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カテゴリー
タグ
ActionBar adb admob alarmmanager background fetch BOOT_COMPLETED BroadcastReceiver canvas DATE_CHANGED dp dpi EditText get launchMode ListView menu Notification NSURLSession PACKAGE_REPLACED paint PhoneStateListener post px READ_EXTERNAL_STORAGE SQLite storyboard surfaceview tableview TelephonyManager TimeZone TIMEZONE_CHANGED TIME_SET UIActivityIndicatorView UILabel WebView アイコン クリップボード ソフトウェアキーボード パーミッション ヘアライン ライフサイクル 回転 変換 正規表現 解像度リンク
「Android」カテゴリーアーカイブ
パッケージのアップデート時に処理を行う
アプリがアップデートされたタイミングで処理を行う。 ※新規インストール時も動く。 ・AndroidManifest.xml
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<receiver android:name=".MyAlarmBootCompletedReceiver" > <intent-filter> <action android:name="android.intent.action.PACKAGE_REPLACED" /> <data android:scheme="package" /> </intent-filter> </receiver> |
※注意 その他の … 続きを読む
ある年月の日数（末日）を求める
うるう年も考慮されている。
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Calendar cal = Calendar.getInstance(); cal.set(2012, 2, 1); int lastDayOfmonth = cal.getActualMaximum(Calendar.DAY_OF_MONTH); //29 |
注意点はcal.set(year, month, day);でday=1を与えること。 例えばdayに３１日を与 … 続きを読む
EditTextで改行させない
デフォルトでは改行可能なのでandroid:inputType=”text”を付与してやる。
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<EditText android:layout_width="wrap_content" android:layout_height="wrap_content" android:inputType="text" /> |
参考 & … 続きを読む
WebViewが落ちる
WebViewでしばらくブラウジングしていると、動作が極端に重くなり最期は強制終了する。
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09-03 09:31:53.947: D/audio_hw_primary(181): select_devices: out_snd_device(2: speaker) in_snd_device(0: ) 09-03 09:31:53.947: D/ACDB-LOADER(181): ACDB -> send_afe_cal 09-03 09:31:54.457: I/Ads(20296): Scheduling ad refresh 60000 milliseconds from now. 09-03 09:31:55.959: I/ActivityManager(586): START u0 {cmp=com.skelabo.xxxx/.MyBrowser (has extras)} from pid 20296 09-03 09:31:56.029: W/AwContents(20296): nativeOnDraw failed; clearing to background color. 09-03 09:31:56.049: I/ActivityManager(586): Displayed com.skelabo.xxxx/.MyBrowser: +81ms 09-03 09:31:56.059: W/AwContents(20296): nativeOnDraw failed; clearing to background color. 09-03 09:31:56.409: I/chromium(20296): [INFO:async_pixel_transfer_manager_android.cc(56)] Async pixel transfers not supported 09-03 09:31:57.700: W/Adreno-EGLSUB(20296): <DequeueBuffer:606>: dequeue native buffer fail: Unknown error 2147483646, buffer=0x0, handle=0x0 09-03 09:31:57.700: W/Adreno-EGLSUB(20296): <SwapBuffers:1382>: Invalid native buffer. Failed to queueBuffer 09-03 09:31:57.700: W/Adreno-EGLSUB(20296): <updater_thread:456>: native buffer is NULL 09-03 09:31:57.710: E/BufferQueue(178): [com.skelabo.xxxx/com.skelabo.xxxx.MyBrowser] dequeueBuffer: can't dequeue multiple buffers without setting the buffer count 09-03 09:31:57.710: W/Adreno-EGLSUB(20296): <DequeueBuffer:606>: dequeue native buffer fail: Invalid argument, buffer=0x0, handle=0x0 09-03 09:31:57.710: W/Adreno-ES20(20296): <gl2_surface_swap:43>: GL_OUT_OF_MEMORY 09-03 09:31:57.710: W/Adreno-EGL(20296): <qeglDrvAPI_eglSwapBuffers:3597>: EGL_BAD_SURFACE 09-03 09:31:57.710: W/HardwareRenderer(20296): EGL error: EGL_BAD_SURFACE 09-03 09:31:57.730: W/HardwareRenderer(20296): Mountain View, we've had a problem here. Switching back to software rendering. 09-03 09:31:58.711: E/Surface(20296): dequeueBuffer failed (Unknown error 2147483646) 09-03 09:31:58.711: E/ViewRootImpl(20296): Could not lock surface 09-03 09:31:58.711: E/ViewRootImpl(20296): java.lang.IllegalArgumentException 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.Surface.nativeLockCanvas(Native Method) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.Surface.lockCanvas(Surface.java:243) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.ViewRootImpl.drawSoftware(ViewRootImpl.java:2435) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.ViewRootImpl.draw(ViewRootImpl.java:2409) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2253) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1883) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1000) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5670) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.Choreographer.doCallbacks(Choreographer.java:574) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.Choreographer.doFrame(Choreographer.java:544) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.os.Handler.handleCallback(Handler.java:733) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.os.Handler.dispatchMessage(Handler.java:95) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.os.Looper.loop(Looper.java:136) 09-03 09:31:58.711: E/ViewRootImpl(20296): at android.app.ActivityThread.main(ActivityThread.java:5017) 09-03 09:31:58.711: E/ViewRootImpl(20296): at java.lang.reflect.Method.invokeNative(Native Method) 09-03 09:31:58.711: E/ViewRootImpl(20296): at java.lang.reflect.Method.invoke(Method.java:515) 09-03 09:31:58.711: E/ViewRootImpl(20296): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779) 09-03 09:31:58.711: E/ViewRootImpl(20296): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595) 09-03 09:31:58.711: E/ViewRootImpl(20296): at dalvik.system.NativeStart.main(Native Method) 09-03 09:32:20.933: D/dalvikvm(649): GC_CONCURRENT freed 1061K, 75% free 12488K/48928K, paused 6ms+5ms, total 69ms 09-03 09:32:27.369: E/BufferQueue(178): [com.skelabo.xxxx/com.skelabo.xxxx.MyBrowser] dequeueBuffer: can't dequeue multiple buffers without setting the buffer count 09-03 09:32:27.379: E/Surface(20296): dequeueBuffer failed (Invalid argument) 09-03 09:32:27.379: E/ViewRootImpl(20296): Could not lock surface 09-03 09:32:27.379: E/ViewRootImpl(20296): java.lang.IllegalArgumentException 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.Surface.nativeLockCanvas(Native Method) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.Surface.lockCanvas(Surface.java:243) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.ViewRootImpl.drawSoftware(ViewRootImpl.java:2435) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.ViewRootImpl.draw(ViewRootImpl.java:2409) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2253) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1883) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1000) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5670) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.Choreographer.doCallbacks(Choreographer.java:574) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.Choreographer.doFrame(Choreographer.java:544) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.os.Handler.handleCallback(Handler.java:733) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.os.Handler.dispatchMessage(Handler.java:95) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.os.Looper.loop(Looper.java:136) 09-03 09:32:27.379: E/ViewRootImpl(20296): at android.app.ActivityThread.main(ActivityThread.java:5017) 09-03 09:32:27.379: E/ViewRootImpl(20296): at java.lang.reflect.Method.invokeNative(Native Method) 09-03 09:32:27.379: E/ViewRootImpl(20296): at java.lang.reflect.Method.invoke(Method.java:515) 09-03 09:32:27.379: E/ViewRootImpl(20296): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779) 09-03 09:32:27.379: E/ViewRootImpl(20296): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595) 09-03 09:32:27.379: E/ViewRootImpl(20296): at dalvik.system.NativeStart.main(Native Method) 09-03 09:32:27.439: D/audio_hw_primary(181): select_devices: out_snd_device(2: speaker) in_snd_device(0: ) 09-03 09:32:27.439: D/ACDB-LOADER(181): ACDB -> send_afe_cal 09-03 09:32:27.940: E/BufferQueue(178): [com.skelabo.xxxx/com.skelabo.xxxx.MyBrowser] dequeueBuffer: can't dequeue multiple buffers without setting the buffer count 09-03 09:32:27.940: E/Surface(20296): dequeueBuffer failed (Invalid argument) 09-03 09:32:27.940: E/ViewRootImpl(20296): Could not lock surface 09-03 09:32:27.940: E/ViewRootImpl(20296): java.lang.IllegalArgumentException 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.Surface.nativeLockCanvas(Native Method) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.Surface.lockCanvas(Surface.java:243) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.ViewRootImpl.drawSoftware(ViewRootImpl.java:2435) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.ViewRootImpl.draw(ViewRootImpl.java:2409) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2253) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1883) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1000) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5670) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.Choreographer.doCallbacks(Choreographer.java:574) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.Choreographer.doFrame(Choreographer.java:544) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.os.Handler.handleCallback(Handler.java:733) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.os.Handler.dispatchMessage(Handler.java:95) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.os.Looper.loop(Looper.java:136) 09-03 09:32:27.940: E/ViewRootImpl(20296): at android.app.ActivityThread.main(ActivityThread.java:5017) 09-03 09:32:27.940: E/ViewRootImpl(20296): at java.lang.reflect.Method.invokeNative(Native Method) 09-03 09:32:27.940: E/ViewRootImpl(20296): at java.lang.reflect.Method.invoke(Method.java:515) 09-03 09:32:27.940: E/ViewRootImpl(20296): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779) 09-03 09:32:27.940: E/ViewRootImpl(20296): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595) 09-03 09:32:27.940: E/ViewRootImpl(20296): at dalvik.system.NativeStart.main(Native Method) 09-03 09:32:27.940: I/Ads(20296): Scheduling ad refresh 60000 milliseconds from now. 09-03 09:32:28.050: E/chromium(20296): [ERROR:gles2_cmd_decoder.cc(1773)] [.ChromiumCompositor-0x76d6bfc8]GL ERROR :GL_OUT_OF_MEMORY : GLES2DecoderImpl::PrepareTexturesForRender: <- error from previous GL command |
AndroidManifestでWebViewを使 … 続きを読む
WebViewの終了処理
ログにエラーがつらつらと出てくるので。
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web.stopLoading(); web.clearCache(true); web.clearHistory(); try { Thread.sleep(100); } catch(Exception e) { e.printStackTrace(); } web.setWebChromeClient(null); web.setWebViewClient(null); unregisterForContextMenu(web); web.destroy(); web = null; |
キャッシュクリア後sleepしないとクリアされない模様。 参考
NotificationからActivityが起動できない
AlarmManagerからサービスを起動してNotification発行→NotificationアイコンタップでActivity(非MAIN)起動という流れ。 同じような作りのアプリが複数あるが、Notificati … 続きを読む
ActivityのlaunchMode
AndroidManifestで指定
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<activity android:launchMode="singleTask"></activity> |
種類 Activity新規作成時 既存Activityあり standard 現在のタス … 続きを読む
ソフトウェアキーボードを表示しない
EditTextにフォーカスがあたると自動的に出てくるソフトウェアキーボードを表示させないようにする。
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@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //setContentViewより前に記述する getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN); setContentView(R.layout.main); } |
設定できるモード SOFT_INPUT_STATE … 続きを読む
着信イベントを取得する
アプリ実行中に着信があった場合に、アプリを一時停止したり通話が終わったタイミングで再開したりする。 AndroidManifest.xml
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<uses-permission android:name="android.permission.READ_PHONE_STATE"/> |
… 続きを読む