apt-get install device-tree-compiler
add-apt-repository ppa:openjdk-r/ppa
apt-get update
apt-get install openjdk-8-jdk

在多个 JDK 版本中切换 JDK：
update-alternatives --config java
update-alternatives --config javac
update-alternatives --config javadoc

#!/bin/bash

####################################################################
# Warning:
# Ubuntu 12.04.2 introduced a new X stack that isn't compatible with
# with the old glx packages.

# ------------------------------------------------------------------
# 12.04                --> 12.04.2 (*-lts-quantal)
# ------------------------------------------------------------------
# libgl1-mesa-glx:i386 --> libgl1-mesa-glx-lts-quantal:i386
# libgl1-mesa-dev      --> libgl1-mesa-dev-lts-quantal
# ------------------------------------------------------------------
#
# DON'T install libgl1-mesa-glx:i386 on 12.04.2, else it will *BREAK*
# your system.
####################################################################

# Execute an action
FA_DoExec() {
	echo "==> Executing: '${@}'"
	eval $@ || exit $?
}

# Ubuntu 12.04.2 LTS
FA_DoExec apt-get install \
	git gnupg flex bison gperf build-essential \
	zip curl libc6-dev libncurses5-dev x11proto-core-dev \
	libx11-dev:i386 libreadline6-dev:i386 \
	libgl1-mesa-glx-lts-quantal:i386 libgl1-mesa-dev-lts-quantal \
	g++-multilib mingw32 tofrodos lib32ncurses5-dev \
	python-markdown libxml2-utils xsltproc zlib1g-dev:i386


if [ ! -h /usr/lib/i386-linux-gnu/libGL.so ]; then
	FA_DoExec ln -s /usr/lib/i386-linux-gnu/mesa/libGL.so.1 \
		/usr/lib/i386-linux-gnu/libGL.so
fi

# Development support
FA_DoExec apt-get install \
	vim dos2unix minicom gawk

mkdir android7.1
tar -xvf 4418-6818-android7.1-20200811.tar.gz

Remove TLSv1, TLSv1.1 from jdk.tls.disabledAlgorithms in /etc/java-8-openjdk/security/java.security file
Restart the jack server: cd /prebuilts/sdk/tools/ ./jack-admin kill-server ./jack-admin start-server

sudo add-apt-repository ppa:openjdk-r/ppa
Cannot add PPA: 'ppa:openjdk-r/ppa'.
Please check that the PPA name or format is correct.

vi /etc/fstab

.host:/WinData /mnt/hgfs1/ fuse.vmhgfs-fuse defaults,allow_other,uid=1000 0 0

.host:/hzz /mnt/hgfs/ fuse.vmhgfs-fuse defaults,allow_other,uid=1000 0 0

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout    xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/activity_main"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
 <ListView  android:id="@+id/listView"
                   android:layout_width="match_parent"
                   android:layout_height="match_parent"/>
</RelativeLayout>

public class MainActivity extends Activity {
ListView mListView;
MyAdapter mMyAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mListView = (ListView) findViewById(R.id.listView);
mMyAdapter = new MyAdapter(this);
mListView.setAdapter(mMyAdapter);
}}

public class MyAdapter extends BaseAdapter {
private Context mContext;
public MyAdapter(Context context) {
this.mContext = context;
}
@Override
public int getCount() {
return 20;
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
EditText editText;
if (convertView == null) {
editText = new EditText(mContext);
convertView = editText;
} else {
editText = (EditText) convertView;
}
System.out.println("current pos:" + position);
return convertView;
}}

#####android:descendantFocusability 属性有三个值：
beforeDescendants：viewgroup 会优先其子类控件而获取到焦点
afterDescendants：viewgroup 只有当其子类控件不需要获取焦点时才获取焦点
blocksDescendants：viewgroup 会覆盖子类控件而直接获得焦点

@Override
public View getView(int position, View convertView, ViewGroup parent) {
EditText editText;
if (convertView == null) {
convertView = LayoutInflater.from(mContext).inflate(R.layout.list_edittext, parent, false);
editText = (EditText) convertView.findViewById(R.id.editText);
convertView.setTag(editText);
} else {
editText = (EditText) convertView.getTag();
}
System.out.println("current pos:" + position);
return convertView;
}

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:descendantFocusability="beforeDescendants"
android:orientation="vertical">
<EditText android:id="@+id/editText"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</LinearLayout>

//新增一个数组用于保存 edittext 的内容
private SparseArray<String> mStringSparseArray;

@Override
public View getView(final int position, View convertView, ViewGroup parent) {
EditTextHolder editTextHolder;
if (convertView == null) {
convertView = LayoutInflater.from(mContext).inflate(R.layout.list_edittext, parent, false);

    editTextHolder = new EditTextHolder();
    editTextHolder.mEditText = (EditText) convertView.findViewById(R.id.editText);

    editTextHolder.mMyTextWatcher = new MyTextWatcher(position, mStringSparseArray);
    //给edittext设置watcher
    editTextHolder.mEditText.addTextChangedListener(editTextHolder.mMyTextWatcher);

    convertView.setTag(editTextHolder);

} else {
 editTextHolder = (EditTextHolder) convertView.getTag();
 //由于复用了 edittext，导致他的 watcher 里的 position 还是之前的 positiono，所以需要通知
//watcher 更新 positon，才能保存正确的 positon 的值
editTextHolder.updatePosition(position);
}
System.out.println(position);
editTextHolder.mEditText.setText(mStringSparseArray.get(position));
return convertView;
}
static class EditTextHolder {
EditText mEditText;
MyTextWatcher mMyTextWatcher;
public void updatePosition(int position) {
mMyTextWatcher.updatePosition(position);
}
}

static class MyTextWatcher implements TextWatcher {
private int position;
private SparseArray<String> sparseArray;
//更新 postion
public void updatePosition(int position) {
this.position = position;
}
public MyTextWatcher(int position, SparseArray<String> sparseArray) {
this.position = position;
this.sparseArray = sparseArray;
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) { }
@Override
public void afterTextChanged(Editable s) {
//保存 edittext 的值
sparseArray.put(position, s.toString());
}
}

mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
        Log.i(TAG, "onItemClick: ------");
    }
});

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:descendantFocusability="blocksDescendants"
    android:orientation="horizontal">

    <!--标题-->
    <TextView
        android:id="@+id/tv_title"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:singleLine="true"
        android:text="标题" />

    <!--删除按钮-->
    <Button
        android:id="@+id/bt_cancel"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="删除"/>

</LinearLayout>

beforeDescendants：viewgroup会优先其子类控件而获取到焦点
afterDescendants：viewgroup只有当其子类控件不需要获取焦点时才获取焦点
blocksDescendants：viewgroup会覆盖子类控件而直接获得焦点，也就是各有各的焦点

#!/bin/bash
rm "/Users/$(whoami)/Library/Application Support/Beyond Compare/registry.dat"
"`dirname "$0"`"/BCompare.real $@

chmod a+x /Applications/Beyond\ Compare.app/Contents/MacOS/BCompare