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Return to activity when third party app completes action

Discussion in 'Android Development' started by geekyhawkes, Oct 11, 2014.

  1. geekyhawkes

    geekyhawkes Lurker
    Thread Starter

    I am launching some MP4 videos from within my application using the following INTENT (in activity B):

    if (v == image5) {
    File file = new File(Environment.getExternalStorageDirectory()
    + "/.intro/Resources/Res5.mp4");
    if (file.exists()) {
    Uri path = Uri.fromFile(file);
    Intent intent = new Intent(Intent.ACTION_VIEW);
    intent.setDataAndType(path, "video/mp4");
    //intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

    try {
    startActivity(intent);
    overridePendingTransition(R.anim.zoom_enter,
    R.anim.zoom_exit);
    } catch (ActivityNotFoundException e) {

    }
    }
    }

    When the video completes I would like android to return to the activity that launched the intent (Activity B), but it doesnt, instead it shows the launcher activity for my app (Activity A). I have tried `FLAG_ACTIVITY_NEW_TASK` but this made no difference.

    Full Manifest

    <?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.my.app.trainer"
    android:installLocation="preferExternal"
    android:versionCode="14"
    android:versionName="1.1" >

    <uses-sdk
    android:minSdkVersion="16"
    android:targetSdkVersion="16" />

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.VIBRATE" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.SET_WALLPAPER" />
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
    <uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT" />

    <application
    android:allowBackup="true"
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name"
    android:largeHeap="true"
    android:theme="@style/AppTheme" >
    <activity
    android:name=".SplashScreen"
    android:label="@string/title_activity_splash_screen"
    android:screenOrientation="landscape" >
    <intent-filter>
    <action android:name="android.intent.action.MAIN" />

    <category android:name="android.intent.category.LAUNCHER" />
    </intent-filter>
    </activity>
    <activity
    <!-- this is activity A -->
    android:name=".Main"
    android:label="@string/title_activity_main"
    android:screenOrientation="landscape" >
    <intent-filter>
    <action android:name="android.intent.action.MAIN" />
    <!-- <category android:name="android.intent.category.LAUNCHER" /> -->
    </intent-filter>
    </activity>
    <activity
    android:name=".Main3"
    android:label="@string/title_activity_main3"
    android:parentActivityName=".Main"
    android:screenOrientation="landscape" >
    <meta-data
    android:name="android.support.PARENT_ACTIVITY"
    android:value="com.my.app.trainer.Main" />
    </activity>
    <activity
    android:name=".CNAChooser"
    android:label="@string/title_activity_cnachooser"
    android:parentActivityName=".Main3" >
    <meta-data
    android:name="android.support.PARENT_ACTIVITY"
    android:value="com.my.app.trainer.Main3" />
    </activity>
    <activity
    <!-- this is activity B -->
    android:name=".CNARes"
    android:label="@string/title_activity_cnares"
    android:parentActivityName=".CNAChooser" >
    <meta-data
    android:name="android.support.PARENT_ACTIVITY"
    android:value="com.my.app.trainer.CNAChooser" />
    </activity>
    </application>

    </manifest>

    How do I set the launching activity INTENT to ensure that when the video completes Activity B is shown?

    When I select the imagebutton for the video to play (with defaults reset for which video application to use) then Activity A displays behind the dialog asking which app to play the video with.

    Question 2: Why does the intent listed above launch activity A?

    I have tried removing and re-installing the app, but the behavior is the same.

    I have checked the developer options, &quot;Don&#39;t keep activities&quot; is not enabled.

    I have installed the APK on 2 different android tablets and my S4 and the behavior is the same on all devices. I also tried with a full clean and refresh from Eclipse.

    I have tried removing the animation and also tried FLAG_ACTIVITY_PREVIOUS_IS_TOP and still get the same behavior. I have also tried changing the intent to launch a PDF file using code that I know works from my Activity A (main) class file. I am really confused what is going on here.

    Thanks;

    Andy
     



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  2. geekyhawkes

    geekyhawkes Lurker
    Thread Starter

    Anyone have a suggestion what is happening with this activity? I cannot work out Why its not returning to my activity
     
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