android-35/android/app/NativeActivity.java - platform/prebuilts/fullsdk/sources - Git at Google

 /*
  * Copyright (C) 2010 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package android.app;

 import android.compat.annotation.UnsupportedAppUsage;
 import android.content.Context;
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.content.res.AssetManager;
 import android.content.res.Configuration;
 import android.graphics.PixelFormat;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Looper;
 import android.os.MessageQueue;
 import android.util.AttributeSet;
 import android.view.InputQueue;
 import android.view.Surface;
 import android.view.SurfaceHolder;
 import android.view.View;
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
 import android.view.WindowManager;
 import android.view.inputmethod.InputMethodManager;

 import dalvik.system.BaseDexClassLoader;

 import java.io.File;

 /**
  * Convenience for implementing an activity that will be implemented
  * purely in native code.  That is, a game (or game-like thing).  There
  * is no need to derive from this class; you can simply declare it in your
  * manifest, and use the NDK APIs from there.
  *
  * <p>A <a href="https://github.com/googlesamples/android-ndk/tree/master/native-activity">sample
  * native activity</a> is available in the NDK samples.
  */
 public class NativeActivity extends Activity implements SurfaceHolder.Callback2,
         InputQueue.Callback, OnGlobalLayoutListener {
     /**
      * Optional meta-that can be in the manifest for this component, specifying
      * the name of the native shared library to load.  If not specified,
      * "main" is used.
      */
     public static final String META_DATA_LIB_NAME = "android.app.lib_name";

     /**
      * Optional meta-that can be in the manifest for this component, specifying
      * the name of the main entry point for this native activity in the
      * {@link #META_DATA_LIB_NAME} native code.  If not specified,
      * "ANativeActivity_onCreate" is used.
      */
     public static final String META_DATA_FUNC_NAME = "android.app.func_name";

     private static final String KEY_NATIVE_SAVED_STATE = "android:native_state";

     private NativeContentView mNativeContentView;
     private InputMethodManager mIMM;

     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private long mNativeHandle;

     private InputQueue mCurInputQueue;
     private SurfaceHolder mCurSurfaceHolder;

     final int[] mLocation = new int[2];
     int mLastContentX;
     int mLastContentY;
     int mLastContentWidth;
     int mLastContentHeight;

     private boolean mDispatchingUnhandledKey;

     private boolean mDestroyed;

     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     private native long loadNativeCode(String path, String funcname, MessageQueue queue,
             String internalDataPath, String obbPath, String externalDataPath, int sdkVersion,
             AssetManager assetMgr, byte[] savedState, ClassLoader classLoader, String libraryPath);
     private native String getDlError();
     private native void unloadNativeCode(long handle);
     private native void onStartNative(long handle);
     private native void onResumeNative(long handle);
     private native byte[] onSaveInstanceStateNative(long handle);
     private native void onPauseNative(long handle);
     private native void onStopNative(long handle);
     private native void onConfigurationChangedNative(long handle);
     private native void onLowMemoryNative(long handle);
     private native void onWindowFocusChangedNative(long handle, boolean focused);
     private native void onSurfaceCreatedNative(long handle, Surface surface);
     private native void onSurfaceChangedNative(long handle, Surface surface,
             int format, int width, int height);
     private native void onSurfaceRedrawNeededNative(long handle, Surface surface);
     private native void onSurfaceDestroyedNative(long handle);
     private native void onInputQueueCreatedNative(long handle, long queuePtr);
     private native void onInputQueueDestroyedNative(long handle, long queuePtr);
     private native void onContentRectChangedNative(long handle, int x, int y, int w, int h);

     static class NativeContentView extends View {
         NativeActivity mActivity;

         public NativeContentView(Context context) {
             super(context);
         }

         public NativeContentView(Context context, AttributeSet attrs) {
             super(context, attrs);
         }
     }

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         String libname = "main";
         String funcname = "ANativeActivity_onCreate";
         ActivityInfo ai;

         mIMM = getSystemService(InputMethodManager.class);

         getWindow().takeSurface(this);
         getWindow().takeInputQueue(this);
         getWindow().setFormat(PixelFormat.RGB_565);
         getWindow().setSoftInputMode(
                 WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED
                 | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);

         mNativeContentView = new NativeContentView(this);
         mNativeContentView.mActivity = this;
         setContentView(mNativeContentView);
         mNativeContentView.requestFocus();
         mNativeContentView.getViewTreeObserver().addOnGlobalLayoutListener(this);

         try {
             ai = getPackageManager().getActivityInfo(
                     getIntent().getComponent(), PackageManager.GET_META_DATA);
             if (ai.metaData != null) {
                 String ln = ai.metaData.getString(META_DATA_LIB_NAME);
                 if (ln != null) libname = ln;
                 ln = ai.metaData.getString(META_DATA_FUNC_NAME);
                 if (ln != null) funcname = ln;
             }
         } catch (PackageManager.NameNotFoundException e) {
             throw new RuntimeException("Error getting activity info", e);
         }

         BaseDexClassLoader classLoader = (BaseDexClassLoader) getClassLoader();
         String path = classLoader.findLibrary(libname);

         if (path == null) {
             throw new IllegalArgumentException("Unable to find native library " + libname +
                                                " using classloader: " + classLoader.toString());
         }

         byte[] nativeSavedState = savedInstanceState != null
                 ? savedInstanceState.getByteArray(KEY_NATIVE_SAVED_STATE) : null;

         mNativeHandle = loadNativeCode(path, funcname, Looper.myQueue(),
                 getAbsolutePath(getFilesDir()), getAbsolutePath(getObbDir()),
                 getAbsolutePath(getExternalFilesDir(null)),
                 Build.VERSION.SDK_INT, getAssets(), nativeSavedState,
                 classLoader, classLoader.getLdLibraryPath());

         if (mNativeHandle == 0) {
             throw new UnsatisfiedLinkError(
                     "Unable to load native library \"" + path + "\": " + getDlError());
         }
         super.onCreate(savedInstanceState);
     }

     private static String getAbsolutePath(File file) {
         return (file != null) ? file.getAbsolutePath() : null;
     }

     @Override
     protected void onDestroy() {
         mDestroyed = true;
         if (mCurSurfaceHolder != null) {
             onSurfaceDestroyedNative(mNativeHandle);
             mCurSurfaceHolder = null;
         }
         if (mCurInputQueue != null) {
             onInputQueueDestroyedNative(mNativeHandle, mCurInputQueue.getNativePtr());
             mCurInputQueue = null;
         }
         unloadNativeCode(mNativeHandle);
         super.onDestroy();
     }

     @Override
     protected void onPause() {
         super.onPause();
         onPauseNative(mNativeHandle);
     }

     @Override
     protected void onResume() {
         super.onResume();
         onResumeNative(mNativeHandle);
     }

     @Override
     protected void onSaveInstanceState(Bundle outState) {
         super.onSaveInstanceState(outState);
         byte[] state = onSaveInstanceStateNative(mNativeHandle);
         if (state != null) {
             outState.putByteArray(KEY_NATIVE_SAVED_STATE, state);
         }
     }

     @Override
     protected void onStart() {
         super.onStart();
         onStartNative(mNativeHandle);
     }

     @Override
     protected void onStop() {
         super.onStop();
         onStopNative(mNativeHandle);
     }

     @Override
     public void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
         if (!mDestroyed) {
             onConfigurationChangedNative(mNativeHandle);
         }
     }

     @Override
     public void onLowMemory() {
         super.onLowMemory();
         if (!mDestroyed) {
             onLowMemoryNative(mNativeHandle);
         }
     }

     @Override
     public void onWindowFocusChanged(boolean hasFocus) {
         super.onWindowFocusChanged(hasFocus);
         if (!mDestroyed) {
             onWindowFocusChangedNative(mNativeHandle, hasFocus);
         }
     }

     public void surfaceCreated(SurfaceHolder holder) {
         if (!mDestroyed) {
             mCurSurfaceHolder = holder;
             onSurfaceCreatedNative(mNativeHandle, holder.getSurface());
         }
     }

     public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
         if (!mDestroyed) {
             mCurSurfaceHolder = holder;
             onSurfaceChangedNative(mNativeHandle, holder.getSurface(), format, width, height);
         }
     }

     public void surfaceRedrawNeeded(SurfaceHolder holder) {
         if (!mDestroyed) {
             mCurSurfaceHolder = holder;
             onSurfaceRedrawNeededNative(mNativeHandle, holder.getSurface());
         }
     }

     public void surfaceDestroyed(SurfaceHolder holder) {
         mCurSurfaceHolder = null;
         if (!mDestroyed) {
             onSurfaceDestroyedNative(mNativeHandle);
         }
     }

     public void onInputQueueCreated(InputQueue queue) {
         if (!mDestroyed) {
             mCurInputQueue = queue;
             onInputQueueCreatedNative(mNativeHandle, queue.getNativePtr());
         }
     }

     public void onInputQueueDestroyed(InputQueue queue) {
         if (!mDestroyed) {
             onInputQueueDestroyedNative(mNativeHandle, queue.getNativePtr());
             mCurInputQueue = null;
         }
     }

     public void onGlobalLayout() {
         mNativeContentView.getLocationInWindow(mLocation);
         int w = mNativeContentView.getWidth();
         int h = mNativeContentView.getHeight();
         if (mLocation[0] != mLastContentX || mLocation[1] != mLastContentY
                 || w != mLastContentWidth || h != mLastContentHeight) {
             mLastContentX = mLocation[0];
             mLastContentY = mLocation[1];
             mLastContentWidth = w;
             mLastContentHeight = h;
             if (!mDestroyed) {
                 onContentRectChangedNative(mNativeHandle, mLastContentX,
                         mLastContentY, mLastContentWidth, mLastContentHeight);
             }
         }
     }

     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     void setWindowFlags(int flags, int mask) {
         getWindow().setFlags(flags, mask);
     }

     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     void setWindowFormat(int format) {
         getWindow().setFormat(format);
     }

     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     void showIme(int mode) {
         mIMM.showSoftInput(mNativeContentView, mode);
     }

     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
     void hideIme(int mode) {
         mIMM.hideSoftInputFromWindow(mNativeContentView.getWindowToken(), mode);
     }
 }
	/*
	* Copyright (C) 2010 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package android.app;

	import android.compat.annotation.UnsupportedAppUsage;
	import android.content.Context;
	import android.content.pm.ActivityInfo;
	import android.content.pm.PackageManager;
	import android.content.res.AssetManager;
	import android.content.res.Configuration;
	import android.graphics.PixelFormat;
	import android.os.Build;
	import android.os.Bundle;
	import android.os.Looper;
	import android.os.MessageQueue;
	import android.util.AttributeSet;
	import android.view.InputQueue;
	import android.view.Surface;
	import android.view.SurfaceHolder;
	import android.view.View;
	import android.view.ViewTreeObserver.OnGlobalLayoutListener;
	import android.view.WindowManager;
	import android.view.inputmethod.InputMethodManager;

	import dalvik.system.BaseDexClassLoader;

	import java.io.File;

	/**
	* Convenience for implementing an activity that will be implemented
	* purely in native code. That is, a game (or game-like thing). There
	* is no need to derive from this class; you can simply declare it in your
	* manifest, and use the NDK APIs from there.
	*
	* <p>A <a href="https://github.com/googlesamples/android-ndk/tree/master/native-activity">sample
	* native activity</a> is available in the NDK samples.
	*/
	public class NativeActivity extends Activity implements SurfaceHolder.Callback2,
	InputQueue.Callback, OnGlobalLayoutListener {
	/**
	* Optional meta-that can be in the manifest for this component, specifying
	* the name of the native shared library to load. If not specified,
	* "main" is used.
	*/
	public static final String META_DATA_LIB_NAME = "android.app.lib_name";

	/**
	* Optional meta-that can be in the manifest for this component, specifying
	* the name of the main entry point for this native activity in the
	* {@link #META_DATA_LIB_NAME} native code. If not specified,
	* "ANativeActivity_onCreate" is used.
	*/
	public static final String META_DATA_FUNC_NAME = "android.app.func_name";

	private static final String KEY_NATIVE_SAVED_STATE = "android:native_state";

	private NativeContentView mNativeContentView;
	private InputMethodManager mIMM;

	@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
	private long mNativeHandle;

	private InputQueue mCurInputQueue;
	private SurfaceHolder mCurSurfaceHolder;

	final int[] mLocation = new int[2];
	int mLastContentX;
	int mLastContentY;
	int mLastContentWidth;
	int mLastContentHeight;

	private boolean mDispatchingUnhandledKey;

	private boolean mDestroyed;

	@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
	private native long loadNativeCode(String path, String funcname, MessageQueue queue,
	String internalDataPath, String obbPath, String externalDataPath, int sdkVersion,
	AssetManager assetMgr, byte[] savedState, ClassLoader classLoader, String libraryPath);
	private native String getDlError();
	private native void unloadNativeCode(long handle);
	private native void onStartNative(long handle);
	private native void onResumeNative(long handle);
	private native byte[] onSaveInstanceStateNative(long handle);
	private native void onPauseNative(long handle);
	private native void onStopNative(long handle);
	private native void onConfigurationChangedNative(long handle);
	private native void onLowMemoryNative(long handle);
	private native void onWindowFocusChangedNative(long handle, boolean focused);
	private native void onSurfaceCreatedNative(long handle, Surface surface);
	private native void onSurfaceChangedNative(long handle, Surface surface,
	int format, int width, int height);
	private native void onSurfaceRedrawNeededNative(long handle, Surface surface);
	private native void onSurfaceDestroyedNative(long handle);
	private native void onInputQueueCreatedNative(long handle, long queuePtr);
	private native void onInputQueueDestroyedNative(long handle, long queuePtr);
	private native void onContentRectChangedNative(long handle, int x, int y, int w, int h);

	static class NativeContentView extends View {
	NativeActivity mActivity;

	public NativeContentView(Context context) {
	super(context);
	}

	public NativeContentView(Context context, AttributeSet attrs) {
	super(context, attrs);
	}
	}

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	String libname = "main";
	String funcname = "ANativeActivity_onCreate";
	ActivityInfo ai;

	mIMM = getSystemService(InputMethodManager.class);

	getWindow().takeSurface(this);
	getWindow().takeInputQueue(this);
	getWindow().setFormat(PixelFormat.RGB_565);
	getWindow().setSoftInputMode(
	WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED
	\| WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);

	mNativeContentView = new NativeContentView(this);
	mNativeContentView.mActivity = this;
	setContentView(mNativeContentView);
	mNativeContentView.requestFocus();
	mNativeContentView.getViewTreeObserver().addOnGlobalLayoutListener(this);

	try {
	ai = getPackageManager().getActivityInfo(
	getIntent().getComponent(), PackageManager.GET_META_DATA);
	if (ai.metaData != null) {
	String ln = ai.metaData.getString(META_DATA_LIB_NAME);
	if (ln != null) libname = ln;
	ln = ai.metaData.getString(META_DATA_FUNC_NAME);
	if (ln != null) funcname = ln;
	}
	} catch (PackageManager.NameNotFoundException e) {
	throw new RuntimeException("Error getting activity info", e);
	}

	BaseDexClassLoader classLoader = (BaseDexClassLoader) getClassLoader();
	String path = classLoader.findLibrary(libname);

	if (path == null) {
	throw new IllegalArgumentException("Unable to find native library " + libname +
	" using classloader: " + classLoader.toString());
	}

	byte[] nativeSavedState = savedInstanceState != null
	? savedInstanceState.getByteArray(KEY_NATIVE_SAVED_STATE) : null;

	mNativeHandle = loadNativeCode(path, funcname, Looper.myQueue(),
	getAbsolutePath(getFilesDir()), getAbsolutePath(getObbDir()),
	getAbsolutePath(getExternalFilesDir(null)),
	Build.VERSION.SDK_INT, getAssets(), nativeSavedState,
	classLoader, classLoader.getLdLibraryPath());

	if (mNativeHandle == 0) {
	throw new UnsatisfiedLinkError(
	"Unable to load native library \"" + path + "\": " + getDlError());
	}
	super.onCreate(savedInstanceState);
	}

	private static String getAbsolutePath(File file) {
	return (file != null) ? file.getAbsolutePath() : null;
	}

	@Override
	protected void onDestroy() {
	mDestroyed = true;
	if (mCurSurfaceHolder != null) {
	onSurfaceDestroyedNative(mNativeHandle);
	mCurSurfaceHolder = null;
	}
	if (mCurInputQueue != null) {
	onInputQueueDestroyedNative(mNativeHandle, mCurInputQueue.getNativePtr());
	mCurInputQueue = null;
	}
	unloadNativeCode(mNativeHandle);
	super.onDestroy();
	}

	@Override
	protected void onPause() {
	super.onPause();
	onPauseNative(mNativeHandle);
	}

	@Override
	protected void onResume() {
	super.onResume();
	onResumeNative(mNativeHandle);
	}

	@Override
	protected void onSaveInstanceState(Bundle outState) {
	super.onSaveInstanceState(outState);
	byte[] state = onSaveInstanceStateNative(mNativeHandle);
	if (state != null) {
	outState.putByteArray(KEY_NATIVE_SAVED_STATE, state);
	}
	}

	@Override
	protected void onStart() {
	super.onStart();
	onStartNative(mNativeHandle);
	}

	@Override
	protected void onStop() {
	super.onStop();
	onStopNative(mNativeHandle);
	}

	@Override
	public void onConfigurationChanged(Configuration newConfig) {
	super.onConfigurationChanged(newConfig);
	if (!mDestroyed) {
	onConfigurationChangedNative(mNativeHandle);
	}
	}

	@Override
	public void onLowMemory() {
	super.onLowMemory();
	if (!mDestroyed) {
	onLowMemoryNative(mNativeHandle);
	}
	}

	@Override
	public void onWindowFocusChanged(boolean hasFocus) {
	super.onWindowFocusChanged(hasFocus);
	if (!mDestroyed) {
	onWindowFocusChangedNative(mNativeHandle, hasFocus);
	}
	}

	public void surfaceCreated(SurfaceHolder holder) {
	if (!mDestroyed) {
	mCurSurfaceHolder = holder;
	onSurfaceCreatedNative(mNativeHandle, holder.getSurface());
	}
	}

	public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
	if (!mDestroyed) {
	mCurSurfaceHolder = holder;
	onSurfaceChangedNative(mNativeHandle, holder.getSurface(), format, width, height);
	}
	}

	public void surfaceRedrawNeeded(SurfaceHolder holder) {
	if (!mDestroyed) {
	mCurSurfaceHolder = holder;
	onSurfaceRedrawNeededNative(mNativeHandle, holder.getSurface());
	}
	}

	public void surfaceDestroyed(SurfaceHolder holder) {
	mCurSurfaceHolder = null;
	if (!mDestroyed) {
	onSurfaceDestroyedNative(mNativeHandle);
	}
	}

	public void onInputQueueCreated(InputQueue queue) {
	if (!mDestroyed) {
	mCurInputQueue = queue;
	onInputQueueCreatedNative(mNativeHandle, queue.getNativePtr());
	}
	}

	public void onInputQueueDestroyed(InputQueue queue) {
	if (!mDestroyed) {
	onInputQueueDestroyedNative(mNativeHandle, queue.getNativePtr());
	mCurInputQueue = null;
	}
	}

	public void onGlobalLayout() {
	mNativeContentView.getLocationInWindow(mLocation);
	int w = mNativeContentView.getWidth();
	int h = mNativeContentView.getHeight();
	if (mLocation[0] != mLastContentX \|\| mLocation[1] != mLastContentY
	\|\| w != mLastContentWidth \|\| h != mLastContentHeight) {
	mLastContentX = mLocation[0];
	mLastContentY = mLocation[1];
	mLastContentWidth = w;
	mLastContentHeight = h;
	if (!mDestroyed) {
	onContentRectChangedNative(mNativeHandle, mLastContentX,
	mLastContentY, mLastContentWidth, mLastContentHeight);
	}
	}
	}

	@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
	void setWindowFlags(int flags, int mask) {
	getWindow().setFlags(flags, mask);
	}

	@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
	void setWindowFormat(int format) {
	getWindow().setFormat(format);
	}

	@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
	void showIme(int mode) {
	mIMM.showSoftInput(mNativeContentView, mode);
	}

	@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
	void hideIme(int mode) {
	mIMM.hideSoftInputFromWindow(mNativeContentView.getWindowToken(), mode);
	}
	}