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Code Issues Packages Projects Releases Wiki Activity

adding a widget

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This commit is contained in:
tibbi
2016-01-06 20:32:02 +01:00
parent 901a2c6861
commit a4683d5417
9 changed files with 144 additions and 19 deletions
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13
app/src/main/java/flashlight/simplemobiletools/com/MainActivity.java
View File

@@ -4,6 +4,7 @@ import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity implements MyCamera {
private ImageView toggleBtn;
@@ -20,7 +21,6 @@ public class MainActivity extends AppCompatActivity implements MyCamera {
private void setupCameraImpl() {
cameraImpl = new MyCameraImpl(this);
cameraImpl.setupCamera();
cameraImpl.toggleFlashlight();
}
@@ -60,11 +60,18 @@ public class MainActivity extends AppCompatActivity implements MyCamera {
@Override
public void enableFlashlight() {
toggleBtn.setBackground(getResources().getDrawable(R.mipmap.flashlight_big_on));
toggleBtn.setImageResource(R.mipmap.flashlight_big_on);
}
@Override
public void disableFlashlight() {
toggleBtn.setBackground(getResources().getDrawable(R.mipmap.flashlight_big_off));
toggleBtn.setImageResource(R.mipmap.flashlight_big_off);
}
@Override
public void cameraUnavailable() {
final String errorMsg = getResources().getString(R.string.camera_error);
Toast.makeText(this, errorMsg, Toast.LENGTH_SHORT).show();
disableFlashlight();
}
}

2
app/src/main/java/flashlight/simplemobiletools/com/MyCamera.java
View File

@@ -4,4 +4,6 @@ public interface MyCamera {
void enableFlashlight();
void disableFlashlight();
void cameraUnavailable();
}

34
app/src/main/java/flashlight/simplemobiletools/com/MyCameraImpl.java
View File

@@ -1,16 +1,20 @@
package flashlight.simplemobiletools.com;
import android.hardware.Camera;
public class MyCameraImpl {
private android.hardware.Camera camera;
private android.hardware.Camera.Parameters params;
private Camera camera;
private Camera.Parameters params;
private boolean isFlashlightOn;
private MyCamera callback;
public MyCameraImpl(MyCamera camera) {
callback = camera;
setupCamera();
}
public void toggleFlashlight() {
setupCamera();
isFlashlightOn = !isFlashlightOn;
if (isFlashlightOn) {
@@ -22,24 +26,34 @@ public class MyCameraImpl {
public void setupCamera() {
if (camera == null) {
camera = android.hardware.Camera.open();
params = camera.getParameters();
params.setFlashMode(android.hardware.Camera.Parameters.FLASH_MODE_OFF);
camera.setParameters(params);
try {
camera = Camera.open();
params = camera.getParameters();
params.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
camera.setParameters(params);
if (isFlashlightOn)
enableFlashlight();
if (isFlashlightOn)
enableFlashlight();
} catch (Exception e) {
callback.cameraUnavailable();
}
}
}
private void enableFlashlight() {
params.setFlashMode(android.hardware.Camera.Parameters.FLASH_MODE_TORCH);
if (camera == null || params == null)
return;
params.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
camera.setParameters(params);
callback.enableFlashlight();
}
private void disableFlashlight() {
params.setFlashMode(android.hardware.Camera.Parameters.FLASH_MODE_OFF);
if (camera == null || params == null)
return;
params.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
camera.setParameters(params);
callback.disableFlashlight();
}

81
app/src/main/java/flashlight/simplemobiletools/com/MyWidgetProvider.java Normal file
View File

@@ -0,0 +1,81 @@
package flashlight.simplemobiletools.com;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.widget.RemoteViews;
public class MyWidgetProvider extends AppWidgetProvider implements MyCamera {
private static MyCameraImpl cameraImpl;
private static RemoteViews remoteViews;
private static int[] widgetIds;
private static AppWidgetManager widgetManager;
private static final String TOGGLE = "toggle";
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
initVariables(context);
appWidgetManager.updateAppWidget(appWidgetIds, remoteViews);
}
private void initVariables(Context context) {
final ComponentName component = new ComponentName(context, MyWidgetProvider.class);
widgetManager = AppWidgetManager.getInstance(context);
widgetIds = widgetManager.getAppWidgetIds(component);
final Intent intent = new Intent(context, MyWidgetProvider.class);
intent.setAction(TOGGLE);
final PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, 0);
remoteViews = new RemoteViews(context.getPackageName(), R.layout.widget);
remoteViews.setOnClickPendingIntent(R.id.toggle_btn, pendingIntent);
cameraImpl = new MyCameraImpl(this);
}
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (action.equals(TOGGLE)) {
if (cameraImpl == null) {
initVariables(context);
}
cameraImpl.toggleFlashlight();
} else
super.onReceive(context, intent);
}
@Override
public void enableFlashlight() {
remoteViews.setImageViewResource(R.id.toggle_btn, R.mipmap.flashlight_big_on);
widgetManager.updateAppWidget(widgetIds, remoteViews);
}
@Override
public void disableFlashlight() {
remoteViews.setImageViewResource(R.id.toggle_btn, R.mipmap.flashlight_big_off);
widgetManager.updateAppWidget(widgetIds, remoteViews);
cameraImpl.releaseCamera();
}
@Override
public void cameraUnavailable() {
}
@Override
public void onDeleted(Context context, int[] appWidgetIds) {
super.onDeleted(context, appWidgetIds);
releaseCamera(context);
}
private void releaseCamera(Context context) {
if (cameraImpl == null)
initVariables(context);
disableFlashlight();
cameraImpl.releaseCamera();
}
}