工具类直接上:
import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.content.Intent; import android.content.pm.PackageManager; import android.net.Uri; import android.provider.Settings; import android.support.annotation.NonNull; import android.support.v4.app.ActivityCompat; import android.support.v4.content.ContextCompat; /** * 权限获取工具类 */ public class PermissionsRequest { private static final int PERMISSION_REQUEST_CODE = 0; Activity activity; private boolean isRequireCheck = true; // 是否需要系统权限检测, 防止和系统提示框重叠 public PermissionsRequest(Activity activity) { this.activity = activity; } // 判断是否缺少权限 private boolean lacksPermissions(String... permissions) { for (String permission : permissions) { if (ContextCompat.checkSelfPermission(activity.getApplicationContext(), permission) == PackageManager.PERMISSION_DENIED) { return true; } } return false; } public void requestPermissions(String... permissions) { if (isRequireCheck) { if (lacksPermissions(permissions)) { // 请求权限兼容低版本 ActivityCompat.requestPermissions(activity, permissions, PERMISSION_REQUEST_CODE); } else { if (activity instanceof PermissionCallbacks) {// 全部权限都已获取 ((PermissionCallbacks) activity).onPermissionsGranted(); } } } else { isRequireCheck = true; } } /** * 用户权限处理, * 如果全部获取, 则直接过. * 如果权限缺失, 则提示Dialog. * * @param requestCode 请求码 * @param permissions 权限 * @param grantResults 结果 */ public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { if (requestCode == PERMISSION_REQUEST_CODE && hasAllPermissionsGranted(grantResults)) { isRequireCheck = true; if (activity instanceof PermissionCallbacks) { ((PermissionCallbacks) activity).onPermissionsGranted(); } } else { isRequireCheck = false; showMissingPermissionDialog(); } } // 含有全部的权限 private boolean hasAllPermissionsGranted(@NonNull int[] grantResults) { for (int grantResult : grantResults) { if (grantResult == PackageManager.PERMISSION_DENIED) { return false; } } return true; } // 显示缺失权限提示 private void showMissingPermissionDialog() { AlertDialog.Builder builder = new AlertDialog.Builder(activity); builder.setTitle(R.string.help); builder.setMessage(R.string.string_help_text); // 拒绝, 退出应用 builder.setNegativeButton(R.string.quit, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { if (activity instanceof PermissionCallbacks) { ((PermissionCallbacks) activity).onPermissionsDenied(); } } }); builder.setPositiveButton(R.string.settings, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { // 启动应用的设置 Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS); intent.setData(Uri.parse("package:" + activity.getPackageName())); activity.startActivity(intent); } }); builder.setCancelable(false); builder.show(); } public interface PermissionCallbacks { void onPermissionsGranted(); void onPermissionsDenied(); } }
使用:
import android.Manifest; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v7.app.AppCompatActivity; import com.dsy.baseapplication.PermissionsRequest; import com.dsy.baseapplication.R; public class SplashActivity extends AppCompatActivity implements PermissionsRequest.PermissionCallbacks { // 所需的全部权限 static final String[] PERMISSIONS = new String[]{ Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_PHONE_STATE, }; PermissionsRequest permissionsRequest; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_splash); permissionsRequest = new PermissionsRequest(this); } @Override protected void onResume() { super.onResume(); permissionsRequest.requestPermissions(PERMISSIONS); } @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); permissionsRequest.onRequestPermissionsResult(requestCode, permissions, grantResults); } @Override public void onPermissionsGranted() { //有权限 } @Override public void onPermissionsDenied() { //无权限 } }
Permission Group | Permissions |
---|---|
android.permission-group.CALENDAR |
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android.permission-group.CAMERA |
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android.permission-group.CONTACTS |
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android.permission-group.LOCATION |
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android.permission-group.MICROPHONE |
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android.permission-group.PHONE |
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android.permission-group.SENSORS |
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android.permission-group.SMS |
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android.permission-group.STORAGE |
|