先来看看效果。。
1.添加AddPermission的依赖
gitbub地址：https://github.com/yanzhenjie/AndPermission
implementation ‘com.yanzhenjie:permission:2.0.0-rc12’
推荐先看AddPermission的文档：http://www.yanzhenjie.com/AndPermission/cn/runtime/
2.基本使用
AndPermission.with(this)
.runtime()
.permission(Permission.WRITE_EXTERNAL_STORAGE)
.onGranted(new Action() {
@Override
public void onAction(List permissions) {
// TODO 权限同意
}
}).onDenied(new Action() {
@Override
public void onAction(List permissions) {
// TODO 权限拒绝
}
}).start();
被拒绝第一次后，第二次打开应用再次请求调用
public static Rationale<List<String>> mRationale = new Rationale<List<String>>() {
@Override
public void showRationale(Context context, List<String> data, RequestExecutor executor) {
showDialog(context, executor, permissions);
}
};
/*、
* Dialog，提示是否继续申请权限,继续 executor.execute();取消 executor.cancel();
* */
public static void showDialog(Context context, final RequestExecutor executor, List<String> permissions) {
/*把权限转化成文字*/
String permissionText = TextUtils.join(",\n", permissions);
final MyDialog dialog = new MyDialog(context,R.style.customDialog,R.layout.my_dialog,new int[]{R.id.dialog_cancel,R.id.dialog_sure});
dialog.setOnCenterItemClickListener(new MyDialog.OnCenterItemClickListener() {
@Override
public void setOnMyDialogClickListener(MyDialog dialog, View view) {
switch (view.getId()){
case R.id.dialog_cancel:
Log.d(TAG, "setOnMyDialogClickListener: 取消");
executor.cancel();
break;
case R.id.dialog_sure:
Log.d(TAG, "setOnMyDialogClickListener: 确定");
executor.execute();
break;
}
}
});
Log.d(TAG, "showDialog: ");
dialog.show();
dialog.setContentText("云图书馆想获取"+permissionText+"权限");
}
/*、
* 获取权限
* @param context
* @param permissions 权限组合，可以写多个权限
* */
public void requestPermission(final Context context,final String… permissions)
AndPermission.with(context)
.runtime()
.permission(permissions)
.rationale(mRationale)/权限被拒绝后再下一次启动后再次申请获取权限/
/权限同意/
.onGranted(new Action<List>() {
@Override
public void onAction(List data) {
}
})
/权限拒绝/
.onDenied(new Action<List>() {
@Override
public void onAction(List data) {
/权限总是被拒绝/ if(AndPermission.hasAlwaysDeniedPermission(context,permissions)) {
//可以在这里让进入系统设置权限
}
Toast.makeText(context, “权限拒绝”, Toast.LENGTH_SHORT).show();
}
}).start();
自定义的Dialog
package com.example.his.cloudlibaray.utils;
import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.view.Display;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.TextView;
import com.example.his.cloudlibaray.R;
public class MyDialog extends Dialog implements View.OnClickListener{
private Context mContext;
private int layoutRes;
private int[] listenedItem;
private TextView contentTv;
public MyDialog(@NonNull Context context, int themeResId, int layoutRes, int[] listenedItem) {
super(context, themeResId);
this.mContext = context;
this.layoutRes = layoutRes;
this.listenedItem = listenedItem;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Window win = getWindow();
win.setGravity(Gravity.CENTER);/*设置对话框居中*/
setContentView(layoutRes);
contentTv = findViewById(R.id.dialog_text);
WindowManager window = ((Activity) mContext).getWindowManager();
Display display = window.getDefaultDisplay();
WindowManager.LayoutParams lp = getWindow().getAttributes();
/*设置dialog宽度为屏幕的4/5*/
lp.width = display.getWidth() * 3 / 5;
getWindow().setAttributes(lp);
/*获取当前view，实现圆角*/
View view = getWindow().getDecorView();
ViewStyleSetter viewStyleSetter = new ViewStyleSetter(view);
viewStyleSetter.setRound(Utils.dip2px(mContext,10));
//遍历控件，添加点击监听事件
for (int id : listenedItem) {
TextView tv = (TextView)findViewById(id);
tv.setOnClickListener(this);
}
}
private OnCenterItemClickListener listener;
@Override
public void onClick(View v) {
dismiss();
listener.setOnMyDialogClickListener(this,v);
}
public interface OnCenterItemClickListener{
void setOnMyDialogClickListener(MyDialog dialog,View view);
}
public void setOnCenterItemClickListener(OnCenterItemClickListener listener){
this.listener = listener;
}
/*设置对话框的内容*/
public void setContentText(String text){
contentTv.setText(text);
}
/*
* 点击dialog外部消失*/
public void setCancelTouch(boolean cancel) {
setCanceledOnTouchOutside(cancel);
}
}
<?xml version="1.0" encoding="utf-8"?>对应的布局文件
<TextView
android:id="@+id/dialog_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="20dp"
android:layout_marginTop="20dp"
android:gravity="center"
android:text="需要写的信息"
android:textColor="@android:color/black"
android:textSize="13sp" />
<View
android:layout_width="match_parent"
android:layout_height="1px"
android:background="@color/title_bar"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="30dp"
android:orientation="horizontal">
<TextView
android:id="@+id/dialog_cancel"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:text="取消"
android:clickable="true"
android:background="@drawable/btn_back"
android:textColor="@color/light_blue_2"
android:textSize="15sp" />
<View
android:layout_height="match_parent"
android:layout_width ="1px"
android:background="@color/title_bar"/>
<TextView
android:id="@+id/dialog_sure"
android:layout_width="0dp"
android:clickable="true"
android:background="@drawable/btn_back"
android:layout_height="match_parent"
android:layout_weight="1"
android:gravity="center"
android:text="确定"
android:textColor="@color/light_blue_2"
android:textSize="15sp" />
</LinearLayout>
<color name="light_blue_2">#6c91c4</color>
<color name="title_bar">#9b9b9b</color>
实现圆角所需要的类在这里
https://www.cnblogs.com/Dionexin/p/5727297.html