Qu'est-ce qu'il y a 39;Context pendant 39 sur Android

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 TextView tv = new TextView(getContext());  ListAdapter adapter = new SimpleCursorAdapter(getApplicationContext(), ...); 

 context.getSystemService(LAYOUT_INFLATER_SERVICE)  getApplicationContext().getSharedPreferences(*name*, *mode*); 

 getApplicationContext().getContentResolver().query(uri, ...); 

84

TextView tv = new TextView(this); 

74

@Override     public AssetManager getAssets() {         return mBase.getAssets();     } 

Instrumentation.ActivityResult ar =                 mInstrumentation.execStartActivity(                     this, mMainThread.getApplicationThread(), mToken, this,                     intent, requestCode);