Dart

Transcript

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5. 4USJOH .BJO"DUJWJUZ .BJO"DUJWJUZ
6. .BJO"DUJWJUZ public class MainActivity extends AppCompatActivity {
 …
 Intent intent = new Intent(MainActivity.this, Main2Activity.class); intent.putExtra(Main2Activity.EXTRA_TEXT, "ok");
 startActivity(intent);
 …
 }
7. .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));
 …
 }
8. 4USJOH
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9. .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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13. 4USJOH .BJO"DUJWJUZ .BJO"DUJWJUZ
14. .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);
 …
 }
15. .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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18. .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);
 …
 }
19. .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")); }
 }
20. %FGBVMU
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21. .BJO"DUJWJUZ public class Main2Activity extends AppCompatActivity { …
 @Nullable @InjectExtra String text = "default";
 … }
22. 'SBHNFOU
    
23. %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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25. %BSUJOKFDU 0CKFDU
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26. .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();
 …
 }
27. #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
28. .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);
 … }
29. .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();
 } …
 }
30. #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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