panqihua
5 years ago
parent
01e74fcc55
commit
7d6b1d47ac
@ -0,0 +1,52 @@ |
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package com.community.pocket.util; |
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import android.graphics.Bitmap; |
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import android.graphics.BitmapFactory; |
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import android.util.Log; |
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import androidx.lifecycle.MutableLiveData; |
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import org.jetbrains.annotations.NotNull; |
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import java.io.IOException; |
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import okhttp3.Call; |
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import okhttp3.Callback; |
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import okhttp3.Response; |
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import okhttp3.ResponseBody; |
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public class HttpFileResponse implements Callback { |
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private static final String header = "Content-Type"; |
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private final MutableLiveData<Bitmap> image; |
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public HttpFileResponse(MutableLiveData<Bitmap> image) { |
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this.image = image; |
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} |
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@Override |
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public void onFailure(@NotNull Call call, @NotNull IOException e) { |
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e.printStackTrace(); |
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Log.e(HttpJSONResponse.class.getName(), e.toString()); |
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} |
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@Override |
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public void onResponse(@NotNull Call call, @NotNull Response response) { |
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String contentType = response.header(header); |
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if ("image/png".equals(contentType)) { |
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ResponseBody responseBody = response.body(); |
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if (responseBody != null) { |
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Bitmap bitmap = BitmapFactory.decodeStream(responseBody.byteStream()); |
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image.postValue(bitmap); |
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} |
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} else { |
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onParseError(call, response, "接口不是响应图片数据，非法响应头" + header + "=" + contentType); |
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} |
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} |
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private void onParseError(@NotNull Call call, @NotNull Response response, String err) { |
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Log.e(HttpJSONResponse.class.getName(), err); |
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throw new RuntimeException(err); |
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} |
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} |
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@ -0,0 +1,139 @@ |
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package com.community.pocket.util; |
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import android.app.Activity; |
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import android.content.Intent; |
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import android.content.pm.PackageManager; |
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import android.net.Uri; |
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import android.os.Build; |
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import android.provider.Settings; |
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import androidx.annotation.NonNull; |
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import androidx.appcompat.app.AlertDialog; |
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import androidx.core.app.ActivityCompat; |
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import androidx.core.content.ContextCompat; |
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import com.community.pocket.R; |
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import java.util.ArrayList; |
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import java.util.List; |
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public class PermissionsUtils<T> { |
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private final int mRequestCode = 100;//权限请求码
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private PermissionsUtils() { |
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} |
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private static PermissionsUtils permissionsUtils; |
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private IPermissionsResult mPermissionsResult; |
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public static PermissionsUtils getInstance() { |
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if (permissionsUtils == null) { |
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permissionsUtils = new PermissionsUtils(); |
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} |
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return permissionsUtils; |
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} |
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public void checkPermissions(Activity context, String[] permissions, @NonNull IPermissionsResult permissionsResult) { |
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mPermissionsResult = permissionsResult; |
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if (Build.VERSION.SDK_INT < 23) {//6.0才用动态权限
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permissionsResult.passPermissons(); |
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return; |
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} |
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//创建一个mPermissionList，逐个判断哪些权限未授予，未授予的权限存储到mPerrrmissionList中
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List<String> mPermissionList = new ArrayList<>(); |
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//逐个判断你要的权限是否已经通过
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for (String permission : permissions) { |
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if (ContextCompat.checkSelfPermission(context, permission) != PackageManager.PERMISSION_GRANTED) { |
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mPermissionList.add(permission);//添加还未授予的权限
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} |
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} |
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//申请权限
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if (mPermissionList.size() > 0) {//有权限没有通过，需要申请
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ActivityCompat.requestPermissions(context, permissions, mRequestCode); |
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} else { |
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//说明权限都已经通过，可以做你想做的事情去
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permissionsResult.passPermissons(); |
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} |
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} |
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//请求权限后回调的方法
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//参数： requestCode 是我们自己定义的权限请求码
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//参数： permissions 是我们请求的权限名称数组
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//参数： grantResults 是我们在弹出页面后是否允许权限的标识数组，数组的长度对应的是权限名称数组的长度，数组的数据0表示允许权限，-1表示我们点击了禁止权限
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public void onRequestPermissionsResult(Activity context, int requestCode, @NonNull String[] permissions, |
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@NonNull int[] grantResults) { |
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boolean hasPermissionDismiss = false;//有权限没有通过
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if (mRequestCode == requestCode) { |
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for (int grantResult : grantResults) { |
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if (grantResult == -1) { |
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hasPermissionDismiss = true; |
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break; |
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} |
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} |
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//如果有权限没有被允许
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if (hasPermissionDismiss) { |
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if (context.getResources().getBoolean(R.bool.showSystemSetting)) { |
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showSystemPermissionsSettingDialog(context);//跳转到系统设置权限页面，或者直接关闭页面，不让他继续访问
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} else { |
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mPermissionsResult.forbitPermissons(); |
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} |
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} else { |
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//全部权限通过，可以进行下一步操作。。。
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mPermissionsResult.passPermissons(); |
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} |
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} |
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} |
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/** |
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* 不再提示权限时的展示对话框 |
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*/ |
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private AlertDialog mPermissionDialog; |
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private void showSystemPermissionsSettingDialog(final Activity context) { |
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final String mPackName = context.getPackageName(); |
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if (mPermissionDialog == null) { |
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mPermissionDialog = new AlertDialog.Builder(context) |
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.setMessage("已禁用权限，请手动授予") |
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.setPositiveButton("设置", (dialog, which) -> { |
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cancelPermissionDialog(); |
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Uri packageURI = Uri.parse("package:" + mPackName); |
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Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, packageURI); |
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context.startActivity(intent); |
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context.finish(); |
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}) |
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.setNegativeButton("取消", (dialog, which) -> { |
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//关闭页面或者做其他操作
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cancelPermissionDialog(); |
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//mContext.finish();
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mPermissionsResult.forbitPermissons(); |
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}) |
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.create(); |
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} |
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mPermissionDialog.show(); |
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} |
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//关闭对话框
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private void cancelPermissionDialog() { |
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if (mPermissionDialog != null) { |
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mPermissionDialog.cancel(); |
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mPermissionDialog = null; |
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} |
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} |
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public interface IPermissionsResult { |
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void passPermissons(); |
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void forbitPermissons(); |
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} |
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} |
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@ -0,0 +1,4 @@ |
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<?xml version="1.0" encoding="utf-8"?> |
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<resources> |
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<bool name="showSystemSetting">true</bool> |
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</resources> |
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