动态申请权限

建议直接找框架,这个看看就行。说到底感觉封装后用起来还是不方便

public class PermissionHelper {
    private final int GET_PERMISSION_REQUEST = 100; //权限申请自定义码
    public static final int REQUEST_PERMISSION = 1234;
    private boolean hasAlwaysDenied = false;//是否彻底拒绝过
    private String[] Permissions;
    private PermissionInterface permissionInterface;

    public void setPermissionInterface(PermissionInterface permissionInterface) {
        this.permissionInterface = permissionInterface;
    }

    private Activity activity;

    public PermissionHelper(Activity activity) {
        this.activity = activity;
    }

    public void setPermissions(String[] pers, PermissionInterface permissionInterface) {
        Permissions = pers;
        this.permissionInterface = permissionInterface;
        checkPermission();
    }

    public void checkPermission() {
        ActivityCompat.requestPermissions(activity, Permissions, GET_PERMISSION_REQUEST);
    }

    public void dealRequestCode(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        if (requestCode == GET_PERMISSION_REQUEST) {
            boolean isGranted = true;
            hasAlwaysDenied = false;
            for (int i = 0; i < grantResults.length; i++) {
                if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {
                    isGranted = false;
                    if (!hasAlwaysDenied) {
                        if (!ActivityCompat.shouldShowRequestPermissionRationale(activity, Permissions[i])) {//true表示被拒绝的权限可以调起窗口
                            hasAlwaysDenied = true;
                            break;
                        }
                    }
                }
            }
            if (!isGranted) {
                showTipDialg();
            } else {
                if (permissionInterface != null) {
                    permissionInterface.PermissionSuc();
                }
                //"权限申请成功";
            }
        }
    }

    private AlertDialog tipDialog;

    private void showTipDialg() {
        if (tipDialog == null) {
            tipDialog = new AlertDialog.Builder(activity)
                    .setTitle("通知")
                    .setMessage("没有读写和手机设备权限无法使用微课堂,是否去设置?")
                    .setCancelable(false)
                    .setPositiveButton("去设置", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            if (hasAlwaysDenied) {//彻底拒绝,调到手机权限页面叫用户自己去开启权限
                                goPermissionSetting(activity);
                            } else {//重新再吊起一遍权限申请
                                checkPermission();
                            }
                            dialog.dismiss();
                        }
                    })
                    .setNegativeButton("拒绝", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            dialog.dismiss();
                            activity.finish();
                        }
                    }).create();
        }
        if (!tipDialog.isShowing()) {
            tipDialog.show();
        }
    }

    public interface PermissionInterface {
        void PermissionSuc();
    }

    // TODO: 2020/9/22 各机型调起跳转权限页面
    public void goPermissionSetting(Activity activity) {
        String deviceType = Build.MANUFACTURER.toLowerCase();//获取设备类型小写(例:xiaomi)
        if (deviceType.equals("xiaomi")) {
            activity.startActivityForResult(xiaomiApi(activity), REQUEST_PERMISSION);
        } else if (deviceType.equals("huawei")) {
            activity.startActivityForResult(huaweiApi(activity), REQUEST_PERMISSION);
        } else if (deviceType.equals("oppo")) {
            activity.startActivityForResult(oppoApi(activity), REQUEST_PERMISSION);
        } else if (deviceType.equals("meizu")) {
            activity.startActivityForResult(meizuApi(activity), REQUEST_PERMISSION);
        } else if (deviceType.equals("vivo")) {
            activity.startActivityForResult(vivoApi(activity), REQUEST_PERMISSION);
        } else if (deviceType.equals("samsung")) {
            activity.startActivityForResult(defaultApi(activity), REQUEST_PERMISSION);
        } else if (deviceType.equals("sony")) {
            goSonyManager(activity);
        } else if (deviceType.equals("lg")) {
            goLGManager(activity);
        } else if (deviceType.equals("letv")) {
            goLetvManager(activity);
        } else if (deviceType.equals("qiku") || deviceType.equals("360")) {
            go360Manager(activity);
        } else {
            activity.startActivityForResult(defaultApi(activity), REQUEST_PERMISSION);
        }
    }


    //    索尼
    private void goSonyManager(Context context) {
        try {
            Intent intent = new Intent(BuildConfig.APPLICATION_ID);
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            ComponentName comp = new ComponentName("com.sonymobile.cta", "com.sonymobile.cta.SomcCTAMainActivity");
            intent.setComponent(comp);
            context.startActivity(intent);
        } catch (Exception e) {
            goAppDetailSetting(context);
        }
    }

    //    LG
    private void goLGManager(Context context) {
        try {
            Intent intent = new Intent("android.intent.action.MAIN");
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            intent.putExtra("packageName", BuildConfig.APPLICATION_ID);
            ComponentName comp = new ComponentName("com.android.settings", "com.android.settings.Settings$AccessLockSummaryActivity");
            intent.setComponent(comp);
            context.startActivity(intent);
        } catch (Exception e) {
            goAppDetailSetting(context);
        }
    }

    //    乐视
    private void goLetvManager(Context context) {
        try {
            Intent intent = new Intent();
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            intent.putExtra("packageName", BuildConfig.APPLICATION_ID);
            ComponentName comp = new ComponentName("com.letv.android.letvsafe", "com.letv.android.letvsafe.PermissionAndApps");
            intent.setComponent(comp);
            context.startActivity(intent);
        } catch (Exception e) {
            goAppDetailSetting(context);
        }
    }

    //360只能打开到自带安全软件
    private void go360Manager(Context context) {
        try {
            Intent intent = new Intent("android.intent.action.MAIN");
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            intent.putExtra("packageName", BuildConfig.APPLICATION_ID);
            ComponentName comp = new ComponentName("com.qihoo360.mobilesafe", "com.qihoo360.mobilesafe.ui.index.AppEnterActivity");
            intent.setComponent(comp);
            context.startActivity(intent);
        } catch (Exception e) {
            goAppDetailSetting(context);
        }
    }

    private static String getSystemProperty(String key, String defaultValue) {
        try {
            Class<?> clz = Class.forName("android.os.SystemProperties");
            Method get = clz.getMethod("get", String.class, String.class);
            return (String) get.invoke(clz, key, defaultValue);
        } catch (Exception e) {
        }
        return defaultValue;
    }

    private static Intent defaultApi(Context context) {
        Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
        intent.setData(Uri.fromParts("package", context.getPackageName(), null));
        return intent;
    }

    private static boolean hasActivity(Context context, Intent intent) {
        PackageManager packageManager = context.getPackageManager();
        return packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY).size() > 0;
    }

    private static String getSystemProperty(String propName) {
        BufferedReader input = null;
        try {
            Process p = Runtime.getRuntime().exec("getprop " + propName);
            input = new BufferedReader(new InputStreamReader(p.getInputStream()), 1024);
            return input.readLine();
        } catch (IOException ex) {
            return "";
        } finally {
            if (input != null) {
                try {
                    input.close();
                } catch (IOException ignored) {
                }
            }
        }
    }

    private static Intent huaweiApi(Context context) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            return defaultApi(context);
        }
        Intent intent = new Intent();
        intent.setComponent(new ComponentName("com.huawei.systemmanager", "com.huawei.permissionmanager.ui.MainActivity"));
        return intent;
    }

    private static final String MIUI_VERSION_NAME = "ro.miui.ui.version.name";

    private static Intent xiaomiApi(Context context) {
        String version = getSystemProperty(MIUI_VERSION_NAME);
        if (TextUtils.isEmpty(version) || version.contains("7") || version.contains("8")) {
            Intent intent = new Intent("miui.intent.action.APP_PERM_EDITOR");
            intent.putExtra("extra_pkgname", context.getPackageName());
            return intent;
        }
        return defaultApi(context);
    }

    private static Intent vivoApi(Context context) {
        Intent intent = new Intent();
        intent.putExtra("packagename", context.getPackageName());
        intent.setComponent(new ComponentName("com.vivo.permissionmanager", "com.vivo.permissionmanager.activity.SoftPermissionDetailActivity"));
        if (hasActivity(context, intent)) return intent;

        intent.setComponent(new ComponentName("com.iqoo.secure", "com.iqoo.secure.safeguard.SoftPermissionDetailActivity"));
        return intent;
    }

    private static Intent oppoApi(Context context) {
        Intent intent = new Intent();
        intent.putExtra("packageName", context.getPackageName());
        intent.setComponent(new ComponentName("com.color.safecenter", "com.color.safecenter.permission.PermissionManagerActivity"));
        return intent;
    }

    private static Intent meizuApi(Context context) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
            return defaultApi(context);
        }
        Intent intent = new Intent("com.meizu.safe.security.SHOW_APPSEC");
        intent.putExtra("packageName", context.getPackageName());
        intent.setComponent(new ComponentName("com.meizu.safe", "com.meizu.safe.security.AppSecActivity"));
        return intent;
    }

    private void goAppDetailSetting(Context context) {
        Intent localIntent = new Intent();
        localIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        localIntent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS");
        localIntent.setData(Uri.fromParts("package", BuildConfig.APPLICATION_ID, null));
        try {
            context.startActivity(localIntent);
        } catch (Exception e) {
            Toast.makeText(context, e.getMessage() + "", Toast.LENGTH_SHORT).show();
            e.printStackTrace();
        }
    }
}

使用例子

private String[] Permissions = {
            Manifest.permission.WRITE_EXTERNAL_STORAGE,
            Manifest.permission.READ_PHONE_STATE
    };
    public void initPermission() {
        permissionHelper = new PermissionHelper(ShootActivity.this);
        permissionHelper.setPermissions(Permissions, new PermissionHelper.PermissionInterface() {
            @Override
            public void PermissionSuc() {
                LogUtil.i("权限申请成功");
            }
        });
    }
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        permissionHelper.dealRequestCode(requestCode, permissions, grantResults);
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == PermissionHelper.REQUEST_PERMISSION) {
            permissionHelper.checkPermission();
        }
    }
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