refactor(lifecycle): enhance lifecycle management

osfans · Oct 23, 2021 · a4290fa · a4290fa
1 parent cd018f8
commit a4290fa
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Showing 4 changed files with 72 additions and 5 deletions.
diff --git a/app/src/main/java/com/osfans/trime/ime/core/Trime.java b/app/src/main/java/com/osfans/trime/ime/core/Trime.java
@@ -71,6 +71,7 @@
 import com.osfans.trime.ime.keyboard.Keyboard;
 import com.osfans.trime.ime.keyboard.KeyboardSwitcher;
 import com.osfans.trime.ime.keyboard.KeyboardView;
+import com.osfans.trime.ime.lifecycle.LifecycleInputMethodService;
 import com.osfans.trime.ime.symbol.LiquidKeyboard;
 import com.osfans.trime.ime.symbol.TabManager;
 import com.osfans.trime.ime.symbol.TabView;
@@ -92,7 +93,7 @@
 import timber.log.Timber;
 
 /** {@link InputMethodService 輸入法}主程序 */
-public class Trime extends InputMethodService
+public class Trime extends LifecycleInputMethodService
     implements KeyboardView.OnKeyboardActionListener, Candidate.EventListener {
   private static Trime self = null;
   private LiquidKeyboard liquidKeyboard;

diff --git a/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardView.java b/app/src/main/java/com/osfans/trime/ime/keyboard/KeyboardView.java
@@ -42,22 +42,35 @@
 import android.view.ViewGroup;
 import android.widget.PopupWindow;
 import android.widget.TextView;
+
 import androidx.annotation.NonNull;
+
 import com.osfans.trime.R;
 import com.osfans.trime.databinding.KeyboardKeyPreviewBinding;
 import com.osfans.trime.ime.core.Preferences;
 import com.osfans.trime.ime.enums.KeyEventType;
+import com.osfans.trime.ime.lifecycle.CoroutineScopeJava;
 import com.osfans.trime.setup.Config;
 import com.osfans.trime.util.LeakGuardHandlerWrapper;
+
 import java.lang.reflect.Method;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+
+import kotlin.coroutines.CoroutineContext;
+import kotlinx.coroutines.CoroutineScope;
 import timber.log.Timber;
 
 /** 顯示{@link Keyboard 鍵盤}及{@link Key 按鍵} */
-public class KeyboardView extends View implements View.OnClickListener {
+public class KeyboardView extends View implements View.OnClickListener, CoroutineScope {
+
+  @NonNull
+  @Override
+  public CoroutineContext getCoroutineContext() {
+    return CoroutineScopeJava.getMainScopeJava().getCoroutineContext();
+  }
 
   /** 處理按鍵、觸摸等輸入事件 */
   public interface OnKeyboardActionListener {
@@ -342,7 +355,7 @@ public KeyboardView(final Context context, final AttributeSet attrs) {
     try {
       findStateDrawableIndex =
           StateListDrawable.class.getMethod(
-              Build.VERSION.SDK_INT + Build.VERSION.PREVIEW_SDK_INT >= Build.VERSION_CODES.Q
+              Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q
                   ? "findStateDrawableIndex"
                   : "getStateDrawableIndex",
               int[].class);
@@ -426,8 +439,7 @@ public boolean onFling(
                 } else if ((deltaY > travel || velocityY > mSwipeThreshold) && absX < absY) {
                   if (mDisambiguateSwipe && endingVelocityY < velocityY / 4) {
                     Timber.d(
-                        "swipeDebug.onFling sendDownKey, dY=%f, vY=%f, eVY=%f, travel=%d, mSwipeThreshold="
-                            + mSwipeThreshold,
+                        "swipeDebug.onFling sendDownKey, dY=%f, vY=%f, eVY=%f, travel=%d, mSwipeThreshold=%s", mSwipeThreshold,
                         deltaY,
                         velocityY,
                         endingVelocityY,

diff --git a/app/src/main/java/com/osfans/trime/ime/lifecycle/CoroutineScopeJava.kt b/app/src/main/java/com/osfans/trime/ime/lifecycle/CoroutineScopeJava.kt
@@ -0,0 +1,9 @@
+package com.osfans.trime.ime.lifecycle
+
+import kotlinx.coroutines.MainScope
+
+object CoroutineScopeJava {
+    @JvmStatic
+    val MainScopeJava
+        get() = MainScope()
+}
diff --git a/app/src/main/java/com/osfans/trime/ime/lifecycle/LifecycleInputMethodService.kt b/app/src/main/java/com/osfans/trime/ime/lifecycle/LifecycleInputMethodService.kt
@@ -0,0 +1,45 @@
+package com.osfans.trime.ime.lifecycle
+
+import android.inputmethodservice.InputMethodService
+import android.view.View
+import androidx.annotation.CallSuper
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.coroutineScope
+import androidx.lifecycle.LifecycleOwner
+import androidx.lifecycle.LifecycleRegistry
+import androidx.lifecycle.ViewTreeLifecycleOwner
+import kotlinx.coroutines.CoroutineScope
+
+open class LifecycleInputMethodService: InputMethodService(),
+    LifecycleOwner
+{
+    private val lifecycleRegistry by lazy { LifecycleRegistry(this) }
+
+    val uiScope: CoroutineScope
+        get() = lifecycle.coroutineScope
+
+    final override fun getLifecycle(): Lifecycle {
+        return lifecycleRegistry
+    }
+
+    @CallSuper
+    override fun onCreate() {
+        super.onCreate()
+        lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_CREATE)
+        lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_START)
+    }
+
+    @CallSuper
+    override fun onCreateInputView(): View? {
+        val decorView = window!!.window!!.decorView
+        ViewTreeLifecycleOwner.set(decorView, this)
+        return null
+    }
+
+    @CallSuper
+    override fun onDestroy() {
+        super.onDestroy()
+        lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_STOP)
+        lifecycleRegistry.handleLifecycleEvent(Lifecycle.Event.ON_DESTROY)
+    }
+}