java - 使用 Intent 在两个 Android 应用程序之间传递数据

Question

我有两个独立的 Android 应用程序，AppA 和 AppB。我正在尝试让 AppA 启动 AppB(这是一个游戏应用程序)。用户玩完游戏(AppB)后，会将游戏记录发回给AppA。

因此，AppA 正确启动了 AppB，但是当用户玩完游戏 (AppB) 时，AppB 在将数据发送回 AppA 时崩溃，并显示此错误:

Process: com.joy.AppB, PID: 20265 android.content.ActivityNotFoundException: Unable to find explicit activity class {com.joy.AppA/com.joy.AppA.views.activities.StartGameActivity}; have you declared this activity in your AndroidManifest.xml?

AppA 包名:com.joy.AppA
Activity 类名称:com.joy.AppA.views.activities.StartGameActivity

AppB 包名:com.joy.AppB
Activity 类名:com.joy.AppB.MainActivity

这是我到目前为止所做的:

AppA 的 StartGameActivity:

//To launch AppB game
Intent launchGameIntent = getPackageManager().getLaunchIntentForPackage("com.joy.AppB");
startActivity(launchGameIntent);

//To retrieve game scores from AppB game
Intent intent = getIntent();
String[] gameRecords_array = intent.getStringArrayExtra("gameRecord");

AppA 的 AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.joy.AppA">
.
.
.
<activity
        android:name="com.joy.AppA.views.activities.StartGameActivity"
        android:label="Start Game">
        <intent-filter>
            <action android:name="android.intent.action.SEND" />
        </intent-filter>
        <meta-data
            android:name="android.support.PARENT_ACTIVITY"
            android:value=".views.activities.DashboardActivity" />
    </activity>

AppB 的 MainActivity:

Intent i = new Intent();
i.setComponent(new ComponentName("com.joy.AppA","com.joy.AppA.views.activities.StartGameActivity"));
i.setAction(Intent.ACTION_SEND);
i.putExtra("gameRecord", gameRecord_array);
startActivity(i);

AppB 的 AndroidManifest.xml:

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.joy.AppB" >

<supports-screens android:resizeable="true" />

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.INTERNET" />

<application
    android:allowBackup="true"
    android:icon="@drawable/app_icon"
    android:label="@string/app_name"
    android:supportsRtl="true"
    android:theme="@style/AppTheme">
    <activity
        android:name=".MainActivity"
        android:screenOrientation="portrait">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
.
.
.

在此先感谢您的帮助!

Answer 1

试试这个:

AppA 的 AndroidManifest.xml:

    <?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.joy.AppA">
    .
    .
    .
    <activity
            android:name="com.joy.AppA.views.activities.StartGameActivity"
            android:label="Start Game">

            <intent-filter>
                <action android:name="com.joy.AppA.views.activities.LAUNCH_IT" />
            <category android:name="android.intent.category.DEFAULT" />
            </intent-filter>

            <meta-data
                android:name="android.support.PARENT_ACTIVITY"
                android:value=".views.activities.DashboardActivity" />

        </activity>

然后要从应用程序 b 向应用程序 a Activity 发送数据，请执行以下操作:

Intent i = new Intent();
i.setAction("com.joy.AppA.views.activities.LAUNCH_IT");
i.putExtra("gameRecord", gameRecord_array);
startActivity(i);