I tried both codes on multiple phones each, and it still fails to open
the camera. Every time, even after a reboot.
On Feb 9, 12:31 am, v bobbywink <vvnevercha...@gmail.com> wrote:
> i change a little codes then test it in my phone. It works very well.
> Test it in your phone and if it don't work i have no idea
> Maybe u should test it in another phone.
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> public class LightTest extends Activity{
> String TAG = "tinyClark";
> boolean mIsFlashOpen;
> Camera mCamera;
>
> // Camera.Parameters CameraInfo;
>
> Button btn1;
> //Boolean lightToggle;
>
> @Override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
> btn1 = new Button(this);
> btn1.setOnClickListener(new View.OnClickListener() {
>
> @Override
> public void onClick(View v) {
> if(mIsFlashOpen == false){
> turnLightOn();
> }else{
> turnLightOff();
> }
> }
> });
> setContentView(btn1);
>
> }
>
> @Override
> public void onStop() {
> turnLightOff();
> if (null != mCamera) {
> mCamera.release();
> mCamera = null;
> }
> super.onStop();
> }
>
> private void turnLightOn() {
>
> if (false == mIsFlashOpen) {
> if (null == mCamera) {
> try {
> Log.e(TAG, "open");
> mCamera =
> Camera.open(CameraInfo.CAMERA_FACING_BACK);
> } catch (RuntimeException e) {
> try {
> Thread.sleep(500);
> Log.e(TAG, "second open");
> mCamera =
> Camera.open(CameraInfo.CAMERA_FACING_BACK);
> } catch (Exception sube) {
> Log.e(TAG, "fail to open
> camera");
> sube.printStackTrace();
> mCamera = null;
> }
> }
> }
> if (null != mCamera) {
> Parameters parameters = mCamera.getParameters();
> if (parameters == null) {
> return;
> }
> List<String> flashModes =
> parameters.getSupportedFlashModes();
> // Check if camera flash exists
> if (flashModes == null) {
> return;
> }
> String flashMode = parameters.getFlashMode();
> if
> (!Parameters.FLASH_MODE_TORCH.equals(flashMode)) {
> // Turn on the flash
> if
> (flashModes.contains(Parameters.FLASH_MODE_TORCH)) {
>
> parameters.setFlashMode(Parameters.FLASH_MODE_TORCH);
> mCamera.startPreview();
>
> mCamera.setParameters(parameters);
> mIsFlashOpen = true;
> // mRightBtn.setEnabled(true);
> } else {
> Log.e(TAG, "FLASH_MODE_TORCH
> not supported");
> }
> }
> }
> }
> }
>
> private void turnLightOff() {
> if (mIsFlashOpen) {
> mIsFlashOpen = false;
> if (mCamera == null) {
> return;
> }
> Parameters parameters = mCamera.getParameters();
> if (parameters == null) {
> return;
> }
> List<String> flashModes =
> parameters.getSupportedFlashModes();
> String flashMode = parameters.getFlashMode();
> // Check if camera flash exists
> if (flashModes == null) {
> return;
> }
> if (!Parameters.FLASH_MODE_OFF.equals(flashMode)) {
> // Turn off the flash
> if
> (flashModes.contains(Parameters.FLASH_MODE_OFF)) {
>
> parameters.setFlashMode(Parameters.FLASH_MODE_OFF);
> mCamera.setParameters(parameters);
> mCamera.stopPreview();
> } else {
> Log.e(TAG, "FLASH_MODE_OFF not
> supported");
> }
> }
> }
> }
>
> }
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> 2012/2/8 Matt Clark <mrclark32...@gmail.com>
>
>
>
>
>
>
>
> > package tinyClark.util.flashlite;
>
> > import java.util.List;
>
> > import android.app.Activity;
> > import android.hardware.Camera;
> > import android.hardware.Camera.CameraInfo;
> > import android.hardware.Camera.Parameters;
> > import android.os.Bundle;
> > import android.util.Log;
> > import android.view.View;
> > import android.widget.Button;
>
> > public class Master extends Activity {
>
> > String TAG = "tinyClark";
> > boolean mIsFlashOpen;
> > Camera mCamera;
>
> > // Camera.Parameters CameraInfo;
>
> > Button btn1;
> > Boolean lightToggle;
>
> > @Override
> > public void onCreate(Bundle savedInstanceState) {
> > super.onCreate(savedInstanceState);
>
> > btn1 = (Button)findViewById(R.id.btn1);
> > btn1.setOnClickListener(new View.OnClickListener() {
>
> > @Override
> > public void onClick(View v) {
> > if(lightToggle == false){
> > turnLightOn();
> > lightToggle = true;
> > }else{
> > turnLightOff();
> > lightToggle = false;
> > }
> > }
> > });
>
> > }
>
> > private void turnLightOn() {
>
> > if (false == mIsFlashOpen) {
> > if (null == mCamera) {
> > try {
> > Log.e(TAG, "open");
> > mCamera =
> > Camera.open(CameraInfo.CAMERA_FACING_BACK);
> > } catch (RuntimeException e) {
> > try {
> > Thread.sleep(500);
> > Log.e(TAG, "second open");
> > mCamera =
> > Camera.open(CameraInfo.CAMERA_FACING_BACK);
> > } catch (Exception sube) {
> > Log.e(TAG, "fail to open
> > camera");
> > sube.printStackTrace();
> > mCamera = null;
> > }
> > }
> > }
> > if (null != mCamera) {
> > Parameters parameters =
> > mCamera.getParameters();
> > if (parameters == null) {
> > return;
> > }
> > List<String> flashModes =
> > parameters.getSupportedFlashModes();
> > // Check if camera flash exists
> > if (flashModes == null) {
> > return;
> > }
> > String flashMode =
> > parameters.getFlashMode();
> > if
> > (!Parameters.FLASH_MODE_TORCH.equals(flashMode)) {
> > // Turn on the flash
> > if
> > (flashModes.contains(Parameters.FLASH_MODE_TORCH)) {
>
> > parameters.setFlashMode(Parameters.FLASH_MODE_TORCH);
> > mCamera.startPreview();
>
> > mCamera.setParameters(parameters);
> > //
> > mRightBtn.setEnabled(true);
> > } else {
> > Log.e(TAG,
> > "FLASH_MODE_TORCH not supported");
> > }
> > }
> > }
> > }
> > }
>
> > private void turnLightOff() {
> > if (mIsFlashOpen) {
> > mIsFlashOpen = false;
> > if (mCamera == null) {
> > return;
> > }
> > Parameters parameters = mCamera.getParameters();
> > if (parameters == null) {
> > return;
> > }
> > List<String> flashModes =
> > parameters.getSupportedFlashModes();
> > String flashMode = parameters.getFlashMode();
> > // Check if camera flash exists
> > if (flashModes == null) {
> > return;
> > }
> > if (!Parameters.FLASH_MODE_OFF.equals(flashMode)) {
> > // Turn off the flash
> > if
> > (flashModes.contains(Parameters.FLASH_MODE_OFF)) {
>
> ...
>
> read more »
--
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to android-developers@googlegroups.com
To unsubscribe from this group, send email to
android-developers+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en
