[PPT] - APIM IGRATOR : An API-Usage Migration Tool for Android Apps Mattia PowerPoint Presentation

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APIMIGRATOR: An API-Usage Migration Tool for Android Apps

Mattia Fazzini Qi Xin Alessandro Orso

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Mobile Applications

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Platform

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Platform

Tight Coupling

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Platforms Change

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Platforms Change Frequently

Android Eclair Ice Cream Marshmallow Donut Petit Four Cupcake Honeycomb Froyo Gingerbread Lollipop Jelly Bean KitKat Pie Nougat Oreo

1.1

Android 10

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App

Developer

Adaptive Maintenance

Platform

App

New Platform

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Platform Fragmentation

Android 10 Ice Cream Jelly Bean KitKat Lollipop Marshmallow Oreo Pie Nougat

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App C

Developer C

App B

Developer B

App A

Intuition

Developer A

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App C

Developer C

App B

Developer B

App A

Intuition

Developer A

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App C

Developer C

App B

Developer B

App A

Intuition

Developer A

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API-Usage Migrations

API-Usage Changes

public NetworkInfo[] getAllNetworkInfo()

public Network[] getAllNetworks()

New API Usage

public NetworkInfo getNetworkInfo(Network network) public NetworkInfo[] getAllNetworkInfo()

Old API Usage

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API Updates

API-Usage Changes

public NetworkInfo[] getAllNetworkInfo()

public Network[] getAllNetworks()

New API Usage

public NetworkInfo getNetworkInfo(Network network) public NetworkInfo[] getAllNetworkInfo()

Old API Usage

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API Updates

API-Usage Changes

public NetworkInfo[] getAllNetworkInfo()

public Network[] getAllNetworks()

New API Usage

public NetworkInfo getNetworkInfo(Network network) public NetworkInfo[] getAllNetworkInfo()

Old API Usage

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Migration Example

Migration Example Before Migration Example After

public boolean isConnected(Context cont) { ConnectivityManager cm = ...; NetworkInfo[] info = cm.getAllNetworkInfo(); for (int i = 0; i < info.length; i++) { if(info[i].isConnected()) { return true; } } Toast.makeText(R.s.noNet).show(); return false; } public boolean isConnected(Context cont) { ConnectivityManager cm = ... ; if (VERSION.SDK_INT >= VERSION_CODES.M) { Network[] networks = cm.getAllNetworks(); for (Network mNetwork : networks) { NetworkInfo networkInfo = cm.getNetworkInfo(mNetwork); if(networkInfo.isConnected()) { Log.d(networkInfo.getTypeName()); return true; } } } else { NetworkInfo[] info = cm.getAllNetworkInfo(); for (NetworkInfo anInfo : info) { if(anInfo.isConnected()) { Log.d(anInfo.getTypeName()); return true; } } } Toast.makeText(cont.getString(...)).show(); return false; }

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public boolean isConnected(Context cont) { ConnectivityManager cm = ...; NetworkInfo[] info = cm.getAllNetworkInfo(); for (int i = 0; i < info.length; i++) { if(info[i].isConnected()) { return true; } } Toast.makeText(R.s.noNet).show(); return false; } public boolean isConnected(Context cont) { ConnectivityManager cm = ... ; if (VERSION.SDK_INT >= VERSION_CODES.M) { Network[] networks = cm.getAllNetworks(); for (Network mNetwork : networks) { NetworkInfo networkInfo = cm.getNetworkInfo(mNetwork); if(networkInfo.isConnected()) { Log.d(networkInfo.getTypeName()); return true; } } } else { NetworkInfo[] info = cm.getAllNetworkInfo(); for (NetworkInfo anInfo : info) { if(anInfo.isConnected()) { Log.d(anInfo.getTypeName()); return true; } } } Toast.makeText(cont.getString(...)).show(); return false; }

Migration Example

Migration Example Before Migration Example After

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public boolean isConnected(Context cont) { ConnectivityManager cm = ... ; if (VERSION.SDK_INT >= VERSION_CODES.M) { Network[] networks = cm.getAllNetworks(); for (Network mNetwork : networks) { NetworkInfo networkInfo = cm.getNetworkInfo(mNetwork); if(networkInfo.isConnected()) { Log.d(networkInfo.getTypeName()); return true; } } } else { NetworkInfo[] info = cm.getAllNetworkInfo(); for (NetworkInfo anInfo : info) { if(anInfo.isConnected()) { Log.d(anInfo.getTypeName()); return true; } } } Toast.makeText(cont.getString(...)).show(); return false; } public boolean isConnected(Context cont) { ConnectivityManager cm = ...; NetworkInfo[] info = cm.getAllNetworkInfo(); for (NetworkInfo anInfo : info) { if(info[i].isConnected()) { return true; } } Toast.makeText(R.s.noNet).show(); return false; }