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Adds the ability to not have an activity on Android

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That code allows for not having an activity on Android.
In my case I've made some java code to handle an Android service.
The code is mainly about not dereferencing null pointers.

Change-Id: Ia7fda03cbbc55e6afeacd928445a4b72b51c679e
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
This commit is contained in:
Thierry Bastian 2014-01-21 11:09:14 +01:00 committed by The Qt Project
parent 35579f6fe7
commit 4c173e96c1
1 changed files with 42 additions and 30 deletions
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72
src/plugins/platforms/android/androidjnimain.cpp
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@ -241,6 +241,9 @@ namespace QtAndroid
jobject createBitmap(QImage img, JNIEnv *env) jobject createBitmap(QImage img, JNIEnv *env)
{ {
if (!m_bitmapClass)
return 0;
if (img.format() != QImage::Format_RGBA8888 && img.format() != QImage::Format_RGB16) if (img.format() != QImage::Format_RGBA8888 && img.format() != QImage::Format_RGB16)
img = img.convertToFormat(QImage::Format_RGBA8888); img = img.convertToFormat(QImage::Format_RGBA8888);
@ -298,7 +301,7 @@ namespace QtAndroid
jobject createBitmapDrawable(jobject bitmap, JNIEnv *env) jobject createBitmapDrawable(jobject bitmap, JNIEnv *env)
{ {
if (!bitmap) if (!bitmap || !m_bitmapDrawableClass || !m_resourcesObj)
return 0; return 0;
return env->NewObject(m_bitmapDrawableClass, return env->NewObject(m_bitmapDrawableClass,
@ -476,12 +479,18 @@ static void terminateQt(JNIEnv *env, jclass /*clazz*/)
{ {
env->DeleteGlobalRef(m_applicationClass); env->DeleteGlobalRef(m_applicationClass);
env->DeleteGlobalRef(m_classLoaderObject); env->DeleteGlobalRef(m_classLoaderObject);
env->DeleteGlobalRef(m_resourcesObj); if (m_resourcesObj)
env->DeleteGlobalRef(m_activityObject); env->DeleteGlobalRef(m_resourcesObj);
env->DeleteGlobalRef(m_bitmapClass); if (m_activityObject)
env->DeleteGlobalRef(m_ARGB_8888_BitmapConfigValue); env->DeleteGlobalRef(m_activityObject);
env->DeleteGlobalRef(m_RGB_565_BitmapConfigValue); if (m_bitmapClass)
env->DeleteGlobalRef(m_bitmapDrawableClass); env->DeleteGlobalRef(m_bitmapClass);
if (m_ARGB_8888_BitmapConfigValue)
env->DeleteGlobalRef(m_ARGB_8888_BitmapConfigValue);
if (m_RGB_565_BitmapConfigValue)
env->DeleteGlobalRef(m_RGB_565_BitmapConfigValue);
if (m_bitmapDrawableClass)
env->DeleteGlobalRef(m_bitmapDrawableClass);
m_androidPlatformIntegration = 0; m_androidPlatformIntegration = 0;
delete m_androidAssetsFileEngineHandler; delete m_androidAssetsFileEngineHandler;
} }
@ -640,38 +649,41 @@ static int registerNatives(JNIEnv *env)
jmethodID methodID; jmethodID methodID;
GET_AND_CHECK_STATIC_METHOD(methodID, m_applicationClass, "activity", "()Landroid/app/Activity;"); GET_AND_CHECK_STATIC_METHOD(methodID, m_applicationClass, "activity", "()Landroid/app/Activity;");
jobject activityObject = env->CallStaticObjectMethod(m_applicationClass, methodID); jobject activityObject = env->CallStaticObjectMethod(m_applicationClass, methodID);
m_activityObject = env->NewGlobalRef(activityObject);
GET_AND_CHECK_STATIC_METHOD(methodID, m_applicationClass, "classLoader", "()Ljava/lang/ClassLoader;"); GET_AND_CHECK_STATIC_METHOD(methodID, m_applicationClass, "classLoader", "()Ljava/lang/ClassLoader;");
m_classLoaderObject = env->NewGlobalRef(env->CallStaticObjectMethod(m_applicationClass, methodID)); m_classLoaderObject = env->NewGlobalRef(env->CallStaticObjectMethod(m_applicationClass, methodID));
clazz = env->GetObjectClass(m_classLoaderObject); clazz = env->GetObjectClass(m_classLoaderObject);
GET_AND_CHECK_METHOD(m_loadClassMethodID, clazz, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;"); GET_AND_CHECK_METHOD(m_loadClassMethodID, clazz, "loadClass", "(Ljava/lang/String;)Ljava/lang/Class;");
FIND_AND_CHECK_CLASS("android/content/ContextWrapper"); if (activityObject) {
GET_AND_CHECK_METHOD(methodID, clazz, "getAssets", "()Landroid/content/res/AssetManager;"); m_activityObject = env->NewGlobalRef(activityObject);
m_assetManager = AAssetManager_fromJava(env, env->CallObjectMethod(activityObject, methodID));
GET_AND_CHECK_METHOD(methodID, clazz, "getResources", "()Landroid/content/res/Resources;"); FIND_AND_CHECK_CLASS("android/content/ContextWrapper");
m_resourcesObj = env->NewGlobalRef(env->CallObjectMethod(activityObject, methodID)); GET_AND_CHECK_METHOD(methodID, clazz, "getAssets", "()Landroid/content/res/AssetManager;");
m_assetManager = AAssetManager_fromJava(env, env->CallObjectMethod(activityObject, methodID));
FIND_AND_CHECK_CLASS("android/graphics/Bitmap"); GET_AND_CHECK_METHOD(methodID, clazz, "getResources", "()Landroid/content/res/Resources;");
m_bitmapClass = static_cast<jclass>(env->NewGlobalRef(clazz)); m_resourcesObj = env->NewGlobalRef(env->CallObjectMethod(activityObject, methodID));
GET_AND_CHECK_STATIC_METHOD(m_createBitmapMethodID, m_bitmapClass
, "createBitmap", "(IILandroid/graphics/Bitmap$Config;)Landroid/graphics/Bitmap;"); FIND_AND_CHECK_CLASS("android/graphics/Bitmap");
m_bitmapClass = static_cast<jclass>(env->NewGlobalRef(clazz));
GET_AND_CHECK_STATIC_METHOD(m_createBitmapMethodID, m_bitmapClass
, "createBitmap", "(IILandroid/graphics/Bitmap$Config;)Landroid/graphics/Bitmap;");
FIND_AND_CHECK_CLASS("android/graphics/Bitmap$Config");
jfieldID fieldId;
GET_AND_CHECK_STATIC_FIELD(fieldId, clazz, "ARGB_8888", "Landroid/graphics/Bitmap$Config;");
m_ARGB_8888_BitmapConfigValue = env->NewGlobalRef(env->GetStaticObjectField(clazz, fieldId));
GET_AND_CHECK_STATIC_FIELD(fieldId, clazz, "RGB_565", "Landroid/graphics/Bitmap$Config;");
m_RGB_565_BitmapConfigValue = env->NewGlobalRef(env->GetStaticObjectField(clazz, fieldId));
FIND_AND_CHECK_CLASS("android/graphics/drawable/BitmapDrawable");
m_bitmapDrawableClass = static_cast<jclass>(env->NewGlobalRef(clazz));
GET_AND_CHECK_METHOD(m_bitmapDrawableConstructorMethodID,
m_bitmapDrawableClass,
"<init>",
"(Landroid/content/res/Resources;Landroid/graphics/Bitmap;)V");
}
FIND_AND_CHECK_CLASS("android/graphics/Bitmap$Config");
jfieldID fieldId;
GET_AND_CHECK_STATIC_FIELD(fieldId, clazz, "ARGB_8888", "Landroid/graphics/Bitmap$Config;");
m_ARGB_8888_BitmapConfigValue = env->NewGlobalRef(env->GetStaticObjectField(clazz, fieldId));
GET_AND_CHECK_STATIC_FIELD(fieldId, clazz, "RGB_565", "Landroid/graphics/Bitmap$Config;");
m_RGB_565_BitmapConfigValue = env->NewGlobalRef(env->GetStaticObjectField(clazz, fieldId));
FIND_AND_CHECK_CLASS("android/graphics/drawable/BitmapDrawable");
m_bitmapDrawableClass = static_cast<jclass>(env->NewGlobalRef(clazz));
GET_AND_CHECK_METHOD(m_bitmapDrawableConstructorMethodID,
m_bitmapDrawableClass,
"<init>",
"(Landroid/content/res/Resources;Landroid/graphics/Bitmap;)V");
return JNI_TRUE; return JNI_TRUE;
} }