Grenade - Type safe intent buidler

potatotips 34

Transcript

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4. #BTJD Intent intent = new Intent(context, HogeActivity.class); startActivity(intent);
5. XJUI
   FYUSB Intent intent = new Intent(context, HogeActivity.class); intent.putExtra("name", "Takashi"); intent.putExtra("age", 30); startActivity(intent);
6. XJUI
   FYUSB Intent intent = new Intent(context, HogeActivity.class); intent.putExtra("name", "Takashi"); intent.putExtra("age", 30); startActivity(intent); String name = getIntent().getStringExtra("name"); int age = getIntent().getIntExtra("age", 0);
7. XJUI
   FYUSB Intent intent = new Intent(context, HogeActivity.class); intent.putExtra("name", "Takashi"); intent.putExtra("age", 30); startActivity(intent); String name = getIntent().getStringExtra("name"); int age = getIntent().getIntExtra("age", 0); w ͍ΖΜͳը໘ʹఆ਺͕ग़ͯདྷΔ
   
8. XJUI
   FYUSB Intent intent = new Intent(context, HogeActivity.class); intent.putExtra("name", "Takashi"); intent.putExtra("age", 30); startActivity(intent); String name = getIntent().getStringExtra("name"); int age = getIntent().getIntExtra("age", 0); w ͍ΖΜͳը໘ʹఆ਺͕ग़ͯདྷΔ
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9. TUBUJD
   NFUIPE static void startActivity(Context context, String name, int age) { Intent intent = new Intent(context, HogeActivity.class); intent.putExtra(KEY_NAME, "Takashi"); intent.putExtra(KEY_AGE, 30); context.startActivity(intent); } String name = getIntent().getStringExtra(KEY_NAME); int age = getIntent().getIntExtra(KEY_AGE, 0);
10. ͦ͏ͩɺࣗಈੜ੒͠Α͏
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12. 6TBHF @Navigator public class DetailActivity extends AppCompatActivity { // Required params @Extra String name; // Optional params @Extra @Optional int age; ... }
13. 6TBHF startActivity(new DetailActivityNavigator("Takashi") .age(30) .flags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT) .build(context);
14. 6TBHF @Navigator public class DetailActivity extends AppCompatActivity { ... @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Inject fields DetailActivityNavigator.inject(this, getIntent()); } }
15. 4FWFSBM
    DPOTUSVDUPST @Navigator({ "foo,bar1", "foo,bar2" }) public class DetailActivity extends AppCompatActivity { @Extra String foo; @Extra int bar1; @Extra long bar2; ... }
16. 4FWFSBM
    DPOTUSVDUPST startActivity(new DetailActivityNavigator(foo, bar1) .build(context)); startActivity(new DetailActivityNavigator(foo, bar2) .build(context));
17. 8PSL
    XJUI
    1BSDFMFS @Navigator public class DetailActivity extends AppCompatActivity { // Use parcelable entity as field @Extra User user; ... }
18. 8PSL
    XJUI
    1BSDFMFS startActivity(new DetailActivityNavigator(new User()) .build(context));