power_profile: flashlight app

This app turns on the flashlight in torch mode. It will be used to measure
the power of the flashlight.

Test: run app and make sure the flashlight turns on

Change-Id: Ia3914b0ecbfebc5c3d02b2b303529537fae4a7f6

10 files changed, 465 insertions, 0 deletions

diff --git a/power_profile/camera_flashlight/Application/build.gradle b/power_profile/camera_flashlight/Application/build.gradle
new file mode 100644
index 00000000..686d13c9
--- /dev/null
+++ b/power_profile/camera_flashlight/Application/build.gradle
@@ -0,0 +1,56 @@
+buildscript {
+    repositories {
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.3.2'
+    }
+}
+
+apply plugin: 'com.android.application'
+
+repositories {
+    jcenter()
+}
+
+dependencies {
+    compile "com.android.support:support-v4:25.3.1"
+    compile "com.android.support:support-v13:25.3.1"
+    compile "com.android.support:cardview-v7:25.3.1"
+    compile "com.android.support:appcompat-v7:25.3.1"
+}
+
+// The sample build uses multiple directories to
+// keep boilerplate and common code separate from
+// the main sample code.
+List<String> dirs = [
+    'main',     // main sample code; look here for the interesting stuff.
+    'common',   // components that are reused by multiple samples
+    'template'] // boilerplate code that is generated by the sample template process
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "25.0.3"
+
+    defaultConfig {
+        minSdkVersion 23
+        targetSdkVersion 25
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
+
+    sourceSets {
+        main {
+            dirs.each { dir ->
+                java.srcDirs "src/${dir}/java"
+                res.srcDirs "src/${dir}/res"
+            }
+        }
+        androidTest.setRoot('tests')
+        androidTest.java.srcDirs = ['tests/src']
+    }
+}
diff --git a/power_profile/camera_flashlight/Application/src/main/AndroidManifest.xml b/power_profile/camera_flashlight/Application/src/main/AndroidManifest.xml
new file mode 100644
index 00000000..11b73c7b
--- /dev/null
+++ b/power_profile/camera_flashlight/Application/src/main/AndroidManifest.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 2014 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.android.powerprofile.cameraflashlight">
+
+    <application android:allowBackup="true"
+        android:label="@string/app_name">
+
+        <activity android:name=".FlashlightActivity"
+                  android:label="@string/app_name">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>
diff --git a/power_profile/camera_flashlight/Application/src/main/java/com/example/android/powerprofile/cameraflashlight/FlashlightActivity.java b/power_profile/camera_flashlight/Application/src/main/java/com/example/android/powerprofile/cameraflashlight/FlashlightActivity.java
new file mode 100644
index 00000000..f72471d1
--- /dev/null
+++ b/power_profile/camera_flashlight/Application/src/main/java/com/example/android/powerprofile/cameraflashlight/FlashlightActivity.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.example.android.powerprofile.cameraflashlight;
+
+import android.app.Activity;
+import android.content.Context;
+import android.hardware.camera2.CameraAccessException;
+import android.hardware.camera2.CameraCharacteristics;
+import android.hardware.camera2.CameraManager;
+import android.os.Bundle;
+
+public class FlashlightActivity extends Activity {
+
+    private CameraManager mCameraManager;
+    private String mCameraId;
+
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        try {
+            mCameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
+
+            for (String cameraId: mCameraManager.getCameraIdList()) {
+                Boolean flashAvailable = mCameraManager.getCameraCharacteristics(cameraId).
+                        get(CameraCharacteristics.FLASH_INFO_AVAILABLE);
+                if (flashAvailable != null && Boolean.TRUE.equals(flashAvailable)) {
+                    mCameraId = cameraId;
+                    break;
+                }
+            }
+        } catch (CameraAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        try {
+            if (mCameraId != null) {
+                mCameraManager.setTorchMode(mCameraId, true);
+            }
+        } catch (CameraAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+
+        try {
+            if (mCameraId != null) {
+                mCameraManager.setTorchMode(mCameraId, false);
+            }
+        } catch (CameraAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
+}
diff --git a/power_profile/camera_flashlight/Application/src/main/res/values/base-strings.xml b/power_profile/camera_flashlight/Application/src/main/res/values/base-strings.xml
new file mode 100644
index 00000000..55d20f73
--- /dev/null
+++ b/power_profile/camera_flashlight/Application/src/main/res/values/base-strings.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 2013 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
+<resources>
+    <string name="app_name">PowerProfileFlashlight</string>
+    <string name="intro_message">
+        <![CDATA[
+        
+            
+            This app is used to turn on the flashlight for power profile measurements.
+            
+        
+        ]]>
+    </string>
+</resources>
diff --git a/power_profile/camera_flashlight/build.gradle b/power_profile/camera_flashlight/build.gradle
new file mode 100644
index 00000000..584ba879
--- /dev/null
+++ b/power_profile/camera_flashlight/build.gradle
@@ -0,0 +1,10 @@
+
+
+
+
+
+
+
+
+
+
diff --git a/power_profile/camera_flashlight/gradle/wrapper/gradle-wrapper.jar b/power_profile/camera_flashlight/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 00000000..8c0fb64a
--- /dev/null
+++ b/power_profile/camera_flashlight/gradle/wrapper/gradle-wrapper.jar
diff --git a/power_profile/camera_flashlight/gradle/wrapper/gradle-wrapper.properties b/power_profile/camera_flashlight/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 00000000..4da4a580
--- /dev/null
+++ b/power_profile/camera_flashlight/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Wed Apr 10 15:27:10 PDT 2013
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.4.1-all.zip
\ No newline at end of file
diff --git a/power_profile/camera_flashlight/gradlew b/power_profile/camera_flashlight/gradlew
new file mode 100755
index 00000000..91a7e269
--- /dev/null
+++ b/power_profile/camera_flashlight/gradlew
@@ -0,0 +1,164 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# For Cygwin, ensure paths are in UNIX format before anything is touched.
+if $cygwin ; then
+    [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
+fi
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >&-
+APP_HOME="`pwd -P`"
+cd "$SAVED" >&-
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
diff --git a/power_profile/camera_flashlight/gradlew.bat b/power_profile/camera_flashlight/gradlew.bat
new file mode 100644
index 00000000..aec99730
--- /dev/null
+++ b/power_profile/camera_flashlight/gradlew.bat
@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off

+@rem ##########################################################################

+@rem

+@rem  Gradle startup script for Windows

+@rem

+@rem ##########################################################################

+

+@rem Set local scope for the variables with windows NT shell

+if "%OS%"=="Windows_NT" setlocal

+

+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.

+set DEFAULT_JVM_OPTS=

+

+set DIRNAME=%~dp0

+if "%DIRNAME%" == "" set DIRNAME=.

+set APP_BASE_NAME=%~n0

+set APP_HOME=%DIRNAME%

+

+@rem Find java.exe

+if defined JAVA_HOME goto findJavaFromJavaHome

+

+set JAVA_EXE=java.exe

+%JAVA_EXE% -version >NUL 2>&1

+if "%ERRORLEVEL%" == "0" goto init

+

+echo.

+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:findJavaFromJavaHome

+set JAVA_HOME=%JAVA_HOME:"=%

+set JAVA_EXE=%JAVA_HOME%/bin/java.exe

+

+if exist "%JAVA_EXE%" goto init

+

+echo.

+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%

+echo.

+echo Please set the JAVA_HOME variable in your environment to match the

+echo location of your Java installation.

+

+goto fail

+

+:init

+@rem Get command-line arguments, handling Windowz variants

+

+if not "%OS%" == "Windows_NT" goto win9xME_args

+if "%@eval[2+2]" == "4" goto 4NT_args

+

+:win9xME_args

+@rem Slurp the command line arguments.

+set CMD_LINE_ARGS=

+set _SKIP=2

+

+:win9xME_args_slurp

+if "x%~1" == "x" goto execute

+

+set CMD_LINE_ARGS=%*

+goto execute

+

+:4NT_args

+@rem Get arguments from the 4NT Shell from JP Software

+set CMD_LINE_ARGS=%$

+

+:execute

+@rem Setup the command line

+

+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar

+

+@rem Execute Gradle

+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%

+

+:end

+@rem End local scope for the variables with windows NT shell

+if "%ERRORLEVEL%"=="0" goto mainEnd

+

+:fail

+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of

+rem the _cmd.exe /c_ return code!

+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1

+exit /b 1

+

+:mainEnd

+if "%OS%"=="Windows_NT" endlocal

+

+:omega

diff --git a/power_profile/camera_flashlight/settings.gradle b/power_profile/camera_flashlight/settings.gradle
new file mode 100644
index 00000000..9464a359
--- /dev/null
+++ b/power_profile/camera_flashlight/settings.gradle
@@ -0,0 +1 @@
+include 'Application'