Androidオールスタース?2016 yanzm
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- 8. private String createDurationText(int duration) {? int hour = duration / 3600;? duration -= hour * 3600;? int min = duration / 60;? duration -= min * 60;? int sec = duration;? if (hour > 0) {? return String.format(Locale.ENGLISH, "%d:%02d:%02d", hour, min, sec);? } else if (min > 0) {? return String.format(Locale.ENGLISH, "%02d:%02d", min, sec);? } else {? return String.format(Locale.ENGLISH, "0:%02d", sec);? }? }? x
- 9. static String createDurationText(int duration) {? int hour = duration / 3600;? duration -= hour * 3600;? int min = duration / 60;? duration -= min * 60;? int sec = duration;? if (hour > 0) {? return String.format(Locale.ENGLISH, "%d:%02d:%02d", hour, min, sec);? } else if (min > 0) {? return String.format(Locale.ENGLISH, "%02d:%02d", min, sec);? } else {? return String.format(Locale.ENGLISH, "0:%02d", sec);? }? } o
- 10. @Test? public void durationTextTest() {? assertEquals("1:24:32", MyCustomView.createDurationText(3600 + 24 * 60 + 32));? assertEquals("01:32", MyCustomView.createDurationText(60 + 32));? assertEquals("0:32", MyCustomView.createDurationText(32));? } o
- 11. private static String TAG = "MainActivity"; x private static final String TAG = "MainActivity"; o
- 12. public class MyCustomView extends View {? ? private int minHeight;? ? public MyCustomView(Context context) {? super(context);? init();? }? ? public MyCustomView(Context context, AttributeSet attrs) {? super(context, attrs);? init();? }? ? public MyCustomView(Context context, AttributeSet attrs, int defStyleAttr) {? super(context, attrs, defStyleAttr);? init();? }? ? private void init() {? minHeight = 10;? } x
- 13. public class MyCustomView extends View {? ? private final int minHeight;? ? public MyCustomView(Context context) {? this(context, null);? }? ? public MyCustomView(Context context, AttributeSet attrs) {? this(context, attrs, 0);? }? ? public MyCustomView(Context context, AttributeSet attrs, int defStyleAttr) {? super(context, attrs, defStyleAttr);? minHeight = 10;? } o
- 15. /**? * Created by yanzm on 2016/08/07.? */? public class MainActivity extends AppCompatActivity {? x /**? * ホーム画面? *? * ランチャーから起動される。? * 最初にトークンがローカルに保存されているか確認し、 * 保存されていない場合はログイン画面に遷移する。? */ public class MainActivity extends AppCompatActivity {? o
- 16. x /**? * 1分未満のときは 0:ss、1分以上1時間未満のときは mm:ss、? * 1時間以上のときは h:mm:ss 形式の文字列を返す? *? * @param duration 秒? * @return 再生時間文字列? */? static String createDurationText(int duration) { o static String createDurationText(int duration) {?
- 17. x public interface MyInterface {? ? /**? * 再生時間を返す? *? * @param id 動画のID? * @return 秒? */? int getDuration(String id);? } o public interface MyInterface {? ? int getDuration(String id);? }
- 19. x public interface MyInterface {? ? /**? * …? */? int getDuration(String id);? } o public interface MyInterface {? ? /**? * …? */? int getDuration(@NonNull String id);? }?
- 20. public class IconUtils {? ? /**? * 対応する画像リソースを返す? *? * @param type アイコンのタイプ? * @return 画像リソース? */? @DrawableRes? public static int getIconResId(@NonNull IconType type) {? …? }? } o
- 21. x public interface ProfileService {? ? Profile getProfile(String userId);? } o public interface ProfileService {? ? @WorkerThread? Profile getProfile(@NonNull String userId);? }
- 22. o public interface ProfileService {? ? /**? * プロフィールを取得する? * <p>? * userId が null のときは自分のプロフィールが返る? *? * @param userId ユーザーのID? * @return プロフィール? */? @WorkerThread? Profile getProfile(@Nullable Integer userId);? }
- 23. ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1); x ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1); o
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- 39. tools:showIn <?xml version="1.0" encoding="utf-8"?>? <FrameLayout xmlns:android="http://schemas.android.com/a xmlns:tools="http://schemas.android.com/tools"? android:layout_width="match_parent"? android:layout_height="match_parent"? tools:showIn="@layout/activity_main">? ? …? ? </FrameLayout>
- 42. https://developer.android.com/studio/build/shrink-code.html android { ... buildTypes { release { shrinkResources true minifyEnabled true proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' } } }
- 43. x o dependencies {? compile 'com.google.code.gson:gson:2.7'? } libs/gson-2.2.2.jar
- 44. final DisplayMetrics metrics = getResources() .getDisplayMetrics();? final int widthPixels = metrics.widthPixels;? final int heightPixels = metrics.heightPixels;? final float density = metrics.density;
- 45. https://developer.android.com/reference/android/text/TextUtils.html @Override? protected void onCreate(@Nullable Bundle sav super.onCreate(savedInstanceState);? ? final String userId = …? if (TextUtils.isEmpty(userId)) {? finish();? return;? }? ? …? }
- 47. public class ProfileActivity extends AppCompatActivity {? ? private static final String EXTRA_USER_ID = "user_id";? ? @NonNull? public static Intent createIntent(@NonNull Context context, @NonNull String userId) {? Intent intent = new Intent(context, ProfileActivity.class);? intent.putExtra(EXTRA_USER_ID, userId);? return intent;? }? ? @Override? protected void onCreate(@Nullable Bundle savedInstanceState) {? super.onCreate(savedInstanceState);? ? final String userId = getIntent().getStringExtra(EXTRA_USER_ID);? }? }
- 48. public class ProfileFragment extends Fragment {? ? private static final String ARGS_USER_ID = "user_id";? ? @NonNull? public static ProfileFragment newInstance(@NonNull String userId) ProfileFragment f = new ProfileFragment();? final Bundle args = new Bundle();? args.putString(ARGS_USER_ID, userId);? f.setArguments(args);? return f;? }? ? @Override? public void onActivityCreated(@Nullable Bundle savedInstanceState super.onActivityCreated(savedInstanceState);? ? final String userId = getArguments() == null ? null? : getArguments().getString(ARGS_USER_ID);? }? }
- 50. Alt + Command + lo