Android(安卓)动态权限封装

PermissionActivity

package com.example.appdemo;import android.content.Context;import android.content.DialogInterface;import android.content.Intent;import android.content.pm.PackageManager;import android.net.Uri;import android.os.Build;import android.support.annotation.NonNull;import android.support.v4.app.ActivityCompat;import android.support.v4.content.ContextCompat;import android.support.v7.app.AlertDialog;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;import java.util.List;public class  PermissionActivity extends AppCompatActivity  {    private OnPermissionListener permissionListener = null;       /**     * 权限的封装     *     *     */    public boolean hasPemsiom(String[] strings) {        if (Build.VERSION.SDK_INT <23) {            return true;        }        for (String string : strings) {            if (ContextCompat.checkSelfPermission(this, string) != PackageManager.PERMISSION_GRANTED) {                return false;            }else {                return true;            }        }        return true;    }    /**     * 请求权限     */    public void request(int code,OnPermissionListener onPermissionListener,String...strings){        if (strings == null || onPermissionListener == null) {            return;        }        this.permissionListener = onPermissionListener;        if (Build.VERSION.SDK_INT < 23 || strings.length == 0) {            onPermissionListener.onGranted();        }else {            if(hasPemsiom(strings)){                onPermissionListener.onGranted();            }else {                ActivityCompat.requestPermissions(this,strings,code);            }        }    }    @Override    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {        super.onRequestPermissionsResult(requestCode, permissions, grantResults);        if (requestCode != 1) {            return;        }        if (grantResults.length == 0) {            return;        }        int length = permissions.length;        //循环判断授权结果        for (int i = 0; i < length; i++) {            //授权成功            if (grantResults[i] == getPackageManager().PERMISSION_GRANTED) {                continue;            }            //用户勾选了"不再提醒"，会返回false,需引导用户手动开启权限            if (!ActivityCompat.shouldShowRequestPermissionRationale(this, permissions[i])) {                showReqPermissionDialog();            } else {                //request(1, permissionListener,permissions);                permissionListener.onDenied();            }            return;        }        permissionListener.onGranted();    }    /**     * 提示用户手动开启权限     */    private void showReqPermissionDialog() {        new AlertDialog.Builder(this)                .setMessage("需要开启权限才能使用此功能")                .setPositiveButton("设置", new DialogInterface.OnClickListener() {                    @Override                    public void onClick(DialogInterface dialog, int which) {                        dialog.cancel();                        goToAppInfo();                    }                })                .setNegativeButton("取消", new DialogInterface.OnClickListener() {                    @Override                    public void onClick(DialogInterface dialog, int i) {                        dialog.cancel();                       // permissionListener.onDenied();                    }                })                .create()                .show();    }    /**     * 跳转系统的App应用信息页面     */    protected void goToAppInfo() {        Intent localIntent = new Intent();        localIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);        localIntent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");        localIntent.setData(Uri.fromParts("package", getPackageName(), null));        startActivity(localIntent);    }}

测试类

package com.example.appdemo;import android.Manifest;import android.content.Intent;import android.net.Uri;import android.provider.MediaStore;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.LinearLayout;import android.widget.Toast;public class Main2Activity extends RoomActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        Button btnPic = new Button(this);        btnPic.setText("拍照");        Button btnCall = new Button(this);        btnCall.setText("打电话");        LinearLayout ll = new LinearLayout(this);        ll.setOrientation(LinearLayout.VERTICAL);        ll.addView(btnPic);        ll.addView(btnCall);        setContentView(ll);        btnPic.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                request(1, new OnPermissionListener() {                    @Override                    public void onGranted() {                        tackPic();                    }                    @Override                    public void onDenied() {                        Toast.makeText(Main2Activity.this, "请允许添加权限", Toast.LENGTH_SHORT).show();                    }                }, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.CAMERA});            }        });    }    private void tackPic() {        try {            Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);            startActivity(intent);        } catch (Exception e) {            e.printStackTrace();        }    }    private void call() {        try {            Intent intent = new Intent(Intent.ACTION_CALL);            Uri uri = Uri.parse("tel:" + "10010");            intent.setData(uri);            startActivity(intent);        } catch (SecurityException e) {            e.printStackTrace();        }    }}

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