手电筒的打开与关闭,话不多说直接上代码
打开
onTorch() {
try {
var os = plus.os.name;
if ('iOS' == os) {
var device = plus.ios.invoke('AVCaptureDevice', 'defaultDeviceWithMediaType:', 'vide');
plus.ios.invoke(device, 'lockForConfiguration:', null);
plus.ios.invoke(device, 'setTorchMode:', 1);
plus.ios.invoke(device, 'setFlashMode:', 1);
plus.ios.invoke(device, 'unlockForConfiguration');
} else {
var main = plus.android.runtimeMainActivity();
var camera = main.getSystemService('camera');
var ids = plus.android.invoke(camera, 'getCameraIdList');
for (var i = 0; i < ids.length; i++) {
var c = plus.android.invoke(camera, 'getCameraCharacteristics', ids[i]);
var available = plus.android.invoke(c, 'get', plus.android.getAttribute(c,
'FLASH_INFO_AVAILABLE'));
var facing = plus.android.invoke(c, 'get', plus.android.getAttribute(c, 'LENS_FACING'));
if (null != available && available && null != facing && 1 == facing) {
plus.android.invoke(camera, 'setTorchMode', ids[i], true);
}
}
}
} catch (e) {
console.error('error @onTorch!!');
}
},
关闭
offTorch() {
try {
var os = plus.os.name;
if ('iOS' == os) {
var device = plus.ios.invoke('AVCaptureDevice', 'defaultDeviceWithMediaType:', 'vide');
plus.ios.invoke(device, 'lockForConfiguration:', null);
plus.ios.invoke(device, 'setTorchMode:', 0);
plus.ios.invoke(device, 'setFlashMode:', 0);
plus.ios.invoke(device, 'unlockForConfiguration');
} else {
var main = plus.android.runtimeMainActivity();
var camera = main.getSystemService('camera');
var ids = plus.android.invoke(camera, 'getCameraIdList');
for (var i = 0; i < ids.length; i++) {
var c = plus.android.invoke(camera, 'getCameraCharacteristics', ids[i]);
var available = plus.android.invoke(c, 'get', plus.android.getAttribute(c,
'FLASH_INFO_AVAILABLE'));
var facing = plus.android.invoke(c, 'get', plus.android.getAttribute(c, 'LENS_FACING'));
if (null != available && available && null != facing && 1 == facing) {
plus.android.invoke(camera, 'setTorchMode', ids[i], false);
}
}
}
} catch (e) {
console.error('error @offTorch!!');
}
}