Dart - Speaker Deck

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%BSU

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ࣗݾ঺հ ๺ଜྋ גࣜձࣾ͸ͯͳ )BUFOBGVOOFMCJU 5XJUUFS!FYQFSPQFSP

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*OUFOU ͷ ѻ͍Λ ؆୯ʹ͢Δ

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4USJOH .BJO"DUJWJUZ .BJO"DUJWJUZ

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.BJO"DUJWJUZ public class Main2Activity extends AppCompatActivity { …  public static final String EXTRA_TEXT = “text"; …  Bundle extras = getIntent().getExtras();  Log.e("extra_text", extras.getString(EXTRA_TEXT));  …  }

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4USJOH PS /VMM .BJO"DUJWJUZ .BJO"DUJWJUZ

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.BJO"DUJWJUZ public class Main2Activity extends AppCompatActivity {  public static final String EXTRA_TEXT = "text";  …  Bundle extras = getIntent().getExtras();  if (extras != null) {  Log.e(“extra_text", extras.getString(EXTRA_TEXT, "defaultValue")); }  …  }

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w ૿͑Δఆ਺ w ૿͑ΔJGจ w ૿͢ϨϏϡʔίετ

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%BSU %BSUBOE)FOTPO

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%BSU %BSUBOE)FOTPO w #VUUFS,OJGFΈͨ͘&YUSBͷ஋Λ*OKFDU͢Δ w ίϯύΠϧ࣌ʹ*OKFDU͢ΔίʔυΛੜ੒

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4USJOH .BJO"DUJWJUZ .BJO"DUJWJUZ

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.BJO"DUJWJUZ public class MainActivity extends AppCompatActivity {  …  Intent intent = new Intent(MainActivity.this, Main2Activity.class); intent.putExtra(Main2Activity.EXTRA_TEXT, “ok"); …  Intent intent = Henson.with(MainActivity.this)  .gotoMain2Activity()  .text("ok")  .build();  startActivity(intent);  …  }

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.BJO"DUJWJUZ public class Main2Activity extends AppCompatActivity {  … @InjectExtra String text;  public static final String EXTRA_TEXT = "text";  …  Dart.inject(this);  Log.e("extra_text", text);  …  }

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0QUJPOBM*OKFDUJPO

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4USJOH PS /VMM .BJO"DUJWJUZ .BJO"DUJWJUZ

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.BJO"DUJWJUZ public class Main2Activity extends AppCompatActivity {  … @Nullable @InjectExtra String text;  public static final String EXTRA_TEXT = "text";  …  Dart.inject(this);  if (!TextUtils.isEmpty(text)) {  Log.e("extra_text", text);  … Bundle extras = getIntent().getExtras();  if (extras != null) {  Log.e(“extra_text", extras.getString(EXTRA_TEXT, "defaultValue")); }  }

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%FGBVMU7BMVFT

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.BJO"DUJWJUZ public class Main2Activity extends AppCompatActivity { …  @Nullable @InjectExtra String text = "default";  … }

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'SBHNFOU

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%BSUJOKFDU 'SBHNFOU public class BlankFragment extends Fragment {  @InjectExtra String param1;  @Override  public void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  Dart.inject(this);

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%BSUJOKFDU BOESPJEBQQ'SBHNFOU

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%BSUJOKFDU 0CKFDU #VOEMF

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.BJO"DUJWJUZ public class Main2Activity extends AppCompatActivity {  …  Bundle extras = Henson.with(this) .gotoBlankFragment() .param1(“??????”) .build() .getExtras();   blankFragment = new BlankFragment();  blankFragment.setArguments(extras);  getSupportFragmentManager()  .beginTransaction()  .replace(R.id.fragment_container, blankFragment, TAG_FRAGMENT)  .commit();  …  }

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#MBOL'SBHNFOU public class BlankFragment extends Fragment {  @InjectExtra String param1;  @Override public void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  Dart.inject(this, getArguments());  Log.e("param1", param1);  }  } w ͪΐͬͱେม

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.BJO"DUJWJUZ   public class MainActivity extends AppCompatActivity {  …  Bundle fragmentExtras = Henson.with(MainActivity.this)  .gotoBlankFragment()  .param1("!!!!!!!!!")  .build()  .getExtras();  Intent intent = Henson.with(MainActivity.this)  .gotoMain2Activity()  .text("a")  .build();  intent.putExtras(fragmentExtras);  startActivity(intent);  … }

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.BJO"DUJWJUZ public class Main2Activity extends AppCompatActivity { …  Fragment blankFragment = getSupportFragmentManager().findFragmentByTag(TAG_FRAGMENT);  if (blankFragment == null) {  getSupportFragmentManager()  .beginTransaction()  .replace(R.id.fragment_container, new BlankFragment(), TAG_FRAGMENT)  .commit();  } …  }

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#MBOL'SBHNFOU public class BlankFragment extends Fragment {  @InjectExtra String param1;  @Override  public void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  Log.e("param1", param1);  }  @Override  public void onAttach(Context context) {  super.onAttach(context);  Dart.inject(this, getActivity());  }  } w ͍ͩͿେม

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·ͱΊ w ίʔυྔͷ૿ՃΛ཈͑Δ͜ͱ͕ग़དྷΔ w Մಡੑ޲্ w ϨϏϡʔ͠΍͍͢ w 'SBHNFOUͰ࢖͏ʹ͸ͪΐͬͱบ͕͋Δ