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Add gioui.org/permission/bluetooth and EnableBluetooth() function.

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This commit is contained in:
Greg 2019-10-30 12:09:16 -04:00
parent 820186e132
commit 4e4c071697
2 changed files with 41 additions and 7 deletions
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1
ble_android.go
View File

@ -3,6 +3,7 @@ package ble
import ( import (
"log" "log"
"gioui.org/app" "gioui.org/app"
_ "gioui.org/permission/bluetooth"
) )
/* /*

47
jni_android.go
View File

@ -27,6 +27,42 @@ SetLoader(JNIEnv* env, jobject context) {
gFindClassMethod = (*env)->GetMethodID(env, lclass, "findClass", "(Ljava/lang/String;)Ljava/lang/Class;"); gFindClassMethod = (*env)->GetMethodID(env, lclass, "findClass", "(Ljava/lang/String;)Ljava/lang/Class;");
} }
jclass
FindClass(JNIEnv* env, char* name) {
jstring strClassName = (*env)->NewStringUTF(env, name);
return (*env)->CallObjectMethod(env, gClassLoader, gFindClassMethod, strClassName);
}
void
EnableBluetooth(JNIEnv* env, jobject ctx, jobject ad) {
__android_log_write(ANDROID_LOG_DEBUG, "gio", "Finding BleUtil");
jclass cls = FindClass(env, "st/wow/git/ble/BleUtil");
if (cls == NULL) {
__android_log_write(ANDROID_LOG_DEBUG, "gio", "not found");
return;
}
__android_log_write(ANDROID_LOG_DEBUG, "gio", "getting <init>");
jmethodID mid = (*env)->GetMethodID(env, cls, "<init>", "()V");
if (mid == NULL) {
__android_log_write(ANDROID_LOG_DEBUG, "gio", "not found");
return;
}
__android_log_write(ANDROID_LOG_DEBUG, "gio", "calling NewObject");
jobject bleutil = (*env)->NewObject(env, cls, mid);
if (bleutil == NULL) {
__android_log_write(ANDROID_LOG_DEBUG, "gio", "failed");
return;
}
__android_log_write(ANDROID_LOG_DEBUG, "gio", "Getting Enable()");
mid = (*env)->GetMethodID(env, cls, "Enable", "(Landroid/content/Context;)V");
if (mid == NULL) {
__android_log_write(ANDROID_LOG_DEBUG, "gio", "failed");
return;
}
__android_log_write(ANDROID_LOG_DEBUG, "gio", "Calling Enable()");
(*env)->CallVoidMethod(env, bleutil, mid, ctx);
}
jobject jobject
GetBluetoothAdapter(JNIEnv* env, jobject ctx) { GetBluetoothAdapter(JNIEnv* env, jobject ctx) {
jclass cls = (*env)->GetObjectClass(env, ctx); jclass cls = (*env)->GetObjectClass(env, ctx);
@ -70,7 +106,10 @@ GetBluetoothAdapter(JNIEnv* env, jobject ctx) {
} else { } else {
__android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Found"); __android_log_write(ANDROID_LOG_DEBUG, "gio", "GetBluetoothAdapter(): Found");
} }
ad = (*env)->NewGlobalRef(env, ad); ad = (*env)->NewGlobalRef(env, ad);
EnableBluetooth(env, ctx, ad);
return ad; return ad;
} }
@ -89,12 +128,6 @@ GetObjectStaticStringField(JNIEnv* env, jobject obj, char* fld) {
return (jstring)(*env)->GetStaticObjectField(env, cls, id); return (jstring)(*env)->GetStaticObjectField(env, cls, id);
} }
jclass
FindClass(JNIEnv* env, char* name) {
jstring strClassName = (*env)->NewStringUTF(env, name);
return (*env)->CallObjectMethod(env, gClassLoader, gFindClassMethod, strClassName);
}
JNIEXPORT jobject JNIEXPORT jobject
CreateObject(JNIEnv* env, jclass cls) { CreateObject(JNIEnv* env, jclass cls) {
jmethodID init = (*env)->GetMethodID(env, cls, "<init>", "()V"); jmethodID init = (*env)->GetMethodID(env, cls, "<init>", "()V");
@ -178,7 +211,7 @@ func JniCallVoidMethod(env *C.JNIEnv, obj C.jobject, methodID C.jmethodID) {
} }
func JniCallBooleanMethod(env *C.JNIEnv, obj C.jobject, methodID C.jmethodID) bool { func JniCallBooleanMethod(env *C.JNIEnv, obj C.jobject, methodID C.jmethodID) bool {
return C.CallBooleanMethod(env, obj, methodID) == 0 return C.CallBooleanMethod(env, obj, methodID) == C.JNI_TRUE
} }
func JniCallIntMethod(env *C.JNIEnv, obj C.jobject, methodID C.jmethodID) int { func JniCallIntMethod(env *C.JNIEnv, obj C.jobject, methodID C.jmethodID) int {