一对一视频源码，安卓实现grid可编辑导航栏

一对一视频源码，安卓实现grid可编辑导航栏实现的相关代码
GridLayout

```cpp
package com.coral3.common_module.components;

import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AlertDialog;
import com.coral3.common_module.R;
import com.coral3.common_module.adapter.GridAdapter;

public class GridLayout extends LinearLayout {

private Context mContext;
private GridView gridView;
private SharedPreferences sharedPreferences;
public SharedPreferences.Editor editor;
private String[] names = new String[]{
"lys",
"yls",
"syl",
"sly",
"ysl",
"lsy"
};
private int[] icons = new int[]{
R.mipmap.weixin,
R.mipmap.weixin,
R.mipmap.weixin,
R.mipmap.weixin,
R.mipmap.weixin,
R.mipmap.weixin
};

public GridLayout(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
mContext = context;
View view = LayoutInflater.from(context).inflate(R.layout.layout_grid_view, this);
initView();
}

public void initView(){
sharedPreferences = mContext.getSharedPreferences("pos1", Context.MODE_PRIVATE);
editor = sharedPreferences.edit();
gridView = findViewById(R.id.gv_grid_view);
GridAdapter gridAdapter = new GridAdapter(mContext, R.layout.layout_grid_item, icons, names, sharedPreferences);
gridView.setAdapter(gridAdapter);
gridView.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> adapterView, View view, int i, long l) {
EditText editText = new EditText(mContext);
TextView tv = view.findViewById(R.id.tv_grid_name);
editText.setText(tv.getText().toString());
new AlertDialog.Builder(mContext)
.setTitle("修改grid项目")
.setMessage("修改名称")
.setCancelable(false)
.setView(editText)
.setPositiveButton("ok", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
String v = editText.getText().toString();
if(!TextUtils.isEmpty(v)){
editor.putString("pos1", v).apply();
tv.setText(editText.getText().toString());
Toast.makeText(mContext, "设置成功", Toast.LENGTH_SHORT).show();
}
}
})
.setNegativeButton("cancel", null)
.show();
return true;
}
});
}
}
```

 

GridAdapter

```cpp
package com.coral3.common_module.adapter;

import android.content.Context;
import android.content.SharedPreferences;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.coral3.common_module.R;

public class GridAdapter extends BaseAdapter {

private Context context;
private int resource;
private int[] icons;
private String[] names;
private SharedPreferences sp;

public GridAdapter(Context context, int resource, int[] icons, String[] names, SharedPreferences sp){
this.context = context;
this.resource = resource;
this.icons = icons;
this.names = names;
this.sp = sp;
}

@Override
public int getCount() {
return names.length;
}

@Override
public Object getItem(int i) {
return names[i];
}

@Override
public long getItemId(int i) {
return i;
}

@Override
public View getView(int i, View view, ViewGroup viewGroup) {
viewHolder viewHolder;
if(view == null){
view = LayoutInflater.from(context).inflate(resource, viewGroup, false);
viewHolder = new viewHolder();
viewHolder.iv = view.findViewById(R.id.iv_grid_image);
viewHolder.tv = view.findViewById(R.id.tv_grid_name);
view.setTag(viewHolder);
}else{
viewHolder = (viewHolder)view.getTag();
}
viewHolder.iv.setImageResource(icons[i]);
viewHolder.tv.setText(names[i]);
if(i == 0){
String pos1 = sp.getString("pos1", null);
if(pos1 != null){
viewHolder.tv.setText(pos1);
}
}
return view;
}

class viewHolder{
ImageView iv;
TextView tv;
}
}
```

 

layout_grid_view.xml

```cpp
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<GridView
android:id="@+id/gv_grid_view"
android:layout_width="match_parent"
android:verticalSpacing="15dp"
android:numColumns="3"
android:layout_marginTop="10dp"
android:layout_height="wrap_content"/>
</LinearLayout>
```

 

layout_grid_item.xml

```cpp
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:orientation="vertical"
android:layout_height="match_parent">
<ImageView
android:id="@+id/iv_grid_image"
android:src="@mipmap/weixin"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<TextView
android:id="@+id/tv_grid_name"
android:layout_width="match_parent"
android:gravity="center"
android:text="例子"
android:layout_height="wrap_content"/>
</LinearLayout>
```

 

使用

```cpp
<com.coral3.common_module.components.GridLayout
android:id="@+id/gl_grid_nav"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
```

 

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