338 lines
12 KiB
Java
338 lines
12 KiB
Java
/*
|
|
* 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);
|
|
}
|
|
}
|