.add(extras[i] + " : " + Integer.toString(anInt));
                }
                // not an int value
                // try double (also works for float)
                else {
                    double aDouble = intent.getDoubleExtra(extras[i], 0.0);
                    // is the same as the default value, but does not necessarily mean that it is not double
                    if (aDouble == 0.0) {
                        // just happens that it was 0.0 and is a double
                        if (intent.getDoubleExtra(extras[i], 1.0) != 1.0) {
                            endResult.add(extras[i] + " : " + Double.toString(aDouble));
                        }
                        // keep looking...
                        else {
                            // lastly check for boolean
                            boolean aBool = intent.getBooleanExtra(extras[i], false);
                            // same as default, but not necessarily not a bool (still could be a bool)
                            if (aBool == false) {
                                // it is a bool!
                                if (intent.getBooleanExtra(extras[i], true) != true) {
                                    endResult.add(extras[i] + " : " + Boolean.toString(aBool));
                                }
                                else {
                                    //well, the road ends here unless you want to add some more data types
                                }
                            }
                            // it is a bool
                            else {
                                endResult.add(extras[i] + " : " + Boolean.toString(aBool));
                            }
                        }
                    }
                    // is a double
                    else {
                        endResult.add(extras[i] + " : " + Double.toString(aDouble));
                    }
                }
            }
            // is an int value
            else {
                endResult.add(extras[i] + " : " + Integer.toString(anInt));
            }
        }
    }
    // to display at the end
    for (int i=0; i<endResult.size(); i++) {
        Toast.makeText(this, endResult.get(i), Toast.LENGTH_SHORT).show();
    }

如果为了调试，你想要的只是一个字符串(OP暗示了，但没有显式声明)，只需在额外的Bundle上使用toString:

intent.getExtras().toString()

它返回一个字符串，例如:

Bundle[{key1=value1, key2=value2, key3=value3}]

Bundle.toString()(不幸的是，它是默认的Object.toString() javadoc，因此在这里非常无用。)

我想要一种方法来输出一个意图的内容到日志中，并且能够很容易地读取它，所以我想到了这里。我已经创建了一个LogUtil类，然后使用dumpIntent()方法@Pratik创建，并对其进行了一些修改。这是它的样子:

public class LogUtil {

    private static final String TAG = "IntentDump";

    public static void dumpIntent(Intent i){
        Bundle bundle = i.getExtras();
        if (bundle != null) {
            Set<String> keys = bundle.keySet();

            StringBuilder stringBuilder = new StringBuilder();
            stringBuilder.append("IntentDump \n\r");
            stringBuilder.append("-------------------------------------------------------------\n\r");

            for (String key : keys) {
                stringBuilder.append(key).append("=").append(bundle.get(key)).append("\n\r");
            }

            stringBuilder.append("-------------------------------------------------------------\n\r");
            Log.i(TAG, stringBuilder.toString());
        }
    }
}

希望这能帮助到一些人!