1. Hello,

2. World!

3.

4. 2014.

5. 03.

6. 29

7.

8. ()

9. () ()

10.

11.

12. ()

13.

14. S/W

15. ()

16. ()

17.

18.

19.

20.

21. (http://androidhuman.com)

22. ? http://goo.gl/gE5pgw

23. Questions? -http://goo.gl/gE5pgw

24.

25.

26. /

27.

28.

29.

30.

31.

32.

33.

34.

35.

36.

37.

38. -

39.

40.

41.

42.

43. Agenda

44.

45.

46. Reveal

47. yourself,

48. Android!

49. /

50. Questions? -http://goo.gl/gE5pgw ? Architecture

51. Questions? -http://goo.gl/gE5pgw Java

52.

53.

54. Dalvik

55. VM

56.

57. (ART

58. in

59. future)

60. C/C++

61.

62.

63.

64.

65.

66.

67.

68.

69.

70.

71.

72. JNI(Java

73. Native

74. Interface)

75. ?

76.

77. Questions? -http://goo.gl/gE5pgw Eclipse

78. +

79. ADT

80. (Android

81. Development

82. Tools)

83. ()

84.

85.

86.

87.

88.

89. ADT

90.

91.

92.

93.

94. GUI

95.

96. Android

97. Studio

98. Early

99. Access

100. Preview

101. ,

102. IntelliJ

103.

104. gradle

105.

106.

107. Android

108. SDK

109. Tools

110. adb,

111. emulator,

112. uiautomator,

113. monitor,

114. etc.

115. ?

116.

117. Questions? -http://goo.gl/gE5pgw ?

118.

119. -

120. Eclipse+ADT

121. Questions? -http://goo.gl/gE5pgw ?

122.

123. -

124. Android

125. Studio

126. Questions? -http://goo.gl/gE5pgw ?

127.

128. -

129. Android

130. SDK

131. Tools

132. /

133. SDK

134. Manager

135. SDK

136.

137.

138.

139.

140.

141. Questions? -http://goo.gl/gE5pgw ?

142.

143. -

144. Android

145. SDK

146. Tools

147. /

148. ADB(Android

149. Debug

150. Bridge)

151.

152.

153.

154.

155.

156. //,

157.

158. ,

159.

160.

161.

162.

163. SDK

164.

165.

166. SDK

167. Manager

168.

169.

170.

171.

172. Questions? -http://goo.gl/gE5pgw ?

173.

174. -

175. Android

176. SDK

177. Tools

178. /

179. PATH

180.

181. /

182.

183.

184.

185. PATH

186.

187.

188. http://androidhuman.com/161

189. (Windows)

190. http://androidhuman.com/409

191. (OSX)

192. tools

193. android,

194. monitor,

195. emulator,

196. draw9patch,

197. etc.

198. platform-tools

199. adb,

200. fastboot

201.

202. Questions? -http://goo.gl/gE5pgw

203.

204.

205.

206.

207. :

208. (Activity)

209.

210.

211.

212.

213.

214.

215.

216.

217.

218.

219.

220.

221.

222.

223.

224.

225.

226.

227. ?

228.

229.

230. Questions? - http://goo.gl/gE5pgw - Gmail Documents

231. Questions? -http://goo.gl/gE5pgw

232.

233.

234.

235.

236.

237. /

238. dp(density

239. independent

240. pixel)

241.

242.

243.

244.

245.

246.

247.

248. :

249.

250.

251.

252.

253.

254. 9-patch ?

255.

256.

257. - Density-independent pixel (dp), from d.android.com A

258. virtual

259. pixel

260. unit

261. that

262. you

263. should

264. use

265. when

266. defining

267. UI

268. layout,

269. to

270. express

271. layout

272. dimensions

273. or

274. position

275. in

276. a

277. density-independent

278. way.

279. The

280. density-independent

281. pixel

282. is

283. equivalent

284. to

285. one

286. physical

287. pixel

288. on

289. a

290. 160

291. dpi

292. screen,

293. which

294. is

295. the

296. baseline

297. density

298. assumed

299. by

300. the

301. system

302. for

303. a

304. "medium"

305. density

306. screen.

307. At

308. runtime,

309. the

310. system

311. transparently

312. handles

313. any

314. scaling

315. of

316. the

317. dp

318. units,

319. as

320. necessary,

321. based

322. on

323. the

324. actual

325. density

326. of

327. the

328. screen

329. in

330. use.

331. The

332. conversion

333. of

334. dp

335. units

336. to

337. screen

338. pixels

339. is

340. simple:

341. px

342. =

343. dp

344. *

345. (dpi

346. /

347. 160).

348. For

349. example,

350. on

351. a

352. 240

353. dpi

354. screen,

355. 1

356. dp

357. equals

358. 1.5

359. physical

360. pixels.

361. You

362. should

363. always

364. use

365. dp

366. units

367. when

368. defining

369. your

370. application's

371. UI,

372. to

373. ensure

374. proper

375. display

376. of

377. your

378. UI

379. on

380. screens

381. with

382. different

383. densities.

384. - Density-independent pixel (dp), from d.android.com A

385. virtual

386. pixel

387. unit

388. that

389. you

390. should

391. use

392. when

393. defining

394. UI

395. layout,

396. to

397. express

398. layout

399. dimensions

400. or

401. position

402. in

403. a

404. density-independent

405. way.

406. The

407. density-independent

408. pixel

409. is

410. equivalent

411. to

412. one

413. physical

414. pixel

415. on

416. a

417. 160

418. dpi

419. screen,

420. which

421. is

422. the

423. baseline

424. density

425. assumed

426. by

427. the

428. system

429. for

430. a

431. "medium"

432. density

433. screen.

434. At

435. runtime,

436. the

437. system

438. transparently

439. handles

440. any

441. scaling

442. of

443. the

444. dp

445. units,

446. as

447. necessary,

448. based

449. on

450. the

451. actual

452. density

453. of

454. the

455. screen

456. in

457. use.

458. The

459. conversion

460. of

461. dp

462. units

463. to

464. screen

465. pixels

466. is

467. simple:

468. px

469. =

470. dp

471. *

472. (dpi

473. /

474. 160).

475. For

476. example,

477. on

478. a

479. 240

480. dpi

481. screen,

482. 1

483. dp

484. equals

485. 1.5

486. physical

487. pixels.

488. You

489. should

490. always

491. use

492. dp

493. units

494. when

495. defining

496. your

497. application's

498. UI,

499. to

500. ensure

501. proper

502. display

503. of

504. your

505. UI

506. on

507. screens

508. with

509. different

510. densities.

511. Questions? -http://goo.gl/gE5pgw

512.

513.

514.

515. ldpi,

516. mdpi,

517. hdpi,

518. xhdpi,

519. xxhdpi,

520. xxxhdpi(?!)

521.

522.

523.

524.

525.

526. small,

527. normal,

528. large,

529. xlarge,

530. xxlarge(?!)

531.

532. +

533.

534.

535.

536.

537. (Do

538. not

539. use

540. actual

541. pixels) ?

542.

543.

544. -

545. dp(dip) Source : http://developer.android.com/guide/practices/screens_support.html

546. Questions? -http://goo.gl/gE5pgw

547.

548.

549.

550.

551. ?

552.

553.

554. -

555. dp(dip)

556. Questions? - http://goo.gl/gE5pgw ?