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platform_frameworks_base | BPM library

 by   aosp-mirror Java Version: Current License: Non-SPDX

 by   aosp-mirror Java Version: Current License: Non-SPDX

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kandi X-RAY | platform_frameworks_base Summary

platform_frameworks_base is a Java library typically used in Automation, BPM applications. platform_frameworks_base has no bugs, it has no vulnerabilities and it has medium support. However platform_frameworks_base build file is not available and it has a Non-SPDX License. You can download it from GitHub, GitLab.
platform_frameworks_base
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • platform_frameworks_base has a medium active ecosystem.
  • It has 9696 star(s) with 5979 fork(s). There are 909 watchers for this library.
  • It had no major release in the last 12 months.
  • platform_frameworks_base has no issues reported. There are no pull requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of platform_frameworks_base is current.
This Library - Support
Best in #BPM
Average in #BPM
This Library - Support
Best in #BPM
Average in #BPM

quality kandi Quality

  • platform_frameworks_base has no bugs reported.
This Library - Quality
Best in #BPM
Average in #BPM
This Library - Quality
Best in #BPM
Average in #BPM

securitySecurity

  • platform_frameworks_base has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
This Library - Security
Best in #BPM
Average in #BPM
This Library - Security
Best in #BPM
Average in #BPM

license License

  • platform_frameworks_base has a Non-SPDX License.
  • Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.
This Library - License
Best in #BPM
Average in #BPM
This Library - License
Best in #BPM
Average in #BPM

buildReuse

  • platform_frameworks_base releases are not available. You will need to build from source code and install.
  • platform_frameworks_base has no build file. You will be need to create the build yourself to build the component from source.
This Library - Reuse
Best in #BPM
Average in #BPM
This Library - Reuse
Best in #BPM
Average in #BPM
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platform_frameworks_base Key Features

Meaning of function call inside a struct in c++

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ResourceId();
ResourceId(const ResourceId& rhs);
ResourceId(uint32_t res_id);  // NOLINT(google-explicit-constructor)
ResourceId(uint8_t p, uint8_t t, uint16_t e);

Clone/download specific files from a GitHub repository

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apiurlbase='https://api.github.com/search/code?per_page=100&q=repo:aosp-mirror/platform_frameworks_base+extension:aidl'
dlurlbase='https://raw.githubusercontent.com/aosp-mirror/platform_frameworks_base/android-10.0.0_r47/'
apiurl1="$apiurlbase+path:/media/java/"
apiurl2="$apiurlbase+path:/location/java/"
for apiurl in "$apiurl1" "$apiurl2"; do
  page=1
  while paths=$(
    curl -s "$apiurl&page=$page" | grep '"path": ' | grep -o '[^"]\+\.aidl'
  ); do
    # do your stuff with the $paths
    page=$(($page + 1))
  done
done
for tag in 'android-10.0.0_r47' 'android-11.0.0_r33'; do
  git clone --branch "$tag" --depth=1 --bare --no-checkout \
    --filter=blob:limit=0 git@github.com:aosp-mirror/platform_frameworks_base.git
  # only a 1.8M download
  mv platform_frameworks_base.git "$tag"
  cd "$tag"
  paths=$(git ls-tree -r HEAD --name-only | grep '\.aidl$')
  # do your stuff with the paths
  cd ..
done
if [ -e platform_frameworks_base ]; then
  cd platform_frameworks_base
  git pull
else
  git clone git@github.com:aosp-mirror/platform_frameworks_base.git
  cd platform_frameworks_base
fi
tags=$(git tag | grep '^android')
for tag in $tags; do
  git checkout $tag
  paths=$(git ls-tree -r HEAD --name-only | grep '\.aidl$')
  # do your stuff with the paths
done
-----------------------
apiurlbase='https://api.github.com/search/code?per_page=100&q=repo:aosp-mirror/platform_frameworks_base+extension:aidl'
dlurlbase='https://raw.githubusercontent.com/aosp-mirror/platform_frameworks_base/android-10.0.0_r47/'
apiurl1="$apiurlbase+path:/media/java/"
apiurl2="$apiurlbase+path:/location/java/"
for apiurl in "$apiurl1" "$apiurl2"; do
  page=1
  while paths=$(
    curl -s "$apiurl&page=$page" | grep '"path": ' | grep -o '[^"]\+\.aidl'
  ); do
    # do your stuff with the $paths
    page=$(($page + 1))
  done
done
for tag in 'android-10.0.0_r47' 'android-11.0.0_r33'; do
  git clone --branch "$tag" --depth=1 --bare --no-checkout \
    --filter=blob:limit=0 git@github.com:aosp-mirror/platform_frameworks_base.git
  # only a 1.8M download
  mv platform_frameworks_base.git "$tag"
  cd "$tag"
  paths=$(git ls-tree -r HEAD --name-only | grep '\.aidl$')
  # do your stuff with the paths
  cd ..
done
if [ -e platform_frameworks_base ]; then
  cd platform_frameworks_base
  git pull
else
  git clone git@github.com:aosp-mirror/platform_frameworks_base.git
  cd platform_frameworks_base
fi
tags=$(git tag | grep '^android')
for tag in $tags; do
  git checkout $tag
  paths=$(git ls-tree -r HEAD --name-only | grep '\.aidl$')
  # do your stuff with the paths
done
-----------------------
apiurlbase='https://api.github.com/search/code?per_page=100&q=repo:aosp-mirror/platform_frameworks_base+extension:aidl'
dlurlbase='https://raw.githubusercontent.com/aosp-mirror/platform_frameworks_base/android-10.0.0_r47/'
apiurl1="$apiurlbase+path:/media/java/"
apiurl2="$apiurlbase+path:/location/java/"
for apiurl in "$apiurl1" "$apiurl2"; do
  page=1
  while paths=$(
    curl -s "$apiurl&page=$page" | grep '"path": ' | grep -o '[^"]\+\.aidl'
  ); do
    # do your stuff with the $paths
    page=$(($page + 1))
  done
done
for tag in 'android-10.0.0_r47' 'android-11.0.0_r33'; do
  git clone --branch "$tag" --depth=1 --bare --no-checkout \
    --filter=blob:limit=0 git@github.com:aosp-mirror/platform_frameworks_base.git
  # only a 1.8M download
  mv platform_frameworks_base.git "$tag"
  cd "$tag"
  paths=$(git ls-tree -r HEAD --name-only | grep '\.aidl$')
  # do your stuff with the paths
  cd ..
done
if [ -e platform_frameworks_base ]; then
  cd platform_frameworks_base
  git pull
else
  git clone git@github.com:aosp-mirror/platform_frameworks_base.git
  cd platform_frameworks_base
fi
tags=$(git tag | grep '^android')
for tag in $tags; do
  git checkout $tag
  paths=$(git ls-tree -r HEAD --name-only | grep '\.aidl$')
  # do your stuff with the paths
done
-----------------------
#!/usr/bin/env bash
  
get_github_file_list(){
    local user=$1 repo=$2 branch=$3
    curl -s "https://api.github.com/repos/$user/$repo/git/trees/$branch?recursive=1"
}

get_github_file_list aosp-mirror platform_frameworks_base android-11.0.0_r33 |\
    jq -r '.tree|map(.path|select(test("\\.aidl")))[]'
-----------------------
git clone --no-checkout --depth=1 --filter=blob:none \
        https://github.com/aosp-mirror/platform_frameworks_base
cd platform_frameworks_base
git reset -q -- \*.aidl
git checkout-index -a

How is platform/frameworks/base built? AOSP source

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// This "framework" module is NOT installed to the device. It's
// "framework-minus-apex" that gets installed to the device. Note that
// the filename is still framework.jar (via the stem property) for
// compatibility reason. The purpose of this module is to provide
// framework APIs (both public and private) for bundled apps.
// "framework-minus-apex" can't be used for the purpose because 1)
// many apps have already hardcoded the name "framework" and
// 2) it lacks API symbols from updatable modules - as it's clear from
// its suffix "-minus-apex".

What is the meaning of android:layout_height="?attr/actionBarSize"

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<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="actionBarSize">?android:attr/actionBarSize</item>
-----------------------
<item name="windowActionBar">false</item>
<item name="windowNoTitle">true</item>
<item name="actionBarSize">?android:attr/actionBarSize</item>

Android MediaStore API to trash an image

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if (!metadata.isTrashable()) {
showMessage(R.string.trashable_error);
return;}

DriveResource driveResource = metadata.getDriveId().asDriveResource();
Task<Void> toggleTrashTask;
if (metadata.isTrashed()) {
    toggleTrashTask = mDriveResourceClient.untrash(driveResource);
} else {
    toggleTrashTask = mDriveResourceClient.trash(driveResource);
}

android:foreground attribute / setForeground() method does not work with Button elements

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private void applySingleLine(boolean singleLine, boolean applyTransformation,
        boolean changeMaxLines) {
    mSingleLine = singleLine;
    if (singleLine) {
        setLines(1);
        setHorizontallyScrolling(true);
        if (applyTransformation) {
            setTransformationMethod(SingleLineTransformationMethod.getInstance());
        }
    } 
    ...
}
    private void updateMaxlinesLocally(int maxLines) {
    if (maxLines == 1) {
        Log.d("Button", "max lines was 1, setting to single line equivalent");
        setLines(1);
        setHorizontallyScrolling(true);

 setTransformationMethod(SingleLineTransformationMethod.getInstance());
        // reset any text that may have already been set
        setText(getText());
    } else {
        Log.d("Button", "max lines was  : " + maxLines);
    }
}
public class Button extends AppCompatButton {

public Button(Context context) {
    super(context);
    init(context, null, 0);
}

public Button(Context context, AttributeSet attrs) {
    super(context, attrs);
    init(context, attrs, 0);
}

public Button(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    init(context, attrs, defStyleAttr);
}

@Override
public void setMaxLines(int maxLines) {
    super.setMaxLines(maxLines);
    updateMaxlinesLocally(maxLines);
}

private void init(Context context, AttributeSet attributeSet, int defStyleAttr) {
    int[] set = {
            android.R.attr.maxLines
    };
    TypedArray a = context.obtainStyledAttributes(
            attributeSet, R.styleable.Button);
    int maxLines = a.getInt(R.styleable.Button_android_maxLines, -1);
    a.recycle();
    updateMaxlinesLocally(maxLines);
}

private void updateMaxlinesLocally(int maxLines) {
    if (maxLines == 1) {
        Log.d("Button", "max lines was 1, setting to single line equivalent");
        setLines(1);
        // The act of setting horizontally scrolling to true is what disables foregrounds from
        // showing...
//            setHorizontallyScrolling(true);
        setTransformationMethod(SingleLineTransformationMethod.getInstance());
        // reset any text that may have already been set
        setText(getText());
    } else {
        Log.d("Button", "max lines was  : " + maxLines);
    }
}
<declare-styleable name="Button">
    <attr name="android:maxLines" format="integer" />
</declare-styleable>
-----------------------
private void applySingleLine(boolean singleLine, boolean applyTransformation,
        boolean changeMaxLines) {
    mSingleLine = singleLine;
    if (singleLine) {
        setLines(1);
        setHorizontallyScrolling(true);
        if (applyTransformation) {
            setTransformationMethod(SingleLineTransformationMethod.getInstance());
        }
    } 
    ...
}
    private void updateMaxlinesLocally(int maxLines) {
    if (maxLines == 1) {
        Log.d("Button", "max lines was 1, setting to single line equivalent");
        setLines(1);
        setHorizontallyScrolling(true);

 setTransformationMethod(SingleLineTransformationMethod.getInstance());
        // reset any text that may have already been set
        setText(getText());
    } else {
        Log.d("Button", "max lines was  : " + maxLines);
    }
}
public class Button extends AppCompatButton {

public Button(Context context) {
    super(context);
    init(context, null, 0);
}

public Button(Context context, AttributeSet attrs) {
    super(context, attrs);
    init(context, attrs, 0);
}

public Button(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    init(context, attrs, defStyleAttr);
}

@Override
public void setMaxLines(int maxLines) {
    super.setMaxLines(maxLines);
    updateMaxlinesLocally(maxLines);
}

private void init(Context context, AttributeSet attributeSet, int defStyleAttr) {
    int[] set = {
            android.R.attr.maxLines
    };
    TypedArray a = context.obtainStyledAttributes(
            attributeSet, R.styleable.Button);
    int maxLines = a.getInt(R.styleable.Button_android_maxLines, -1);
    a.recycle();
    updateMaxlinesLocally(maxLines);
}

private void updateMaxlinesLocally(int maxLines) {
    if (maxLines == 1) {
        Log.d("Button", "max lines was 1, setting to single line equivalent");
        setLines(1);
        // The act of setting horizontally scrolling to true is what disables foregrounds from
        // showing...
//            setHorizontallyScrolling(true);
        setTransformationMethod(SingleLineTransformationMethod.getInstance());
        // reset any text that may have already been set
        setText(getText());
    } else {
        Log.d("Button", "max lines was  : " + maxLines);
    }
}
<declare-styleable name="Button">
    <attr name="android:maxLines" format="integer" />
</declare-styleable>
-----------------------
private void applySingleLine(boolean singleLine, boolean applyTransformation,
        boolean changeMaxLines) {
    mSingleLine = singleLine;
    if (singleLine) {
        setLines(1);
        setHorizontallyScrolling(true);
        if (applyTransformation) {
            setTransformationMethod(SingleLineTransformationMethod.getInstance());
        }
    } 
    ...
}
    private void updateMaxlinesLocally(int maxLines) {
    if (maxLines == 1) {
        Log.d("Button", "max lines was 1, setting to single line equivalent");
        setLines(1);
        setHorizontallyScrolling(true);

 setTransformationMethod(SingleLineTransformationMethod.getInstance());
        // reset any text that may have already been set
        setText(getText());
    } else {
        Log.d("Button", "max lines was  : " + maxLines);
    }
}
public class Button extends AppCompatButton {

public Button(Context context) {
    super(context);
    init(context, null, 0);
}

public Button(Context context, AttributeSet attrs) {
    super(context, attrs);
    init(context, attrs, 0);
}

public Button(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    init(context, attrs, defStyleAttr);
}

@Override
public void setMaxLines(int maxLines) {
    super.setMaxLines(maxLines);
    updateMaxlinesLocally(maxLines);
}

private void init(Context context, AttributeSet attributeSet, int defStyleAttr) {
    int[] set = {
            android.R.attr.maxLines
    };
    TypedArray a = context.obtainStyledAttributes(
            attributeSet, R.styleable.Button);
    int maxLines = a.getInt(R.styleable.Button_android_maxLines, -1);
    a.recycle();
    updateMaxlinesLocally(maxLines);
}

private void updateMaxlinesLocally(int maxLines) {
    if (maxLines == 1) {
        Log.d("Button", "max lines was 1, setting to single line equivalent");
        setLines(1);
        // The act of setting horizontally scrolling to true is what disables foregrounds from
        // showing...
//            setHorizontallyScrolling(true);
        setTransformationMethod(SingleLineTransformationMethod.getInstance());
        // reset any text that may have already been set
        setText(getText());
    } else {
        Log.d("Button", "max lines was  : " + maxLines);
    }
}
<declare-styleable name="Button">
    <attr name="android:maxLines" format="integer" />
</declare-styleable>
-----------------------
private void applySingleLine(boolean singleLine, boolean applyTransformation,
        boolean changeMaxLines) {
    mSingleLine = singleLine;
    if (singleLine) {
        setLines(1);
        setHorizontallyScrolling(true);
        if (applyTransformation) {
            setTransformationMethod(SingleLineTransformationMethod.getInstance());
        }
    } 
    ...
}
    private void updateMaxlinesLocally(int maxLines) {
    if (maxLines == 1) {
        Log.d("Button", "max lines was 1, setting to single line equivalent");
        setLines(1);
        setHorizontallyScrolling(true);

 setTransformationMethod(SingleLineTransformationMethod.getInstance());
        // reset any text that may have already been set
        setText(getText());
    } else {
        Log.d("Button", "max lines was  : " + maxLines);
    }
}
public class Button extends AppCompatButton {

public Button(Context context) {
    super(context);
    init(context, null, 0);
}

public Button(Context context, AttributeSet attrs) {
    super(context, attrs);
    init(context, attrs, 0);
}

public Button(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    init(context, attrs, defStyleAttr);
}

@Override
public void setMaxLines(int maxLines) {
    super.setMaxLines(maxLines);
    updateMaxlinesLocally(maxLines);
}

private void init(Context context, AttributeSet attributeSet, int defStyleAttr) {
    int[] set = {
            android.R.attr.maxLines
    };
    TypedArray a = context.obtainStyledAttributes(
            attributeSet, R.styleable.Button);
    int maxLines = a.getInt(R.styleable.Button_android_maxLines, -1);
    a.recycle();
    updateMaxlinesLocally(maxLines);
}

private void updateMaxlinesLocally(int maxLines) {
    if (maxLines == 1) {
        Log.d("Button", "max lines was 1, setting to single line equivalent");
        setLines(1);
        // The act of setting horizontally scrolling to true is what disables foregrounds from
        // showing...
//            setHorizontallyScrolling(true);
        setTransformationMethod(SingleLineTransformationMethod.getInstance());
        // reset any text that may have already been set
        setText(getText());
    } else {
        Log.d("Button", "max lines was  : " + maxLines);
    }
}
<declare-styleable name="Button">
    <attr name="android:maxLines" format="integer" />
</declare-styleable>

Compiling Kotlin file to Dex generates ClassNotFoundException (kotlin.jvm.internal.Intrinsics)

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$ kotlinc src/edu/ufrn/lapps/Test.kt -include-runtime -d TestKt.jar 
$ ~/sdk-patk/build-tools/29.0.1/d8 TestKt.jar --no-desugaring
$ zip TestKt.zip classes.dex
$ adb push TestKt.zip /sdcard/
$ adb shell
$ [on adb shell]: dalvikvm -cp /sdcard/TestKt.zip edu.ufrn.lapps.TestKt

How to use the built-in AlertDialog_listItemLayout

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ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(builder.getContext(),
                listItemLayoutId, items);

VpnService always-on "not supported by this app"

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<action android:name="android.net.VpnSerivce" />
<action android:name="android.net.VpnService" />
-----------------------
<action android:name="android.net.VpnSerivce" />
<action android:name="android.net.VpnService" />

What is an Android Binder "Transaction?"

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//Convert to byte array
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArr = stream.toByteArray();

Intent in1 = new Intent(this, Activity2.class);
in1.putExtra("image",byteArr);
byte[] byteArr = getIntent().getByteArrayExtra("image");
Bitmap bmp = BitmapFactory.decodeByteArray(byteArr, 0, byteArr.length);
private void writeToFile(String data,Context context) {
    try {
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(context.openFileOutput("filename.txt", Context.MODE_PRIVATE));
        outputStreamWriter.write(data);
        outputStreamWriter.close();
    }
    catch (IOException e) {
        Log.e("Exception", "File write failed: " + e.toString());
    } 
}
private String readFromFile(Context context) {

    String ret = "";

    try {
        InputStream inputStream = context.openFileInput("filename.txt");

        if ( inputStream != null ) {
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
            String receiveString = "";
            StringBuilder stringBuilder = new StringBuilder();

            while ( (receiveString = bufferedReader.readLine()) != null ) {
                stringBuilder.append(receiveString);
            }

            inputStream.close();
            ret = stringBuilder.toString();
        }
    }
    catch (FileNotFoundException e) {
        Log.e("login activity", "File not found: " + e.toString());
    } catch (IOException e) {
        Log.e("login activity", "Can not read file: " + e.toString());
    }

    return ret;
}
[YourObject] v = new [YourObject]();
Gson gson = new Gson();
String s = gson.toJson(v);

FileOutputStream outputStream;

try {
  outputStream = openFileOutput(filename, Context.MODE_PRIVATE);
  outputStream.write(s.getBytes());
  outputStream.close();
} catch (Exception e) {
  e.printStackTrace();
}
 FileInputStream fis = context.openFileInput("myfile.txt", Context.MODE_PRIVATE);
 InputStreamReader isr = new InputStreamReader(fis);
 BufferedReader bufferedReader = new BufferedReader(isr);
 StringBuilder sb = new StringBuilder();
 String line;
 while ((line = bufferedReader.readLine()) != null) {
     sb.append(line);
 }

 String json = sb.toString();
 Gson gson = new Gson();
 [YourObject] v = gson.fromJson(json, [YourObject].class);
-----------------------
//Convert to byte array
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArr = stream.toByteArray();

Intent in1 = new Intent(this, Activity2.class);
in1.putExtra("image",byteArr);
byte[] byteArr = getIntent().getByteArrayExtra("image");
Bitmap bmp = BitmapFactory.decodeByteArray(byteArr, 0, byteArr.length);
private void writeToFile(String data,Context context) {
    try {
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(context.openFileOutput("filename.txt", Context.MODE_PRIVATE));
        outputStreamWriter.write(data);
        outputStreamWriter.close();
    }
    catch (IOException e) {
        Log.e("Exception", "File write failed: " + e.toString());
    } 
}
private String readFromFile(Context context) {

    String ret = "";

    try {
        InputStream inputStream = context.openFileInput("filename.txt");

        if ( inputStream != null ) {
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
            String receiveString = "";
            StringBuilder stringBuilder = new StringBuilder();

            while ( (receiveString = bufferedReader.readLine()) != null ) {
                stringBuilder.append(receiveString);
            }

            inputStream.close();
            ret = stringBuilder.toString();
        }
    }
    catch (FileNotFoundException e) {
        Log.e("login activity", "File not found: " + e.toString());
    } catch (IOException e) {
        Log.e("login activity", "Can not read file: " + e.toString());
    }

    return ret;
}
[YourObject] v = new [YourObject]();
Gson gson = new Gson();
String s = gson.toJson(v);

FileOutputStream outputStream;

try {
  outputStream = openFileOutput(filename, Context.MODE_PRIVATE);
  outputStream.write(s.getBytes());
  outputStream.close();
} catch (Exception e) {
  e.printStackTrace();
}
 FileInputStream fis = context.openFileInput("myfile.txt", Context.MODE_PRIVATE);
 InputStreamReader isr = new InputStreamReader(fis);
 BufferedReader bufferedReader = new BufferedReader(isr);
 StringBuilder sb = new StringBuilder();
 String line;
 while ((line = bufferedReader.readLine()) != null) {
     sb.append(line);
 }

 String json = sb.toString();
 Gson gson = new Gson();
 [YourObject] v = gson.fromJson(json, [YourObject].class);
-----------------------
//Convert to byte array
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArr = stream.toByteArray();

Intent in1 = new Intent(this, Activity2.class);
in1.putExtra("image",byteArr);
byte[] byteArr = getIntent().getByteArrayExtra("image");
Bitmap bmp = BitmapFactory.decodeByteArray(byteArr, 0, byteArr.length);
private void writeToFile(String data,Context context) {
    try {
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(context.openFileOutput("filename.txt", Context.MODE_PRIVATE));
        outputStreamWriter.write(data);
        outputStreamWriter.close();
    }
    catch (IOException e) {
        Log.e("Exception", "File write failed: " + e.toString());
    } 
}
private String readFromFile(Context context) {

    String ret = "";

    try {
        InputStream inputStream = context.openFileInput("filename.txt");

        if ( inputStream != null ) {
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
            String receiveString = "";
            StringBuilder stringBuilder = new StringBuilder();

            while ( (receiveString = bufferedReader.readLine()) != null ) {
                stringBuilder.append(receiveString);
            }

            inputStream.close();
            ret = stringBuilder.toString();
        }
    }
    catch (FileNotFoundException e) {
        Log.e("login activity", "File not found: " + e.toString());
    } catch (IOException e) {
        Log.e("login activity", "Can not read file: " + e.toString());
    }

    return ret;
}
[YourObject] v = new [YourObject]();
Gson gson = new Gson();
String s = gson.toJson(v);

FileOutputStream outputStream;

try {
  outputStream = openFileOutput(filename, Context.MODE_PRIVATE);
  outputStream.write(s.getBytes());
  outputStream.close();
} catch (Exception e) {
  e.printStackTrace();
}
 FileInputStream fis = context.openFileInput("myfile.txt", Context.MODE_PRIVATE);
 InputStreamReader isr = new InputStreamReader(fis);
 BufferedReader bufferedReader = new BufferedReader(isr);
 StringBuilder sb = new StringBuilder();
 String line;
 while ((line = bufferedReader.readLine()) != null) {
     sb.append(line);
 }

 String json = sb.toString();
 Gson gson = new Gson();
 [YourObject] v = gson.fromJson(json, [YourObject].class);
-----------------------
//Convert to byte array
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArr = stream.toByteArray();

Intent in1 = new Intent(this, Activity2.class);
in1.putExtra("image",byteArr);
byte[] byteArr = getIntent().getByteArrayExtra("image");
Bitmap bmp = BitmapFactory.decodeByteArray(byteArr, 0, byteArr.length);
private void writeToFile(String data,Context context) {
    try {
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(context.openFileOutput("filename.txt", Context.MODE_PRIVATE));
        outputStreamWriter.write(data);
        outputStreamWriter.close();
    }
    catch (IOException e) {
        Log.e("Exception", "File write failed: " + e.toString());
    } 
}
private String readFromFile(Context context) {

    String ret = "";

    try {
        InputStream inputStream = context.openFileInput("filename.txt");

        if ( inputStream != null ) {
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
            String receiveString = "";
            StringBuilder stringBuilder = new StringBuilder();

            while ( (receiveString = bufferedReader.readLine()) != null ) {
                stringBuilder.append(receiveString);
            }

            inputStream.close();
            ret = stringBuilder.toString();
        }
    }
    catch (FileNotFoundException e) {
        Log.e("login activity", "File not found: " + e.toString());
    } catch (IOException e) {
        Log.e("login activity", "Can not read file: " + e.toString());
    }

    return ret;
}
[YourObject] v = new [YourObject]();
Gson gson = new Gson();
String s = gson.toJson(v);

FileOutputStream outputStream;

try {
  outputStream = openFileOutput(filename, Context.MODE_PRIVATE);
  outputStream.write(s.getBytes());
  outputStream.close();
} catch (Exception e) {
  e.printStackTrace();
}
 FileInputStream fis = context.openFileInput("myfile.txt", Context.MODE_PRIVATE);
 InputStreamReader isr = new InputStreamReader(fis);
 BufferedReader bufferedReader = new BufferedReader(isr);
 StringBuilder sb = new StringBuilder();
 String line;
 while ((line = bufferedReader.readLine()) != null) {
     sb.append(line);
 }

 String json = sb.toString();
 Gson gson = new Gson();
 [YourObject] v = gson.fromJson(json, [YourObject].class);
-----------------------
//Convert to byte array
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArr = stream.toByteArray();

Intent in1 = new Intent(this, Activity2.class);
in1.putExtra("image",byteArr);
byte[] byteArr = getIntent().getByteArrayExtra("image");
Bitmap bmp = BitmapFactory.decodeByteArray(byteArr, 0, byteArr.length);
private void writeToFile(String data,Context context) {
    try {
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(context.openFileOutput("filename.txt", Context.MODE_PRIVATE));
        outputStreamWriter.write(data);
        outputStreamWriter.close();
    }
    catch (IOException e) {
        Log.e("Exception", "File write failed: " + e.toString());
    } 
}
private String readFromFile(Context context) {

    String ret = "";

    try {
        InputStream inputStream = context.openFileInput("filename.txt");

        if ( inputStream != null ) {
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
            String receiveString = "";
            StringBuilder stringBuilder = new StringBuilder();

            while ( (receiveString = bufferedReader.readLine()) != null ) {
                stringBuilder.append(receiveString);
            }

            inputStream.close();
            ret = stringBuilder.toString();
        }
    }
    catch (FileNotFoundException e) {
        Log.e("login activity", "File not found: " + e.toString());
    } catch (IOException e) {
        Log.e("login activity", "Can not read file: " + e.toString());
    }

    return ret;
}
[YourObject] v = new [YourObject]();
Gson gson = new Gson();
String s = gson.toJson(v);

FileOutputStream outputStream;

try {
  outputStream = openFileOutput(filename, Context.MODE_PRIVATE);
  outputStream.write(s.getBytes());
  outputStream.close();
} catch (Exception e) {
  e.printStackTrace();
}
 FileInputStream fis = context.openFileInput("myfile.txt", Context.MODE_PRIVATE);
 InputStreamReader isr = new InputStreamReader(fis);
 BufferedReader bufferedReader = new BufferedReader(isr);
 StringBuilder sb = new StringBuilder();
 String line;
 while ((line = bufferedReader.readLine()) != null) {
     sb.append(line);
 }

 String json = sb.toString();
 Gson gson = new Gson();
 [YourObject] v = gson.fromJson(json, [YourObject].class);
-----------------------
//Convert to byte array
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bmp.compress(Bitmap.CompressFormat.PNG, 100, stream);
byte[] byteArr = stream.toByteArray();

Intent in1 = new Intent(this, Activity2.class);
in1.putExtra("image",byteArr);
byte[] byteArr = getIntent().getByteArrayExtra("image");
Bitmap bmp = BitmapFactory.decodeByteArray(byteArr, 0, byteArr.length);
private void writeToFile(String data,Context context) {
    try {
        OutputStreamWriter outputStreamWriter = new OutputStreamWriter(context.openFileOutput("filename.txt", Context.MODE_PRIVATE));
        outputStreamWriter.write(data);
        outputStreamWriter.close();
    }
    catch (IOException e) {
        Log.e("Exception", "File write failed: " + e.toString());
    } 
}
private String readFromFile(Context context) {

    String ret = "";

    try {
        InputStream inputStream = context.openFileInput("filename.txt");

        if ( inputStream != null ) {
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream);
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
            String receiveString = "";
            StringBuilder stringBuilder = new StringBuilder();

            while ( (receiveString = bufferedReader.readLine()) != null ) {
                stringBuilder.append(receiveString);
            }

            inputStream.close();
            ret = stringBuilder.toString();
        }
    }
    catch (FileNotFoundException e) {
        Log.e("login activity", "File not found: " + e.toString());
    } catch (IOException e) {
        Log.e("login activity", "Can not read file: " + e.toString());
    }

    return ret;
}
[YourObject] v = new [YourObject]();
Gson gson = new Gson();
String s = gson.toJson(v);

FileOutputStream outputStream;

try {
  outputStream = openFileOutput(filename, Context.MODE_PRIVATE);
  outputStream.write(s.getBytes());
  outputStream.close();
} catch (Exception e) {
  e.printStackTrace();
}
 FileInputStream fis = context.openFileInput("myfile.txt", Context.MODE_PRIVATE);
 InputStreamReader isr = new InputStreamReader(fis);
 BufferedReader bufferedReader = new BufferedReader(isr);
 StringBuilder sb = new StringBuilder();
 String line;
 while ((line = bufferedReader.readLine()) != null) {
     sb.append(line);
 }

 String json = sb.toString();
 Gson gson = new Gson();
 [YourObject] v = gson.fromJson(json, [YourObject].class);
-----------------------
override fun onStart() {
        super.onStart()
        myServiceConnection.bind()
    }

    override fun onStop() {
        super.onStop()
        myServiceConnection.unBind()
    }

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QUESTION

Meaning of function call inside a struct in c++

Asked 2021-May-04 at 10:59

I have come across structs that are defined seemingly with function calls inside, in some actual c++ code, that I need help to interpret. For example, in Resource.h from the AOSP, there is the following struct definition

/**
 * A binary identifier representing a resource. Internally it
 * is a 32bit integer split as follows:
 *
 * 0xPPTTEEEE
 *
 * PP: 8 bit package identifier. 0x01 is reserved for system
 *     and 0x7f is reserved for the running app.
 * TT: 8 bit type identifier. 0x00 is invalid.
 * EEEE: 16 bit entry identifier.
 */
struct ResourceId {
  uint32_t id;

  ResourceId();
  ResourceId(const ResourceId& rhs);
  ResourceId(uint32_t res_id);  // NOLINT(google-explicit-constructor)
  ResourceId(uint8_t p, uint8_t t, uint16_t e);

  // Returns true if the ID is a valid ID that is not dynamic (package ID cannot be 0)
  bool is_valid_static() const;

  // Returns true if the ID is a valid ID or dynamic ID (package ID can be 0).
  bool is_valid() const;

  uint8_t package_id() const;
  uint8_t type_id() const;
  uint16_t entry_id() const;

  std::string to_string() const;
};

I don't understand this part:

  ResourceId();
  ResourceId(const ResourceId& rhs);
  ResourceId(uint32_t res_id);  // NOLINT(google-explicit-constructor)
  ResourceId(uint8_t p, uint8_t t, uint16_t e);

Are these function calls? How can they be part of a struct definition? I found this SO post but am not sure if it is relevant/related.

ANSWER

Answered 2021-May-04 at 10:59

These lines are just constructors of struct ResourceId:

ResourceId();
ResourceId(const ResourceId& rhs);
ResourceId(uint32_t res_id);  // NOLINT(google-explicit-constructor)
ResourceId(uint8_t p, uint8_t t, uint16_t e);

Source https://stackoverflow.com/questions/67383418

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

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