Errors when compiling on eclipse

[yanki0]

Even having set the project for API 19 in Properties->Android, these are the errors I get:

Description Resource Path Location Type
R cannot be resolved to a variable AboutDialog.java /Bplux/src/ceu/marten/ui/dialogs line 33 Java Problem
R cannot be resolved to a variable AboutDialog.java /Bplux/src/ceu/marten/ui/dialogs line 31 Java Problem
R cannot be resolved to a variable AboutDialog.java /Bplux/src/ceu/marten/ui/dialogs line 34 Java Problem
R cannot be resolved to a variable DeviceConfiguration.java /Bplux/src/ceu/marten/model line 183 Java Problem
R cannot be resolved to a variable DeviceConfiguration.java /Bplux/src/ceu/marten/model line 184 Java Problem
R cannot be resolved to a variable AboutDialog.java /Bplux/src/ceu/marten/ui/dialogs line 30 Java Problem
R cannot be resolved to a variable AboutDialog.java /Bplux/src/ceu/marten/ui/dialogs line 29 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 513 Java Problem
R cannot be resolved to a variable ActiveChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 89 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 510 Java Problem
R cannot be resolved to a variable ActiveChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 85 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 521 Java Problem
R cannot be resolved to a variable ActiveChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 83 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 521 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 533 Java Problem
R cannot be resolved to a variable BiopluxService.java /Bplux/src/ceu/marten/services line 318 Java Problem
R cannot be resolved to a variable BiopluxService.java /Bplux/src/ceu/marten/services line 319 Java Problem
R cannot be resolved to a variable BiopluxService.java /Bplux/src/ceu/marten/services line 164 Java Problem
R cannot be resolved to a variable BiopluxService.java /Bplux/src/ceu/marten/services line 317 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 212 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 209 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 213 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 213 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 234 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 219 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 254 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 254 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 168 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 162 Java Problem
error: No resource identifier found for attribute 'paddingEnd' in package 'android' dialog_recording_name_content.xml /Bplux/res/layout-normal line 26 Android AAPT Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 188 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 171 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 190 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 189 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 208 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 207 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 385 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 383 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 421 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 403 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 461 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 441 Java Problem
Multi-catch parameters are not allowed for source level below 1.7 BitalinoAndroidDevice.java /Bplux/src/com/bitalino/deviceandroid line 88 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 496 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 461 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 298 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 297 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 302 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 299 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 309 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 303 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 371 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 365 Java Problem
R cannot be resolved to a variable DisplayChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 64 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 118 Java Problem
R cannot be resolved to a variable DisplayChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 65 Java Problem
R cannot be resolved to a variable DisplayChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 68 Java Problem
R cannot be resolved to a variable DisplayChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 88 Java Problem
R cannot be resolved to a variable DisplayChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 93 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 80 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 82 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 86 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 92 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 110 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 112 Java Problem
R cannot be resolved to a variable DisplayChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 58 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 114 Java Problem
R cannot be resolved to a variable DisplayChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 63 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 116 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 93 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 162 Java Problem
R cannot be resolved to a variable ConfigurationsActivity.java /Bplux/src/ceu/marten/ui line 131 Java Problem
R cannot be resolved to a variable DataManager.java /Bplux/src/ceu/marten/model/io line 149 Java Problem
R cannot be resolved to a variable DataManager.java /Bplux/src/ceu/marten/model/io line 148 Java Problem
R cannot be resolved to a variable DataManager.java /Bplux/src/ceu/marten/model/io line 147 Java Problem
R cannot be resolved to a variable DataManager.java /Bplux/src/ceu/marten/model/io line 146 Java Problem
R cannot be resolved to a variable DataManager.java /Bplux/src/ceu/marten/model/io line 145 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 51 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 73 Java Problem
R cannot be resolved to a variable DataManager.java /Bplux/src/ceu/marten/model/io line 150 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 76 Java Problem
R cannot be resolved to a variable DataManager.java /Bplux/src/ceu/marten/model/io line 149 Java Problem
R cannot be resolved to a variable Graph.java /Bplux/src/ceu/marten/ui line 78 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 39 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 40 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 41 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 51 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 35 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 36 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 37 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 38 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 31 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 34 Java Problem
R cannot be resolved to a variable ConfigurationsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 52 Java Problem
R cannot be resolved to a variable ActiveChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 49 Java Problem
R cannot be resolved to a variable ActiveChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 46 Java Problem
R cannot be resolved to a variable ActiveChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 72 Java Problem
R cannot be resolved to a variable ActiveChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 52 Java Problem
R cannot be resolved to a variable ActiveChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 51 Java Problem
R cannot be resolved to a variable ActiveChannelsListAdapter.java /Bplux/src/ceu/marten/ui/adapters line 50 Java Problem