使用意图在两个Android应用之间传递数据

问题描述

我有两个独立的android应用，即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，它将把游戏记录发送回AppA.

I have two separate android apps, AppA and AppB. I am trying to get AppA to launch AppB (which is a game app). After the user is done playing the game (AppB), it will send the game records back to AppA.

因此，AppA可以正确启动AppB，但是当用户玩完游戏(AppB)后，AppB在将数据发送回AppA时崩溃，并且显示了此错误:

So, AppA is launching AppB correctly, but when user is done with playing the game (AppB), AppB crashes while sending the data back to AppA, and this error shows up:

AppA套件名称:com.joy.AppA
活动类名称:com.joy.AppA.views.activities.StartGameActivity

AppA package name : com.joy.AppA
Activity class name : com.joy.AppA.views.activities.StartGameActivity

AppB包名称:com.joy.AppB
活动类名称:com.joy.AppB.MainActivity

AppB package name : com.joy.AppB
Activity class name : com.joy.AppB.MainActivity

这是我到目前为止所做的:

Here is what I've done so far:

AppA的StartGameActivity:

AppA's 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:

AppA's 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:

AppB's 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:

AppB's 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！

Thanks in advance for your help!

推荐答案

尝试一下:

AppA的AndroidManifest.xml:

AppA's 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>

然后将来自应用b的活动的数据发送至应用，执行以下操作:

Then to send data to app a activity from app b, do this:

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

这篇关于使用意图在两个Android应用之间传递数据的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！